ALTAIR ENGINEERING INC - A (ALTR)
US0213691035 - Common Stock
| Shares Outstanding | 83.03M |
| Float | 55.41M |
| Owners (insider) | 6.82% |
| Owners (institutional) | 69.5% |
| Owners (insider) change | -0.48% |
| Owners (institutional) change | -0.02% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Apr 9, 2024 | Christ Revocable Trust | Open Market Sale | 12783 | 85.85 | $ 1,097,379.02 |
| Apr 9, 2024 | Christ George J | Open Market Sale | 12783 | 85.85 | $ 1,097,379.02 |
| Apr 2, 2024 | Harris Teresa A | Option Excercise | 620 | 0.00 | $ 0.00 |
| Apr 2, 2024 | Harris Teresa A | Open Market Sale | 620 | 84.00 | $ 52,080.00 |
| Mar 28, 2024 | Christ Revocable Trust | Open Market Sale | 83336 | 85.99 | $ 7,165,779.30 |
| Mar 28, 2024 | Christ George J | Open Market Sale | 83336 | 85.99 | $ 7,165,779.30 |
| Mar 26, 2024 | Christ George J | Open Market Sale | 3904 | 85.42 | $ 333,489.83 |
| Mar 26, 2024 | Christ Revocable Trust | Open Market Sale | 3904 | 85.42 | $ 333,489.83 |
| Mar 22, 2024 | Christ George J | Open Market Sale | 12760 | 86.71 | $ 1,106,377.56 |
| Mar 22, 2024 | Christ Revocable Trust | Open Market Sale | 12760 | 86.71 | $ 1,106,377.56 |
| Mar 18, 2024 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Mar 18, 2024 | Scapa James Ralph | Open Market Sale | 10000 | 80.74 | $ 807,424.10 |
| Mar 18, 2024 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Mar 18, 2024 | JRS Investments LLC | Open Market Sale | 5000 | 80.74 | $ 403,712.05 |
| Mar 18, 2024 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Mar 18, 2024 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 80.74 | $ 403,712.05 |
| Mar 17, 2024 | Marraccini Jeffrey | Grant | 729 | 0.00 | $ 0.00 |
| Mar 17, 2024 | Gayle Brian | Grant | 1281 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Dias Nelson | Grant | 15375 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Scapa James Ralph | Grant | 41000 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Saravia Gilma | Grant | 3808 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Messano Amy | Grant | 3683 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Maitra Raoul | Grant | 3500 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Kunju Ravi | Grant | 2667 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Srikanth Mahalingam | Grant | 6250 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Buckner Stephanie | Grant | 6071 | 0.00 | $ 0.00 |
| Mar 15, 2024 | Brown Matthew Charles | Grant | 8625 | 0.00 | $ 0.00 |
| Mar 13, 2024 | Messano Amy | Open Market Sale | 112 | 81.66 | $ 9,145.45 |
| Mar 13, 2024 | Scapa James Ralph | Open Market Sale | 1779 | 81.66 | $ 145,272.13 |
| Mar 13, 2024 | Marraccini Jeffrey | Open Market Sale | 105 | 81.66 | $ 8,574.30 |
| Mar 13, 2024 | Maitra Raoul | Open Market Sale | 75 | 81.66 | $ 6,124.50 |
| Mar 13, 2024 | Kunju Ravi | Open Market Sale | 76 | 81.65 | $ 6,205.69 |
| Mar 6, 2024 | Marraccini Jeffrey | Option Excercise | 5778 | 0.00 | $ 0.00 |
