James R. Scapa Declaration of Trust
Insider CIK 1720615 · ALTR 10% owner
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| ALTR Altair Engineering Inc. | D To issuer deriv | 2025-03-26 | 2025-03-26 | 10,241,110 | $113.00 | $1.16B | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-11-29 | 2024-12-02 | 6,500 | — | $0 | 10,241,110 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-11-29 | 2024-12-02 | 6,500 | $105.69 | $687.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-11-29 | 2024-12-02 | 6,500 | — | $0 | 6,500 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-10-28 | 2024-10-29 | 6,500 | — | $0 | 10,247,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-10-28 | 2024-10-29 | 295 | $103.84 | $30.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-10-28 | 2024-10-29 | 2,522 | $103.19 | $260.2K | 295 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-10-28 | 2024-10-29 | 3,683 | $102.08 | $376.0K | 2,817 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-10-28 | 2024-10-29 | 6,500 | — | $0 | 6,500 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-09-30 | 2024-10-01 | 6,500 | — | $0 | 10,254,110 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-09-30 | 2024-10-01 | 928 | $95.55 | $88.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-09-30 | 2024-10-01 | 5,572 | $95.03 | $529.5K | 928 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-09-30 | 2024-10-01 | 6,500 | — | $0 | 6,500 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-08-28 | 2024-08-29 | 6,500 | — | $0 | 10,260,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-08-28 | 2024-08-29 | 6,500 | — | $0 | 6,500 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-08-28 | 2024-08-29 | 5,010 | $88.89 | $445.3K | 1,490 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-08-28 | 2024-08-29 | 1,490 | $89.53 | $133.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-07-29 | 2024-07-30 | 6,500 | — | $0 | 10,267,110 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-07-29 | 2024-07-30 | 1,483 | $88.60 | $131.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-07-29 | 2024-07-30 | 5,017 | $87.96 | $441.3K | 1,483 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-07-29 | 2024-07-30 | 6,500 | — | $0 | 6,500 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-06-28 | 2024-07-01 | 6,500 | — | $0 | 10,273,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-06-28 | 2024-07-01 | 3,839 | $97.77 | $375.3K | 2,661 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-06-28 | 2024-07-01 | 900 | $99.57 | $89.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-06-28 | 2024-07-01 | 1,761 | $98.67 | $173.8K | 900 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-06-28 | 2024-07-01 | 6,500 | — | $0 | 6,500 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-06-10 | 2024-06-11 | 6,500 | — | $0 | 10,280,110 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-06-10 | 2024-06-11 | 6,500 | — | $0 | 6,500 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-06-10 | 2024-06-11 | 1,450 | $92.71 | $134.4K | 5,050 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-06-10 | 2024-06-11 | 4,950 | $93.28 | $461.7K | 100 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-06-10 | 2024-06-11 | 100 | $94.19 | $9.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-03-18 | 2024-03-19 | 5,000 | — | $0 | 10,286,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-03-18 | 2024-03-19 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-03-18 | 2024-03-19 | 500 | $79.87 | $39.9K | 4,500 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-03-18 | 2024-03-19 | 4,500 | $80.84 | $363.8K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-02-16 | 2024-02-20 | 5,000 | — | $0 | 10,291,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-02-16 | 2024-02-20 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-02-16 | 2024-02-20 | 2,789 | $91.35 | $254.8K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-02-16 | 2024-02-20 | 2,211 | $90.72 | $200.6K | 2,789 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-01-16 | 2024-01-18 | 5,000 | — | $0 | 10,296,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-01-16 | 2024-01-18 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-01-16 | 2024-01-18 | 2,904 | $83.91 | $243.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-01-16 | 2024-01-18 | 2,096 | $83.48 | $175.0K | 2,904 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-12-18 | 2023-12-19 | 5,000 | — | $0 | 10,301,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-12-18 | 2023-12-19 | 4,933 | $74.11 | $365.6K | 67 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-12-18 | 2023-12-19 | 67 | $74.58 | $5.