| Owner | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| Troendle August J. | President & CEO | Jun 21, 2021 | Sale | $181.86 | 9,345 | 1,699,482 | 6,267,340 | Jun 23, 2021, 04:15 PM |
| Troendle August J. | President & CEO | Jun 22, 2021 | Sale | $182.31 | 12,133 | 2,211,967 | 6,255,207 | Jun 23, 2021, 04:15 PM |
| Medpace Investors, LLC | 10% Owner | Apr 26, 2021 | Sale | $193.38 | 20,729 | 4,008,574 | 6,319,992 | Apr 27, 2021, 04:24 PM |
| Medpace Investors, LLC | 10% Owner | Apr 23, 2021 | Sale | $190.51 | 7,805 | 1,486,931 | 6,340,721 | Apr 27, 2021, 04:24 PM |
| Troendle August J. | President & CEO | Apr 23, 2021 | Sale | $190.51 | 7,805 | 1,486,931 | 6,340,721 | Apr 27, 2021, 04:21 PM |
| Troendle August J. | President & CEO | Apr 26, 2021 | Sale | $193.38 | 20,729 | 4,008,574 | 6,319,992 | Apr 27, 2021, 04:21 PM |
| Medpace Investors, LLC | 10% Owner | Apr 22, 2021 | Sale | $188.64 | 14,377 | 2,712,077 | 6,348,526 | Apr 23, 2021, 04:22 PM |
| Medpace Investors, LLC | 10% Owner | Apr 21, 2021 | Sale | $187.02 | 15,687 | 2,933,783 | 6,362,903 | Apr 23, 2021, 04:22 PM |
| Medpace Investors, LLC | 10% Owner | Apr 19, 2021 | Sale | $180.90 | 8,471 | 1,532,404 | 6,396,213 | Apr 21, 2021, 04:10 PM |
| Medpace Investors, LLC | 10% Owner | Apr 20, 2021 | Sale | $182.44 | 17,623 | 3,215,140 | 6,378,590 | Apr 21, 2021, 04:10 PM |
| Medpace Investors, LLC | 10% Owner | Apr 16, 2021 | Sale | $180.30 | 17,528 | 3,160,298 | 6,404,684 | Apr 16, 2021, 07:28 PM |
| Medpace Investors, LLC | 10% Owner | Apr 15, 2021 | Sale | $186.65 | 31,270 | 5,836,545 | 6,422,212 | Apr 16, 2021, 07:28 PM |
| Medpace Investors, LLC | 10% Owner | Apr 14, 2021 | Sale | $180.48 | 3,720 | 671,386 | 6,453,482 | Apr 16, 2021, 07:28 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 15, 2021 | Option Exercise | $28.32 | 3,800 | 107,616 | 17,654 | Apr 16, 2021, 07:23 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 14, 2021 | Option Exercise | $28.32 | 1,200 | 33,984 | 15,054 | Apr 16, 2021, 07:23 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 15, 2021 | Sale | $185.18 | 3,800 | 703,684 | 13,854 | Apr 16, 2021, 07:23 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 14, 2021 | Sale | $180.67 | 1,200 | 216,804 | 13,854 | Apr 16, 2021, 07:23 PM |
| Troendle August J. | President & CEO | Apr 16, 2021 | Sale | $180.30 | 17,528 | 3,160,298 | 6,404,684 | Apr 16, 2021, 07:20 PM |
| Troendle August J. | President & CEO | Apr 15, 2021 | Sale | $186.65 | 31,270 | 5,836,545 | 6,422,212 | Apr 16, 2021, 07:20 PM |
| Troendle August J. | President & CEO | Apr 14, 2021 | Sale | $180.48 | 3,720 | 671,386 | 6,453,482 | Apr 16, 2021, 07:20 PM |
| BURWIG SUSAN E | Exec. VP, Operations | Mar 03, 2021 | Sale | $167.00 | 6,211 | 1,037,237 | 70,005 | Mar 05, 2021, 04:05 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Feb 10, 2021 | Option Exercise | $23.00 | 4,000 | 92,000 | 10,382 | Feb 11, 2021, 04:32 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Feb 10, 2021 | Sale | $160.00 | 4,000 | 640,000 | 6,382 | Feb 11, 2021, 04:32 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Feb 09, 2021 | Option Exercise | $90.65 | 10,000 | 906,500 | 23,854 | Feb 11, 2021, 04:29 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Feb 09, 2021 | Sale | $155.48 | 10,000 | 1,554,800 | 13,854 | Feb 11, 2021, 04:29 PM |
| Medpace Investors, LLC | 10% Owner | Jan 08, 2021 | Sale | $140.71 | 26,666 | 3,752,173 | 6,457,202 | Jan 11, 2021, 04:22 PM |
| Troendle August J. | President & CEO | Jan 08, 2021 | Sale | $140.71 | 26,666 | 3,752,173 | 6,457,202 | Jan 11, 2021, 04:20 PM |
| Medpace Investors, LLC | 10% Owner | Jan 07, 2021 | Sale | $140.06 | 93,552 | 13,102,893 | 6,483,868 | Jan 08, 2021, 04:06 PM |
| Medpace Investors, LLC | 10% Owner | Jan 06, 2021 | Sale | $140.06 | 91,667 | 12,838,880 | 6,577,420 | Jan 08, 2021, 04:06 PM |
| Troendle August J. | President & CEO | Jan 07, 2021 | Sale | $140.06 | 93,552 | 13,102,893 | 6,483,868 | Jan 08, 2021, 04:05 PM |
| Troendle August J. | President & CEO | Jan 06, 2021 | Sale | $140.06 | 91,667 | 12,838,880 | 6,577,420 | Jan 08, 2021, 04:05 PM |
| Medpace Investors, LLC | 10% Owner | Jan 06, 2021 | Option Exercise | $15.41 | 185,347 | 2,857,085 | 6,669,087 | Jan 07, 2021, 04:08 PM |
| Troendle August J. | President & CEO | Jan 06, 2021 | Option Exercise | $15.41 | 185,347 | 2,857,085 | 6,669,087 | Jan 07, 2021, 04:05 PM |
| Medpace Investors, LLC | 10% Owner | Jan 04, 2021 | Sale | $140.01 | 10,127 | 1,417,881 | 6,483,740 | Jan 06, 2021, 04:08 PM |
| Troendle August J. | President & CEO | Jan 04, 2021 | Sale | $140.01 | 10,127 | 1,417,881 | 6,483,740 | Jan 06, 2021, 04:06 PM |
| Troendle August J. | President & CEO | Dec 30, 2020 | Sale | $140.01 | 19,930 | 2,790,399 | 6,493,867 | Dec 31, 2020, 02:34 PM |
| Medpace Investors, LLC | 10% Owner | Dec 30, 2020 | Sale | $140.01 | 19,930 | 2,790,399 | 6,493,867 | Dec 31, 2020, 02:33 PM |
| Troendle August J. | President & CEO | Dec 23, 2020 | Option Exercise | $54.74 | 40,000 | 2,189,600 | 706,643 | Dec 29, 2020, 04:07 PM |
| Troendle August J. | President & CEO | Dec 28, 2020 | Sale | $140.00 | 1,374 | 192,360 | 6,513,797 | Dec 29, 2020, 04:07 PM |
| Troendle August J. | President & CEO | Dec 24, 2020 | Sale | $140.00 | 3,829 | 536,060 | 6,515,171 | Dec 29, 2020, 04:07 PM |
| Troendle August J. | President & CEO | Dec 23, 2020 | Sale | $140.11 | 3,547 | 496,970 | 6,519,000 | Dec 29, 2020, 04:07 PM |
| Medpace Investors, LLC | 10% Owner | Dec 28, 2020 | Sale | $140.00 | 1,374 | 192,360 | 6,513,797 | Dec 29, 2020, 04:06 PM |
| Medpace Investors, LLC | 10% Owner | Dec 24, 2020 | Sale | $140.00 | 3,829 | 536,060 | 6,515,171 | Dec 29, 2020, 04:06 PM |
| Medpace Investors, LLC | 10% Owner | Dec 23, 2020 | Sale | $140.11 | 3,547 | 496,970 | 6,519,000 | Dec 29, 2020, 04:06 PM |
| Troendle August J. | President & CEO | Dec 22, 2020 | Sale | $140.01 | 33,260 | 4,656,732 | 6,522,547 | Dec 23, 2020, 04:05 PM |