| Mar 6, 2024 | Marraccini Jeffrey | Open Market Sale | 5778 | 83.04 | $ 479,807.43 |
| Mar 5, 2024 | Harris Teresa A | Option Excercise | 620 | 0.00 | $ 0.00 |
| Mar 5, 2024 | Harris Teresa A | Open Market Sale | 620 | 85.01 | $ 52,706.20 |
| Mar 4, 2024 | Dias Nelson | Open Market Sale | 491 | 85.32 | $ 41,892.12 |
| Mar 4, 2024 | Srikanth Mahalingam | Open Market Sale | 457 | 85.32 | $ 38,991.24 |
| Mar 4, 2024 | Gayle Brian | Open Market Sale | 193 | 85.32 | $ 16,466.76 |
| Mar 4, 2024 | Scapa James Ralph | Open Market Sale | 3300 | 85.32 | $ 281,556.00 |
| Mar 4, 2024 | Maitra Raoul | Open Market Sale | 285 | 85.32 | $ 24,316.20 |
| Mar 4, 2024 | Messano Amy | Open Market Sale | 291 | 85.32 | $ 24,828.12 |
| Mar 4, 2024 | Kunju Ravi | Open Market Sale | 134 | 85.32 | $ 11,432.88 |
| Mar 4, 2024 | Brown Matthew Charles | Open Market Sale | 883 | 85.32 | $ 75,337.56 |
| Mar 4, 2024 | Saravia Gilma | Open Market Sale | 264 | 85.32 | $ 22,524.48 |
| Mar 4, 2024 | Marraccini Jeffrey | Open Market Sale | 197 | 85.32 | $ 16,808.04 |
| Mar 4, 2024 | Buckner Stephanie | Open Market Sale | 546 | 85.32 | $ 46,584.72 |
| Feb 28, 2024 | Brown Matthew Charles | Open Market Sale | 4363 | 83.65 | $ 364,969.31 |
| Feb 28, 2024 | Dias Nelson | Open Market Sale | 375 | 83.65 | $ 31,369.13 |
| Feb 28, 2024 | Messano Amy | Open Market Sale | 236 | 83.65 | $ 19,741.64 |
| Feb 28, 2024 | Saravia Gilma | Open Market Sale | 1003 | 83.65 | $ 83,901.95 |
| Feb 28, 2024 | Maitra Raoul | Open Market Sale | 189 | 83.65 | $ 15,810.04 |
| Feb 28, 2024 | Kunju Ravi | Open Market Sale | 121 | 83.65 | $ 10,121.89 |
| Feb 28, 2024 | Gayle Brian | Open Market Sale | 138 | 83.65 | $ 11,543.98 |
| Feb 16, 2024 | Scapa James Ralph | Open Market Sale | 10000 | 91.07 | $ 910,688.12 |
| Feb 16, 2024 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Feb 16, 2024 | JRS Investments LLC | Open Market Sale | 5000 | 91.07 | $ 455,344.37 |
| Feb 16, 2024 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Feb 16, 2024 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 91.07 | $ 455,343.74 |
| Feb 16, 2024 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Jan 23, 2024 | Christ George J | Other Aquisition | 100000 | 0.00 | $ 0.00 |
| Jan 23, 2024 | Christ George J | Open Market Sale | 100000 | 87.32 | $ 8,732,124.47 |
| Jan 23, 2024 | Christ Revocable Trust | Other Aquisition | 100000 | 0.00 | $ 0.00 |
| Jan 23, 2024 | Christ Revocable Trust | Open Market Sale | 100000 | 87.32 | $ 8,732,124.47 |
| Jan 16, 2024 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Jan 16, 2024 | JRS Investments LLC | Open Market Sale | 5000 | 83.73 | $ 418,655.97 |
| Jan 16, 2024 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Jan 16, 2024 | Scapa James Ralph | Open Market Sale | 10000 | 83.73 | $ 837,311.51 |
| Jan 16, 2024 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Jan 16, 2024 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 83.73 | $ 418,655.54 |
| Jan 12, 2024 | Kunju Ravi | Grant | 94 | 63.92 | $ 6,008.48 |