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-12-18 | 2023-12-19 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-11-16 | 2023-11-17 | 5,000 | — | $0 | 10,306,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-11-16 | 2023-11-17 | 3,253 | $72.48 | $235.8K | 800 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-11-16 | 2023-11-17 | 947 | $71.74 | $67.9K | 4,053 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-11-16 | 2023-11-17 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-11-16 | 2023-11-17 | 800 | $73.60 | $58.9K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-10-16 | 2023-10-17 | 5,000 | — | $0 | 10,311,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-10-16 | 2023-10-17 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-10-16 | 2023-10-17 | 3,348 | $65.44 | $219.1K | 350 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-10-16 | 2023-10-17 | 350 | $66.05 | $23.1K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-10-16 | 2023-10-17 | 1,302 | $64.48 | $84.0K | 3,698 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-09-18 | 2023-09-19 | 5,000 | — | $0 | 10,316,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-09-18 | 2023-09-19 | 5,000 | $65.29 | $326.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-09-18 | 2023-09-19 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-08-16 | 2023-08-17 | 5,000 | — | $0 | 10,321,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-08-16 | 2023-08-17 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-08-16 | 2023-08-17 | 5,000 | $62.47 | $312.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-07-17 | 2023-07-18 | 5,000 | — | $0 | 10,326,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-07-17 | 2023-07-18 | 2,601 | $75.14 | $195.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-07-17 | 2023-07-18 | 2,399 | $74.66 | $179.1K | 2,601 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-07-17 | 2023-07-18 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-06-16 | 2023-06-20 | 5,000 | — | $0 | 10,331,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-06-16 | 2023-06-20 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-06-16 | 2023-06-20 | 3,600 | $75.00 | $270.0K | 1,400 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-06-16 | 2023-06-20 | 1,400 | $75.63 | $105.9K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-05-16 | 2023-05-17 | 5,000 | — | $0 | 10,336,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-05-16 | 2023-05-17 | 5,000 | $67.94 | $339.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-05-16 | 2023-05-17 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-04-17 | 2023-04-18 | 5,000 | — | $0 | 10,341,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-04-17 | 2023-04-18 | 291 | $71.08 | $20.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-04-17 | 2023-04-18 | 4,709 | $70.28 | $330.9K | 291 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-04-17 | 2023-04-18 | 5,000 | — | $0 | 5,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-03-15 | 2023-03-16 | 20,000 | — | $0 | 10,346,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-03-15 | 2023-03-16 | 8,676 | $66.49 | $576.9K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-03-15 | 2023-03-16 | 11,324 | $65.91 | $746.4K | 8,676 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-03-15 | 2023-03-16 | 20,000 | — | $0 | 20,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-02-15 | 2023-02-16 | 20,000 | — | $0 | 10,366,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-02-15 | 2023-02-16 | 16,604 | $57.60 | $956.4K | 3,396 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-02-15 | 2023-02-16 | 3,396 | $58.15 | $197.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-02-15 | 2023-02-16 | 20,000 | — | $0 | 20,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-01-17 | 2023-01-19 | 20,000 | — | $0 | 10,386,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-01-17 | 2023-01-19 | 20,000 | — | $0 | 20,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-01-17 | 2023-01-19 | 20,000 | $49.91 | $998.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-01-09 | 2023-01-10 | 20,000 | — | $0 | 10,406,610 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-01-09 | 2023-01-10 | 19,711 | $48.44 | $954.8K | 289 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-01-09 | 2023-01-10 | 289 | $49.05 | $14.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-01-09 | 2023-01-10 | 20,000 | — | $0 | 20,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-12-15 | 2021-12-17 | 23,669 | — | $0 | 10,426,610 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-12-15 | 2021-12-17 | 23,669 | — | $0 | 23,669 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-12-15 | 2021-12-17 | 6,377 | $70.10 | $447.0K | 17,292 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-12-15 | 2021-12-17 | 7,696 | $71.13 | $547.4K | 9,596 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-12-15 | 2021-12-17 | 9,112 | $72.32 | $659.0K | 484 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-12-15 | 2021-12-17 | 484 | $72.73 | $35.