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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of all insider trading transactions in Altair Engineering Inc.. Get notifications about new insider transactions in Altair Engineering Inc. for free.
| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 21 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Option Exercise | C | 0.00 | 9,940 | 0 | 10,635,996 | |
| Jun 21 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 63.43 | 200 | 12,685 | 0 | 200 to 0 (-100.00 %) |
| Jun 21 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 62.98 | 9,740 | 613,425 | 200 | 9.9 K to 200 (-97.99 %) |
| Jun 21 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Buy | C | 0.00 | 9,940 | 0 | 9,940 | 0 to 9.9 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 12,127 | 0 | 6,963,997 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 12,127 | 0 | 6,963,997 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 18,231 | 0 | 10,645,936 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 18,231 | 0 | 10,645,936 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 7,880 | 0 | 6,976,124 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 7,880 | 0 | 6,976,124 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 11,829 | 0 | 10,664,167 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 11,829 | 0 | 10,664,167 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.62 | 63 | 4,071 | 0 | 63 to 0 (-100.00 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.62 | 63 | 4,071 | 0 | 63 to 0 (-100.00 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.85 | 5,014 | 320,164 | 63 | 5.1 K to 63 (-98.76 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.85 | 5,014 | 320,164 | 63 | 5.1 K to 63 (-98.76 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.15 | 7,050 | 445,172 | 5,077 | 12.1 K to 5.1 K (-58.13 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.15 | 7,050 | 445,172 | 5,077 | 12.1 K to 5.1 K (-58.13 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 12,127 | 0 | 12,127 | 0 to 12.1 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 12,127 | 0 | 12,127 | 0 to 12.1 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.64 | 200 | 12,928 | 0 | 200 to 0 (-100.00 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.64 | 200 | 12,928 | 0 | 200 to 0 (-100.00 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.82 | 7,693 | 490,998 | 200 | 7.9 K to 200 (-97.47 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.82 | 7,693 | 490,998 | 200 | 7.9 K to 200 (-97.47 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.13 | 10,338 | 652,679 | 7,893 | 18.2 K to 7.9 K (-56.71 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.13 | 10,338 | 652,679 | 7,893 | 18.2 K to 7.9 K (-56.71 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 18,231 | 0 | 18,231 | 0 to 18.2 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 18,231 | 0 | 18,231 | 0 to 18.2 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 66.58 | 100 | 6,658 | 0 | 100 to 0 (-100.00 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 66.58 | 100 | 6,658 | 0 | 100 to 0 (-100.00 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 65.63 | 2,272 | 149,116 | 100 | 2.4 K to 100 (-95.78 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 65.63 | 2,272 | 149,116 | 100 | 2.4 K to 100 (-95.78 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.67 | 5,508 | 356,175 | 2,372 | 7.9 K to 2.4 K (-69.90 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.67 | 5,508 | 356,175 | 2,372 | 7.9 K to 2.4 K (-69.90 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 7,880 | 0 | 7,880 | 0 to 7.9 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 7,880 | 0 | 7,880 | 0 to 7.9 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 66.54 | 196 | 13,042 | 0 | 196 to 0 (-100.00 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 66.54 | 196 | 13,042 | 0 | 196 to 0 (-100.00 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 65.60 | 3,418 | 224,224 | 196 | 3.6 K to 196 (-94.58 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 65.60 | 3,418 | 224,224 | 196 | 3.6 K to 196 (-94.58 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.66 | 8,215 | 531,207 | 3,614 | 11.8 K to 3.6 K (-69.45 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.66 | 8,215 | 531,207 | 3,614 | 11.8 K to 3.6 K (-69.45 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 11,829 | 0 | 11,829 | 0 to 11.8 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 11,829 | 0 | 11,829 | 0 to 11.8 K |
