| Owner | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| Sereda Brian J | Senior Vice President & CFO | May 15, 2020 | Sale | $1.84 | 11,075 | 20,378 | 308,190 | May 19, 2020, 08:08 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | May 15, 2020 | Sale | $1.84 | 10,177 | 18,726 | 296,797 | May 19, 2020, 08:06 PM |
| Johnston Cesar | COO & EVP, Engineering | May 15, 2020 | Sale | $1.84 | 24,322 | 44,752 | 420,494 | May 19, 2020, 08:04 PM |
| Alexopoulos Nicolaos G. | Director | May 13, 2020 | Sale | $1.80 | 5,685 | 10,233 | 26,839 | May 14, 2020, 08:55 PM |
| Johnston Cesar | COO & EVP, Engineering | Mar 27, 2020 | Sale | $0.79 | 8,125 | 6,419 | 444,816 | Mar 31, 2020, 05:32 PM |
| Sereda Brian J | Senior Vice President & CFO | Feb 21, 2020 | Sale | $1.84 | 2,625 | 4,830 | 145,246 | Mar 17, 2020, 09:59 PM |
| Sereda Brian J | Senior Vice President & CFO | Feb 21, 2020 | Sale | $1.84 | 2,625 | 4,830 | 145,246 | Feb 26, 2020, 08:06 PM |
| Johnston Cesar | COO & EVP, Engineering | Feb 21, 2020 | Sale | $1.84 | 3,750 | 6,900 | 247,754 | Feb 26, 2020, 08:04 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Feb 21, 2020 | Sale | $1.84 | 3,075 | 5,658 | 138,149 | Feb 26, 2020, 08:03 PM |
| Johnston Cesar | COO & EVP, Engineering | Feb 14, 2020 | Sale | $1.74 | 7,110 | 12,371 | 251,504 | Feb 19, 2020, 07:33 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Feb 14, 2020 | Sale | $1.74 | 3,141 | 5,465 | 141,224 | Feb 19, 2020, 07:32 PM |
| Sereda Brian J | Senior Vice President & CFO | Feb 14, 2020 | Sale | $1.74 | 3,716 | 6,466 | 147,871 | Feb 19, 2020, 06:54 PM |
| Sereda Brian J | Senior Vice President & CFO | Jan 02, 2020 | Sale | $1.98 | 4,463 | 8,837 | 151,587 | Jan 06, 2020, 08:23 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jan 02, 2020 | Sale | $1.98 | 3,675 | 7,277 | 144,365 | Jan 06, 2020, 08:21 PM |
| Johnston Cesar | COO & EVP, Engineering | Jan 02, 2020 | Sale | $1.98 | 8,550 | 16,929 | 258,614 | Jan 06, 2020, 08:21 PM |
| Johnston Cesar | COO & EVP, Engineering | Dec 27, 2019 | Sale | $1.78 | 4,063 | 7,232 | 267,164 | Dec 31, 2019, 05:42 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 17, 2019 | Sale | $1.89 | 900 | 1,701 | 148,040 | Dec 19, 2019, 07:56 PM |
| RIZZONE STEPHEN R | CEO and President | Dec 04, 2019 | Buy | $1.95 | 10,250 | 19,986 | 585,970 | Dec 05, 2019, 06:14 AM |
| Johnston Cesar | COO & EVP, Engineering | Dec 02, 2019 | Sale | $2.01 | 22,306 | 44,877 | 271,227 | Dec 04, 2019, 08:04 PM |
| RIZZONE STEPHEN R | CEO and President | Nov 22, 2019 | Buy | $2.07 | 21,580 | 44,746 | 575,720 | Nov 25, 2019, 05:01 PM |
| Sereda Brian J | Senior Vice President & CFO | Nov 15, 2019 | Sale | $2.10 | 3,336 | 7,006 | 156,050 | Nov 18, 2019, 07:56 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Nov 15, 2019 | Sale | $2.10 | 2,669 | 5,605 | 148,940 | Nov 18, 2019, 07:54 PM |
| Johnston Cesar | COO & EVP, Engineering | Nov 15, 2019 | Sale | $2.10 | 6,375 | 13,387 | 293,533 | Nov 18, 2019, 07:53 PM |
| Gaulding John | Director | Nov 15, 2019 | Sale | $2.15 | 11,500 | 24,740 | 56,818 | Nov 18, 2019, 07:52 PM |
| Gaulding John | Director | Nov 14, 2019 | Sale | $2.18 | 13,350 | 29,103 | 68,318 | Nov 18, 2019, 07:52 PM |
| Gaulding John | Director | Nov 13, 2019 | Sale | $2.21 | 31,160 | 68,957 | 81,668 | Nov 15, 2019, 07:14 PM |
| Johnston Cesar | COO & EVP, Engineering | Sep 27, 2019 | Sale | $3.32 | 4,063 | 13,489 | 299,908 | Oct 01, 2019, 09:11 PM |
| Sereda Brian J | Senior Vice President & CFO | Aug 16, 2019 | Sale | $3.58 | 10,313 | 36,921 | 159,386 | Aug 20, 2019, 07:39 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Aug 16, 2019 | Sale | $3.58 | 5,850 | 20,943 | 151,609 | Aug 20, 2019, 07:38 PM |
