Real Time Insider Transaction Data
Real Time Insider buys and sells Data - Insider Trades - Insider Transactions - Insider Trading Data - SEC Form 4 Data
| Total | Transactions | Amount |
| Buys | 0 | $0 |
| Sells | 88 | $21,257,745 |
| Security | Reporting Name | Relationship | Purchase/Sale | Shares | Price $ | D/I | ||||
| 19 Mar 2025 11:35 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Mar 2025 | Sale | 9 | 111.3 | 1,002 | I |
| 05 Dec 2024 09:28 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 03 Dec 2024 | Sale | 16,095 | 105.65 | 1,700,437 | D |
| 02 Dec 2024 16:05 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 29 Nov 2024 | Sale | 6,500 | 105.6904 | 686,988 | I |
| 02 Dec 2024 16:05 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 29 Nov 2024 | Sale | 6,500 | 105.6904 | 686,988 | I |
| 29 Oct 2024 14:21 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Oct 2024 | Sale | 3,683 | 102.0806 | 375,963 | I |
| 29 Oct 2024 14:21 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Oct 2024 | Sale | 2,522 | 103.1924 | 260,251 | I |
| 29 Oct 2024 14:21 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Oct 2024 | Sale | 295 | 103.8409 | 30,633 | I |
| 29 Oct 2024 14:21 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Oct 2024 | Sale | 3,682 | 102.0806 | 375,861 | I |
| 29 Oct 2024 14:21 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Oct 2024 | Sale | 2,522 | 103.1924 | 260,251 | I |
| 29 Oct 2024 14:21 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Oct 2024 | Sale | 296 | 103.8409 | 30,737 | I |
| 01 Oct 2024 10:58 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 30 Sep 2024 | Sale | 5,572 | 95.0289 | 529,501 | I |
| 01 Oct 2024 10:58 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 30 Sep 2024 | Sale | 928 | 95.547 | 88,668 | I |
| 01 Oct 2024 10:58 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 30 Sep 2024 | Sale | 5,572 | 95.0289 | 529,501 | I |
| 01 Oct 2024 10:58 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 30 Sep 2024 | Sale | 928 | 95.547 | 88,668 | I |
| 29 Aug 2024 13:55 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Aug 2024 | Sale | 1,490 | 89.5327 | 133,404 | I |
| 29 Aug 2024 13:55 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Aug 2024 | Sale | 5,010 | 88.8893 | 445,335 | I |
| 29 Aug 2024 13:55 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Aug 2024 | Sale | 1,490 | 89.5327 | 133,404 | I |
| 29 Aug 2024 13:55 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Aug 2024 | Sale | 5,010 | 88.8893 | 445,335 | I |
| 30 Jul 2024 15:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 29 Jul 2024 | Sale | 1,484 | 88.5966 | 131,477 | I |
| 30 Jul 2024 15:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 29 Jul 2024 | Sale | 5,016 | 87.9646 | 441,230 | I |
| 30 Jul 2024 15:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 29 Jul 2024 | Sale | 1,483 | 88.5966 | 131,389 | I |
| 30 Jul 2024 15:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 29 Jul 2024 | Sale | 5,017 | 87.9646 | 441,318 | I |
| 01 Jul 2024 17:02 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Jun 2024 | Sale | 900 | 99.5661 | 89,609 | I |
| 01 Jul 2024 17:02 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Jun 2024 | Sale | 1,762 | 98.6738 | 173,863 | I |
| 01 Jul 2024 17:02 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Jun 2024 | Sale | 3,838 | 97.7684 | 375,235 | I |
| 01 Jul 2024 17:02 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Jun 2024 | Sale | 900 | 99.5661 | 89,609 | I |
| 01 Jul 2024 17:02 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Jun 2024 | Sale | 1,761 | 98.6738 | 173,765 | I |
| 01 Jul 2024 17:02 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 28 Jun 2024 | Sale | 3,839 | 97.7684 | 375,333 | I |