| Jun 17 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Option Exercise | M | 3.84 | 1,000 | 3,840 | 0 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Option Exercise | M | 3.64 | 2,006 | 7,302 | 0 | |
| Jun 17 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 64.09 | 1,890 | 121,130 | 13,228 | 15.1 K to 13.2 K (-12.50 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 64.06 | 3,006 | 192,573 | 15,118 | 18.1 K to 15.1 K (-16.59 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Buy | M | 3.84 | 1,000 | 3,840 | 18,124 | 17.1 K to 18.1 K (+5.84 %) |
| Jun 17 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Buy | M | 3.64 | 2,006 | 7,302 | 17,124 | 15.1 K to 17.1 K (+13.27 %) |
| Jun 09 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 35,570 | 0 | 6,556,728 | |
| Jun 09 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 65.98 | 35,570 | 2,346,944 | 0 | 35.6 K to 0 (-100.00 %) |
| Jun 09 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 35,570 | 0 | 35,570 | 0 to 35.6 K |
| Jun 08 2021 | ALTR | Altair Engineering ... | Schramm Uwe | See Remarks | Option Exercise | M | 5.18 | 3,551 | 18,394 | 26,785 | |
| Jun 08 2021 | ALTR | Altair Engineering ... | Schramm Uwe | See Remarks | Sell | S | 66.63 | 3,551 | 236,600 | 43,265 | 46.8 K to 43.3 K (-7.59 %) |
| Jun 08 2021 | ALTR | Altair Engineering ... | Schramm Uwe | See Remarks | Buy | M | 5.18 | 3,551 | 18,394 | 46,816 | 43.3 K to 46.8 K (+8.21 %) |
| Jun 04 2021 | ALTR | Altair Engineering ... | Hart Richard | Director | Grant | A | 0.00 | 2,987 | 0 | 11,987 | 9 K to 12 K (+33.19 %) |
| Jun 04 2021 | ALTR | Altair Engineering ... | Earhart Stephen P | Director | Grant | A | 0.00 | 2,987 | 0 | 51,987 | 49 K to 52 K (+6.10 %) |
| May 13 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.34 | 2,230 | 143,467 | 119,290 | 121.5 K to 119.3 K (-1.84 %) |
| May 10 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 100,000 | 0 | 6,656,728 | |
| May 10 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 67.37 | 195 | 13,137 | 0 | 195 to 0 (-100.00 %) |
| May 10 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 66.50 | 1,685 | 112,044 | 195 | 1.9 K to 195 (-89.63 %) |
| May 10 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 65.44 | 98,120 | 6,421,365 | 1,880 | 100 K to 1.9 K (-98.12 %) |
| May 10 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 100,000 | 0 | 100,000 | 0 to 100 K |
| May 10 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Option Exercise | C | 0.00 | 100,000 | 0 | 6,656,728 | |
| May 10 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 67.37 | 195 | 13,137 | 0 | 195 to 0 (-100.00 %) |
| May 10 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 66.50 | 1,685 | 112,044 | 195 | 1.9 K to 195 (-89.63 %) |
| May 10 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 65.44 | 98,120 | 6,421,365 | 1,880 | 100 K to 1.9 K (-98.12 %) |
| May 10 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Buy | C | 0.00 | 100,000 | 0 | 100,000 | 0 to 100 K |
| May 05 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Option Exercise | M | 5.18 | 5,000 | 25,900 | 23,460 | |
| May 05 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 65.00 | 5,000 | 325,000 | 15,118 | 20.1 K to 15.1 K (-24.85 %) |
| May 05 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Buy | M | 5.18 | 5,000 | 25,900 | 20,118 | 15.1 K to 20.1 K (+33.07 %) |
| Apr 30 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Option Exercise | M | 5.18 | 5,000 | 25,900 | 28,460 | |
| Apr 30 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 67.45 | 5,000 | 337,240 | 15,118 | 20.1 K to 15.1 K (-24.85 %) |
| Apr 30 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Buy | M | 5.18 | 5,000 | 25,900 | 20,118 | 15.1 K to 20.1 K (+33.07 %) |