| Johnston Cesar | COO & EVP, Engineering | Aug 16, 2019 | Sale | $3.58 | 16,875 | 60,412 | 303,971 | Aug 20, 2019, 07:37 PM |
| Sereda Brian J | Senior Vice President & CFO | Jul 12, 2019 | Sale | $4.59 | 15,300 | 70,227 | 139,699 | Jul 16, 2019, 07:42 PM |
| Johnston Cesar | COO & EVP, Engineering | Jun 28, 2019 | Sale | $4.37 | 4,144 | 18,109 | 320,846 | Jul 02, 2019, 12:00 AM |
| Sereda Brian J | Senior Vice President & CFO | May 28, 2019 | Sale | $4.51 | 20,000 | 90,286 | 169,499 | May 30, 2019, 08:07 PM |
| Sereda Brian J | Senior Vice President & CFO | May 29, 2019 | Sale | $4.12 | 14,500 | 59,741 | 154,999 | May 30, 2019, 08:07 PM |
| Alexopoulos Nicolaos G. | Director | May 22, 2019 | Sale | $4.70 | 3,435 | 16,154 | 32,524 | May 24, 2019, 07:28 PM |
| Sereda Brian J | Senior Vice President & CFO | Apr 02, 2019 | Sale | $6.18 | 2,700 | 16,686 | 189,499 | Apr 04, 2019, 06:53 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Apr 02, 2019 | Sale | $6.18 | 2,625 | 16,222 | 157,459 | Apr 04, 2019, 06:51 PM |
| Johnston Cesar | COO & EVP, Engineering | Apr 02, 2019 | Sale | $6.18 | 5,400 | 33,372 | 324,990 | Apr 04, 2019, 06:49 PM |
| Johnston Cesar | EVP, Engineering & Operations | Feb 04, 2019 | Sale | $7.51 | 3,400 | 25,538 | 165,390 | Feb 05, 2019, 06:00 PM |
| Sereda Brian J | Senior Vice President & CFO | Feb 04, 2019 | Sale | $7.51 | 3,400 | 25,538 | 117,199 | Feb 05, 2019, 05:58 PM |
| Sereda Brian J | Senior Vice President & CFO | Jan 30, 2019 | Sale | $7.40 | 3,792 | 28,061 | 120,599 | Feb 01, 2019, 09:16 PM |
| RIZZONE STEPHEN R | CEO and President | Jan 30, 2019 | Option Exercise | $7.40 | 44,481 | 329,159 | 554,140 | Feb 01, 2019, 09:14 PM |
| Johnston Cesar | EVP, Engineering & Operations | Jan 30, 2019 | Sale | $7.40 | 8,089 | 59,859 | 168,790 | Feb 01, 2019, 09:13 PM |
| Johnston Cesar | EVP, Engineering & Operations | Jan 02, 2019 | Sale | $6.87 | 6,300 | 43,281 | 151,600 | Jan 04, 2019, 07:53 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jan 02, 2019 | Sale | $6.87 | 3,675 | 25,247 | 100,084 | Jan 04, 2019, 07:20 PM |
| Sereda Brian J | Senior Vice President & CFO | Jan 02, 2019 | Sale | $6.87 | 4,463 | 30,661 | 111,751 | Jan 04, 2019, 07:18 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 17, 2018 | Sale | $6.50 | 900 | 5,850 | 103,340 | Dec 19, 2018, 08:07 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Nov 12, 2018 | Sale | $8.62 | 2,796 | 24,101 | 101,740 | Nov 14, 2018, 07:17 PM |
| RIZZONE STEPHEN R | CEO and President | Sep 17, 2018 | Option Exercise | $1.68 | 200,141 | 336,237 | 423,860 | Sep 19, 2018, 08:10 PM |
| Sereda Brian J | Senior Vice President & CFO | Aug 20, 2018 | Sale | $12.59 | 4,010 | 50,467 | 115,652 | Aug 22, 2018, 05:21 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Aug 20, 2018 | Sale | $12.59 | 3,069 | 38,624 | 103,689 | Aug 22, 2018, 05:18 PM |
| Johnston Cesar | EVP, Engineering & Operations | Aug 20, 2018 | Sale | $12.59 | 10,683 | 134,448 | 157,900 | Aug 22, 2018, 05:15 PM |
| Johnston Cesar | EVP, Engineering & Operations | Jul 16, 2018 | Sale | $15.54 | 8,780 | 136,484 | 168,583 | Jul 17, 2018, 07:59 PM |
| Sereda Brian J | Senior Vice President & CFO | Jul 16, 2018 | Sale | $15.54 | 10,540 | 163,843 | 119,662 | Jul 17, 2018, 07:57 PM |
| Gaulding John | Director | Jun 15, 2018 | Sale | $16.10 | 4,096 | 65,964 | 113,128 | Jun 15, 2018, 05:53 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jun 14, 2018 | Sale | $16.30 | 4,927 | 80,313 | 106,758 | Jun 15, 2018, 05:52 PM |