| 11 Jun 2024 15:52 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 10 Jun 2024 | Sale | 100 | 94.185 | 9,418 | I |
| 11 Jun 2024 15:52 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 10 Jun 2024 | Sale | 4,950 | 93.276 | 461,716 | I |
| 11 Jun 2024 15:52 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 10 Jun 2024 | Sale | 1,450 | 92.7135 | 134,435 | I |
| 11 Jun 2024 15:52 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 10 Jun 2024 | Sale | 100 | 94.185 | 9,418 | I |
| 11 Jun 2024 15:52 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 10 Jun 2024 | Sale | 4,950 | 93.276 | 461,716 | I |
| 11 Jun 2024 15:52 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 10 Jun 2024 | Sale | 1,450 | 92.7135 | 134,435 | I |
| 10 May 2024 08:52 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 08 May 2024 | Sale | 9 | 84.38 | 759 | I |
| 10 May 2024 08:52 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 08 May 2024 | Sale | 5,560 | 84.3736 | 469,117 | D |
| 19 Mar 2024 17:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Mar 2024 | Sale | 4,500 | 80.8396 | 363,778 | I |
| 19 Mar 2024 17:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Mar 2024 | Sale | 500 | 79.8677 | 39,934 | I |
| 19 Mar 2024 17:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Mar 2024 | Sale | 4,500 | 80.8396 | 363,778 | I |
| 19 Mar 2024 17:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Mar 2024 | Sale | 500 | 79.8677 | 39,934 | I |
| 14 Mar 2024 16:02 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 13 Mar 2024 | Sale | 93 | 81.66 | 7,594 | I |
| 14 Mar 2024 16:02 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 13 Mar 2024 | Sale | 1,686 | 81.6594 | 137,678 | D |
| 05 Mar 2024 14:34 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 04 Mar 2024 | Sale | 3,300 | 85.32 | 281,556 | D |
| 20 Feb 2024 08:13 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Feb 2024 | Sale | 2,790 | 91.3476 | 254,860 | I |
| 20 Feb 2024 08:13 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Feb 2024 | Sale | 2,210 | 90.717 | 200,485 | I |
| 20 Feb 2024 08:13 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Feb 2024 | Sale | 2,789 | 91.3476 | 254,768 | I |
| 20 Feb 2024 08:13 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Feb 2024 | Sale | 2,211 | 90.717 | 200,575 | I |
| 18 Jan 2024 18:01 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Jan 2024 | Sale | 2,905 | 83.9104 | 243,760 | I |
| 18 Jan 2024 18:01 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Jan 2024 | Sale | 2,095 | 83.4827 | 174,896 | I |
| 18 Jan 2024 18:01 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Jan 2024 | Sale | 2,904 | 83.9104 | 243,676 | I |
| 18 Jan 2024 18:01 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Jan 2024 | Sale | 2,096 | 83.4827 | 174,980 | I |
| 19 Dec 2023 19:08 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Dec 2023 | Sale | 68 | 74.577 | 5,071 | I |
| 19 Dec 2023 19:08 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Dec 2023 | Sale | 4,932 | 74.1087 | 365,504 | I |
| 19 Dec 2023 19:08 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Dec 2023 | Sale | 4,933 | 74.1087 | 365,578 | I |
| 19 Dec 2023 19:08 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Dec 2023 | Sale | 67 | 74.577 | 4,997 | I |
| 17 Nov 2023 16:22 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Nov 2023 | Sale | 800 | 73.6024 | 58,882 | I |
| 17 Nov 2023 16:22 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Nov 2023 | Sale | 3,253 | 72.4846 | 235,792 | I |
| 17 Nov 2023 16:22 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Nov 2023 | Sale | 947 | 71.7369 | 67,935 | I |
