| Lastest Insider Transactions Of Altair Engineering Inc. ( ALTR ) |
| Symbol | Company Name | Insider Name | Title | Date | Transation | Share | Price | Amount | File Date |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2021-01-13 | Sell | 4,000 | 62.06 | 248,229 | 2021-01-15 13:17:15 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2021-01-11 | Sell | 100,000 | 61.31 | 6,130,924 | 2021-01-13 13:58:44 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2021-01-11 | Sell | 100,000 | 61.31 | 6,130,924 | 2021-01-13 13:55:33 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-12-17 | Sell | 3,906 | 57.84 | 225,915 | 2020-12-21 17:37:38 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-12-17 | Sell | 5,976 | 57.83 | 345,591 | 2020-12-21 17:36:14 |
| ALTR | Altair Engineering Inc. | Maitra Raoul | Chief Legal Officer | 2020-12-17 | Option Exercise | 5,500 | 0.64 | 3,520 | 2020-12-21 17:33:45 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-12-17 | Sell | 1,044 | 57.13 | 59,644 | 2020-12-21 17:33:23 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-12-17 | Sell | 2,070 | 57.81 | 119,675 | 2020-12-21 17:29:41 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-12-16 | Sell | 4,000 | 57.12 | 228,468 | 2020-12-18 18:46:46 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-12-15 | Sell | 36,094 | 56.92 | 2,054,624 | 2020-12-17 17:58:07 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-12-15 | Sell | 54,024 | 56.92 | 3,075,221 | 2020-12-17 17:49:13 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-12-15 | Sell | 17,930 | 56.92 | 1,020,597 | 2020-12-17 17:43:28 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-12-10 | Option Exercise | 57,915 | 5.18 | 300,000 | 2020-12-14 13:22:37 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-12-04 | Sell | 36,052 | 52.96 | 1,909,170 | 2020-12-08 11:11:20 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-12-04 | Sell | 36,052 | 52.96 | 1,909,170 | 2020-12-08 10:48:49 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-12-04 | Sell | 8,000 | 52.88 | 423,000 | 2020-12-08 10:45:28 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-12-04 | Option Exercise | 8,000 | 0.00 | 0 | 2020-12-08 10:45:28 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-12-03 | Sell | 3,000 | 52.74 | 158,210 | 2020-12-07 13:54:20 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-12-02 | Sell | 63,948 | 52.89 | 3,382,504 | 2020-12-04 12:26:44 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-12-02 | Sell | 63,948 | 52.89 | 3,382,504 | 2020-12-04 12:25:24 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2020-11-25 | Sell | 4,000 | 52.06 | 208,256 | 2020-11-27 13:50:11 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2020-11-25 | Option Exercise | 4,000 | 0.64 | 2,560 | 2020-11-27 13:50:11 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-11-16 | Sell | 60,000 | 49.17 | 2,950,318 | 2020-11-18 14:54:25 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-11-16 | Sell | 20,000 | 49.17 | 983,389 | 2020-11-18 14:51:38 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-11-16 | Sell | 40,000 | 49.17 | 1,966,928 | 2020-11-18 14:45:14 |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | 2020-11-13 | Sell | 9,000 | 49.05 | 441,423 | 2020-11-16 18:39:43 |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | 2020-11-13 | Option Exercise | 13,181 | 0.64 | 8,436 | 2020-11-16 18:39:43 |
| ALTR | Altair Engineering Inc. | Hart Richard | Directior | 2020-11-13 | Sell | 8,000 | 48.98 | 391,800 | 2020-11-16 18:32:36 |
| ALTR | Altair Engineering Inc. | Hart Richard | Directior | 2020-11-13 | Option Exercise | 8,000 | 5.18 | 41,440 | 2020-11-16 18:32:36 |
| ALTR | Altair Engineering Inc. | Siudara Andrea | Chief Information Officer | 2020-11-11 | Sell | 1,438 | 48.77 | 70,131 | 2020-11-13 17:14:09 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-11-11 | Sell | 4,000 | 49.05 | 196,196 | 2020-11-13 17:12:29 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-11-12 | Sell | 3,000 | 49.73 | 149,204 | 2020-11-13 17:06:29 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-11-10 | Sell | 100,000 | 48.63 | 4,863,185 | 2020-11-12 15:34:08 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-11-10 | Sell | 100,000 | 48.63 | 4,863,185 | 2020-11-12 15:28:38 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-11-10 | Sell | 5,000 | 48.38 | 241,908 | 2020-11-12 15:17:54 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-11-10 | Option Exercise | 5,000 | 5.18 | 25,900 | 2020-11-12 15:17:54 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-11-06 | Sell | 8,000 | 47.88 | 383,067 | 2020-11-10 13:56:37 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-11-06 | Option Exercise | 8,000 | 0.00 | 0 | 2020-11-10 13:56:37 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-10-29 | Sell | 3,000 | 44.09 | 132,264 | 2020-11-02 15:58:28 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-10-19 | Sell | 13,510 | 46.29 | 625,391 | 2020-10-21 16:13:09 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-10-19 | Sell | 9,126 | 46.29 | 422,452 | 2020-10-21 15:59:16 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-10-19 | Sell | 4,384 | 46.29 | 202,940 | 2020-10-21 15:58:39 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-10-15 | Sell | 30,874 | 45.96 | 1,418,976 | 2020-10-19 17:30:45 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-10-15 | Sell | 46,490 | 45.96 | 2,136,819 | 2020-10-19 17:30:25 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-10-15 | Sell | 15,616 | 45.97 | 717,844 | 2020-10-19 17:29:44 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-10-14 | Sell | 4,000 | 46.54 | 186,164 | 2020-10-16 14:22:18 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-10-15 | Sell | 3,000 | 45.63 | 136,905 | 2020-10-16 14:21:18 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-10-09 | Sell | 45,180 | 45.44 | 2,053,011 | 2020-10-13 17:17:05 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-10-09 | Sell | 45,180 | 45.44 | 2,053,011 | 2020-10-13 17:12:54 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-10-07 | Sell | 54,820 | 45.12 | 2,473,529 | 2020-10-09 18:00:49 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-10-07 | Sell | 54,820 | 45.12 | 2,473,529 | 2020-10-09 17:59:18 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-10-06 | Sell | 5,000 | 45.00 | 225,000 | 2020-10-07 15:12:04 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-10-02 | Sell | 8,000 | 42.86 | 342,909 | 2020-10-05 17:55:02 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-10-02 | Option Exercise | 8,000 | 0.00 | 0 | 2020-10-05 17:55:02 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-10-01 | Sell | 3,000 | 42.60 | 127,806 | 2020-10-02 19:11:38 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-09-24 | Sell | 3,000 | 39.91 | 119,739 | 2020-09-25 11:35:00 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-09-17 | Sell | 4,000 | 39.77 | 159,080 | 2020-09-21 12:09:41 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-09-15 | Sell | 97,075 | 40.13 | 3,895,491 | 2020-09-17 19:13:15 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-09-15 | Sell | 40,000 | 40.42 | 1,616,904 | 2020-09-17 19:13:12 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-09-15 | Sell | 19,990 | 40.42 | 808,019 | 2020-09-17 19:02:30 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-09-10 | Sell | 3,000 | 41.05 | 123,138 | 2020-09-14 11:58:28 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-09-04 | Sell | 8,000 | 39.40 | 315,200 | 2020-09-08 17:31:04 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-09-04 | Option Exercise | 8,000 | 0.00 | 0 | 2020-09-08 17:31:04 |
| ALTR | Altair Engineering Inc. | Maitra Raoul | Chief Legal Officer | 2020-09-01 | Sell | 3,000 | 43.13 | 129,384 | 2020-09-02 12:30:13 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-08-31 | Sell | 100,000 | 42.65 | 4,265,350 | 2020-09-02 12:03:20 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-08-31 | Sell | 100,000 | 42.65 | 4,265,350 | 2020-09-02 11:58:15 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-08-27 | Sell | 3,000 | 42.58 | 127,728 | 2020-08-28 15:47:23 |
| ALTR | Altair Engineering Inc. | Simon David L | Chief Administrative Officer | 2020-08-24 | Sell | 2,500 | 41.44 | 103,593 | 2020-08-25 13:43:44 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-08-20 | Sell | 3,000 | 41.59 | 124,773 | 2020-08-21 14:11:55 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-08-17 | Sell | 60,000 | 40.84 | 2,450,199 | 2020-08-19 14:40:43 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-08-17 | Sell | 40,000 | 40.87 | 1,634,633 | 2020-08-19 14:34:42 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-08-17 | Sell | 20,000 | 40.78 | 815,566 | 2020-08-19 14:32:34 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-08-13 | Sell | 3,000 | 40.47 | 121,401 | 2020-08-14 18:54:59 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-08-13 | Sell | 4,000 | 40.24 | 160,964 | 2020-08-14 18:48:17 |
| ALTR | Altair Engineering Inc. | Messano Amy | Chief Marketing Officer | 2020-08-12 | Sell | 529 | 39.98 | 21,149 | 2020-08-14 16:45:42 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-08-07 | Sell | 8,000 | 42.04 | 336,328 | 2020-08-10 18:30:51 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-08-07 | Option Exercise | 8,000 | 0.00 | 0 | 2020-08-10 18:30:51 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-08-06 | Sell | 3,000 | 41.68 | 125,040 | 2020-08-07 12:40:46 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-08-05 | Sell | 7,802 | 42.00 | 327,684 | 2020-08-06 18:34:25 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-08-05 | Option Exercise | 2,802 | 3.84 | 10,760 | 2020-08-06 18:34:25 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | See Remarks | 2020-07-30 | Sell | 3,000 | 39.83 | 119,478 | 2020-07-31 17:46:32 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-07-21 | Sell | 50,000 | 39.31 | 1,965,600 | 2020-07-23 09:41:16 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-07-21 | Sell | 50,000 | 39.31 | 1,965,600 | 2020-07-23 09:38:21 