| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Mar 18, 2024 | Sale | $80.74 | 5,000 | 403,712 | 4,500 | Mar 19, 2024, 05:28 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Feb 16, 2024 | Sale | $91.07 | 5,000 | 455,344 | 2,789 | Feb 20, 2024, 08:07 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jan 16, 2024 | Sale | $83.73 | 5,000 | 418,656 | 2,904 | Jan 18, 2024, 05:55 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Dec 18, 2023 | Sale | $74.11 | 5,000 | 370,575 | 67 | Dec 19, 2023, 07:05 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Nov 16, 2023 | Sale | $72.52 | 5,000 | 362,609 | 4,053 | Nov 17, 2023, 04:20 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 16, 2023 | Sale | $65.23 | 5,000 | 326,169 | 3,698 | Oct 17, 2023, 03:11 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Sep 18, 2023 | Sale | $65.29 | 5,000 | 326,450 | 0 | Sep 19, 2023, 08:00 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Aug 16, 2023 | Sale | $62.47 | 5,000 | 312,325 | 0 | Aug 17, 2023, 11:57 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 17, 2023 | Sale | $74.91 | 5,000 | 374,558 | 2,601 | Jul 18, 2023, 11:02 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jun 16, 2023 | Sale | $75.18 | 5,000 | 375,876 | 1,400 | Jun 20, 2023, 10:45 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | May 16, 2023 | Sale | $67.94 | 5,000 | 339,715 | 0 | May 17, 2023, 02:03 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Apr 17, 2023 | Sale | $70.33 | 5,000 | 351,647 | 291 | Apr 18, 2023, 03:47 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Mar 15, 2023 | Sale | $66.16 | 20,000 | 1,323,235 | 8,676 | Mar 16, 2023, 09:18 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Feb 15, 2023 | Sale | $57.70 | 20,000 | 1,153,904 | 3,396 | Feb 16, 2023, 01:29 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jan 17, 2023 | Sale | $49.90 | 20,000 | 998,100 | 0 | Jan 19, 2023, 02:45 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jan 09, 2023 | Sale | $48.45 | 20,000 | 969,015 | 289 | Jan 10, 2023, 04:38 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Dec 15, 2021 | Sale | $71.34 | 23,669 | 1,688,647 | 17,292 | Dec 17, 2021, 10:57 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Nov 17, 2021 | Sale | $78.27 | 9,867 | 772,300 | 0 | Nov 19, 2021, 01:38 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Nov 16, 2021 | Sale | $79.11 | 8,099 | 640,725 | 4,294 | Nov 17, 2021, 11:59 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Nov 15, 2021 | Sale | $77.76 | 7,751 | 602,693 | 135 | Nov 17, 2021, 11:59 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 19, 2021 | Sale | $74.11 | 11,955 | 886,028 | 8,195 | Oct 21, 2021, 09:48 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 15, 2021 | Sale | $73.47 | 13,448 | 987,962 | 6,826 | Oct 19, 2021, 11:00 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 18, 2021 | Sale | $73.66 | 14,597 | 1,075,204 | 14,097 | Oct 19, 2021, 11:00 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Sep 17, 2021 | Sale | $74.66 | 22,151 | 1,653,891 | 4,025 | Sep 20, 2021, 10:39 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Sep 15, 2021 | Sale | $75.40 | 8,818 | 664,856 | 4,868 | Sep 17, 2021, 02:13 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Sep 16, 2021 | Sale | $75.10 | 9,031 | 678,209 | 1,358 | Sep 17, 2021, 02:13 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Aug 18, 2021 | Sale | $70.93 | 13,907 | 986,382 | 200 | Aug 19, 2021, 10:10 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Aug 16, 2021 | Sale | $72.12 | 18,814 | 1,356,910 | 15,661 | Aug 18, 2021, 10:55 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Aug 17, 2021 | Sale | $71.10 | 7,279 | 517,559 | 0 | Aug 18, 2021, 10:55 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 19, 2021 | Sale | $64.98 | 11,180 | 726,514 | 9,880 | Jul 20, 2021, 02:32 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 15, 2021 | Sale | $66.03 | 13,826 | 912,880 | 3,057 | Jul 19, 2021, 11:32 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 16, 2021 | Sale | $65.21 | 14,994 | 977,817 | 7,617 | Jul 19, 2021, 11:32 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jun 17, 2021 | Sale | $62.99 | 9,940 | 626,110 | 200 | Jun 21, 2021, 08:38 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | May 19, 2021 | Sale | $61.26 | 12,980 | 795,170 | 4,756 | May 20, 2021, 09:36 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Apr 15, 2021 | Sale | $63.07 | 40,000 | 2,522,617 | 25,435 | Apr 16, 2021, 01:27 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Mar 17, 2021 | Sale | $60.25 | 6,998 | 421,632 | 2,583 | Mar 18, 2021, 06:37 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Mar 15, 2021 | Sale | $61.29 | 13,916 | 852,910 | 13,416 | Mar 17, 2021, 07:16 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Mar 16, 2021 | Sale | $60.99 | 19,086 | 1,163,994 | 15,761 | Mar 17, 2021, 07:16 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Feb 18, 2021 | Sale | $61.11 | 3,755 | 229,484 | 764 | Feb 19, 2021, 12:45 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Feb 16, 2021 | Sale | $66.17 | 18,183 | 1,203,199 | 11,240 | Feb 18, 2021, 09:37 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Feb 17, 2021 | Sale | $62.52 | 18,062 | 1,129,304 | 3,621 | Feb 18, 2021, 09:37 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jan 20, 2021 | Sale | $61.90 | 7,430 | 459,882 | 4,595 | Jan 22, 2021, 06:56 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jan 15, 2021 | Sale | $60.34 | 14,833 | 894,967 | 3,361 | Jan 20, 2021, 05:20 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jan 19, 2021 | Sale | $60.67 | 17,737 | 1,076,029 | 283 | Jan 20, 2021, 05:20 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Dec 17, 2020 | Sale | $57.84 | 3,906 | 225,915 | 1,000 | Dec 21, 2020, 05:37 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Dec 16, 2020 | Sale | $57.02 | 18,082 | 1,030,973 | 400 | Dec 17, 2020, 05:58 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Dec 15, 2020 | Sale | $56.83 | 18,012 | 1,023,651 | 5,314 | Dec 17, 2020, 05:58 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Nov 16, 2020 | Sale | $49.07 | 19,006 | 932,669 | 3,898 | Nov 18, 2020, 02:45 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Nov 17, 2020 | Sale | $49.26 | 20,994 | 1,034,259 | 8,631 | Nov 18, 2020, 02:45 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 19, 2020 | Sale | $46.29 | 9,126 | 422,452 | 0 | Oct 21, 2020, 03:59 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 15, 2020 | Sale | $45.77 | 19,288 | 882,764 | 874 | Oct 19, 2020, 05:30 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 16, 2020 | Sale | $46.28 | 11,586 | 536,212 | 0 | Oct 19, 2020, 05:30 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Sep 15, 2020 | Sale | $39.65 | 13,869 | 549,975 | 0 | Sep 17, 2020, 07:13 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Sep 16, 2020 | Sale | $40.83 | 26,131 | 1,066,928 | 14,287 | Sep 17, 2020, 07:13 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Aug 17, 2020 | Sale | $40.44 | 16,326 | 660,150 | 101 | Aug 19, 2020, 02:34 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Aug 18, 2020 | Sale | $41.16 | 23,674 | 974,483 | 9,826 | Aug 19, 2020, 02:34 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 17, 2020 | Sale | $37.83 | 6,576 | 248,773 | 2,358 | Jul 20, 2020, 04:39 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 15, 2020 | Sale | $38.00 | 18,603 | 706,927 | 100 | Jul 17, 2020, 03:09 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 16, 2020 | Sale | $37.21 | 14,821 | 551,504 | 0 | Jul 17, 2020, 03:09 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 03, 2019 | Sale | $32.49 | 30,534 | 992,172 | 0 | Oct 07, 2019, 04:22 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 02, 2019 | Sale | $32.87 | 29,335 | 964,329 | 0 | Oct 03, 2019, 12:54 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Oct 01, 2019 | Sale | $34.00 | 20,131 | 684,523 | 2,500 | Oct 03, 2019, 07:40 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Sep 03, 2019 | Sale | $33.50 | 75,960 | 2,544,396 | 3,100 | Sep 05, 2019, 06:57 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Sep 04, 2019 | Sale | $33.83 | 4,040 | 136,673 | 0 | Sep 05, 2019, 06:57 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Aug 01, 2019 | Sale | $41.55 | 15,298 | 635,603 | 2,517 | Aug 05, 2019, 08:37 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Aug 02, 2019 | Sale | $40.39 | 64,702 | 2,613,500 | 300 | Aug 05, 2019, 08:37 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 02, 2019 | Sale | $40.42 | 25,516 | 1,031,357 | 0 | Jul 05, 2019, 09:25 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jul 01, 2019 | Sale | $40.93 | 54,484 | 2,230,230 | 500 | Jul 03, 2019, 09:39 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jun 04, 2019 | Sale | $37.61 | 6,300 | 236,912 | 1,284 | Jun 06, 2019, 02:10 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jun 03, 2019 | Sale | $36.86 | 73,700 | 2,716,521 | 1,500 | Jun 05, 2019, 09:27 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | May 03, 2019 | Sale | $37.04 | 77,121 | 2,856,562 | 0 | May 07, 2019, 09:10 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | May 02, 2019 | Sale | $36.89 | 12,685 | 467,950 | 0 | May 06, 2019, 08:27 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | May 01, 2019 | Sale | $38.29 | 15,200 | 582,079 | 2,875 | May 03, 2019, 10:58 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Apr 10, 2019 | Sale | $36.90 | 24,328 | 897,776 | 0 | Apr 12, 2019, 01:40 PM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Apr 09, 2019 | Sale | $36.79 | 16,152 | 594,184 | 0 | Apr 10, 2019, 07:21 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Apr 08, 2019 | Sale | $37.14 | 14,514 | 539,035 | 900 | Apr 09, 2019, 08:07 AM | |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | Jun 11, 2018 | Sale | $33.42 | 975,420 | 32,603,413 | 0 | Jun 11, 2018, 04:19 PM |
Menu