| Medpace Investors, LLC | 10% Owner | Dec 22, 2020 | Sale | $140.01 | 33,260 | 4,656,732 | 6,522,547 | Dec 23, 2020, 04:05 PM |
| Medpace Investors, LLC | 10% Owner | Dec 18, 2020 | Sale | $141.85 | 216,048 | 30,646,410 | 6,555,807 | Dec 18, 2020, 08:49 PM |
| Troendle August J. | President & CEO | Dec 18, 2020 | Sale | $141.85 | 216,048 | 30,646,410 | 6,555,807 | Dec 18, 2020, 08:45 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Dec 14, 2020 | Option Exercise | $23.00 | 4,200 | 96,600 | 10,582 | Dec 16, 2020, 04:11 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Dec 14, 2020 | Sale | $142.00 | 4,200 | 596,400 | 6,382 | Dec 16, 2020, 04:11 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Dec 10, 2020 | Option Exercise | $90.65 | 10,000 | 906,500 | 23,854 | Dec 14, 2020, 04:37 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Dec 10, 2020 | Sale | $140.07 | 10,000 | 1,400,700 | 13,854 | Dec 14, 2020, 04:37 PM |
| Medpace Investors, LLC | 10% Owner | Dec 01, 2020 | Sale | $130.86 | 14,000 | 1,832,040 | 6,771,855 | Dec 03, 2020, 04:22 PM |
| Troendle August J. | President & CEO | Dec 01, 2020 | Sale | $130.86 | 14,000 | 1,832,040 | 6,771,855 | Dec 03, 2020, 04:21 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Nov 06, 2020 | Option Exercise | $14.41 | 10,518 | 151,564 | 13,854 | Nov 10, 2020, 04:07 PM |
| BURWIG SUSAN E | Exec. VP, Operations | Nov 06, 2020 | Option Exercise | $14.41 | 17,037 | 245,503 | 76,216 | Nov 10, 2020, 04:06 PM |
| BURWIG SUSAN E | Exec. VP, Operations | Oct 08, 2020 | Option Exercise | $14.41 | 20,000 | 288,200 | 59,179 | Oct 13, 2020, 04:07 PM |
| Troendle August J. | President & CEO | Oct 06, 2020 | Option Exercise | $23.00 | 50,000 | 1,150,000 | 666,643 | Oct 07, 2020, 04:34 PM |
| Troendle August J. | President & CEO | Oct 05, 2020 | Option Exercise | $15.45 | 4,443 | 68,663 | 6,785,855 | Oct 07, 2020, 04:34 PM |
| Medpace Investors, LLC | 10% Owner | Oct 05, 2020 | Option Exercise | $15.45 | 4,443 | 68,663 | 6,785,855 | Oct 07, 2020, 04:33 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Sep 01, 2020 | Option Exercise | $23.00 | 3,110 | 71,530 | 9,492 | Sep 02, 2020, 04:07 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 31, 2020 | Option Exercise | $23.00 | 3,700 | 85,100 | 10,082 | Sep 02, 2020, 04:07 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 31, 2020 | Sale | $130.00 | 3,700 | 481,000 | 6,382 | Sep 02, 2020, 04:07 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Sep 01, 2020 | Sale | $130.00 | 3,110 | 404,300 | 6,382 | Sep 02, 2020, 04:07 PM |
| Medpace Investors, LLC | 10% Owner | Aug 26, 2020 | Sale | $123.53 | 13,889 | 1,715,708 | 6,792,800 | Aug 28, 2020, 04:11 PM |
| Medpace Investors, LLC | 10% Owner | Aug 27, 2020 | Sale | $121.94 | 2,034 | 248,026 | 6,790,766 | Aug 28, 2020, 04:11 PM |
| Troendle August J. | President & CEO | Aug 27, 2020 | Sale | $121.94 | 2,034 | 248,026 | 6,790,766 | Aug 28, 2020, 04:09 PM |
| Troendle August J. | President & CEO | Aug 26, 2020 | Sale | $123.53 | 13,889 | 1,715,708 | 6,792,800 | Aug 28, 2020, 04:09 PM |
| Troendle August J. | President & CEO | Aug 24, 2020 | Sale | $123.36 | 18,903 | 2,331,874 | 6,818,286 | Aug 26, 2020, 04:37 PM |
| Troendle August J. | President & CEO | Aug 25, 2020 | Sale | $123.23 | 11,597 | 1,429,098 | 6,806,689 | Aug 26, 2020, 04:37 PM |
| Medpace Investors, LLC | 10% Owner | Aug 25, 2020 | Sale | $123.23 | 11,597 | 1,429,098 | 6,806,689 | Aug 26, 2020, 04:36 PM |
| Medpace Investors, LLC | 10% Owner | Aug 24, 2020 | Sale | $123.36 | 18,903 | 2,331,874 | 6,818,286 | Aug 26, 2020, 04:36 PM |
| Troendle August J. | President & CEO | Aug 20, 2020 | Sale | $125.83 | 18,813 | 2,367,240 | 6,861,493 | Aug 24, 2020, 04:05 PM |
| Troendle August J. | President & CEO | Aug 21, 2020 | Sale | $124.37 | 24,304 | 3,022,689 | 6,837,189 | Aug 24, 2020, 04:05 PM |
| Medpace Investors, LLC | 10% Owner | Aug 21, 2020 | Sale | $124.37 | 24,304 | 3,022,689 | 6,837,189 | Aug 24, 2020, 04:05 PM |
| Medpace Investors, LLC | 10% Owner | Aug 20, 2020 | Sale | $125.83 | 18,813 | 2,367,240 | 6,861,493 | Aug 24, 2020, 04:05 PM |
| Medpace Investors, LLC | 10% Owner | Aug 18, 2020 | Sale | $127.26 | 16,589 | 2,111,116 | 6,901,920 | Aug 20, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Aug 19, 2020 | Sale | $127.63 | 21,614 | 2,758,595 | 6,880,306 | Aug 20, 2020, 04:12 PM |
| Troendle August J. | President & CEO | Aug 19, 2020 | Sale | $127.63 | 21,614 | 2,758,595 | 6,880,306 | Aug 20, 2020, 04:06 PM |
| Troendle August J. | President & CEO | Aug 18, 2020 | Sale | $127.26 | 16,589 | 2,111,116 | 6,901,920 | Aug 20, 2020, 04:06 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 17, 2020 | Option Exercise | $23.00 | 3,500 | 80,500 | 9,882 | Aug 19, 2020, 04:06 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 17, 2020 | Sale | $128.00 | 3,500 | 448,000 | 6,382 | Aug 19, 2020, 04:06 PM |
| Troendle August J. | President & CEO | Aug 17, 2020 | Sale | $128.18 | 16,485 | 2,113,047 | 6,918,509 | Aug 18, 2020, 04:47 PM |
| Troendle August J. | President & CEO | Aug 14, 2020 | Sale | $127.07 | 16,857 | 2,142,019 | 6,934,994 | Aug 18, 2020, 04:47 PM |
| Medpace Investors, LLC | 10% Owner | Aug 14, 2020 | Sale | $127.07 | 16,857 | 2,142,019 | 6,934,994 | Aug 18, 2020, 04:46 PM |
| Medpace Investors, LLC | 10% Owner | Aug 17, 2020 | Sale | $128.18 | 16,485 | 2,113,047 | 6,918,509 | Aug 18, 2020, 04:46 PM |
| Troendle August J. | President & CEO | Aug 13, 2020 | Sale | $127.87 | 16,671 | 2,131,721 | 6,951,851 | Aug 14, 2020, 04:58 PM |
| Troendle August J. | President & CEO | Aug 12, 2020 | Sale | $127.21 | 21,916 | 2,787,934 | 6,968,522 | Aug 14, 2020, 04:58 PM |
| Medpace Investors, LLC | 10% Owner | Aug 12, 2020 | Sale | $127.21 | 21,916 | 2,787,934 | 6,968,522 | Aug 14, 2020, 04:55 PM |
| Medpace Investors, LLC | 10% Owner | Aug 13, 2020 | Sale | $127.87 | 16,671 | 2,131,721 | 6,951,851 | Aug 14, 2020, 04:55 PM |