| Jan 12, 2024 | Gayle Brian | Grant | 94 | 63.92 | $ 6,008.48 |
| Jan 12, 2024 | Brown Matthew Charles | Grant | 94 | 63.92 | $ 6,008.48 |
| Jan 12, 2024 | Srikanth Mahalingam | Grant | 94 | 63.92 | $ 6,008.48 |
| Jan 12, 2024 | Saravia Gilma | Grant | 94 | 63.92 | $ 6,008.48 |
| Jan 12, 2024 | Marraccini Jeffrey | Grant | 94 | 63.92 | $ 6,008.48 |
| Jan 12, 2024 | Maitra Raoul | Grant | 94 | 63.92 | $ 6,008.48 |
| Dec 20, 2023 | Brown Matthew Charles | Grant | 10000 | 0.00 | $ 0.00 |
| Dec 18, 2023 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Dec 18, 2023 | Scapa James Ralph | Open Market Sale | 10000 | 74.12 | $ 741,150.22 |
| Dec 18, 2023 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Dec 18, 2023 | JRS Investments LLC | Open Market Sale | 5000 | 74.12 | $ 370,575.34 |
| Dec 18, 2023 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Dec 18, 2023 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 74.11 | $ 370,574.88 |
| Dec 8, 2023 | GC Investments LLC | Other Aquisition | 4564 | 0.00 | $ 0.00 |
| Dec 8, 2023 | GC Investments LLC | Open Market Sale | 4564 | 71.58 | $ 326,687.93 |
| Dec 6, 2023 | Christ George J | Open Market Sale | 14411 | 72.05 | $ 1,038,365.93 |
| Dec 6, 2023 | GC Investments LLC | Other Aquisition | 14411 | 0.00 | $ 0.00 |
| Dec 6, 2023 | GC Investments LLC | Open Market Sale | 14411 | 72.05 | $ 1,038,365.93 |
| Dec 6, 2023 | Harris Teresa A | Option Excercise | 600 | 0.00 | $ 0.00 |
| Dec 6, 2023 | Harris Teresa A | Open Market Sale | 600 | 71.65 | $ 42,990.00 |
| Dec 6, 2023 | Christ George J | Other Aquisition | 14411 | 0.00 | $ 0.00 |
| Dec 1, 2023 | GC Investments LLC | Other Aquisition | 45766 | 0.00 | $ 0.00 |
| Dec 1, 2023 | GC Investments LLC | Open Market Sale | 45766 | 72.79 | $ 3,331,165.27 |
| Dec 1, 2023 | Christ George J | Other Aquisition | 45766 | 0.00 | $ 0.00 |
| Dec 1, 2023 | Christ George J | Open Market Sale | 45766 | 72.79 | $ 3,331,165.27 |
| Nov 29, 2023 | Christ George J | Other Aquisition | 26682 | 0.00 | $ 0.00 |
| Nov 29, 2023 | Christ George J | Open Market Sale | 26682 | 73.08 | $ 1,949,987.01 |
| Nov 29, 2023 | GC Investments LLC | Other Aquisition | 26682 | 0.00 | $ 0.00 |
| Nov 29, 2023 | GC Investments LLC | Open Market Sale | 26682 | 73.08 | $ 1,949,987.01 |
| Nov 16, 2023 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Nov 16, 2023 | Scapa James Ralph | Open Market Sale | 10000 | 72.52 | $ 725,218.34 |
| Nov 16, 2023 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Nov 16, 2023 | JRS Investments LLC | Open Market Sale | 5000 | 72.52 | $ 362,609.17 |
| Nov 16, 2023 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Nov 16, 2023 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 72.52 | $ 362,609.17 |
| Nov 14, 2023 | Harris Teresa A | Option Excercise | 1800 | 0.00 | $ 0.00 |
| Nov 14, 2023 | Harris Teresa A | Open Market Sale | 1800 | 73.16 | $ 131,682.60 |
| Nov 10, 2023 | Kunju Ravi | Open Market Sale | 360 | 69.05 | $ 24,858.00 |
| Nov 8, 2023 | Maitra Raoul | Open Market Sale | 1600 | 68.79 | $ 110,060.80 |
