| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 04, 2024 | Sale | $85.32 | 491 | 41,892 | 33,347 | Mar 05, 2024, 02:37 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Feb 28, 2024 | Sale | $83.65 | 375 | 31,369 | 33,838 | Feb 29, 2024, 03:29 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Jun 02, 2023 | Sale | $74.03 | 2,356 | 174,403 | 34,213 | Jun 05, 2023, 03:34 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | May 16, 2023 | Sale | $67.78 | 3,636 | 246,459 | 34,213 | May 17, 2023, 09:58 AM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 16, 2023 | Sale | $64.97 | 422 | 27,418 | 34,333 | Mar 17, 2023, 02:17 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 17, 2023 | Sale | $68.11 | 116 | 7,901 | 34,213 | Mar 17, 2023, 02:17 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 15, 2023 | Sale | $65.47 | 1,524 | 99,776 | 34,751 | Mar 16, 2023, 09:08 AM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 01, 2023 | Sale | $63.84 | 373 | 23,812 | 29,751 | Mar 03, 2023, 01:07 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Nov 23, 2022 | Sale | $24.79 | 8,000 | 198,356 | 34,124 | Nov 25, 2022, 02:48 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Jul 14, 2022 | Sale | $42.16 | 154 | 6,492 | 30,133 | Jul 18, 2022, 10:14 AM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 17, 2022 | Sale | $61.13 | 116 | 7,091 | 29,988 | Mar 21, 2022, 12:05 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 16, 2022 | Sale | $58.50 | 417 | 24,393 | 30,109 | Mar 18, 2022, 10:58 AM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 15, 2022 | Sale | $59.48 | 8 | 476 | 30,521 | Mar 16, 2022, 06:25 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 07, 2022 | Sale | $64.55 | 105 | 6,778 | 26,620 | Mar 09, 2022, 08:02 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 17, 2021 | Sale | $59.58 | 118 | 7,030 | 26,726 | Mar 18, 2021, 07:16 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 16, 2021 | Sale | $60.42 | 252 | 15,225 | 26,844 | Mar 18, 2021, 04:12 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 04, 2021 | Sale | $61.51 | 105 | 6,458 | 25,421 | Mar 08, 2021, 07:15 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Nov 25, 2020 | Option Exercise | $26.35 | 8,000 | 210,816 | 29,526 | Nov 27, 2020, 01:50 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Jun 04, 2020 | Sale | $39.30 | 2,000 | 78,600 | 25,526 | Jun 08, 2020, 02:35 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 16, 2020 | Sale | $24.61 | 213 | 5,242 | 27,526 | Mar 18, 2020, 03:20 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 09, 2020 | Sale | $28.83 | 94 | 2,710 | 26,561 | Mar 11, 2020, 07:00 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Dec 13, 2019 | Sale | $33.54 | 56 | 1,878 | 26,655 | Dec 16, 2019, 01:00 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Dec 11, 2019 | Option Exercise | $8.51 | 10,754 | 91,513 | 29,465 | Dec 13, 2019, 04:57 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Mar 06, 2019 | Sale | $35.64 | 85 | 3,029 | 18,950 | Jun 05, 2019, 09:09 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Jun 11, 2018 | Sale | $33.42 | 4,000 | 133,700 | 19,035 | Jun 11, 2018, 04:16 PM | |
| ALTR | Altair Engineering Inc. | Dias Nelson | Chief Revenue Officer | Dec 11, 2017 | Option Exercise | $0.46 | 2,000 | 920 | 22,000 | Jun 11, 2018, 04:08 PM |
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