| Troendle August J. | President & CEO | Aug 11, 2020 | Sale | $125.30 | 38,642 | 4,841,843 | 6,990,438 | Aug 12, 2020, 04:23 PM |
| Troendle August J. | President & CEO | Aug 10, 2020 | Sale | $120.79 | 48,148 | 5,815,797 | 7,029,080 | Aug 12, 2020, 04:23 PM |
| Medpace Investors, LLC | 10% Owner | Aug 10, 2020 | Sale | $120.79 | 48,148 | 5,815,797 | 7,029,080 | Aug 12, 2020, 04:22 PM |
| Medpace Investors, LLC | 10% Owner | Aug 11, 2020 | Sale | $125.30 | 38,642 | 4,841,843 | 6,990,438 | Aug 12, 2020, 04:22 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Aug 10, 2020 | Option Exercise | $23.00 | 7,400 | 170,200 | 10,736 | Aug 12, 2020, 04:22 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Aug 10, 2020 | Sale | $121.57 | 7,400 | 899,618 | 3,336 | Aug 12, 2020, 04:22 PM |
| BURWIG SUSAN E | Exec. VP, Operations | Aug 06, 2020 | Sale | $126.00 | 7,000 | 882,000 | 39,179 | Aug 10, 2020, 04:11 PM |
| Troendle August J. | President & CEO | Aug 07, 2020 | Sale | $123.63 | 19,942 | 2,465,429 | 7,077,228 | Aug 10, 2020, 04:10 PM |
| Troendle August J. | President & CEO | Aug 06, 2020 | Sale | $122.43 | 15,033 | 1,840,490 | 7,097,170 | Aug 10, 2020, 04:10 PM |
| Medpace Investors, LLC | 10% Owner | Aug 07, 2020 | Sale | $123.63 | 19,942 | 2,465,429 | 7,077,228 | Aug 10, 2020, 04:09 PM |
| Medpace Investors, LLC | 10% Owner | Aug 06, 2020 | Sale | $122.43 | 15,033 | 1,840,490 | 7,097,170 | Aug 10, 2020, 04:09 PM |
| Troendle August J. | President & CEO | Aug 05, 2020 | Sale | $125.04 | 13,179 | 1,647,902 | 7,112,203 | Aug 06, 2020, 04:55 PM |
| Troendle August J. | President & CEO | Aug 04, 2020 | Sale | $124.43 | 45,488 | 5,660,072 | 7,125,382 | Aug 06, 2020, 04:55 PM |
| Medpace Investors, LLC | 10% Owner | Aug 05, 2020 | Sale | $125.04 | 13,179 | 1,647,902 | 7,112,203 | Aug 06, 2020, 04:54 PM |
| Medpace Investors, LLC | 10% Owner | Aug 04, 2020 | Sale | $124.43 | 45,488 | 5,660,072 | 7,125,382 | Aug 06, 2020, 04:54 PM |
| Medpace Investors, LLC | 10% Owner | Aug 03, 2020 | Sale | $124.13 | 27,005 | 3,352,131 | 7,170,870 | Aug 04, 2020, 04:13 PM |
| Medpace Investors, LLC | 10% Owner | Jul 31, 2020 | Sale | $118.17 | 39,622 | 4,682,132 | 7,197,875 | Aug 04, 2020, 04:13 PM |
| Troendle August J. | President & CEO | Aug 03, 2020 | Sale | $124.13 | 27,005 | 3,352,131 | 7,170,870 | Aug 04, 2020, 04:12 PM |
| Troendle August J. | President & CEO | Jul 31, 2020 | Sale | $118.17 | 39,622 | 4,682,132 | 7,197,875 | Aug 04, 2020, 04:12 PM |
| BURWIG SUSAN E | Exec. VP, Operations | Jul 30, 2020 | Sale | $121.14 | 6,000 | 726,840 | 46,179 | Aug 04, 2020, 03:17 PM |
| Medpace Investors, LLC | 10% Owner | Jul 30, 2020 | Sale | $120.79 | 42,955 | 5,188,534 | 7,237,497 | Jul 31, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Jul 29, 2020 | Sale | $123.99 | 47,106 | 5,840,673 | 7,280,452 | Jul 31, 2020, 04:12 PM |
| Troendle August J. | President & CEO | Jul 29, 2020 | Sale | $123.99 | 47,106 | 5,840,673 | 7,280,452 | Jul 31, 2020, 04:11 PM |
| Troendle August J. | President & CEO | Jul 30, 2020 | Sale | $120.79 | 42,955 | 5,188,534 | 7,237,497 | Jul 31, 2020, 04:11 PM |
| Troendle August J. | President & CEO | Jul 28, 2020 | Sale | $127.23 | 214,499 | 27,290,708 | 7,327,558 | Jul 29, 2020, 04:14 PM |
| Troendle August J. | President & CEO | Jul 27, 2020 | Sale | $110.43 | 29,019 | 3,204,568 | 7,542,057 | Jul 29, 2020, 04:14 PM |
| Medpace Investors, LLC | 10% Owner | Jul 27, 2020 | Sale | $110.43 | 29,019 | 3,204,568 | 7,542,057 | Jul 29, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Jul 28, 2020 | Sale | $127.23 | 214,499 | 27,290,708 | 7,327,558 | Jul 29, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Jul 24, 2020 | Sale | $106.13 | 34,380 | 3,648,749 | 7,571,076 | Jul 27, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Jul 23, 2020 | Sale | $111.83 | 31,743 | 3,549,820 | 7,605,456 | Jul 27, 2020, 04:12 PM |
| Troendle August J. | President & CEO | Jul 23, 2020 | Sale | $111.83 | 31,743 | 3,549,820 | 7,605,456 | Jul 27, 2020, 04:11 PM |
| Troendle August J. | President & CEO | Jul 24, 2020 | Sale | $106.13 | 34,380 | 3,648,749 | 7,571,076 | Jul 27, 2020, 04:11 PM |
| Troendle August J. | President & CEO | Jul 22, 2020 | Sale | $109.99 | 35,878 | 3,946,221 | 7,637,199 | Jul 23, 2020, 04:23 PM |
| Troendle August J. | President & CEO | Jul 21, 2020 | Sale | $106.78 | 28,090 | 2,999,450 | 7,673,077 | Jul 23, 2020, 04:23 PM |
| Medpace Investors, LLC | 10% Owner | Jul 21, 2020 | Sale | $106.78 | 28,090 | 2,999,450 | 7,673,077 | Jul 23, 2020, 04:20 PM |
| Medpace Investors, LLC | 10% Owner | Jul 22, 2020 | Sale | $109.99 | 35,878 | 3,946,221 | 7,637,199 | Jul 23, 2020, 04:20 PM |
| Troendle August J. | President & CEO | Jul 20, 2020 | Sale | $105.47 | 17,735 | 1,870,510 | 7,701,167 | Jul 21, 2020, 04:12 PM |
| Troendle August J. | President & CEO | Jul 17, 2020 | Sale | $105.32 | 19,309 | 2,033,624 | 7,718,902 | Jul 21, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Jul 17, 2020 | Sale | $105.32 | 19,309 | 2,033,624 | 7,718,902 | Jul 21, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Jul 20, 2020 | Sale | $105.47 | 17,735 | 1,870,510 | 7,701,167 | Jul 21, 2020, 04:12 PM |
| Troendle August J. | President & CEO | Jul 15, 2020 | Sale | $104.90 | 28,700 | 3,010,630 | 7,753,484 | Jul 17, 2020, 04:13 PM |
| Troendle August J. | President & CEO | Jul 16, 2020 | Sale | $103.70 | 15,273 | 1,583,810 | 7,738,211 | Jul 17, 2020, 04:13 PM |
| Medpace Investors, LLC | 10% Owner | Jul 16, 2020 | Sale | $103.70 | 15,273 | 1,583,810 | 7,738,211 | Jul 17, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Jul 15, 2020 | Sale | $104.90 | 28,700 | 3,010,630 | 7,753,484 | Jul 17, 2020, 04:12 PM |
| Medpace Investors, LLC | 10% Owner | Jul 13, 2020 | Sale | $100.50 | 6,127 | 615,764 | 7,782,184 | Jul 13, 2020, 04:56 PM |