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-07-20 | Sell | 50,000 | 39.29 | 1,964,350 | 2020-07-21 16:33:36 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-07-20 | Sell | 50,000 | 39.29 | 1,964,350 | 2020-07-21 16:27:50 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-07-17 | Sell | 6,576 | 37.83 | 248,773 | 2020-07-20 16:39:48 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-07-17 | Sell | 7,664 | 37.82 | 289,872 | 2020-07-20 16:32:12 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-07-17 | Sell | 1,088 | 37.78 | 41,099 | 2020-07-20 16:25:27 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-07-15 | Sell | 52,336 | 37.64 | 1,970,166 | 2020-07-17 15:14:09 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2020-07-15 | Sell | 33,424 | 37.65 | 1,258,431 | 2020-07-17 15:09:54 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2020-07-15 | Sell | 18,912 | 37.63 | 711,735 | 2020-07-17 15:07:47 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-07-16 | Sell | 4,000 | 37.16 | 148,644 | 2020-07-16 20:48:17 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-07-06 | Sell | 8,000 | 39.31 | 314,480 | 2020-07-08 14:59:51 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-07-06 | Option Exercise | 8,000 | 0.00 | 0 | 2020-07-08 14:59:51 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-06-16 | Sell | 4,000 | 38.21 | 152,840 | 2020-06-18 15:30:22 |
| ALTR | Altair Engineering Inc. | Maitra Raoul | Chief Legal Officer | 2020-06-15 | Option Exercise | 2,500 | 0.64 | 1,600 | 2020-06-17 14:59:02 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-06-10 | Option Exercise | 7,774 | 4.99 | 38,779 | 2020-06-12 15:37:12 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-06-05 | Sell | 8,000 | 39.96 | 319,656 | 2020-06-09 12:08:44 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-06-05 | Option Exercise | 8,000 | 0.00 | 0 | 2020-06-09 12:08:44 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2020-06-04 | Sell | 2,000 | 39.30 | 78,600 | 2020-06-08 14:35:12 |
| ALTR | Altair Engineering Inc. | Maitra Raoul | Chief Legal Officer | 2020-06-04 | Sell | 2,000 | 39.12 | 78,250 | 2020-06-08 14:29:36 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-06-03 | Sell | 3,252 | 40.00 | 130,080 | 2020-06-05 18:04:05 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-06-03 | Option Exercise | 3,252 | 3.84 | 12,488 | 2020-06-05 18:04:05 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-06-02 | Sell | 50,407 | 38.91 | 1,961,185 | 2020-06-03 16:00:00 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-06-02 | Sell | 50,407 | 38.91 | 1,961,185 | 2020-06-03 15:59:01 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-06-01 | Sell | 29,593 | 39.13 | 1,158,004 | 2020-06-02 12:56:12 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-06-01 | Sell | 29,593 | 39.13 | 1,158,004 | 2020-06-02 12:40:19 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-05-26 | Sell | 16,000 | 37.50 | 600,000 | 2020-05-27 11:39:03 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2020-05-26 | Option Exercise | 16,000 | 0.00 | 0 | 2020-05-27 11:39:03 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-05-18 | Sell | 4,000 | 33.31 | 133,260 | 2020-05-20 12:06:04 |
| ALTR | Altair Engineering Inc. | Simon David L | Chief Administrative Officer | 2020-03-16 | Sell | 168 | 24.61 | 4,135 | 2020-03-18 15:37:19 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-03-16 | Sell | 314 | 24.61 | 7,728 | 2020-03-18 15:33:38 |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | 2020-03-16 | Sell | 230 | 24.61 | 5,660 | 2020-03-18 15:27:11 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2020-03-16 | Sell | 213 | 24.61 | 5,242 | 2020-03-18 15:20:02 |
| ALTR | Altair Engineering Inc. | Messano Amy | Chief Administrative Officer | 2020-03-09 | Sell | 599 | 28.83 | 17,270 | 2020-03-11 19:04:34 |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | 2020-03-09 | Sell | 192 | 28.83 | 5,535 | 2020-03-11 19:01:52 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2020-03-09 | Sell | 2,369 | 28.83 | 68,296 | 2020-03-11 19:00:29 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2020-03-09 | Sell | 94 | 28.84 | 2,710 | 2020-03-11 19:00:10 |
| ALTR | Altair Engineering Inc. | Simon David L | Chief Administrative Officer | 2020-03-09 | Sell | 97 | 28.83 | 2,796 | 2020-03-11 18:58:15 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2020-03-09 | Sell | 226 | 28.84 | 6,517 | 2020-03-11 18:40:57 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-03-03 | Sell | 4,000 | 34.97 | 139,892 | 2020-03-04 08:26:24 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2020-02-19 | Sell | 80,000 | 38.26 | 3,060,560 | 2020-02-21 13:42:13 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2020-02-19 | Sell | 80,000 | 38.26 | 3,060,560 | 2020-02-21 13:40:56 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-01-08 | Sell | 4,000 | 38.85 | 155,396 | 2020-02-06 11:13:16 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2020-01-08 | Option Exercise | 756 | 3.84 | 2,903 | 2020-02-06 11:13:16 |