| Nov 7, 2023 | Marraccini Jeffrey | Option Excercise | 3711 | 0.00 | $ 0.00 |
| Nov 7, 2023 | Marraccini Jeffrey | Open Market Sale | 3711 | 67.58 | $ 250,786.34 |
| Oct 16, 2023 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 65.23 | $ 326,169.47 |
| Oct 16, 2023 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Oct 16, 2023 | JRS Investments LLC | Open Market Sale | 5000 | 65.23 | $ 326,169.47 |
| Oct 16, 2023 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Oct 16, 2023 | Scapa James Ralph | Open Market Sale | 10000 | 65.23 | $ 652,338.93 |
| Oct 16, 2023 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Sep 18, 2023 | Scapa James Ralph | Open Market Sale | 10000 | 65.29 | $ 652,900.00 |
| Sep 18, 2023 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Sep 18, 2023 | JRS Investments LLC | Open Market Sale | 5000 | 65.29 | $ 326,450.00 |
| Sep 18, 2023 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Sep 18, 2023 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 65.29 | $ 326,450.00 |
| Sep 18, 2023 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Aug 16, 2023 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Aug 16, 2023 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 62.47 | $ 312,325.00 |
| Aug 16, 2023 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Aug 16, 2023 | Scapa James Ralph | Open Market Sale | 10000 | 62.47 | $ 624,650.00 |
| Aug 16, 2023 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Aug 16, 2023 | JRS Investments LLC | Open Market Sale | 5000 | 62.47 | $ 312,325.00 |
| Aug 10, 2023 | Maitra Raoul | Option Excercise | 4000 | 3.84 | $ 15,360.00 |
| Aug 9, 2023 | Messano Amy | Open Market Sale | 360 | 61.88 | $ 22,276.80 |
| Jul 19, 2023 | Christ George J | Other Aquisition | 100000 | 0.00 | $ 0.00 |
| Jul 19, 2023 | Christ George J | Open Market Sale | 100000 | 74.42 | $ 7,442,207.56 |
| Jul 19, 2023 | Christ Revocable Trust | Other Aquisition | 100000 | 0.00 | $ 0.00 |
| Jul 19, 2023 | Christ Revocable Trust | Open Market Sale | 100000 | 74.42 | $ 7,442,207.56 |
| Jul 17, 2023 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Jul 17, 2023 | Scapa James Ralph | Open Market Sale | 10000 | 74.91 | $ 749,116.96 |
| Jul 17, 2023 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Jul 17, 2023 | JRS Investments LLC | Open Market Sale | 5000 | 74.91 | $ 374,558.48 |
| Jul 17, 2023 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Jul 17, 2023 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 74.91 | $ 374,558.48 |
| Jul 14, 2023 | Marraccini Jeffrey | Grant | 140 | 42.65 | $ 5,971.00 |
| Jul 14, 2023 | Messano Amy | Grant | 140 | 42.65 | $ 5,971.00 |
| Jul 14, 2023 | Saravia Gilma | Grant | 140 | 42.65 | $ 5,971.00 |
| Jul 14, 2023 | Srikanth Mahalingam | Grant | 140 | 42.65 | $ 5,971.00 |
| Jul 14, 2023 | Kunju Ravi | Grant | 140 | 42.65 | $ 5,971.00 |
| Jul 14, 2023 | Maitra Raoul | Grant | 140 | 42.65 | $ 5,971.00 |