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-11-17 | 2021-11-19 | 9,867 | — | $0 | 10,450,279 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-11-17 | 2021-11-19 | 9,867 | — | $0 | 9,867 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-11-17 | 2021-11-19 | 9,867 | $78.27 | $772.3K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-11-16 | 2021-11-17 | 8,099 | — | $0 | 10,460,146 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-11-16 | 2021-11-17 | 8,099 | — | $0 | 8,099 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-11-16 | 2021-11-17 | 3,805 | $78.86 | $300.1K | 4,294 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-11-16 | 2021-11-17 | 4,294 | $79.33 | $340.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-11-15 | 2021-11-17 | 7,751 | — | $0 | 10,468,245 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-11-15 | 2021-11-17 | 7,751 | — | $0 | 7,751 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-11-15 | 2021-11-17 | 7,616 | $77.75 | $592.1K | 135 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-11-15 | 2021-11-17 | 135 | $78.36 | $10.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-10-19 | 2021-10-21 | 11,955 | — | $0 | 10,475,996 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-10-19 | 2021-10-21 | 11,955 | — | $0 | 11,955 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-10-19 | 2021-10-21 | 3,760 | $73.76 | $277.3K | 8,195 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-10-19 | 2021-10-21 | 8,195 | $74.27 | $608.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-10-18 | 2021-10-19 | 14,597 | — | $0 | 10,487,951 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-10-18 | 2021-10-19 | 500 | $72.85 | $36.4K | 14,097 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-10-18 | 2021-10-19 | 14,597 | — | $0 | 14,597 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-10-18 | 2021-10-19 | 14,097 | $73.69 | $1.04M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-10-15 | 2021-10-19 | 13,448 | — | $0 | 10,502,548 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-10-15 | 2021-10-19 | 6,826 | $73.91 | $504.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-10-15 | 2021-10-19 | 13,448 | — | $0 | 13,448 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-10-15 | 2021-10-19 | 6,622 | $73.01 | $483.5K | 6,826 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-09-17 | 2021-09-20 | 22,151 | — | $0 | 10,515,996 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-09-17 | 2021-09-20 | 22,151 | — | $0 | 22,151 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-09-17 | 2021-09-20 | 18,126 | $74.55 | $1.35M | 4,025 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-09-17 | 2021-09-20 | 3,925 | $75.17 | $295.0K | 100 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-09-17 | 2021-09-20 | 100 | $76.11 | $7.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-09-16 | 2021-09-17 | 9,031 | — | $0 | 10,538,147 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-09-16 | 2021-09-17 | 9,031 | — | $0 | 9,031 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-09-16 | 2021-09-17 | 7,673 | $75.02 | $575.6K | 1,358 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-09-16 | 2021-09-17 | 1,358 | $75.55 | $102.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-09-15 | 2021-09-17 | 8,818 | — | $0 | 10,547,178 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-09-15 | 2021-09-17 | 3,950 | $75.14 | $296.8K | 4,868 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-09-15 | 2021-09-17 | 4,868 | $75.61 | $368.1K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-09-15 | 2021-09-17 | 8,818 | — | $0 | 8,818 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-08-18 | 2021-08-19 | 13,907 | — | $0 | 10,555,996 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-08-18 | 2021-08-19 | 13,907 | — | $0 | 13,907 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-08-18 | 2021-08-19 | 200 | $71.41 | $14.3K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-08-18 | 2021-08-19 | 13,707 | $70.92 | $972.1K | 200 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-08-17 | 2021-08-18 | 7,279 | — | $0 | 10,569,903 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-08-17 | 2021-08-18 | 7,279 | $71.10 | $517.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-08-17 | 2021-08-18 | 7,279 | — | $0 | 7,279 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-08-16 | 2021-08-18 | 18,814 | — | $0 | 10,577,182 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-08-16 | 2021-08-18 | 18,814 | — | $0 | 18,814 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-08-16 | 2021-08-18 | 3,153 | $71.52 | $225.5K | 15,661 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-08-16 | 2021-08-18 | 15,661 | $72.24 | $1.13M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-07-19 | 2021-07-20 | 11,180 | — | $0 | 10,595,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-19 | 2021-07-20 | 1,411 | $63.99 | $90.3K | 8,469 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-19 | 2021-07-20 | 1,300 | $63.34 | $82.3K | 9,880 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-07-19 | 2021-07-20 | 11,180 | — | $0 | 11,180 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-19 | 2021-07-20 | 1,266 | $65.88 | $83.