| 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 | 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 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-08-05 | Sell | 2,000 | 39.51 | 79,020 | 2019-08-07 12:31:36 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-08-01 | Sell | 80,000 | 40.61 | 3,249,102 | 2019-08-05 20:37:22 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-08-01 | Sell | 90,000 | 40.65 | 3,658,448 | 2019-08-05 20:35:17 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-08-01 | Sell | 10,000 | 40.93 | 409,345 | 2019-08-05 20:28:04 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2019-08-01 | Sell | 120,000 | 40.66 | 4,878,900 | 2019-08-05 20:14:59 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2019-08-01 | Sell | 80,000 | 40.69 | 3,255,219 | 2019-08-05 20:14:19 |
| ALTR | Altair Engineering Inc. | GC Investments LLC | 10% Owner | 2019-08-01 | Sell | 40,000 | 40.59 | 1,623,681 | 2019-08-05 20:09:10 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-07-16 | Sell | 4,000 | 41.81 | 167,260 | 2019-07-18 15:28:29 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2019-07-15 | Sell | 2,500 | 41.14 | 102,850 | 2019-07-17 13:50:36 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-07-15 | Sell | 2,000 | 41.14 | 82,280 | 2019-07-17 13:47:55 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2019-07-12 | Sell | 27,414 | 41.37 | 1,134,171 | 2019-07-16 21:30:55 |
| ALTR | Altair Engineering Inc. | GC Investments LLC | 10% Owner | 2019-07-12 | Sell | 6,989 | 41.44 | 289,617 | 2019-07-16 16:59:27 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2019-07-12 | Sell | 20,425 | 41.35 | 844,553 | 2019-07-16 16:58:14 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2019-07-11 | Sell | 22,725 | 42.25 | 960,109 | 2019-07-15 14:31:52 |
| ALTR | Altair Engineering Inc. | GC Investments LLC | 10% Owner | 2019-07-11 | Sell | 12,935 | 42.22 | 546,051 | 2019-07-15 14:31:24 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2019-07-11 | Sell | 35,660 | 42.24 | 1,506,160 | 2019-07-15 14:31:16 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-07-11 | Sell | 8,000 | 42.04 | 336,312 | 2019-07-15 12:10:17 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-07-11 | Option Exercise | 8,000 | 0.00 | 0 | 2019-07-15 12:10:17 |
| ALTR | Altair Engineering Inc. | Christ George J | 10% Owner | 2019-07-10 | Sell | 56,926 | 42.22 | 2,403,138 | 2019-07-12 08:36:23 |
| ALTR | Altair Engineering Inc. | Christ Revocable Trust | 10% Owner | 2019-07-10 | Sell | 36,850 | 42.22 | 1,555,770 | 2019-07-12 08:22:05 |
| ALTR | Altair Engineering Inc. | GC Investments LLC | 10% Owner | 2019-07-10 | Sell | 20,076 | 42.21 | 847,368 | 2019-07-12 08:21:47 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-07-02 | Sell | 27,007 | 40.42 | 1,091,638 | 2019-07-05 09:30:16 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-07-02 | Sell | 1,491 | 40.43 | 60,281 | 2019-07-05 09:27:22 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-07-02 | Sell | 25,516 | 40.42 | 1,031,357 | 2019-07-05 09:25:46 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-07-01 | Sell | 62,993 | 40.93 | 2,578,589 | 2019-07-03 09:42:45 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-07-01 | Sell | 54,484 | 40.93 | 2,230,230 | 2019-07-03 09:39:34 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-07-01 | Sell | 8,509 | 40.94 | 348,358 | 2019-07-03 09:37:42 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-07-01 | Sell | 2,000 | 40.92 | 81,840 | 2019-07-03 09:33:43 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-06-18 | Sell | 1,612 | 37.70 | 60,772 | 2019-06-20 13:27:36 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-06-18 | Option Exercise | 1,612 | 3.79 | 6,109 | 2019-06-20 13:27:36 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-06-17 | Sell | 4,000 | 37.52 | 150,096 | 2019-06-19 10:26:16 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2019-06-14 | Sell | 2,500 | 35.98 | 89,950 | 2019-06-18 08:33:13 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-06-11 | Sell | 8,000 | 35.09 | 280,720 | 2019-06-13 15:53:46 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-06-11 | Option Exercise | 8,000 | 0.00 | 0 | 2019-06-13 15:53:46 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2019-06-11 | Option Exercise | 18,878 | 4.49 | 84,711 | 2019-06-13 15:19:46 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-06-10 | Option Exercise | 7,774 | 4.99 | 38,779 | 2019-06-12 19:20:10 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | President | 2019-06-10 | Sell | 12,820 | 35.31 | 452,658 | 2019-06-12 09:26:49 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | President | 2019-06-10 | Option Exercise | 12,820 | 5.18 | 66,408 | 2019-06-12 09:26:49 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-06-04 | Sell | 6,300 | 37.61 | 236,912 | 2019-06-06 14:10:20 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-06-04 | Sell | 6,300 | 37.61 | 236,912 | 2019-06-06 14:10:05 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-06-03 | Sell | 73,700 | 36.86 | 2,716,521 | 2019-06-05 21:27:53 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-06-03 | Sell | 83,700 | 36.86 | 3,085,024 | 2019-06-05 21:24:38 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-06-03 | Sell | 10,000 | 36.85 | 368,503 | 2019-06-05 21:23:23 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-06-03 | Sell | 2,000 | 37.87 | 75,740 | 2019-06-05 21:22:39 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-06-03 | Option Exercise | 2,000 | 3.79 | 7,580 | 2019-06-05 21:22:39 |
| ALTR | Altair Engineering Inc. | Simon David L | Chief Administrative Officer | 2019-03-06 | Sell | 84 | 35.64 | 2,994 | 2019-06-05 21:18:08 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-03-06 | Sell | 167 | 35.64 | 5,952 | 2019-06-05 21:17:45 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-03-06 | Sell | 1,309 | 35.64 | 46,653 | 2019-06-05 21:13:53 |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | 2019-03-06 | Sell | 85 | 35.64 | 3,029 | 2019-06-05 21:09:57 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-03-06 | Sell | 198 | 35.64 | 7,057 | 2019-06-05 21:07:53 |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | 2019-03-06 | Sell | 167 | 35.64 | 5,952 | 2019-06-05 20:59:07 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-05-17 | Sell | 4,000 | 36.14 | 144,548 | 2019-05-21 16:51:20 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-05-16 | Sell | 2,000 | 36.00 | 72,000 | 2019-05-20 12:50:52 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-05-16 | Option Exercise | 2,000 | 3.79 | 7,580 | 2019-05-20 12:50:52 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2019-05-15 | Sell | 2,500 | 34.76 | 86,894 | 2019-05-17 11:24:38 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-05-13 | Sell | 100 | 35.12 | 3,512 | 2019-05-15 16:26:55 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-05-13 | Option Exercise | 100 | 0.00 | 0 | 2019-05-15 16:26:55 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | President | 2019-05-13 | Sell | 7,998 | 34.13 | 272,960 | 2019-05-15 16:11:09 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | President | 2019-05-13 | Option Exercise | 7,998 | 3.77 | 30,162 | 2019-05-15 16:11:09 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-05-03 | Sell | 78,150 | 37.04 | 2,894,656 | 2019-05-07 09:21:09 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-05-03 | Sell | 77,121 | 37.04 | 2,856,562 | 2019-05-07 09:10:37 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-05-03 | Sell | 1,029 | 37.02 | 38,094 | 2019-05-07 09:10:20 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-05-02 | Sell | 16,744 | 36.89 | 617,646 | 2019-05-06 20:30:14 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-05-02 | Sell | 4,059 | 36.88 | 149,696 | 2019-05-06 20:29:11 