| Medpace Investors, LLC | 10% Owner | Jul 09, 2020 | Sale | $100.15 | 2,455 | 245,868 | 7,788,311 | Jul 13, 2020, 04:56 PM |
| Troendle August J. | President & CEO | Jul 09, 2020 | Sale | $100.15 | 2,455 | 245,868 | 7,788,311 | Jul 13, 2020, 04:55 PM |
| Troendle August J. | President & CEO | Jul 13, 2020 | Sale | $100.50 | 6,127 | 615,764 | 7,782,184 | Jul 13, 2020, 04:55 PM |
| Troendle August J. | President & CEO | May 06, 2020 | Option Exercise | $14.41 | 3,518 | 50,694 | 7,790,766 | May 08, 2020, 04:54 PM |
| Medpace Investors, LLC | 10% Owner | May 06, 2020 | Option Exercise | $14.41 | 3,518 | 50,694 | 7,790,766 | May 08, 2020, 04:54 PM |
| Medpace Investors, LLC | 10% Owner | Jan 31, 2020 | Option Exercise | $14.61 | 26,664 | 389,530 | 7,787,248 | Feb 04, 2020, 04:12 PM |
| Troendle August J. | President & CEO | Jan 31, 2020 | Option Exercise | $14.61 | 26,664 | 389,530 | 7,787,248 | Feb 04, 2020, 04:11 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Dec 20, 2019 | Sale | $84.00 | 16,948 | 1,423,632 | 0 | Dec 23, 2019, 04:10 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Dec 19, 2019 | Sale | $82.00 | 14,400 | 1,180,800 | 16,948 | Dec 23, 2019, 04:10 PM |
| Troendle August J. | President & CEO | Nov 15, 2019 | Option Exercise | $15.34 | 1,073 | 16,455 | 7,760,584 | Nov 19, 2019, 04:17 PM |
| Medpace Investors, LLC | 10% Owner | Nov 15, 2019 | Option Exercise | $15.34 | 1,073 | 16,455 | 7,760,584 | Nov 19, 2019, 04:15 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Oct 18, 2019 | Sale | $77.30 | 8,000 | 618,400 | 0 | Oct 22, 2019, 04:11 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Oct 15, 2019 | Sale | $80.00 | 9,600 | 768,000 | 31,348 | Oct 16, 2019, 04:17 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Oct 14, 2019 | Sale | $78.03 | 7,200 | 561,816 | 40,948 | Oct 16, 2019, 04:17 PM |
| Troendle August J. | President & CEO | Sep 24, 2019 | Option Exercise | $14.81 | 8,386 | 124,156 | 7,759,511 | Sep 26, 2019, 04:24 PM |
| Medpace Investors, LLC | 10% Owner | Sep 24, 2019 | Option Exercise | $14.81 | 8,386 | 124,156 | 7,759,511 | Sep 26, 2019, 04:18 PM |
| Brown Bruce | Director | May 06, 2019 | Option Exercise | $58.31 | 8,987 | 524,032 | 9,295 | May 08, 2019, 04:38 PM |
| Brown Bruce | Director | May 06, 2019 | Option Exercise | $27.09 | 18,282 | 495,301 | 18,282 | May 08, 2019, 04:38 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 22, 2019 | Option Exercise | $14.41 | 8,000 | 115,280 | 8,000 | Apr 24, 2019, 04:17 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Apr 05, 2019 | Option Exercise | $14.41 | 48,148 | 693,813 | 48,148 | Apr 09, 2019, 04:10 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Mar 29, 2019 | Sale | $57.95 | 7,946 | 460,471 | 0 | Apr 02, 2019, 04:35 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Mar 29, 2019 | Sale | $58.20 | 12,000 | 698,400 | 25,037 | Apr 02, 2019, 04:28 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Apr 01, 2019 | Sale | $60.00 | 25,037 | 1,502,220 | 0 | Apr 02, 2019, 04:28 PM |
| Troendle August J. | President & CEO | Feb 04, 2019 | Sale | $66.54 | 18,920 | 1,258,937 | 7,751,125 | Feb 05, 2019, 04:28 PM |
| Troendle August J. | President & CEO | Feb 01, 2019 | Sale | $65.54 | 84,093 | 5,511,455 | 7,770,045 | Feb 05, 2019, 04:28 PM |
| Medpace Investors, LLC | 10% Owner | Feb 01, 2019 | Sale | $65.54 | 84,093 | 5,511,455 | 7,770,045 | Feb 05, 2019, 04:20 PM |
| Medpace Investors, LLC | 10% Owner | Feb 04, 2019 | Sale | $66.54 | 18,920 | 1,258,937 | 7,751,125 | Feb 05, 2019, 04:20 PM |
| Troendle August J. | President & CEO | Jan 31, 2019 | Sale | $64.19 | 68,383 | 4,389,505 | 7,854,138 | Jan 31, 2019, 04:54 PM |
| Troendle August J. | President & CEO | Jan 30, 2019 | Sale | $63.22 | 102,828 | 6,500,786 | 7,922,521 | Jan 31, 2019, 04:54 PM |
| Troendle August J. | President & CEO | Jan 29, 2019 | Sale | $61.05 | 1,100 | 67,155 | 8,025,349 | Jan 31, 2019, 04:54 PM |
| Medpace Investors, LLC | 10% Owner | Jan 31, 2019 | Sale | $64.19 | 68,383 | 4,389,505 | 7,854,138 | Jan 31, 2019, 04:52 PM |
| Medpace Investors, LLC | 10% Owner | Jan 30, 2019 | Sale | $63.22 | 102,828 | 6,500,786 | 7,922,521 | Jan 31, 2019, 04:52 PM |
| Medpace Investors, LLC | 10% Owner | Jan 29, 2019 | Sale | $61.05 | 1,100 | 67,155 | 8,025,349 | Jan 31, 2019, 04:52 PM |
| Troendle August J. | President & CEO | Jan 24, 2019 | Sale | $61.14 | 3,501 | 214,051 | 8,058,628 | Jan 28, 2019, 04:59 PM |
| Troendle August J. | President & CEO | Jan 28, 2019 | Sale | $61.04 | 4,221 | 257,650 | 8,026,449 | Jan 28, 2019, 04:59 PM |
| Troendle August J. | President & CEO | Jan 25, 2019 | Sale | $61.13 | 27,958 | 1,709,073 | 8,030,670 | Jan 28, 2019, 04:59 PM |
| Medpace Investors, LLC | 10% Owner | Jan 25, 2019 | Sale | $61.13 | 27,958 | 1,709,073 | 8,030,670 | Jan 28, 2019, 04:56 PM |
| Medpace Investors, LLC | 10% Owner | Jan 24, 2019 | Sale | $61.14 | 3,501 | 214,051 | 8,058,628 | Jan 28, 2019, 04:56 PM |
| Medpace Investors, LLC | 10% Owner | Jan 28, 2019 | Sale | $61.04 | 4,221 | 257,650 | 8,026,449 | Jan 28, 2019, 04:56 PM |
| Troendle August J. | President & CEO | Jan 17, 2019 | Sale | $61.17 | 8,760 | 535,849 | 8,134,543 | Jan 23, 2019, 04:52 PM |
| Troendle August J. | President & CEO | Jan 16, 2019 | Sale | $61.57 | 7,222 | 444,659 | 8,143,303 | Jan 23, 2019, 04:52 PM |
| Troendle August J. | President & CEO | Jan 15, 2019 | Sale | $61.00 | 600 | 36,600 | 8,150,525 | Jan 23, 2019, 04:52 PM |
| Troendle August J. | President & CEO | Jan 23, 2019 | Sale | $61.22 | 24,160 | 1,479,075 | 8,062,129 | Jan 23, 2019, 04:50 PM |
| Troendle August J. | President & CEO | Jan 22, 2019 | Sale | $61.10 | 9,936 | 607,090 | 8,086,289 | Jan 23, 2019, 04:50 PM |
| Troendle August J. | President & CEO | Jan 18, 2019 | Sale | $61.43 | 38,318 | 2,353,875 | 8,096,225 | Jan 23, 2019, 04:50 PM |
| Medpace Investors, LLC | 10% Owner | Jan 22, 2019 | Sale | $61.10 | 9,936 | 607,090 | 8,086,289 | Jan 23, 2019, 04:47 PM |
