| 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. | 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 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-12-18 | Sell | 16,000 | 35.00 | 560,000 | 2019-12-19 21:08:45 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-12-18 | Option Exercise | 16,000 | 0.00 | 0 | 2019-12-19 21:08:45 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2019-12-17 | Sell | 80,000 | 34.82 | 2,785,832 | 2019-12-19 19:54:10 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2019-12-17 | Sell | 80,000 | 34.82 | 2,785,832 | 2019-12-19 19:35:30 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-12-17 | Sell | 4,000 | 34.17 | 136,696 | 2019-12-18 16:26:28 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2019-12-13 | Sell | 56 | 33.54 | 1,878 | 2019-12-16 13:00:36 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2019-12-11 | Sell | 2,754 | 31.37 | 86,393 | 2019-12-13 16:57:41 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2019-12-11 | Option Exercise | 8,000 | 0.64 | 5,120 | 2019-12-13 16:57:41 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-11-26 | Sell | 4,000 | 32.77 | 131,064 | 2019-11-29 11:20:58 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-11-05 | Sell | 8,000 | 38.00 | 304,000 | 2019-11-07 09:00:31 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2019-10-21 | Sell | 69,806 | 34.50 | 2,408,237 | 2019-10-23 17:10:32 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2019-10-21 | Sell | 69,806 | 34.50 | 2,408,237 | 2019-10-23 17:10:09 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2019-10-18 | Sell | 20,194 | 34.05 | 687,606 | 2019-10-22 09:00:34 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2019-10-18 | Sell | 20,194 | 34.05 | 687,606 | 2019-10-22 09:00:25 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-10-17 | Sell | 4,000 | 34.77 | 139,084 | 2019-10-21 09:05:28 |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | 2019-10-16 | Option Exercise | 8,000 | 0.64 | 5,120 | 2019-10-18 12:57:38 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-10-11 | Sell | 8,000 | 35.00 | 280,000 | 2019-10-15 10:07:54 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-10-11 | Option Exercise | 8,000 | 0.00 | 0 | 2019-10-15 10:07:54 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-10-03 | Sell | 30,534 | 32.49 | 992,172 | 2019-10-07 16:22:23 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-10-03 | Sell | 30,534 | 32.49 | 992,172 | 2019-10-07 15:15:27 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-10-02 | Sell | 34,310 | 32.87 | 1,127,684 | 2019-10-03 13:41:57 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-10-02 | Sell | 4,975 | 32.84 | 163,354 | 2019-10-03 12:56:13 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-10-02 | Sell | 29,335 | 32.87 | 964,329 | 2019-10-03 12:54:19 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-10-01 | Sell | 20,131 | 34.00 | 684,523 | 2019-10-03 07:40:37 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-10-01 | Sell | 5,025 | 34.01 | 170,894 | 2019-10-03 07:37:52 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-10-01 | Sell | 25,156 | 34.00 | 855,417 | 2019-10-03 07:37:29 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-09-17 | Sell | 4,000 | 34.22 | 136,890 | 2019-09-19 16:24:33 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-09-13 | Sell | 8,000 | 35.00 | 280,000 | 2019-09-17 07:21:27 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-09-13 | Option Exercise | 8,000 | 0.00 | 0 | 2019-09-17 07:21:27 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2019-09-16 | Sell | 2,500 | 33.79 | 84,475 | 2019-09-17 06:39:50 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-09-03 | Sell | 80,000 | 33.51 | 2,681,070 | 2019-09-05 18:57:31 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-09-03 | Sell | 90,000 | 33.54 | 3,018,580 | 2019-09-05 18:57:31 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-09-03 | Sell | 10,000 | 33.75 | 337,510 | 2019-09-05 18:47:54 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-08-19 | Sell | 6,840 | 35.18 | 240,631 | 2019-08-21 16:42:41 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-08-19 | Option Exercise | 6,840 | 0.00 | 0 | 2019-08-21 16:42:41 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-08-19 | Sell | 4,000 | 34.90 | 139,616 | 2019-08-21 16:37:01 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2019-08-15 | Sell | 2,500 | 33.95 | 84,875 | 2019-08-19 10:01:01 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-08-12 | Sell | 1,160 | 35.14 | 40,761 | 2019-08-14 08:59:20 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-08-12 | Option Exercise | 1,160 | 0.00 | 0 | 2019-08-14 08:59:20 |