| Sereda Brian J | Senior Vice President & CFO | Jun 06, 2018 | Sale | $17.04 | 1,645 | 28,035 | 100,202 | Jun 08, 2018, 09:02 PM |
| Johnston Cesar | EVP, Engineering & Operations | Jun 06, 2018 | Sale | $16.80 | 3,337 | 56,077 | 152,363 | Jun 08, 2018, 09:00 PM |
| Johnston Cesar | EVP, Engineering & Operations | Mar 13, 2018 | Sale | $22.06 | 2,578 | 56,875 | 146,277 | Mar 15, 2018, 01:33 PM |
| Leabman Michael Aaron | Director | Mar 08, 2018 | Option Exercise | $6.00 | 80,000 | 480,000 | 232,279 | Mar 09, 2018, 08:01 PM |
| Leabman Michael Aaron | Director | Mar 09, 2018 | Option Exercise | $6.00 | 20,000 | 120,000 | 172,279 | Mar 09, 2018, 08:01 PM |
| Leabman Michael Aaron | Director | Mar 08, 2018 | Sale | $21.97 | 80,000 | 1,757,640 | 164,279 | Mar 09, 2018, 08:01 PM |
| Leabman Michael Aaron | Director | Mar 09, 2018 | Sale | $21.90 | 20,000 | 437,938 | 152,279 | Mar 09, 2018, 08:01 PM |
| Leabman Michael Aaron | Director | Feb 21, 2018 | Option Exercise | $6.00 | 52,000 | 312,000 | 152,279 | Mar 09, 2018, 08:00 PM |
| Johnston Cesar | EVP, Engineering & Operations | Mar 06, 2018 | Sale | $21.98 | 11,551 | 253,849 | 73,855 | Mar 08, 2018, 07:18 PM |
| Johnston Cesar | Senior VP, Engineering | Feb 26, 2018 | Sale | $21.91 | 3,585 | 78,559 | 85,406 | Feb 28, 2018, 08:54 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Feb 26, 2018 | Sale | $21.91 | 2,880 | 63,110 | 76,685 | Feb 28, 2018, 07:15 PM |
| Sereda Brian J | Senior Vice President & CFO | Feb 26, 2018 | Sale | $22.19 | 16,790 | 372,524 | 68,570 | Feb 28, 2018, 07:10 PM |
| RIZZONE STEPHEN R | CEO and President | Feb 23, 2018 | Sale | $22.50 | 30,000 | 675,000 | 223,719 | Feb 27, 2018, 06:23 PM |
| Leabman Michael Aaron | Director | Feb 21, 2018 | Sale | $20.01 | 52,000 | 1,040,556 | 100,279 | Feb 23, 2018, 07:08 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Feb 21, 2018 | Sale | $20.17 | 4,991 | 100,670 | 79,565 | Feb 23, 2018, 07:04 PM |
| Gaulding John | Director | Jan 03, 2018 | Sale | $23.67 | 11,353 | 268,714 | 111,388 | Jan 04, 2018, 06:10 PM |
| RIZZONE STEPHEN R | CEO and President | Dec 29, 2017 | Sale | $26.04 | 75,000 | 1,953,000 | 253,609 | Dec 29, 2017, 07:50 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 28, 2017 | Sale | $33.19 | 2,986 | 99,114 | 83,867 | Dec 29, 2017, 07:06 PM |
| Leabman Michael Aaron | Chief Technology Officer | Dec 27, 2017 | Sale | $20.57 | 29,610 | 609,208 | 152,279 | Dec 29, 2017, 07:05 PM |
| Gaulding John | Director | Dec 29, 2017 | Sale | $29.66 | 25,000 | 741,431 | 73,312 | Dec 29, 2017, 07:04 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 19, 2017 | Sale | $9.28 | 920 | 8,539 | 86,853 | Dec 21, 2017, 06:01 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 14, 2017 | Sale | $8.72 | 1,350 | 11,772 | 87,773 | Dec 15, 2017, 05:55 PM |
| Sereda Brian J | Senior Vice President & CFO | Dec 14, 2017 | Sale | $8.75 | 901 | 7,885 | 70,968 | Dec 15, 2017, 05:51 PM |
| RIZZONE STEPHEN R | CEO and President | Dec 04, 2017 | Option Exercise | $1.68 | 47,350 | 79,548 | 328,609 | Dec 07, 2017, 08:39 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Nov 13, 2017 | Sale | $9.35 | 2,846 | 26,624 | 89,123 | Nov 13, 2017, 08:25 PM |
| Johnston Cesar | Senior VP, Engineering | Sep 26, 2017 | Sale | $12.55 | 15,000 | 188,316 | 88,991 | Sep 28, 2017, 08:58 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Sep 11, 2017 | Sale | $12.53 | 9,867 | 123,651 | 91,969 | Sep 13, 2017, 08:11 PM |
| Sereda Brian J | Senior Vice President & CFO | Sep 08, 2017 | Sale | $13.09 | 34,000 | 445,043 | 12,015 | Sep 13, 2017, 08:09 PM |