| Medpace Investors, LLC | 10% Owner | Jan 18, 2019 | Sale | $61.43 | 38,318 | 2,353,875 | 8,096,225 | Jan 23, 2019, 04:47 PM |
| Medpace Investors, LLC | 10% Owner | Jan 23, 2019 | Sale | $61.22 | 24,160 | 1,479,075 | 8,062,129 | Jan 23, 2019, 04:47 PM |
| Troendle August J. | President & CEO | Jan 15, 2019 | Sale | $61.00 | 600 | 36,600 | 8,150,525 | Jan 17, 2019, 04:42 PM |
| Troendle August J. | President & CEO | Jan 17, 2019 | Sale | $61.17 | 8,760 | 535,849 | 8,134,543 | Jan 17, 2019, 04:42 PM |
| Troendle August J. | President & CEO | Jan 16, 2019 | Sale | $61.57 | 7,222 | 444,659 | 8,143,303 | Jan 17, 2019, 04:42 PM |
| Medpace Investors, LLC | 10% Owner | Jan 17, 2019 | Sale | $61.17 | 8,760 | 535,849 | 8,134,543 | Jan 17, 2019, 04:41 PM |
| Medpace Investors, LLC | 10% Owner | Jan 16, 2019 | Sale | $61.57 | 7,222 | 444,659 | 8,143,303 | Jan 17, 2019, 04:41 PM |
| Medpace Investors, LLC | 10% Owner | Jan 15, 2019 | Sale | $61.00 | 600 | 36,600 | 8,150,525 | Jan 17, 2019, 04:41 PM |
| Troendle August J. | President & CEO | Sep 28, 2018 | Option Exercise | $59.91 | 744,385 | 44,596,105 | 8,151,125 | Oct 11, 2018, 04:35 PM |
| Medpace Investors, LLC | 10% Owner | Sep 28, 2018 | Option Exercise | $59.91 | 744,385 | 44,596,105 | 8,151,125 | Oct 11, 2018, 04:32 PM |
| Troendle August J. | President & CEO | Sep 28, 2018 | Option Exercise | $59.91 | 747,454 | 44,779,969 | 8,148,056 | Oct 02, 2018, 04:55 PM |
| Medpace Investors, LLC | 10% Owner | Sep 28, 2018 | Option Exercise | $59.91 | 747,454 | 44,779,969 | 8,148,056 | Oct 02, 2018, 04:52 PM |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Sep 28, 2018 | Option Exercise | $59.91 | 7,946 | 476,045 | 7,946 | Oct 01, 2018, 04:45 PM |
| BURWIG SUSAN E | Exec. VP, Operations | Sep 28, 2018 | Option Exercise | $59.91 | 25,185 | 1,508,833 | 44,396 | Oct 01, 2018, 04:44 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Sep 28, 2018 | Option Exercise | $59.91 | 37,037 | 2,218,887 | 37,037 | Oct 01, 2018, 04:41 PM |
| Troendle August J. | President & CEO | Sep 28, 2018 | Option Exercise | $59.91 | 251,851 | 15,088,393 | 603,702 | Oct 01, 2018, 04:38 PM |
| Troendle August J. | President & CEO | Sep 28, 2018 | Option Exercise | $59.91 | 748,459 | 44,840,179 | 8,147,051 | Oct 01, 2018, 04:38 PM |
| Medpace Investors, LLC | 10% Owner | Sep 28, 2018 | Option Exercise | $59.91 | 748,459 | 44,840,179 | 8,147,051 | Oct 01, 2018, 04:34 PM |
| Troendle August J. | President & CEO | Sep 25, 2018 | Sale | $58.36 | 38,640 | 2,255,030 | 8,989,174 | Sep 27, 2018, 04:56 PM |
| Troendle August J. | President & CEO | Sep 27, 2018 | Sale | $58.96 | 46,778 | 2,758,031 | 8,895,510 | Sep 27, 2018, 04:56 PM |
| Troendle August J. | President & CEO | Sep 26, 2018 | Sale | $58.38 | 46,886 | 2,737,205 | 8,942,288 | Sep 27, 2018, 04:56 PM |
| Medpace Investors, LLC | 10% Owner | Sep 27, 2018 | Sale | $58.96 | 46,778 | 2,758,031 | 8,895,510 | Sep 27, 2018, 04:54 PM |
| Medpace Investors, LLC | 10% Owner | Sep 26, 2018 | Sale | $58.38 | 46,886 | 2,737,205 | 8,942,288 | Sep 27, 2018, 04:54 PM |
| Medpace Investors, LLC | 10% Owner | Sep 25, 2018 | Sale | $58.36 | 38,640 | 2,255,030 | 8,989,174 | Sep 27, 2018, 04:54 PM |
| Troendle August J. | President & CEO | Sep 21, 2018 | Sale | $58.47 | 2,713 | 158,629 | 9,027,814 | Sep 24, 2018, 04:36 PM |
| Medpace Investors, LLC | 10% Owner | Sep 21, 2018 | Sale | $58.47 | 2,713 | 158,629 | 9,027,814 | Sep 24, 2018, 04:31 PM |
| Medpace Investors, LLC | 10% Owner | Sep 20, 2018 | Sale | $58.29 | 53,842 | 3,138,450 | 9,030,527 | Sep 21, 2018, 06:10 PM |
| Medpace Investors, LLC | 10% Owner | Sep 19, 2018 | Sale | $60.20 | 61,141 | 3,680,810 | 9,084,369 | Sep 21, 2018, 06:10 PM |
| Troendle August J. | President & CEO | Sep 20, 2018 | Sale | $58.29 | 53,842 | 3,138,450 | 9,030,527 | Sep 21, 2018, 06:05 PM |
| Troendle August J. | President & CEO | Sep 19, 2018 | Sale | $60.20 | 61,141 | 3,680,688 | 9,084,369 | Sep 21, 2018, 06:05 PM |
| Medpace Limited Partnership | 10% Owner | Aug 27, 2018 | Sale | $54.75 | 5,224,997 | 286,068,586 | 0 | Aug 27, 2018, 04:16 PM |
| Medpace Limited Partnership | 10% Owner | Aug 10, 2018 | Sale | $54.35 | 5,175,000 | 281,261,242 | 5,224,997 | Aug 10, 2018, 04:30 PM |
| Troendle August J. | President & CEO | Aug 07, 2018 | Sale | $57.06 | 138,105 | 7,880,271 | 351,851 | Aug 09, 2018, 04:55 PM |
| Troendle August J. | President & CEO | Aug 06, 2018 | Sale | $58.51 | 156,369 | 9,149,150 | 489,956 | Aug 06, 2018, 07:32 PM |
| Troendle August J. | President & CEO | Aug 03, 2018 | Sale | $59.94 | 203,296 | 12,185,562 | 646,325 | Aug 06, 2018, 07:32 PM |
| Troendle August J. | President & CEO | Aug 02, 2018 | Sale | $59.20 | 371,795 | 22,010,264 | 849,621 | Aug 06, 2018, 07:32 PM |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 02, 2018 | Sale | $60.15 | 7,407 | 445,531 | 0 | Aug 06, 2018, 07:29 PM |
| Medpace Limited Partnership | 10% Owner | Jun 14, 2018 | Sale | $41.80 | 3,000,000 | 125,399,998 | 10,399,997 | Jun 14, 2018, 04:15 PM |
| Medpace Limited Partnership | 10% Owner | May 07, 2018 | Sale | $35.49 | 3,000,000 | 106,470,005 | 13,399,997 | May 08, 2018, 04:30 PM |
| Medpace Limited Partnership | 10% Owner | Dec 05, 2017 | Sale | $30.16 | 4,600,000 | 138,741,983 | 16,399,997 | Dec 07, 2017, 04:05 PM |
| Medpace Limited Partnership | 10% Owner | Aug 22, 2017 | Sale | $30.27 | 2,000,000 | 60,540,001 | 20,999,997 | Aug 22, 2017, 05:28 PM |
| BUCKNELL PENELOPE J | VP, Human Resources | May 02, 2017 | Option Exercise | $14.41 | 3,000 | 43,230 | 3,000 | May 04, 2017, 05:46 PM |
| Troendle August J. | President & CEO | Aug 18, 2016 | Buy | $27.98 | 10,000 | 279,800 | 10,000 | Aug 19, 2016, 04:17 PM |
| BURWIG SUSAN E | Sr. Vice President, Operations | Aug 16, 2016 | Buy | $29.30 | 1,211 | 35,482 | 1,211 | Aug 18, 2016, 06:52 PM |
