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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 15 2021 | ALTR | Altair Engineering ... | Morof Howard N | Chief Financial Off ... | Sell | S | 62.73 | 700 | 43,912 | 297,555 | 298.3 K to 297.6 K (-0.23 %) |
| Jan 15 2021 | ALTR | Altair Engineering ... | Morof Howard N | Chief Financial Off ... | Sell | S | 61.91 | 3,300 | 204,316 | 298,255 | 301.6 K to 298.3 K (-1.09 %) |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 50,000 | 0 | 7,056,728 | |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 50,000 | 0 | 7,106,728 | |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 63.01 | 10,207 | 643,102 | 0 | 10.2 K to 0 (-100.00 %) |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 62.46 | 39,793 | 2,485,272 | 10,207 | 50 K to 10.2 K (-79.59 %) |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 50,000 | 0 | 50,000 | 0 to 50 K |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 60.05 | 50,000 | 3,002,550 | 0 | 50 K to 0 (-100.00 %) |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 50,000 | 0 | 50,000 | 0 to 50 K |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Option Exercise | C | 0.00 | 50,000 | 0 | 7,056,728 | |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Option Exercise | C | 0.00 | 50,000 | 0 | 7,106,728 | |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 63.01 | 10,207 | 643,102 | 0 | 10.2 K to 0 (-100.00 %) |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 62.46 | 39,793 | 2,485,272 | 10,207 | 50 K to 10.2 K (-79.59 %) |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Buy | C | 0.00 | 50,000 | 0 | 50,000 | 0 to 50 K |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 60.05 | 50,000 | 3,002,550 | 0 | 50 K to 0 (-100.00 %) |
| Jan 13 2021 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Buy | C | 0.00 | 50,000 | 0 | 50,000 | 0 to 50 K |
| Dec 21 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Option Exercise | C | 0.00 | 3,906 | 0 | 10,875,996 | |
| Dec 21 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 58.33 | 1,000 | 58,332 | 0 | 1,000 to 0 (-100.00 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 57.67 | 2,906 | 167,583 | 1,000 | 3.9 K to 1,000 (-74.40 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Buy | C | 0.00 | 3,906 | 0 | 3,906 | 0 to 3.9 K |
| Dec 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 2,070 | 0 | 7,134,004 | |
| Dec 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 3,906 | 0 | 10,875,996 | |
| Dec 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 58.28 | 554 | 32,285 | 0 | 554 to 0 (-100.00 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 57.65 | 1,516 | 87,390 | 554 | 2.1 K to 554 (-73.24 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 2,070 | 0 | 2,070 | 0 to 2.1 K |
| Dec 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 58.33 | 1,000 | 58,332 | 0 | 1,000 to 0 (-100.00 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 57.67 | 2,906 | 167,583 | 1,000 | 3.9 K to 1,000 (-74.40 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 3,906 | 0 | 3,906 | 0 to 3.9 K |
| Dec 21 2020 | ALTR | Altair Engineering ... | Maitra Raoul | Chief Legal Officer | Option Exercise | M | 0.64 | 5,500 | 3,520 | 0 | |
| Dec 21 2020 | ALTR | Altair Engineering ... | Maitra Raoul | Chief Legal Officer | Buy | M | 0.64 | 5,500 | 3,520 | 12,217 | 6.7 K to 12.2 K (+81.88 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 57.13 | 1,044 | 59,644 | 18,025 | 19.1 K to 18 K (-5.47 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Option Exercise | C | 0.00 | 2,070 | 0 | 7,134,004 | |
| Dec 21 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 58.28 | 554 | 32,285 | 0 | 554 to 0 (-100.00 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 57.65 | 1,516 | 87,390 | 554 | 2.1 K to 554 (-73.24 %) |
| Dec 21 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Buy | C | 0.00 | 2,070 | 0 | 2,070 | 0 to 2.1 K |
| Dec 18 2020 | ALTR | Altair Engineering ... | Morof Howard N | Chief Financial Off ... | Sell | S | 57.12 | 4,000 | 228,468 | 301,555 | 305.6 K to 301.6 K (-1.31 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Option Exercise | C | 0.00 | 18,082 | 0 | 10,879,902 | |
| Dec 17 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Option Exercise | C | 0.00 | 18,012 | 0 | 10,897,984 | |