| Johnston Cesar | Senior VP, Engineering | Aug 21, 2017 | Sale | $9.31 | 7,665 | 71,389 | 106,025 | Aug 23, 2017, 08:08 PM |
| Johnston Cesar | Senior VP, Engineering | Aug 23, 2017 | Sale | $9.71 | 2,034 | 19,750 | 103,991 | Aug 23, 2017, 08:08 PM |
| Sereda Brian J | Senior Vice President & CFO | Aug 21, 2017 | Sale | $9.31 | 4,750 | 44,240 | 117,432 | Aug 22, 2017, 08:48 PM |
| Leabman Michael Aaron | Chief Technology Officer | Aug 21, 2017 | Sale | $9.31 | 10,515 | 97,932 | 181,889 | Aug 22, 2017, 08:47 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Aug 21, 2017 | Sale | $9.31 | 3,705 | 34,507 | 101,115 | Aug 22, 2017, 08:45 PM |
| Johnston Cesar | Senior VP, Engineering | Jul 17, 2017 | Sale | $16.11 | 9,443 | 152,130 | 113,690 | Jul 17, 2017, 07:43 PM |
| Sereda Brian J | Senior Vice President & CFO | Jul 14, 2017 | Sale | $16.11 | 11,395 | 183,526 | 122,182 | Jul 17, 2017, 07:41 PM |
| Leabman Michael Aaron | Chief Technology Officer | Jun 19, 2017 | Option Exercise | $4.74 | 147,578 | 700,000 | 339,982 | Jun 21, 2017, 07:32 PM |
| Sereda Brian J | Vice President & CFO | Jun 14, 2017 | Sale | $15.85 | 945 | 14,975 | 103,577 | Jun 16, 2017, 07:28 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jun 14, 2017 | Sale | $15.85 | 1,615 | 25,592 | 104,820 | Jun 16, 2017, 07:27 PM |
| Gaulding John | Director | Jun 14, 2017 | Sale | $15.85 | 2,140 | 33,911 | 95,812 | Jun 16, 2017, 07:25 PM |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jun 01, 2017 | Sale | $15.50 | 2,000 | 31,000 | 106,435 | Jun 05, 2017, 06:17 PM |
| Johnston Cesar | Senior VP, Engineering | Mar 16, 2017 | Sale | $15.88 | 37,000 | 587,486 | 98,133 | Mar 16, 2017, 08:16 PM |
| Sereda Brian J | Vice President & CFO | Jan 12, 2017 | Sale | $18.42 | 162 | 2,984 | 69,522 | Feb 27, 2017, 07:28 PM |
| Johnston Cesar | Senior VP, Engineering | Jan 12, 2017 | Sale | $18.42 | 325 | 5,987 | 105,133 | Feb 27, 2017, 07:27 PM |
| Leabman Michael Aaron | Chief Technology Officer | Jan 12, 2017 | Sale | $18.42 | 162 | 2,984 | 115,124 | Feb 27, 2017, 07:26 PM |
| Gaulding John | Director | Jan 06, 2017 | Sale | $16.93 | 14,651 | 248,071 | 46,504 | Jan 06, 2017, 07:49 PM |
| Gaulding John | Director | Dec 15, 2016 | Option Exercise | $4.99 | 19,013 | 94,875 | 40,022 | Dec 16, 2016, 09:03 PM |
| Gaulding John | Director | Dec 15, 2016 | Sale | $17.00 | 19,013 | 323,175 | 21,009 | Dec 16, 2016, 09:03 PM |
| Leabman Michael Aaron | Chief Technology Officer | Nov 14, 2016 | Sale | $14.02 | 4,396 | 61,610 | 114,899 | Nov 16, 2016, 07:25 PM |
| Sereda Brian J | Vice President & CFO | Nov 14, 2016 | Sale | $13.85 | 1,853 | 25,664 | 68,692 | Nov 16, 2016, 07:22 PM |
| Gaulding John | Director | Nov 11, 2016 | Sale | $13.80 | 814 | 11,233 | 21,009 | Nov 15, 2016, 08:37 PM |
| Johnston Cesar | Senior VP, Engineering | Nov 11, 2016 | Sale | $14.02 | 18,164 | 254,614 | 104,684 | Nov 14, 2016, 08:52 PM |
| Johnston Cesar | Senior VP, Engineering | Nov 10, 2016 | Sale | $14.37 | 40,000 | 574,776 | 122,848 | Nov 14, 2016, 08:52 PM |
| Gaulding John | Director | Aug 18, 2016 | Sale | $14.38 | 352 | 5,062 | 19,602 | Aug 19, 2016, 04:14 PM |
| Sereda Brian J | Vice President and CFO | Aug 12, 2016 | Option Exercise | $12.88 | 11,996 | 154,508 | 21,103 | Aug 16, 2016, 05:54 PM |
| Johnston Cesar | Senior VP of Engineering | Aug 12, 2016 | Option Exercise | $12.88 | 10,838 | 139,593 | 62,713 | Aug 16, 2016, 05:51 PM |
| Leabman Michael Aaron | Chief Technology Officer | Aug 12, 2016 | Option Exercise | $12.88 | 722 | 9,299 | 8,603 | Aug 16, 2016, 05:46 PM |