| BURWIG SUSAN E | Sr. Vice President, Operations | Aug 17, 2016 | Buy | $29.20 | 18,000 | 525,600 | 19,211 | Aug 18, 2016, 06:52 PM |
| Troendle August J. | President & CEO | Aug 16, 2016 | Buy | $23.00 | 869,565 | 19,999,995 | 1,221,416 | Aug 17, 2016, 04:23 PM |
| Owner | Relationship | Date | Transaction | Value($) |
| Troendle August J. | President & CEO | Jun 21, 2021 | Sale | 1,699,482 |
| Troendle August J. | President & CEO | Jun 22, 2021 | Sale | 2,211,967 |
| Medpace Investors, LLC | 10% Owner | Apr 26, 2021 | Sale | 4,008,574 |
| Medpace Investors, LLC | 10% Owner | Apr 23, 2021 | Sale | 1,486,931 |
| Troendle August J. | President & CEO | Apr 23, 2021 | Sale | 1,486,931 |
| Troendle August J. | President & CEO | Apr 26, 2021 | Sale | 4,008,574 |
| Medpace Investors, LLC | 10% Owner | Apr 22, 2021 | Sale | 2,712,077 |
| Medpace Investors, LLC | 10% Owner | Apr 21, 2021 | Sale | 2,933,783 |
| Medpace Investors, LLC | 10% Owner | Apr 19, 2021 | Sale | 1,532,404 |
| Medpace Investors, LLC | 10% Owner | Apr 20, 2021 | Sale | 3,215,140 |
| Medpace Investors, LLC | 10% Owner | Apr 16, 2021 | Sale | 3,160,298 |
| Medpace Investors, LLC | 10% Owner | Apr 15, 2021 | Sale | 5,836,545 |
| Medpace Investors, LLC | 10% Owner | Apr 14, 2021 | Sale | 671,386 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 15, 2021 | Option Exercise | 107,616 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 14, 2021 | Option Exercise | 33,984 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 15, 2021 | Sale | 703,684 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 14, 2021 | Sale | 216,804 |
| Troendle August J. | President & CEO | Apr 16, 2021 | Sale | 3,160,298 |
| Troendle August J. | President & CEO | Apr 15, 2021 | Sale | 5,836,545 |
| Troendle August J. | President & CEO | Apr 14, 2021 | Sale | 671,386 |
| BURWIG SUSAN E | Exec. VP, Operations | Mar 03, 2021 | Sale | 1,037,237 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Feb 10, 2021 | Option Exercise | 92,000 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Feb 10, 2021 | Sale | 640,000 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Feb 09, 2021 | Option Exercise | 906,500 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Feb 09, 2021 | Sale | 1,554,800 |
| Medpace Investors, LLC | 10% Owner | Jan 08, 2021 | Sale | 3,752,173 |
| Troendle August J. | President & CEO | Jan 08, 2021 | Sale | 3,752,173 |
| Medpace Investors, LLC | 10% Owner | Jan 07, 2021 | Sale | 13,102,893 |
| Medpace Investors, LLC | 10% Owner | Jan 06, 2021 | Sale | 12,838,880 |
| Troendle August J. | President & CEO | Jan 07, 2021 | Sale | 13,102,893 |
| Troendle August J. | President & CEO | Jan 06, 2021 | Sale | 12,838,880 |
| Medpace Investors, LLC | 10% Owner | Jan 06, 2021 | Option Exercise | 2,857,085 |
| Troendle August J. | President & CEO | Jan 06, 2021 | Option Exercise | 2,857,085 |
| Medpace Investors, LLC | 10% Owner | Jan 04, 2021 | Sale | 1,417,881 |
| Troendle August J. | President & CEO | Jan 04, 2021 | Sale | 1,417,881 |
| Troendle August J. | President & CEO | Dec 30, 2020 | Sale | 2,790,399 |
| Medpace Investors, LLC | 10% Owner | Dec 30, 2020 | Sale | 2,790,399 |
| Troendle August J. | President & CEO | Dec 23, 2020 | Option Exercise | 2,189,600 |
| Troendle August J. | President & CEO | Dec 28, 2020 | Sale | 192,360 |
| Troendle August J. | President & CEO | Dec 24, 2020 | Sale | 536,060 |
| Troendle August J. | President & CEO | Dec 23, 2020 | Sale | 496,970 |
| Medpace Investors, LLC | 10% Owner | Dec 28, 2020 | Sale | 192,360 |
| Medpace Investors, LLC | 10% Owner | Dec 24, 2020 | Sale | 536,060 |
| Medpace Investors, LLC | 10% Owner | Dec 23, 2020 | Sale | 496,970 |
| Troendle August J. | President & CEO | Dec 22, 2020 | Sale | 4,656,732 |
| Medpace Investors, LLC | 10% Owner | Dec 22, 2020 | Sale | 4,656,732 |
| Medpace Investors, LLC | 10% Owner | Dec 18, 2020 | Sale | 30,646,410 |
| Troendle August J. | President & CEO | Dec 18, 2020 | Sale | 30,646,410 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Dec 14, 2020 | Option Exercise | 96,600 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Dec 14, 2020 | Sale | 596,400 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Dec 10, 2020 | Option Exercise | 906,500 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Dec 10, 2020 | Sale | 1,400,700 |
| Medpace Investors, LLC | 10% Owner | Dec 01, 2020 | Sale | 1,832,040 |
| Troendle August J. | President & CEO | Dec 01, 2020 | Sale | 1,832,040 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Nov 06, 2020 | Option Exercise | 151,564 |
| BURWIG SUSAN E | Exec. VP, Operations | Nov 06, 2020 | Option Exercise | 245,503 |
| BURWIG SUSAN E | Exec. VP, Operations | Oct 08, 2020 | Option Exercise | 288,200 |
| Troendle August J. | President & CEO | Oct 06, 2020 | Option Exercise | 1,150,000 |
| Troendle August J. | President & CEO | Oct 05, 2020 | Option Exercise | 68,663 |
| Medpace Investors, LLC | 10% Owner | Oct 05, 2020 | Option Exercise | 68,663 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Sep 01, 2020 | Option Exercise | 71,530 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 31, 2020 | Option Exercise | 85,100 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 31, 2020 | Sale | 481,000 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Sep 01, 2020 | Sale | 404,300 |
| Medpace Investors, LLC | 10% Owner | Aug 26, 2020 | Sale | 1,715,708 |
| Medpace Investors, LLC | 10% Owner | Aug 27, 2020 | Sale | 248,026 |
| Troendle August J. | President & CEO | Aug 27, 2020 | Sale | 248,026 |
| Troendle August J. | President & CEO | Aug 26, 2020 | Sale | 1,715,708 |
| Troendle August J. | President & CEO | Aug 24, 2020 | Sale | 2,331,874 |
| Troendle August J. | President & CEO | Aug 25, 2020 | Sale | 1,429,098 |
| Medpace Investors, LLC | 10% Owner | Aug 25, 2020 | Sale | 1,429,098 |
| Medpace Investors, LLC | 10% Owner | Aug 24, 2020 | Sale | 2,331,874 |