| Dec 17 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 57.57 | 400 | 23,028 | 0 | 400 to 0 (-100.00 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 57.00 | 17,682 | 1,007,945 | 400 | 18.1 K to 400 (-97.79 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Buy | C | 0.00 | 18,082 | 0 | 18,082 | 0 to 18.1 K |
| Dec 17 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 57.07 | 5,314 | 303,281 | 0 | 5.3 K to 0 (-100.00 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 56.73 | 12,698 | 720,370 | 5,314 | 18 K to 5.3 K (-70.50 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Buy | C | 0.00 | 18,012 | 0 | 18,012 | 0 to 18 K |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 8,983 | 0 | 7,136,074 | |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 18,082 | 0 | 10,879,902 | |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 8,947 | 0 | 7,145,057 | |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 18,012 | 0 | 10,897,984 | |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 57.55 | 104 | 5,986 | 0 | 104 to 0 (-100.00 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 57.01 | 8,879 | 506,147 | 104 | 9 K to 104 (-98.84 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 8,983 | 0 | 8,983 | 0 to 9 K |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 57.57 | 400 | 23,028 | 0 | 400 to 0 (-100.00 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 57.00 | 17,682 | 1,007,945 | 400 | 18.1 K to 400 (-97.79 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 18,082 | 0 | 18,082 | 0 to 18.1 K |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 56.88 | 8,347 | 474,794 | 0 | 8.3 K to 0 (-100.00 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 56.12 | 600 | 33,670 | 8,347 | 8.9 K to 8.3 K (-6.71 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 8,947 | 0 | 8,947 | 0 to 8.9 K |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 57.07 | 5,314 | 303,281 | 0 | 5.3 K to 0 (-100.00 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 56.73 | 12,698 | 720,370 | 5,314 | 18 K to 5.3 K (-70.50 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 18,012 | 0 | 18,012 | 0 to 18 K |
| Dec 17 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Option Exercise | C | 0.00 | 8,983 | 0 | 7,136,074 | |
| Dec 17 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Option Exercise | C | 0.00 | 8,947 | 0 | 7,145,057 | |
| Dec 17 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 57.55 | 104 | 5,986 | 0 | 104 to 0 (-100.00 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 57.01 | 8,879 | 506,147 | 104 | 9 K to 104 (-98.84 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Buy | C | 0.00 | 8,983 | 0 | 8,983 | 0 to 9 K |
| Dec 17 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 56.88 | 8,347 | 474,794 | 0 | 8.3 K to 0 (-100.00 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 56.12 | 600 | 33,670 | 8,347 | 8.9 K to 8.3 K (-6.71 %) |
| Dec 17 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Buy | C | 0.00 | 8,947 | 0 | 8,947 | 0 to 8.9 K |
| Dec 14 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | M | 5.18 | 57,915 | 300,000 | 30,000 | |
| Dec 14 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | M | 5.18 | 57,915 | 300,000 | 105,551 | 47.6 K to 105.6 K (+121.58 %) |
| Dec 07 2020 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 52.97 | 2,313 | 122,529 | 19,069 | 21.4 K to 19.1 K (-10.82 %) |
| Dec 07 2020 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 51.94 | 687 | 35,681 | 21,382 | 22.1 K to 21.4 K (-3.11 %) |
| Dec 03 2020 | ALTR | Altair Engineering ... | Siudara Andrea | Chief Information O ... | Option Exercise | A | 52.03 | 22,500 | 1,170,675 | 22,500 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Option Exercise | A | 52.03 | 22,500 | 1,170,675 | 22,500 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Saravia Gilma | Chief People Office ... | Option Exercise | A | 52.03 | 22,500 | 1,170,675 | 22,500 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Srikanth Mahalingam | See Remarks | Option Exercise | A | 52.03 | 22,500 | 1,170,675 | 22,500 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Messano Amy | Chief Marketing Off ... | Option Exercise | A | 52.03 | 22,500 | 1,170,675 | 22,500 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Option Exercise | A | 52.03 | 12,000 | 624,360 | 12,000 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Schramm Uwe | See Remarks | Option Exercise | A | 52.03 | 22,500 | 1,170,675 | 22,500 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Simon David L | Chief Administrativ ... | Option Exercise | A | 52.03 | 12,000 | 624,360 | 12,000 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Morof Howard N | Chief Financial Off ... | Option Exercise | A | 52.03 | 12,000 | 624,360 | 12,000 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Maitra Raoul | Chief Legal Officer | Option Exercise | A | 52.03 | 12,000 | 624,360 | 12,000 | |