| Apr 21 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Option Exercise | M | 5.18 | 5,000 | 25,900 | 33,460 | |
| Apr 21 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 65.00 | 5,000 | 325,000 | 15,118 | 20.1 K to 15.1 K (-24.85 %) |
| Apr 21 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Buy | M | 5.18 | 5,000 | 25,900 | 20,118 | 15.1 K to 20.1 K (+33.07 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 30,000 | 0 | 7,014,004 | |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 40,000 | 0 | 10,715,996 | |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 65.99 | 300 | 19,796 | 0 | 300 to 0 (-100.00 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 65.20 | 7,258 | 473,229 | 300 | 7.6 K to 300 (-96.03 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.29 | 4,680 | 300,858 | 7,558 | 12.2 K to 7.6 K (-38.24 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.37 | 4,584 | 290,479 | 12,238 | 16.8 K to 12.2 K (-27.25 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 62.43 | 5,346 | 333,740 | 16,822 | 22.2 K to 16.8 K (-24.12 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 61.42 | 7,832 | 481,010 | 22,168 | 30 K to 22.2 K (-26.11 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 30,000 | 0 | 30,000 | 0 to 30 K |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 66.18 | 1,300 | 86,038 | 0 | 1.3 K to 0 (-100.00 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 65.20 | 7,541 | 491,681 | 1,300 | 8.8 K to 1.3 K (-85.30 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 64.30 | 5,162 | 331,896 | 8,841 | 14 K to 8.8 K (-36.86 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 63.31 | 5,900 | 373,529 | 14,003 | 19.9 K to 14 K (-29.64 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 62.35 | 5,532 | 344,920 | 19,903 | 25.4 K to 19.9 K (-21.75 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 61.42 | 14,565 | 894,553 | 25,435 | 40 K to 25.4 K (-36.41 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 40,000 | 0 | 40,000 | 0 to 40 K |
| Apr 16 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Option Exercise | C | 0.00 | 40,000 | 0 | 10,715,996 | |
| Apr 16 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 66.18 | 1,300 | 86,038 | 0 | 1.3 K to 0 (-100.00 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 65.20 | 7,541 | 491,681 | 1,300 | 8.8 K to 1.3 K (-85.30 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 64.30 | 5,162 | 331,896 | 8,841 | 14 K to 8.8 K (-36.86 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 63.31 | 5,900 | 373,529 | 14,003 | 19.9 K to 14 K (-29.64 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 62.35 | 5,532 | 344,920 | 19,903 | 25.4 K to 19.9 K (-21.75 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 61.42 | 14,565 | 894,553 | 25,435 | 40 K to 25.4 K (-36.41 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Buy | C | 0.00 | 40,000 | 0 | 40,000 | 0 to 40 K |
| Apr 16 2021 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Option Exercise | C | 0.00 | 30,000 | 0 | 7,014,004 | |
| Apr 16 2021 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 65.99 | 300 | 19,796 | 0 | 300 to 0 (-100.00 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 65.20 | 7,258 | 473,229 | 300 | 7.6 K to 300 (-96.03 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 64.29 | 4,680 | 300,858 | 7,558 | 12.2 K to 7.6 K (-38.24 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 63.37 | 4,584 | 290,479 | 12,238 | 16.8 K to 12.2 K (-27.25 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 62.43 | 5,346 | 333,740 | 16,822 | 22.2 K to 16.8 K (-24.12 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 61.42 | 7,832 | 481,010 | 22,168 | 30 K to 22.2 K (-26.11 %) |
| Apr 16 2021 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Buy | C | 0.00 | 30,000 | 0 | 30,000 | 0 to 30 K |
| Apr 15 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 15,886 | 0 | 6,756,728 | |
| Apr 15 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 64.84 | 318 | 20,619 | 0 | 318 to 0 (-100.00 %) |
| Apr 15 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 64.31 | 15,568 | 1,001,240 | 318 | 15.9 K to 318 (-98.00 %) |