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-05-02 | Sell | 12,685 | 36.89 | 467,950 | 2019-05-06 20:27:57 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-05-01 | Sell | 15,200 | 38.29 | 582,079 | 2019-05-03 10:58:50 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-05-01 | Sell | 4,912 | 38.30 | 188,134 | 2019-05-03 10:55:00 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-05-01 | Sell | 20,112 | 38.30 | 770,214 | 2019-05-03 10:53:27 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-05-01 | Sell | 2,000 | 38.57 | 77,143 | 2019-05-03 06:49:00 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-05-01 | Option Exercise | 2,000 | 3.79 | 7,580 | 2019-05-03 06:49:00 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2019-04-17 | Sell | 4,000 | 36.63 | 146,513 | 2019-04-18 11:57:41 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | President | 2019-04-16 | Sell | 8,000 | 36.53 | 292,245 | 2019-04-18 10:49:51 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | President | 2019-04-16 | Option Exercise | 8,000 | 1.56 | 12,480 | 2019-04-18 10:49:51 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2019-04-15 | Sell | 2,500 | 36.31 | 90,778 | 2019-04-17 14:19:01 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-04-15 | Sell | 2,000 | 36.30 | 72,598 | 2019-04-17 14:09:49 |
| ALTR | Altair Engineering Inc. | Schramm Uwe | See Remarks | 2019-04-15 | Option Exercise | 2,000 | 2.48 | 4,960 | 2019-04-17 14:09:49 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-04-11 | Option Exercise | 8,000 | 0.00 | 0 | 2019-04-15 10:31:17 |
| ALTR | Altair Engineering Inc. | Dagg James | See Remarks | 2019-04-11 | Sell | 8,000 | 36.70 | 293,600 | 2019-04-15 10:31:17 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-04-10 | Sell | 28,727 | 36.90 | 1,060,077 | 2019-04-12 13:45:36 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-04-10 | Sell | 4,399 | 36.90 | 162,301 | 2019-04-12 13:41:09 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-04-10 | Sell | 24,328 | 36.90 | 897,776 | 2019-04-12 13:40:54 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-04-09 | Sell | 19,453 | 36.79 | 715,585 | 2019-04-10 07:25:59 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-04-09 | Sell | 3,301 | 36.78 | 121,401 | 2019-04-10 07:25:36 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-04-09 | Sell | 16,152 | 36.79 | 594,184 | 2019-04-10 07:21:02 |
| ALTR | Altair Engineering Inc. | James R. Scapa Declaration of Trust | 10% Owner | 2019-04-08 | Sell | 14,514 | 37.14 | 539,035 | 2019-04-09 08:07:34 |
| ALTR | Altair Engineering Inc. | JRS Investments LLC | 10% Owner | 2019-04-08 | Sell | 2,300 | 37.15 | 85,438 | 2019-04-09 08:07:18 |
| ALTR | Altair Engineering Inc. | Scapa James Ralph | Chief Executive Officer 10% Owner | 2019-04-08 | Sell | 16,814 | 37.14 | 624,474 | 2019-04-09 08:07:14 |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | 2019-04-05 | Sell | 7,000 | 37.68 | 263,760 | 2019-04-08 07:23:34 |
| ALTR | Altair Engineering Inc. | Kowal Jan | Directior | 2019-03-12 | Sell | 8,000 | 37.62 | 300,960 | 2019-03-14 16:06:51 |
| ALTR | Altair Engineering Inc. | Kowal Jan | Directior | 2019-03-12 | Option Exercise | 8,000 | 3.79 | 30,320 | 2019-03-14 16:06:51 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2019-03-05 | Sell | 5,000 | 35.59 | 177,950 | 2019-03-07 15:23:31 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | President | 2019-03-05 | Sell | 4,000 | 35.61 | 142,440 | 2019-03-07 15:23:18 |
| ALTR | Altair Engineering Inc. | Chouinard Brett R | President | 2019-03-05 | Option Exercise | 4,000 | 0.64 | 2,560 | 2019-03-07 15:23:18 |
| ALTR | Altair Engineering Inc. | Nichols Martin E | Chief Information Officer | 2018-12-28 | Option Exercise | 2,300 | 3.79 | 8,717 | 2018-12-31 10:07:44 |
| ALTR | Altair Engineering Inc. | Morof Howard N | Chief Financial Officer | 2018-12-21 | Option Exercise | 1,621 | 3.81 | 6,181 | 2018-12-21 16:30:25 |