| Tamkin Gregory S | 10% Owner | Jun 01, 2016 | Sale | $10.57 | 25,000 | 264,250 | 1,574,812 | Jun 03, 2016, 09:14 AM |
| Tamkin Gregory S | 10% Owner | Apr 11, 2016 | Sale | $10.18 | 25,000 | 254,500 | 1,599,812 | Apr 12, 2016, 04:20 PM |
| Tamkin Gregory S | 10% Owner | Mar 30, 2016 | Sale | $10.26 | 25,000 | 256,500 | 1,624,812 | Mar 31, 2016, 09:22 AM |
| Gaulding John | Director | Feb 17, 2016 | Sale | $5.68 | 10,977 | 62,349 | 18,813 | Feb 19, 2016, 04:21 PM |
| RIZZONE STEPHEN R | President and CEO | Nov 20, 2015 | Buy | $6.90 | 22,000 | 151,800 | 76,362 | Nov 23, 2015, 09:03 AM |
| Tamkin Gregory S | 10% Owner | Nov 06, 2015 | Sale | $8.12 | 50,000 | 406,000 | 1,649,812 | Nov 10, 2015, 04:35 PM |
| Tamkin Gregory S | 10% Owner | Oct 29, 2015 | Sale | $7.75 | 25,000 | 193,750 | 1,699,812 | Oct 30, 2015, 04:09 PM |
| Tamkin Gregory S | 10% Owner | Sep 23, 2015 | Sale | $7.50 | 25,000 | 187,500 | 1,724,812 | Sep 25, 2015, 04:33 PM |
| Tamkin Gregory S | 10% Owner | Sep 21, 2015 | Sale | $7.05 | 25,000 | 176,250 | 1,749,812 | Sep 23, 2015, 04:31 PM |
| RIZZONE STEPHEN R | President and CEO | Aug 26, 2015 | Buy | $6.09 | 2,000 | 12,180 | 54,362 | Aug 28, 2015, 09:17 AM |
| RIZZONE STEPHEN R | President and CEO | Aug 26, 2015 | Buy | $5.98 | 700 | 4,186 | 53,062 | Aug 27, 2015, 07:55 AM |
| RIZZONE STEPHEN R | President and CEO | Aug 25, 2015 | Buy | $6.20 | 5,000 | 31,000 | 52,362 | Aug 26, 2015, 08:56 AM |
| Johnston Cesar | Senior VP of Engineering | Jul 15, 2015 | Sale | $8.36 | 9,450 | 79,002 | 36,220 | Jul 15, 2015, 05:21 PM |
| RIZZONE STEPHEN R | President and CEO | Jul 09, 2015 | Sale | $7.40 | 217 | 1,606 | 47,362 | Jul 13, 2015, 04:50 PM |
| Leabman Michael Aaron | Chief Technology Officer | Jul 09, 2015 | Sale | $7.40 | 24 | 178 | 80,235 | Jul 13, 2015, 04:49 PM |
| Johnston Cesar | Senior VP of Engineering | Jul 09, 2015 | Sale | $7.40 | 46 | 340 | 20,670 | Jul 13, 2015, 04:47 PM |
| Holmes George B | VP of Sales and Marketing | Jul 09, 2015 | Sale | $7.38 | 34 | 251 | 8,815 | Jul 13, 2015, 04:45 PM |
| Gaulding John | Director | Jul 09, 2015 | Sale | $7.40 | 13 | 96 | 16 | Jul 13, 2015, 04:43 PM |
| Tamkin Gregory S | 10% Owner | Jun 23, 2015 | Sale | $8.44 | 75,000 | 633,000 | 1,774,812 | Jun 25, 2015, 07:08 AM |
| Tamkin Gregory S | 10% Owner | Apr 10, 2015 | Sale | $9.07 | 14,437 | 130,944 | 1,849,812 | Apr 14, 2015, 04:06 PM |
| Tamkin Gregory S | 10% Owner | Apr 08, 2015 | Sale | $9.03 | 20,000 | 180,600 | 1,874,812 | Apr 10, 2015, 01:29 PM |
| Tamkin Gregory S | 10% Owner | Apr 09, 2015 | Sale | $9.04 | 10,563 | 95,490 | 1,864,249 | Apr 10, 2015, 01:29 PM |
| Johnston Cesar | Senior VP of Engineering | Apr 07, 2015 | Sale | $8.81 | 7,900 | 69,599 | 19,100 | Apr 08, 2015, 04:36 PM |
| Tamkin Gregory S | 10% Owner | Apr 01, 2015 | Sale | $9.22 | 15,000 | 138,300 | 1,894,812 | Apr 02, 2015, 04:28 PM |
| Tamkin Gregory S | 10% Owner | Mar 31, 2015 | Sale | $9.51 | 15,000 | 142,650 | 1,909,812 | Apr 02, 2015, 04:28 PM |
| Holmes George B | VP of Sales and Marketing | Mar 31, 2015 | Sale | $9.70 | 3,078 | 29,857 | 8,733 | Apr 01, 2015, 04:08 PM |
| RIZZONE STEPHEN R | President and CEO | Mar 27, 2014 | Buy | $6.00 | 33,000 | 198,000 | 33,000 | Jan 06, 2015, 04:30 PM |
| Johnston Cesar | Senior VP of Engineering | Dec 10, 2014 | Buy | $7.00 | 7,000 | 49,000 | 7,000 | Dec 12, 2014, 05:27 PM |
| RIZZONE STEPHEN R | President and CEO | Dec 10, 2014 | Buy | $7.00 | 14,000 | 98,000 | 14,000 | Dec 12, 2014, 05:27 PM |
| Holmes George B | VP of Sales and Marketing | Jun 20, 2014 | Buy | $13.74 | 602 | 8,271 | 602 | Jun 20, 2014, 06:32 PM |