| Troendle August J. | President & CEO | Aug 20, 2020 | Sale | 2,367,240 |
| Troendle August J. | President & CEO | Aug 21, 2020 | Sale | 3,022,689 |
| Medpace Investors, LLC | 10% Owner | Aug 21, 2020 | Sale | 3,022,689 |
| Medpace Investors, LLC | 10% Owner | Aug 20, 2020 | Sale | 2,367,240 |
| Medpace Investors, LLC | 10% Owner | Aug 18, 2020 | Sale | 2,111,116 |
| Medpace Investors, LLC | 10% Owner | Aug 19, 2020 | Sale | 2,758,595 |
| Troendle August J. | President & CEO | Aug 19, 2020 | Sale | 2,758,595 |
| Troendle August J. | President & CEO | Aug 18, 2020 | Sale | 2,111,116 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 17, 2020 | Option Exercise | 80,500 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 17, 2020 | Sale | 448,000 |
| Troendle August J. | President & CEO | Aug 17, 2020 | Sale | 2,113,047 |
| Troendle August J. | President & CEO | Aug 14, 2020 | Sale | 2,142,019 |
| Medpace Investors, LLC | 10% Owner | Aug 14, 2020 | Sale | 2,142,019 |
| Medpace Investors, LLC | 10% Owner | Aug 17, 2020 | Sale | 2,113,047 |
| Troendle August J. | President & CEO | Aug 13, 2020 | Sale | 2,131,721 |
| Troendle August J. | President & CEO | Aug 12, 2020 | Sale | 2,787,934 |
| Medpace Investors, LLC | 10% Owner | Aug 12, 2020 | Sale | 2,787,934 |
| Medpace Investors, LLC | 10% Owner | Aug 13, 2020 | Sale | 2,131,721 |
| Troendle August J. | President & CEO | Aug 11, 2020 | Sale | 4,841,843 |
| Troendle August J. | President & CEO | Aug 10, 2020 | Sale | 5,815,797 |
| Medpace Investors, LLC | 10% Owner | Aug 10, 2020 | Sale | 5,815,797 |
| Medpace Investors, LLC | 10% Owner | Aug 11, 2020 | Sale | 4,841,843 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Aug 10, 2020 | Option Exercise | 170,200 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Aug 10, 2020 | Sale | 899,618 |
| BURWIG SUSAN E | Exec. VP, Operations | Aug 06, 2020 | Sale | 882,000 |
| Troendle August J. | President & CEO | Aug 07, 2020 | Sale | 2,465,429 |
| Troendle August J. | President & CEO | Aug 06, 2020 | Sale | 1,840,490 |
| Medpace Investors, LLC | 10% Owner | Aug 07, 2020 | Sale | 2,465,429 |
| Medpace Investors, LLC | 10% Owner | Aug 06, 2020 | Sale | 1,840,490 |
| Troendle August J. | President & CEO | Aug 05, 2020 | Sale | 1,647,902 |
| Troendle August J. | President & CEO | Aug 04, 2020 | Sale | 5,660,072 |
| Medpace Investors, LLC | 10% Owner | Aug 05, 2020 | Sale | 1,647,902 |
| Medpace Investors, LLC | 10% Owner | Aug 04, 2020 | Sale | 5,660,072 |
| Medpace Investors, LLC | 10% Owner | Aug 03, 2020 | Sale | 3,352,131 |
| Medpace Investors, LLC | 10% Owner | Jul 31, 2020 | Sale | 4,682,132 |
| Troendle August J. | President & CEO | Aug 03, 2020 | Sale | 3,352,131 |
| Troendle August J. | President & CEO | Jul 31, 2020 | Sale | 4,682,132 |
| BURWIG SUSAN E | Exec. VP, Operations | Jul 30, 2020 | Sale | 726,840 |
| Medpace Investors, LLC | 10% Owner | Jul 30, 2020 | Sale | 5,188,534 |
| Medpace Investors, LLC | 10% Owner | Jul 29, 2020 | Sale | 5,840,673 |
| Troendle August J. | President & CEO | Jul 29, 2020 | Sale | 5,840,673 |
| Troendle August J. | President & CEO | Jul 30, 2020 | Sale | 5,188,534 |
| Troendle August J. | President & CEO | Jul 28, 2020 | Sale | 27,290,708 |
| Troendle August J. | President & CEO | Jul 27, 2020 | Sale | 3,204,568 |
| Medpace Investors, LLC | 10% Owner | Jul 27, 2020 | Sale | 3,204,568 |
| Medpace Investors, LLC | 10% Owner | Jul 28, 2020 | Sale | 27,290,708 |
| Medpace Investors, LLC | 10% Owner | Jul 24, 2020 | Sale | 3,648,749 |
| Medpace Investors, LLC | 10% Owner | Jul 23, 2020 | Sale | 3,549,820 |
| Troendle August J. | President & CEO | Jul 23, 2020 | Sale | 3,549,820 |
| Troendle August J. | President & CEO | Jul 24, 2020 | Sale | 3,648,749 |
| Troendle August J. | President & CEO | Jul 22, 2020 | Sale | 3,946,221 |
| Troendle August J. | President & CEO | Jul 21, 2020 | Sale | 2,999,450 |
| Medpace Investors, LLC | 10% Owner | Jul 21, 2020 | Sale | 2,999,450 |
| Medpace Investors, LLC | 10% Owner | Jul 22, 2020 | Sale | 3,946,221 |
| Troendle August J. | President & CEO | Jul 20, 2020 | Sale | 1,870,510 |
| Troendle August J. | President & CEO | Jul 17, 2020 | Sale | 2,033,624 |
| Medpace Investors, LLC | 10% Owner | Jul 17, 2020 | Sale | 2,033,624 |
| Medpace Investors, LLC | 10% Owner | Jul 20, 2020 | Sale | 1,870,510 |
| Troendle August J. | President & CEO | Jul 15, 2020 | Sale | 3,010,630 |
| Troendle August J. | President & CEO | Jul 16, 2020 | Sale | 1,583,810 |
| Medpace Investors, LLC | 10% Owner | Jul 16, 2020 | Sale | 1,583,810 |
| Medpace Investors, LLC | 10% Owner | Jul 15, 2020 | Sale | 3,010,630 |
| Medpace Investors, LLC | 10% Owner | Jul 13, 2020 | Sale | 615,764 |
| Medpace Investors, LLC | 10% Owner | Jul 09, 2020 | Sale | 245,868 |
| Troendle August J. | President & CEO | Jul 09, 2020 | Sale | 245,868 |
| Troendle August J. | President & CEO | Jul 13, 2020 | Sale | 615,764 |
| Troendle August J. | President & CEO | May 06, 2020 | Option Exercise | 50,694 |
| Medpace Investors, LLC | 10% Owner | May 06, 2020 | Option Exercise | 50,694 |
| Medpace Investors, LLC | 10% Owner | Jan 31, 2020 | Option Exercise | 389,530 |
| Troendle August J. | President & CEO | Jan 31, 2020 | Option Exercise | 389,530 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Dec 20, 2019 | Sale | 1,423,632 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Dec 19, 2019 | Sale | 1,180,800 |
| Troendle August J. | President & CEO | Nov 15, 2019 | Option Exercise | 16,455 |
| Medpace Investors, LLC | 10% Owner | Nov 15, 2019 | Option Exercise | 16,455 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Oct 18, 2019 | Sale | 618,400 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Oct 15, 2019 | Sale | 768,000 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Oct 14, 2019 | Sale | 561,816 |
| Troendle August J. | President & CEO | Sep 24, 2019 | Option Exercise | 124,156 |