| Apr 15 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 15,886 | 0 | 15,886 | 0 to 15.9 K |
| Apr 15 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Option Exercise | C | 0.00 | 15,886 | 0 | 6,756,728 | |
| Apr 15 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 64.84 | 318 | 20,619 | 0 | 318 to 0 (-100.00 %) |
| Apr 15 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 64.31 | 15,568 | 1,001,240 | 318 | 15.9 K to 318 (-98.00 %) |
| Apr 15 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Buy | C | 0.00 | 15,886 | 0 | 15,886 | 0 to 15.9 K |
| Apr 14 2021 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 65.00 | 5,000 | 325,000 | 15,118 | 20.1 K to 15.1 K (-24.85 %) |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 45,207 | 0 | 6,772,614 | |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 38,907 | 0 | 6,817,821 | |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 63.91 | 45,207 | 2,889,270 | 0 | 45.2 K to 0 (-100.00 %) |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 45,207 | 0 | 45,207 | 0 to 45.2 K |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 64.09 | 38,907 | 2,493,511 | 0 | 38.9 K to 0 (-100.00 %) |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 38,907 | 0 | 38,907 | 0 to 38.9 K |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Option Exercise | C | 0.00 | 45,207 | 0 | 6,772,614 | |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Option Exercise | C | 0.00 | 38,907 | 0 | 6,817,821 | |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 63.91 | 45,207 | 2,889,270 | 0 | 45.2 K to 0 (-100.00 %) |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Buy | C | 0.00 | 45,207 | 0 | 45,207 | 0 to 45.2 K |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 64.09 | 38,907 | 2,493,511 | 0 | 38.9 K to 0 (-100.00 %) |
| Apr 14 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Buy | C | 0.00 | 38,907 | 0 | 38,907 | 0 to 38.9 K |
| Apr 07 2021 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Option Exercise | M | 0.00 | 10,000 | 0 | 566,452 | |
| Apr 07 2021 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Sell | S | 64.50 | 10,000 | 645,000 | 8,147 | 18.1 K to 8.1 K (-55.11 %) |
| Apr 07 2021 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Buy | M | 0.00 | 10,000 | 0 | 18,147 | 8.1 K to 18.1 K (+122.74 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | Dias Nelson | Chief Revenue Offic ... | Sell | S | 59.58 | 118 | 7,030 | 26,726 | 26.8 K to 26.7 K (-0.44 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | Gayle Brian | Chief Accounting Of ... | Sell | S | 59.58 | 95 | 5,660 | 15,554 | 15.6 K to 15.6 K (-0.61 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Option Exercise | C | 0.00 | 6,998 | 0 | 10,755,996 | |
| Mar 18 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 60.54 | 2,583 | 156,370 | 0 | 2.6 K to 0 (-100.00 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 60.08 | 4,415 | 265,262 | 2,583 | 7 K to 2.6 K (-63.09 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Buy | C | 0.00 | 6,998 | 0 | 6,998 | 0 to 7 K |
| Mar 18 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Option Exercise | C | 0.00 | 100,000 | 0 | 6,856,728 | |
| Mar 18 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 61.02 | 750 | 45,767 | 0 | 750 to 0 (-100.00 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 60.39 | 99,250 | 5,994,105 | 750 | 100 K to 750 (-99.25 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Buy | C | 0.00 | 100,000 | 0 | 100,000 | 0 to 100 K |
| Mar 18 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 100,000 | 0 | 6,856,728 | |
| Mar 18 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 61.02 | 750 | 45,767 | 0 | 750 to 0 (-100.00 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 60.39 | 99,250 | 5,994,105 | 750 | 100 K to 750 (-99.25 %) |
| Mar 18 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 100,000 | 0 | 100,000 | 0 to 100 K |
| Mar 18 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 4,010 | 0 | 7,044,004 | |
| Mar 18 2021 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 6,998 | 0 | 10,755,996 |