| Owner | Relationship | Date | Transaction | Value($) |
| Sereda Brian J | Senior Vice President & CFO | May 15, 2020 | Sale | 20,378 |
| Sahejpal Neeraj | Senior VP, Product Marketing | May 15, 2020 | Sale | 18,726 |
| Johnston Cesar | COO & EVP, Engineering | May 15, 2020 | Sale | 44,752 |
| Alexopoulos Nicolaos G. | Director | May 13, 2020 | Sale | 10,233 |
| Johnston Cesar | COO & EVP, Engineering | Mar 27, 2020 | Sale | 6,419 |
| Sereda Brian J | Senior Vice President & CFO | Feb 21, 2020 | Sale | 4,830 |
| Sereda Brian J | Senior Vice President & CFO | Feb 21, 2020 | Sale | 4,830 |
| Johnston Cesar | COO & EVP, Engineering | Feb 21, 2020 | Sale | 6,900 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Feb 21, 2020 | Sale | 5,658 |
| Johnston Cesar | COO & EVP, Engineering | Feb 14, 2020 | Sale | 12,371 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Feb 14, 2020 | Sale | 5,465 |
| Sereda Brian J | Senior Vice President & CFO | Feb 14, 2020 | Sale | 6,466 |
| Sereda Brian J | Senior Vice President & CFO | Jan 02, 2020 | Sale | 8,837 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jan 02, 2020 | Sale | 7,277 |
| Johnston Cesar | COO & EVP, Engineering | Jan 02, 2020 | Sale | 16,929 |
| Johnston Cesar | COO & EVP, Engineering | Dec 27, 2019 | Sale | 7,232 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 17, 2019 | Sale | 1,701 |
| RIZZONE STEPHEN R | CEO and President | Dec 04, 2019 | Buy | 19,986 |
| Johnston Cesar | COO & EVP, Engineering | Dec 02, 2019 | Sale | 44,877 |
| RIZZONE STEPHEN R | CEO and President | Nov 22, 2019 | Buy | 44,746 |
| Sereda Brian J | Senior Vice President & CFO | Nov 15, 2019 | Sale | 7,006 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Nov 15, 2019 | Sale | 5,605 |
| Johnston Cesar | COO & EVP, Engineering | Nov 15, 2019 | Sale | 13,387 |
| Gaulding John | Director | Nov 15, 2019 | Sale | 24,740 |
| Gaulding John | Director | Nov 14, 2019 | Sale | 29,103 |
| Gaulding John | Director | Nov 13, 2019 | Sale | 68,957 |
| Johnston Cesar | COO & EVP, Engineering | Sep 27, 2019 | Sale | 13,489 |
| Sereda Brian J | Senior Vice President & CFO | Aug 16, 2019 | Sale | 36,921 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Aug 16, 2019 | Sale | 20,943 |
| Johnston Cesar | COO & EVP, Engineering | Aug 16, 2019 | Sale | 60,412 |
| Sereda Brian J | Senior Vice President & CFO | Jul 12, 2019 | Sale | 70,227 |
| Johnston Cesar | COO & EVP, Engineering | Jun 28, 2019 | Sale | 18,109 |
| Sereda Brian J | Senior Vice President & CFO | May 28, 2019 | Sale | 90,286 |
| Sereda Brian J | Senior Vice President & CFO | May 29, 2019 | Sale | 59,741 |
| Alexopoulos Nicolaos G. | Director | May 22, 2019 | Sale | 16,154 |
| Sereda Brian J | Senior Vice President & CFO | Apr 02, 2019 | Sale | 16,686 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Apr 02, 2019 | Sale | 16,222 |
| Johnston Cesar | COO & EVP, Engineering | Apr 02, 2019 | Sale | 33,372 |
| Johnston Cesar | EVP, Engineering & Operations | Feb 04, 2019 | Sale | 25,538 |
| Sereda Brian J | Senior Vice President & CFO | Feb 04, 2019 | Sale | 25,538 |
| Sereda Brian J | Senior Vice President & CFO | Jan 30, 2019 | Sale | 28,061 |
| RIZZONE STEPHEN R | CEO and President | Jan 30, 2019 | Option Exercise | 329,159 |
| Johnston Cesar | EVP, Engineering & Operations | Jan 30, 2019 | Sale | 59,859 |
| Johnston Cesar | EVP, Engineering & Operations | Jan 02, 2019 | Sale | 43,281 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jan 02, 2019 | Sale | 25,247 |