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-19 | 2021-07-20 | 7,203 | $65.32 | $470.5K | 1,266 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-07-16 | 2021-07-19 | 14,994 | — | $0 | 10,607,176 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-16 | 2021-07-19 | 4,773 | $66.34 | $316.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-16 | 2021-07-19 | 2,844 | $65.47 | $186.2K | 4,773 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-16 | 2021-07-19 | 7,377 | $64.39 | $475.0K | 7,617 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-07-16 | 2021-07-19 | 14,994 | — | $0 | 14,994 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-07-15 | 2021-07-19 | 13,826 | — | $0 | 10,622,170 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-15 | 2021-07-19 | 10,769 | $65.83 | $708.9K | 3,057 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-15 | 2021-07-19 | 126 | $67.80 | $8.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-07-15 | 2021-07-19 | 13,826 | — | $0 | 13,826 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-07-15 | 2021-07-19 | 2,931 | $66.66 | $195.4K | 126 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-06-17 | 2021-06-21 | 9,940 | — | $0 | 10,635,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-06-17 | 2021-06-21 | 200 | $63.43 | $12.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-06-17 | 2021-06-21 | 9,740 | $62.98 | $613.4K | 200 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-06-17 | 2021-06-21 | 9,940 | — | $0 | 9,940 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-06-16 | 2021-06-17 | 18,231 | — | $0 | 10,645,936 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-06-16 | 2021-06-17 | 7,693 | $63.82 | $491.0K | 200 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-06-16 | 2021-06-17 | 10,338 | $63.13 | $652.6K | 7,893 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-06-16 | 2021-06-17 | 200 | $64.64 | $12.9K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-06-16 | 2021-06-17 | 18,231 | — | $0 | 18,231 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-06-15 | 2021-06-17 | 11,829 | — | $0 | 10,664,167 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-06-15 | 2021-06-17 | 11,829 | — | $0 | 11,829 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-06-15 | 2021-06-17 | 196 | $66.54 | $13.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-06-15 | 2021-06-17 | 3,418 | $65.60 | $224.2K | 196 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-06-15 | 2021-06-17 | 8,215 | $64.66 | $531.2K | 3,614 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-05-19 | 2021-05-20 | 12,980 | — | $0 | 10,675,996 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-05-19 | 2021-05-20 | 12,980 | — | $0 | 12,980 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-05-19 | 2021-05-20 | 4,156 | $61.97 | $257.5K | 600 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-05-19 | 2021-05-20 | 8,224 | $60.82 | $500.2K | 4,756 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-05-19 | 2021-05-20 | 600 | $62.38 | $37.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-05-18 | 2021-05-19 | 17,515 | — | $0 | 10,688,976 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-05-18 | 2021-05-19 | 17,515 | — | $0 | 17,515 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-05-18 | 2021-05-19 | 6,802 | $64.71 | $440.2K | 3,681 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-05-18 | 2021-05-19 | 7,032 | $63.65 | $447.6K | 10,483 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-05-18 | 2021-05-19 | 3,681 | $65.61 | $241.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-05-17 | 2021-05-19 | 9,505 | — | $0 | 10,706,491 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-05-17 | 2021-05-19 | 200 | $65.77 | $13.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-05-17 | 2021-05-19 | 9,305 | $65.08 | $605.6K | 200 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-05-17 | 2021-05-19 | 9,505 | — | $0 | 9,505 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-04-15 | 2021-04-16 | 40,000 | — | $0 | 10,715,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-04-15 | 2021-04-16 | 1,300 | $66.18 | $86.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-04-15 | 2021-04-16 | 14,565 | $61.42 | $894.6K | 25,435 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-04-15 | 2021-04-16 | 5,532 | $62.35 | $344.9K | 19,903 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-04-15 | 2021-04-16 | 5,900 | $63.31 | $373.5K | 14,003 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-04-15 | 2021-04-16 | 5,162 | $64.30 | $331.9K | 8,841 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-04-15 | 2021-04-16 | 7,541 | $65.20 | $491.7K | 1,300 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-04-15 | 2021-04-16 | 40,000 | — | $0 | 40,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-03-17 | 2021-03-18 | 6,998 | — | $0 | 10,755,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-03-17 | 2021-03-18 | 2,583 | $60.54 | $156.