| Dec 03 2020 | ALTR | Altair Engineering ... | Dias Nelson | Chief Revenue Offic ... | Option Exercise | A | 52.03 | 22,500 | 1,170,675 | 22,500 | |
| Nov 27 2020 | ALTR | Altair Engineering ... | Dias Nelson | Chief Revenue Offic ... | Option Exercise | M | 0.64 | 4,000 | 2,560 | 0 | |
| Nov 27 2020 | ALTR | Altair Engineering ... | Dias Nelson | Chief Revenue Offic ... | Sell | S | 52.06 | 4,000 | 208,256 | 25,526 | 29.5 K to 25.5 K (-13.55 %) |
| Nov 27 2020 | ALTR | Altair Engineering ... | Dias Nelson | Chief Revenue Offic ... | Buy | M | 0.64 | 4,000 | 2,560 | 29,526 | 25.5 K to 29.5 K (+15.67 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 10,535 | 0 | 7,154,004 | |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 20,994 | 0 | 10,915,996 | |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 9,465 | 0 | 7,164,539 | |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 19,006 | 0 | 10,936,990 | |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 49.46 | 5,583 | 276,141 | 0 | 5.6 K to 0 (-100.00 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 49.02 | 4,952 | 242,767 | 5,583 | 10.5 K to 5.6 K (-47.01 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 10,535 | 0 | 10,535 | 0 to 10.5 K |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 49.50 | 8,631 | 427,260 | 0 | 8.6 K to 0 (-100.00 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 49.10 | 12,363 | 606,999 | 8,631 | 21 K to 8.6 K (-58.89 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 20,994 | 0 | 20,994 | 0 to 21 K |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 49.43 | 2,312 | 114,271 | 0 | 2.3 K to 0 (-100.00 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 48.96 | 7,153 | 350,211 | 2,312 | 9.5 K to 2.3 K (-75.57 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 9,465 | 0 | 9,465 | 0 to 9.5 K |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 49.44 | 3,898 | 192,725 | 0 | 3.9 K to 0 (-100.00 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 48.98 | 15,108 | 739,945 | 3,898 | 19 K to 3.9 K (-79.49 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Buy | C | 0.00 | 19,006 | 0 | 19,006 | 0 to 19 K |
| Nov 18 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Option Exercise | C | 0.00 | 10,535 | 0 | 7,154,004 | |
| Nov 18 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Option Exercise | C | 0.00 | 9,465 | 0 | 7,164,539 | |
| Nov 18 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 49.46 | 5,583 | 276,141 | 0 | 5.6 K to 0 (-100.00 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 49.02 | 4,952 | 242,767 | 5,583 | 10.5 K to 5.6 K (-47.01 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Buy | C | 0.00 | 10,535 | 0 | 10,535 | 0 to 10.5 K |
| Nov 18 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 49.43 | 2,312 | 114,271 | 0 | 2.3 K to 0 (-100.00 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Sell | S | 48.96 | 7,153 | 350,211 | 2,312 | 9.5 K to 2.3 K (-75.57 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | JRS Investments LLC | 10% Owner | Buy | C | 0.00 | 9,465 | 0 | 9,465 | 0 to 9.5 K |
| Nov 18 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Option Exercise | C | 0.00 | 20,994 | 0 | 10,915,996 | |
| Nov 18 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Option Exercise | C | 0.00 | 19,006 | 0 | 10,936,990 | |
| Nov 18 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 49.50 | 8,631 | 427,260 | 0 | 8.6 K to 0 (-100.00 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 49.10 | 12,363 | 606,999 | 8,631 | 21 K to 8.6 K (-58.89 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Buy | C | 0.00 | 20,994 | 0 | 20,994 | 0 to 21 K |
| Nov 18 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 49.44 | 3,898 | 192,725 | 0 | 3.9 K to 0 (-100.00 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Sell | S | 48.98 | 15,108 | 739,945 | 3,898 | 19 K to 3.9 K (-79.49 %) |
| Nov 18 2020 | ALTR | Altair Engineering ... | James R. Scapa Declaration of ... | 10% Owner | Buy | C | 0.00 | 19,006 | 0 | 19,006 | 0 to 19 K |