| Sereda Brian J | Senior Vice President & CFO | Jan 02, 2019 | Sale | 30,661 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 17, 2018 | Sale | 5,850 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Nov 12, 2018 | Sale | 24,101 |
| RIZZONE STEPHEN R | CEO and President | Sep 17, 2018 | Option Exercise | 336,237 |
| Sereda Brian J | Senior Vice President & CFO | Aug 20, 2018 | Sale | 50,467 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Aug 20, 2018 | Sale | 38,624 |
| Johnston Cesar | EVP, Engineering & Operations | Aug 20, 2018 | Sale | 134,448 |
| Johnston Cesar | EVP, Engineering & Operations | Jul 16, 2018 | Sale | 136,484 |
| Sereda Brian J | Senior Vice President & CFO | Jul 16, 2018 | Sale | 163,843 |
| Gaulding John | Director | Jun 15, 2018 | Sale | 65,964 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jun 14, 2018 | Sale | 80,313 |
| Sereda Brian J | Senior Vice President & CFO | Jun 06, 2018 | Sale | 28,035 |
| Johnston Cesar | EVP, Engineering & Operations | Jun 06, 2018 | Sale | 56,077 |
| Johnston Cesar | EVP, Engineering & Operations | Mar 13, 2018 | Sale | 56,875 |
| Leabman Michael Aaron | Director | Mar 08, 2018 | Option Exercise | 480,000 |
| Leabman Michael Aaron | Director | Mar 09, 2018 | Option Exercise | 120,000 |
| Leabman Michael Aaron | Director | Mar 08, 2018 | Sale | 1,757,640 |
| Leabman Michael Aaron | Director | Mar 09, 2018 | Sale | 437,938 |
| Leabman Michael Aaron | Director | Feb 21, 2018 | Option Exercise | 312,000 |
| Johnston Cesar | EVP, Engineering & Operations | Mar 06, 2018 | Sale | 253,849 |
| Johnston Cesar | Senior VP, Engineering | Feb 26, 2018 | Sale | 78,559 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Feb 26, 2018 | Sale | 63,110 |
| Sereda Brian J | Senior Vice President & CFO | Feb 26, 2018 | Sale | 372,524 |
| RIZZONE STEPHEN R | CEO and President | Feb 23, 2018 | Sale | 675,000 |
| Leabman Michael Aaron | Director | Feb 21, 2018 | Sale | 1,040,556 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Feb 21, 2018 | Sale | 100,670 |
| Gaulding John | Director | Jan 03, 2018 | Sale | 268,714 |
| RIZZONE STEPHEN R | CEO and President | Dec 29, 2017 | Sale | 1,953,000 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 28, 2017 | Sale | 99,114 |
| Leabman Michael Aaron | Chief Technology Officer | Dec 27, 2017 | Sale | 609,208 |
| Gaulding John | Director | Dec 29, 2017 | Sale | 741,431 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 19, 2017 | Sale | 8,539 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Dec 14, 2017 | Sale | 11,772 |
| Sereda Brian J | Senior Vice President & CFO | Dec 14, 2017 | Sale | 7,885 |
| RIZZONE STEPHEN R | CEO and President | Dec 04, 2017 | Option Exercise | 79,548 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Nov 13, 2017 | Sale | 26,624 |
| Johnston Cesar | Senior VP, Engineering | Sep 26, 2017 | Sale | 188,316 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Sep 11, 2017 | Sale | 123,651 |
| Sereda Brian J | Senior Vice President & CFO | Sep 08, 2017 | Sale | 445,043 |
| Johnston Cesar | Senior VP, Engineering | Aug 21, 2017 | Sale | 71,389 |
| Johnston Cesar | Senior VP, Engineering | Aug 23, 2017 | Sale | 19,750 |
| Sereda Brian J | Senior Vice President & CFO | Aug 21, 2017 | Sale | 44,240 |
| Leabman Michael Aaron | Chief Technology Officer | Aug 21, 2017 | Sale | 97,932 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Aug 21, 2017 | Sale | 34,507 |
| Johnston Cesar | Senior VP, Engineering | Jul 17, 2017 | Sale | 152,130 |
| Sereda Brian J | Senior Vice President & CFO | Jul 14, 2017 | Sale | 183,526 |
| Leabman Michael Aaron | Chief Technology Officer | Jun 19, 2017 | Option Exercise | 700,000 |