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-03-17 | 2021-03-18 | 4,415 | $60.08 | $265.3K | 2,583 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-03-17 | 2021-03-18 | 6,998 | — | $0 | 6,998 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-03-16 | 2021-03-17 | 19,086 | — | $0 | 10,762,994 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-03-16 | 2021-03-17 | 19,086 | — | $0 | 19,086 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-03-16 | 2021-03-17 | 3,325 | $60.20 | $200.2K | 15,761 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-03-16 | 2021-03-17 | 10,806 | $60.90 | $658.1K | 4,955 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-03-16 | 2021-03-17 | 4,955 | $61.71 | $305.8K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-03-15 | 2021-03-17 | 13,916 | — | $0 | 10,782,080 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-03-15 | 2021-03-17 | 500 | $59.82 | $29.9K | 13,416 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-03-15 | 2021-03-17 | 13,916 | — | $0 | 13,916 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-03-15 | 2021-03-17 | 5,895 | $60.70 | $357.8K | 7,521 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-03-15 | 2021-03-17 | 7,521 | $61.85 | $465.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-02-18 | 2021-02-19 | 3,755 | — | $0 | 10,795,996 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-02-18 | 2021-02-19 | 3,755 | — | $0 | 3,755 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-18 | 2021-02-19 | 2,991 | $61.01 | $182.5K | 764 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-18 | 2021-02-19 | 764 | $61.51 | $47.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-02-17 | 2021-02-18 | 18,062 | — | $0 | 10,799,751 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-17 | 2021-02-18 | 14,441 | $62.28 | $899.4K | 3,621 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-02-17 | 2021-02-18 | 18,062 | — | $0 | 18,062 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-17 | 2021-02-18 | 2,677 | $63.30 | $169.5K | 944 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-17 | 2021-02-18 | 944 | $64.08 | $60.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-02-16 | 2021-02-18 | 18,183 | — | $0 | 10,817,813 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-16 | 2021-02-18 | 1,768 | $67.87 | $120.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-16 | 2021-02-18 | 5,094 | $67.11 | $341.9K | 1,768 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-16 | 2021-02-18 | 4,378 | $66.18 | $289.7K | 6,862 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-02-16 | 2021-02-18 | 6,943 | $65.05 | $451.6K | 11,240 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-02-16 | 2021-02-18 | 18,183 | — | $0 | 18,183 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-01-20 | 2021-01-22 | 7,430 | — | $0 | 10,835,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-01-20 | 2021-01-22 | 2,835 | $61.63 | $174.7K | 4,595 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-01-20 | 2021-01-22 | 7,430 | — | $0 | 7,430 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-01-20 | 2021-01-22 | 4,595 | $62.06 | $285.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-01-19 | 2021-01-20 | 17,737 | — | $0 | 10,843,426 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-01-19 | 2021-01-20 | 283 | $61.27 | $17.3K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-01-19 | 2021-01-20 | 17,737 | — | $0 | 17,737 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-01-19 | 2021-01-20 | 17,454 | $60.66 | $1.06M | 283 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2021-01-15 | 2021-01-20 | 14,833 | — | $0 | 10,861,163 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-01-15 | 2021-01-20 | 11,472 | $60.12 | $689.7K | 3,361 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2021-01-15 | 2021-01-20 | 3,361 | $61.06 | $205.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2021-01-15 | 2021-01-20 | 14,833 | — | $0 | 14,833 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-12-17 | 2020-12-21 | 3,906 | — | $0 | 10,875,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-12-17 | 2020-12-21 | 2,906 | $57.67 | $167.6K | 1,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-12-17 | 2020-12-21 | 1,000 | $58.33 | $58.3K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-12-17 | 2020-12-21 | 3,906 | — | $0 | 3,906 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-12-16 | 2020-12-17 | 18,082 | — | $0 | 10,879,902 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-12-16 | 2020-12-17 | 17,682 | $57.00 | $1.01M | 400 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-12-16 | 2020-12-17 | 18,082 | — | $0 | 18,082 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-12-16 | 2020-12-17 | 400 | $57.57 | $23.