| 17 Nov 2023 16:22 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Nov 2023 | Sale | 800 | 73.6024 | 58,882 | I |
| 17 Nov 2023 16:22 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Nov 2023 | Sale | 3,253 | 72.4846 | 235,792 | I |
| 17 Nov 2023 16:22 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Nov 2023 | Sale | 947 | 71.7369 | 67,935 | I |
| 17 Oct 2023 15:15 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Oct 2023 | Sale | 350 | 66.053 | 23,119 | I |
| 17 Oct 2023 15:15 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Oct 2023 | Sale | 3,348 | 65.443 | 219,103 | I |
| 17 Oct 2023 15:15 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Oct 2023 | Sale | 350 | 66.053 | 23,119 | I |
| 17 Oct 2023 15:15 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Oct 2023 | Sale | 1,302 | 64.476 | 83,948 | I |
| 17 Oct 2023 15:15 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Oct 2023 | Sale | 3,348 | 65.443 | 219,103 | I |
| 17 Oct 2023 15:15 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Oct 2023 | Sale | 1,302 | 64.476 | 83,948 | I |
| 19 Sep 2023 20:04 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Sep 2023 | Sale | 5,000 | 65.29 | 326,450 | I |
| 19 Sep 2023 20:04 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 18 Sep 2023 | Sale | 5,000 | 65.29 | 326,450 | I |
| 17 Aug 2023 12:00 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Aug 2023 | Sale | 5,000 | 62.465 | 312,325 | I |
| 17 Aug 2023 12:00 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Aug 2023 | Sale | 5,000 | 62.465 | 312,325 | I |
| 18 Jul 2023 11:05 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Jul 2023 | Sale | 2,601 | 75.142 | 195,444 | I |
| 18 Jul 2023 11:05 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Jul 2023 | Sale | 2,399 | 74.662 | 179,114 | I |
| 18 Jul 2023 11:05 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Jul 2023 | Sale | 2,601 | 75.142 | 195,444 | I |
| 18 Jul 2023 11:05 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Jul 2023 | Sale | 2,399 | 74.662 | 179,114 | I |
| 20 Jun 2023 10:48 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Jun 2023 | Sale | 1,400 | 75.631 | 105,883 | I |
| 20 Jun 2023 10:48 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Jun 2023 | Sale | 3,600 | 74.998 | 269,993 | I |
| 20 Jun 2023 10:48 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Jun 2023 | Sale | 1,400 | 75.631 | 105,883 | I |
| 20 Jun 2023 10:48 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 Jun 2023 | Sale | 3,600 | 74.998 | 269,993 | I |
| 07 Jun 2023 12:40 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 06 Jun 2023 | Sale | 9,267 | 74.302 | 688,557 | D |
| 17 May 2023 14:06 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 May 2023 | Sale | 5,000 | 67.943 | 339,715 | I |
| 17 May 2023 14:06 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 16 May 2023 | Sale | 5,000 | 67.943 | 339,715 | I |
| 15 May 2023 18:31 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 12 May 2023 | Sale | 548 | 67.4 | 36,935 | D |
| 11 May 2023 10:47 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 10 May 2023 | Sale | 5,358 | 67.82 | 363,380 | D |
| 18 Apr 2023 15:50 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Apr 2023 | Sale | 291 | 71.081 | 20,685 | I |
| 18 Apr 2023 15:50 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Apr 2023 | Sale | 4,709 | 70.283 | 330,963 | I |
| 18 Apr 2023 15:50 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Apr 2023 | Sale | 291 | 71.081 | 20,685 | I |
| 18 Apr 2023 15:50 | ALTR | Altair Engineering Inc | SCAPA JAMES RALPH | Chief Executive Officer, 10% | 17 Apr 2023 | Sale | 4,709 | 70.283 | 330,963 | I |
* D/I = Direct / Indirect
* 10% = Entity with 10% or higher ownership stake
* A = Amendment Filing (SEC Form 4/A)