| Sereda Brian J | Vice President & CFO | Jun 14, 2017 | Sale | 14,975 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jun 14, 2017 | Sale | 25,592 |
| Gaulding John | Director | Jun 14, 2017 | Sale | 33,911 |
| Sahejpal Neeraj | Senior VP, Product Marketing | Jun 01, 2017 | Sale | 31,000 |
| Johnston Cesar | Senior VP, Engineering | Mar 16, 2017 | Sale | 587,486 |
| Sereda Brian J | Vice President & CFO | Jan 12, 2017 | Sale | 2,984 |
| Johnston Cesar | Senior VP, Engineering | Jan 12, 2017 | Sale | 5,987 |
| Leabman Michael Aaron | Chief Technology Officer | Jan 12, 2017 | Sale | 2,984 |
| Gaulding John | Director | Jan 06, 2017 | Sale | 248,071 |
| Gaulding John | Director | Dec 15, 2016 | Option Exercise | 94,875 |
| Gaulding John | Director | Dec 15, 2016 | Sale | 323,175 |
| Leabman Michael Aaron | Chief Technology Officer | Nov 14, 2016 | Sale | 61,610 |
| Sereda Brian J | Vice President & CFO | Nov 14, 2016 | Sale | 25,664 |
| Gaulding John | Director | Nov 11, 2016 | Sale | 11,233 |
| Johnston Cesar | Senior VP, Engineering | Nov 11, 2016 | Sale | 254,614 |
| Johnston Cesar | Senior VP, Engineering | Nov 10, 2016 | Sale | 574,776 |
| Gaulding John | Director | Aug 18, 2016 | Sale | 5,062 |
| Sereda Brian J | Vice President and CFO | Aug 12, 2016 | Option Exercise | 154,508 |
| Johnston Cesar | Senior VP of Engineering | Aug 12, 2016 | Option Exercise | 139,593 |
| Leabman Michael Aaron | Chief Technology Officer | Aug 12, 2016 | Option Exercise | 9,299 |
| Tamkin Gregory S | 10% Owner | Jun 01, 2016 | Sale | 264,250 |
| Tamkin Gregory S | 10% Owner | Apr 11, 2016 | Sale | 254,500 |
| Tamkin Gregory S | 10% Owner | Mar 30, 2016 | Sale | 256,500 |
| Gaulding John | Director | Feb 17, 2016 | Sale | 62,349 |
| RIZZONE STEPHEN R | President and CEO | Nov 20, 2015 | Buy | 151,800 |
| Tamkin Gregory S | 10% Owner | Nov 06, 2015 | Sale | 406,000 |
| Tamkin Gregory S | 10% Owner | Oct 29, 2015 | Sale | 193,750 |
| Tamkin Gregory S | 10% Owner | Sep 23, 2015 | Sale | 187,500 |
| Tamkin Gregory S | 10% Owner | Sep 21, 2015 | Sale | 176,250 |
| RIZZONE STEPHEN R | President and CEO | Aug 26, 2015 | Buy | 12,180 |
| RIZZONE STEPHEN R | President and CEO | Aug 26, 2015 | Buy | 4,186 |
| RIZZONE STEPHEN R | President and CEO | Aug 25, 2015 | Buy | 31,000 |
| Johnston Cesar | Senior VP of Engineering | Jul 15, 2015 | Sale | 79,002 |
| RIZZONE STEPHEN R | President and CEO | Jul 09, 2015 | Sale | 1,606 |
| Leabman Michael Aaron | Chief Technology Officer | Jul 09, 2015 | Sale | 178 |
| Johnston Cesar | Senior VP of Engineering | Jul 09, 2015 | Sale | 340 |
| Holmes George B | VP of Sales and Marketing | Jul 09, 2015 | Sale | 251 |
| Gaulding John | Director | Jul 09, 2015 | Sale | 96 |
| Tamkin Gregory S | 10% Owner | Jun 23, 2015 | Sale | 633,000 |
| Tamkin Gregory S | 10% Owner | Apr 10, 2015 | Sale | 130,944 |
| Tamkin Gregory S | 10% Owner | Apr 08, 2015 | Sale | 180,600 |
| Tamkin Gregory S | 10% Owner | Apr 09, 2015 | Sale | 95,490 |
| Johnston Cesar | Senior VP of Engineering | Apr 07, 2015 | Sale | 69,599 |
| Tamkin Gregory S | 10% Owner | Apr 01, 2015 | Sale | 138,300 |
| Tamkin Gregory S | 10% Owner | Mar 31, 2015 | Sale | 142,650 |
| Holmes George B | VP of Sales and Marketing | Mar 31, 2015 | Sale | 29,857 |
| RIZZONE STEPHEN R | President and CEO | Mar 27, 2014 | Buy | 198,000 |
| Johnston Cesar | Senior VP of Engineering | Dec 10, 2014 | Buy | 49,000 |
| RIZZONE STEPHEN R | President and CEO | Dec 10, 2014 | Buy | 98,000 |
| Holmes George B | VP of Sales and Marketing | Jun 20, 2014 | Buy | 8,271 |