| Nov 16 2020 | ALTR | Altair Engineering ... | Srikanth Mahalingam | See Remarks | Option Exercise | M | 0.64 | 13,181 | 8,436 | 6,819 | |
| Nov 16 2020 | ALTR | Altair Engineering ... | Srikanth Mahalingam | See Remarks | Sell | S | 49.05 | 9,000 | 441,423 | 18,775 | 27.8 K to 18.8 K (-32.40 %) |
| Nov 16 2020 | ALTR | Altair Engineering ... | Srikanth Mahalingam | See Remarks | Buy | M | 0.64 | 13,181 | 8,436 | 27,775 | 14.6 K to 27.8 K (+90.32 %) |
| Nov 16 2020 | ALTR | Altair Engineering ... | Hart Richard | Director | Option Exercise | M | 5.18 | 8,000 | 41,440 | 16,000 | |
| Nov 16 2020 | ALTR | Altair Engineering ... | Hart Richard | Director | Sell | S | 48.98 | 8,000 | 391,800 | 9,000 | 17 K to 9 K (-47.06 %) |
| Nov 16 2020 | ALTR | Altair Engineering ... | Hart Richard | Director | Buy | M | 5.18 | 8,000 | 41,440 | 17,000 | 9 K to 17 K (+88.89 %) |
| Nov 13 2020 | ALTR | Altair Engineering ... | Siudara Andrea | Chief Information O ... | Sell | S | 48.77 | 1,438 | 70,131 | 19,062 | 20.5 K to 19.1 K (-7.01 %) |
| Nov 13 2020 | ALTR | Altair Engineering ... | Morof Howard N | Chief Financial Off ... | Sell | S | 49.05 | 4,000 | 196,196 | 305,555 | 309.6 K to 305.6 K (-1.29 %) |
| Nov 13 2020 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 50.39 | 150 | 7,559 | 22,069 | 22.2 K to 22.1 K (-0.68 %) |
| Nov 13 2020 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 49.70 | 2,850 | 141,645 | 22,219 | 25.1 K to 22.2 K (-11.37 %) |
| Nov 12 2020 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Option Exercise | C | 0.00 | 100,000 | 0 | 7,256,728 | |
| Nov 12 2020 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 49.15 | 13,164 | 647,037 | 0 | 13.2 K to 0 (-100.00 %) |
| Nov 12 2020 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Sell | S | 48.55 | 86,836 | 4,216,148 | 13,164 | 100 K to 13.2 K (-86.84 %) |
| Nov 12 2020 | ALTR | Altair Engineering ... | Christ Revocable Trust | 10% Owner | Buy | C | 0.00 | 100,000 | 0 | 100,000 | 0 to 100 K |
| Nov 12 2020 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Option Exercise | C | 0.00 | 100,000 | 0 | 7,256,728 | |
| Nov 12 2020 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 49.15 | 13,164 | 647,037 | 0 | 13.2 K to 0 (-100.00 %) |
| Nov 12 2020 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Sell | S | 48.55 | 86,836 | 4,216,148 | 13,164 | 100 K to 13.2 K (-86.84 %) |
| Nov 12 2020 | ALTR | Altair Engineering ... | Christ George J | 10% Owner | Buy | C | 0.00 | 100,000 | 0 | 100,000 | 0 to 100 K |
| Nov 12 2020 | ALTR | Altair Engineering ... | Schramm Uwe | See Remarks | Option Exercise | M | 5.18 | 5,000 | 25,900 | 30,336 | |
| Nov 12 2020 | ALTR | Altair Engineering ... | Schramm Uwe | See Remarks | Sell | S | 48.89 | 547 | 26,744 | 41,847 | 42.4 K to 41.8 K (-1.29 %) |
| Nov 12 2020 | ALTR | Altair Engineering ... | Schramm Uwe | See Remarks | Sell | S | 48.32 | 4,453 | 215,165 | 42,394 | 46.8 K to 42.4 K (-9.51 %) |
| Nov 12 2020 | ALTR | Altair Engineering ... | Schramm Uwe | See Remarks | Buy | M | 5.18 | 5,000 | 25,900 | 46,847 | 41.8 K to 46.8 K (+11.95 %) |
| Nov 10 2020 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Option Exercise | M | 0.00 | 8,000 | 0 | 584,452 | |
| Nov 10 2020 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Sell | S | 48.93 | 2,000 | 97,862 | 6,054 | 8.1 K to 6.1 K (-24.83 %) |
| Nov 10 2020 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Sell | S | 47.96 | 4,258 | 204,231 | 8,054 | 12.3 K to 8.1 K (-34.58 %) |
| Nov 10 2020 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Sell | S | 46.83 | 900 | 42,148 | 12,312 | 13.2 K to 12.3 K (-6.81 %) |
| Nov 10 2020 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Sell | S | 46.11 | 842 | 38,826 | 13,212 | 14.1 K to 13.2 K (-5.99 %) |
| Nov 10 2020 | ALTR | Altair Engineering ... | Dagg James | See Remarks | Buy | M | 0.00 | 8,000 | 0 | 14,054 | 6.1 K to 14.1 K (+132.14 %) |
| Nov 02 2020 | ALTR | Altair Engineering ... | Chouinard Brett R | See Remarks | Sell | S | 44.09 | 3,000 | 132,264 | 25,069 | 28.1 K to 25.1 K (-10.69 %) |
| Oct 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 4,384 | 0 | 7,174,004 | |
| Oct 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Option Exercise | C | 0.00 | 9,126 | 0 | 10,955,996 | |
| Oct 21 2020 | ALTR | Altair Engineering ... | Scapa James Ralph | Chief Executive Off ... | Sell | S | 46.29 | 4,384 | 202,940 | 0 | 4.4 K to 0 (-100.00 %) |