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-12-15 | 2020-12-17 | 18,012 | — | $0 | 10,897,984 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-12-15 | 2020-12-17 | 18,012 | — | $0 | 18,012 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-12-15 | 2020-12-17 | 12,698 | $56.73 | $720.4K | 5,314 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-12-15 | 2020-12-17 | 5,314 | $57.07 | $303.3K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-11-17 | 2020-11-18 | 20,994 | — | $0 | 10,915,996 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-11-17 | 2020-11-18 | 20,994 | — | $0 | 20,994 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-11-17 | 2020-11-18 | 12,363 | $49.10 | $607.0K | 8,631 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-11-17 | 2020-11-18 | 8,631 | $49.50 | $427.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-11-16 | 2020-11-18 | 19,006 | — | $0 | 10,936,990 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-11-16 | 2020-11-18 | 19,006 | — | $0 | 19,006 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-11-16 | 2020-11-18 | 3,898 | $49.44 | $192.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-11-16 | 2020-11-18 | 15,108 | $48.98 | $740.0K | 3,898 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-10-19 | 2020-10-21 | 9,126 | — | $0 | 10,955,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-10-19 | 2020-10-21 | 9,126 | $46.29 | $422.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-10-19 | 2020-10-21 | 9,126 | — | $0 | 9,126 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-10-16 | 2020-10-19 | 11,586 | — | $0 | 10,965,122 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-10-16 | 2020-10-19 | 11,586 | $46.28 | $536.2K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-10-16 | 2020-10-19 | 11,586 | — | $0 | 11,586 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-10-15 | 2020-10-19 | 19,288 | — | $0 | 10,976,708 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-10-15 | 2020-10-19 | 19,288 | — | $0 | 19,288 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-10-15 | 2020-10-19 | 18,414 | $45.75 | $842.4K | 874 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-10-15 | 2020-10-19 | 874 | $46.18 | $40.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-09-16 | 2020-09-17 | 26,131 | — | $0 | 10,995,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-09-16 | 2020-09-17 | 14,287 | $40.44 | $577.8K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-09-16 | 2020-09-17 | 11,844 | $41.30 | $489.2K | 14,287 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-09-16 | 2020-09-17 | 26,131 | — | $0 | 26,131 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-09-15 | 2020-09-17 | 13,869 | — | $0 | 11,022,127 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-09-15 | 2020-09-17 | 13,869 | $39.66 | $550.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-09-15 | 2020-09-17 | 13,869 | — | $0 | 13,869 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-08-18 | 2020-08-19 | 23,674 | — | $0 | 11,035,996 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-08-18 | 2020-08-19 | 23,674 | — | $0 | 23,674 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-08-18 | 2020-08-19 | 13,848 | $40.91 | $566.5K | 9,826 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-08-18 | 2020-08-19 | 9,826 | $41.52 | $408.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-08-17 | 2020-08-19 | 16,326 | — | $0 | 11,059,670 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-08-17 | 2020-08-19 | 16,225 | $40.43 | $656.0K | 101 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-08-17 | 2020-08-19 | 16,326 | — | $0 | 16,326 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-08-17 | 2020-08-19 | 101 | $40.84 | $4.1K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-07-17 | 2020-07-20 | 6,576 | — | $0 | 11,075,996 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-07-17 | 2020-07-20 | 6,576 | — | $0 | 6,576 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-07-17 | 2020-07-20 | 2,358 | $38.21 | $90.1K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-07-17 | 2020-07-20 | 4,218 | $37.62 | $158.7K | 2,358 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-07-16 | 2020-07-17 | 14,821 | — | $0 | 11,082,572 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-07-16 | 2020-07-17 | 14,821 | $37.21 | $551.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-07-16 | 2020-07-17 | 14,821 | — | $0 | 14,821 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2020-07-15 | 2020-07-17 | 18,603 | — | $0 | 11,097,393 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-07-15 | 2020-07-17 | 18,503 | $38.00 | $703.1K | 100 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2020-07-15 | 2020-07-17 | 100 | $38.68 | $3.9K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2020-07-15 | 2020-07-17 | 18,603 | — | $0 | 18,603 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2019-10-03 | 2019-10-07 | 30,534 | — | $0 | 11,115,996 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2019-10-03 | 2019-10-07 | 30,534 | $32.49 | $992.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2019-10-03 | 2019-10-07 | 30,534 | — | $0 | 30,534 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2019-10-02 | 2019-10-03 | 29,335 | — | $0 | 11,146,530 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2019-10-02 | 2019-10-03 | 29,335 | $32.87 | $964.2K | 0 | SEC↗ |