| Medpace Investors, LLC | 10% Owner | Sep 24, 2019 | Option Exercise | 124,156 |
| Brown Bruce | Director | May 06, 2019 | Option Exercise | 524,032 |
| Brown Bruce | Director | May 06, 2019 | Option Exercise | 495,301 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Apr 22, 2019 | Option Exercise | 115,280 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Apr 05, 2019 | Option Exercise | 693,813 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Mar 29, 2019 | Sale | 460,471 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Mar 29, 2019 | Sale | 698,400 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Apr 01, 2019 | Sale | 1,502,220 |
| Troendle August J. | President & CEO | Feb 04, 2019 | Sale | 1,258,937 |
| Troendle August J. | President & CEO | Feb 01, 2019 | Sale | 5,511,455 |
| Medpace Investors, LLC | 10% Owner | Feb 01, 2019 | Sale | 5,511,455 |
| Medpace Investors, LLC | 10% Owner | Feb 04, 2019 | Sale | 1,258,937 |
| Troendle August J. | President & CEO | Jan 31, 2019 | Sale | 4,389,505 |
| Troendle August J. | President & CEO | Jan 30, 2019 | Sale | 6,500,786 |
| Troendle August J. | President & CEO | Jan 29, 2019 | Sale | 67,155 |
| Medpace Investors, LLC | 10% Owner | Jan 31, 2019 | Sale | 4,389,505 |
| Medpace Investors, LLC | 10% Owner | Jan 30, 2019 | Sale | 6,500,786 |
| Medpace Investors, LLC | 10% Owner | Jan 29, 2019 | Sale | 67,155 |
| Troendle August J. | President & CEO | Jan 24, 2019 | Sale | 214,051 |
| Troendle August J. | President & CEO | Jan 28, 2019 | Sale | 257,650 |
| Troendle August J. | President & CEO | Jan 25, 2019 | Sale | 1,709,073 |
| Medpace Investors, LLC | 10% Owner | Jan 25, 2019 | Sale | 1,709,073 |
| Medpace Investors, LLC | 10% Owner | Jan 24, 2019 | Sale | 214,051 |
| Medpace Investors, LLC | 10% Owner | Jan 28, 2019 | Sale | 257,650 |
| Troendle August J. | President & CEO | Jan 17, 2019 | Sale | 535,849 |
| Troendle August J. | President & CEO | Jan 16, 2019 | Sale | 444,659 |
| Troendle August J. | President & CEO | Jan 15, 2019 | Sale | 36,600 |
| Troendle August J. | President & CEO | Jan 23, 2019 | Sale | 1,479,075 |
| Troendle August J. | President & CEO | Jan 22, 2019 | Sale | 607,090 |
| Troendle August J. | President & CEO | Jan 18, 2019 | Sale | 2,353,875 |
| Medpace Investors, LLC | 10% Owner | Jan 22, 2019 | Sale | 607,090 |
| Medpace Investors, LLC | 10% Owner | Jan 18, 2019 | Sale | 2,353,875 |
| Medpace Investors, LLC | 10% Owner | Jan 23, 2019 | Sale | 1,479,075 |
| Troendle August J. | President & CEO | Jan 15, 2019 | Sale | 36,600 |
| Troendle August J. | President & CEO | Jan 17, 2019 | Sale | 535,849 |
| Troendle August J. | President & CEO | Jan 16, 2019 | Sale | 444,659 |
| Medpace Investors, LLC | 10% Owner | Jan 17, 2019 | Sale | 535,849 |
| Medpace Investors, LLC | 10% Owner | Jan 16, 2019 | Sale | 444,659 |
| Medpace Investors, LLC | 10% Owner | Jan 15, 2019 | Sale | 36,600 |
| Troendle August J. | President & CEO | Sep 28, 2018 | Option Exercise | 44,596,105 |
| Medpace Investors, LLC | 10% Owner | Sep 28, 2018 | Option Exercise | 44,596,105 |
| Troendle August J. | President & CEO | Sep 28, 2018 | Option Exercise | 44,779,969 |
| Medpace Investors, LLC | 10% Owner | Sep 28, 2018 | Option Exercise | 44,779,969 |
| EWALD STEPHEN P | General Counsel & Corp. Secy. | Sep 28, 2018 | Option Exercise | 476,045 |
| BURWIG SUSAN E | Exec. VP, Operations | Sep 28, 2018 | Option Exercise | 1,508,833 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Sep 28, 2018 | Option Exercise | 2,218,887 |
| Troendle August J. | President & CEO | Sep 28, 2018 | Option Exercise | 15,088,393 |
| Troendle August J. | President & CEO | Sep 28, 2018 | Option Exercise | 44,840,179 |
| Medpace Investors, LLC | 10% Owner | Sep 28, 2018 | Option Exercise | 44,840,179 |
| Troendle August J. | President & CEO | Sep 25, 2018 | Sale | 2,255,030 |
| Troendle August J. | President & CEO | Sep 27, 2018 | Sale | 2,758,031 |
| Troendle August J. | President & CEO | Sep 26, 2018 | Sale | 2,737,205 |
| Medpace Investors, LLC | 10% Owner | Sep 27, 2018 | Sale | 2,758,031 |
| Medpace Investors, LLC | 10% Owner | Sep 26, 2018 | Sale | 2,737,205 |
| Medpace Investors, LLC | 10% Owner | Sep 25, 2018 | Sale | 2,255,030 |
| Troendle August J. | President & CEO | Sep 21, 2018 | Sale | 158,629 |
| Medpace Investors, LLC | 10% Owner | Sep 21, 2018 | Sale | 158,629 |
| Medpace Investors, LLC | 10% Owner | Sep 20, 2018 | Sale | 3,138,450 |
| Medpace Investors, LLC | 10% Owner | Sep 19, 2018 | Sale | 3,680,810 |
| Troendle August J. | President & CEO | Sep 20, 2018 | Sale | 3,138,450 |
| Troendle August J. | President & CEO | Sep 19, 2018 | Sale | 3,680,688 |
| Medpace Limited Partnership | 10% Owner | Aug 27, 2018 | Sale | 286,068,586 |
| Medpace Limited Partnership | 10% Owner | Aug 10, 2018 | Sale | 281,261,242 |
| Troendle August J. | President & CEO | Aug 07, 2018 | Sale | 7,880,271 |
| Troendle August J. | President & CEO | Aug 06, 2018 | Sale | 9,149,150 |
| Troendle August J. | President & CEO | Aug 03, 2018 | Sale | 12,185,562 |
| Troendle August J. | President & CEO | Aug 02, 2018 | Sale | 22,010,264 |
| GEIGER JESSE J | CFO & COO, Lab Operations | Aug 02, 2018 | Sale | 445,531 |
| Medpace Limited Partnership | 10% Owner | Jun 14, 2018 | Sale | 125,399,998 |
| Medpace Limited Partnership | 10% Owner | May 07, 2018 | Sale | 106,470,005 |
| Medpace Limited Partnership | 10% Owner | Dec 05, 2017 | Sale | 138,741,983 |
| Medpace Limited Partnership | 10% Owner | Aug 22, 2017 | Sale | 60,540,001 |
| BUCKNELL PENELOPE J | VP, Human Resources | May 02, 2017 | Option Exercise | 43,230 |
| Troendle August J. | President & CEO | Aug 18, 2016 | Buy | 279,800 |
| BURWIG SUSAN E | Sr. Vice President, Operations | Aug 16, 2016 | Buy | 35,482 |
| BURWIG SUSAN E | Sr. Vice President, Operations | Aug 17, 2016 | Buy | 525,600 |
| Troendle August J. | President & CEO | Aug 16, 2016 | Buy | 19,999,995 |