| Jul 14, 2023 | Gayle Brian | Grant | 140 | 42.65 | $ 5,971.00 |
| Jul 14, 2023 | Brown Matthew Charles | Grant | 140 | 42.65 | $ 5,971.00 |
| Jul 14, 2023 | Buckner Stephanie | Grant | 282 | 42.65 | $ 12,027.30 |
| Jun 16, 2023 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Jun 16, 2023 | JRS Investments LLC | Open Market Sale | 5000 | 75.18 | $ 375,876.20 |
| Jun 16, 2023 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Jun 16, 2023 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 75.18 | $ 375,876.20 |
| Jun 16, 2023 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Jun 16, 2023 | Scapa James Ralph | Open Market Sale | 10000 | 75.18 | $ 751,752.40 |
| Jun 12, 2023 | Srikanth Mahalingam | Open Market Sale | 2651 | 75.59 | $ 200,402.18 |
| Jun 9, 2023 | Messano Amy | Open Market Sale | 109 | 74.63 | $ 8,134.45 |
| Jun 7, 2023 | Marraccini Jeffrey | Option Excercise | 3151 | 0.00 | $ 0.00 |
| Jun 7, 2023 | Marraccini Jeffrey | Open Market Sale | 3151 | 74.94 | $ 236,146.31 |
| Jun 6, 2023 | Scapa James Ralph | Open Market Sale | 9267 | 74.30 | $ 688,556.63 |
| Jun 6, 2023 | Christ George J | Other Aquisition | 100000 | 0.00 | $ 0.00 |
| Jun 6, 2023 | Christ George J | Open Market Sale | 100000 | 74.42 | $ 7,442,179.42 |
| Jun 6, 2023 | Christ Revocable Trust | Other Aquisition | 100000 | 0.00 | $ 0.00 |
| Jun 6, 2023 | Christ Revocable Trust | Open Market Sale | 100000 | 74.42 | $ 7,442,179.42 |
| Jun 2, 2023 | Dias Nelson | Option Excercise | 2356 | 0.00 | $ 0.00 |
| Jun 2, 2023 | Dias Nelson | Open Market Sale | 2356 | 74.03 | $ 174,402.90 |
| May 26, 2023 | Maitra Raoul | Open Market Sale | 847 | 72.70 | $ 61,577.75 |
| May 16, 2023 | Dias Nelson | Option Excercise | 3636 | 0.00 | $ 0.00 |
| May 16, 2023 | Dias Nelson | Open Market Sale | 3636 | 67.78 | $ 246,458.99 |
| May 16, 2023 | JRS Investments LLC | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| May 16, 2023 | JRS Investments LLC | Open Market Sale | 5000 | 67.94 | $ 339,715.00 |
| May 16, 2023 | James R. Scapa Declaration of Trust | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| May 16, 2023 | James R. Scapa Declaration of Trust | Open Market Sale | 5000 | 67.94 | $ 339,715.00 |
| May 16, 2023 | Scapa James Ralph | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| May 16, 2023 | Scapa James Ralph | Open Market Sale | 10000 | 67.94 | $ 679,430.00 |
| May 12, 2023 | Scapa James Ralph | Open Market Sale | 548 | 67.40 | $ 36,935.20 |
| May 12, 2023 | Marraccini Jeffrey | Open Market Sale | 41 | 67.40 | $ 2,763.40 |
| May 10, 2023 | Scapa James Ralph | Open Market Sale | 5358 | 67.82 | $ 363,379.56 |
| May 9, 2023 | Anderson James Francis | Grant | 2974 | 0.00 | $ 0.00 |
| May 9, 2023 | Ayyar Shekar G | Grant | 2974 | 0.00 | $ 0.00 |
| May 9, 2023 | Boyce Mary Cunningham | Grant | 2974 | 0.00 | $ 0.00 |
| May 9, 2023 | Carter Sandra Ann | Grant | 2974 | 0.00 | $ 0.00 |
| May 9, 2023 | Earhart Stephen P | Grant | 2974 | 0.00 | $ 0.00 |
| May 9, 2023 | Harris Teresa A | Grant | 2974 | 0.00 | $ 0.00 |