| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technology Officer | Mar 04, 2024 | Sale | $85.32 | 457 | 38,991 | 30,459 | Mar 05, 2024, 02:36 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technology Officer | Jan 12, 2024 | Option Exercise | $63.92 | 94 | 6,008 | 30,916 | Jan 17, 2024, 05:21 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technology Officer | Jul 14, 2023 | Option Exercise | $42.65 | 140 | 5,971 | 30,822 | Jul 17, 2023, 02:03 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technology Officer | Mar 09, 2023 | Sale | $67.25 | 232 | 15,602 | 33,334 | Jun 13, 2023, 06:51 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technology Officer | Jun 12, 2023 | Sale | $75.59 | 2,651 | 200,402 | 30,863 | Jun 13, 2023, 06:51 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technology Officer | Mar 16, 2023 | Sale | $67.72 | 5,152 | 348,916 | 33,718 | Mar 17, 2023, 02:20 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technical Officer | Jan 14, 2023 | Option Exercise | $42.31 | 142 | 6,008 | 32,780 | Jan 18, 2023, 12:08 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technical Officer | Nov 15, 2022 | Option Exercise | $2.48 | 2,000 | 4,960 | 32,638 | Nov 16, 2022, 08:54 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technical Officer | Jul 14, 2022 | Option Exercise | $41.68 | 145 | 6,044 | 30,638 | Jul 18, 2022, 06:47 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technical Officer | Dec 04, 2020 | Option Exercise | $0.64 | 6,819 | 4,364 | 30,492 | Apr 22, 2022, 08:27 AM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technical Officer | Mar 16, 2022 | Sale | $58.50 | 153 | 8,950 | 23,676 | Mar 18, 2022, 12:55 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | Chief Technical Officer | Jan 14, 2022 | Option Exercise | $54.47 | 109 | 5,937 | 20,977 | Jan 19, 2022, 02:29 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | Nov 13, 2020 | Sale | $20.28 | 22,181 | 449,859 | 27,775 | Nov 16, 2020, 06:39 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | Mar 16, 2020 | Sale | $24.61 | 230 | 5,660 | 14,594 | Mar 18, 2020, 03:27 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | Mar 09, 2020 | Sale | $28.83 | 192 | 5,535 | 13,352 | Mar 11, 2020, 07:01 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | Oct 16, 2019 | Option Exercise | $0.64 | 8,000 | 5,120 | 13,544 | Oct 18, 2019, 12:57 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | Mar 06, 2019 | Sale | $35.64 | 167 | 5,952 | 9,903 | Jun 05, 2019, 08:59 PM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | Apr 05, 2019 | Sale | $37.68 | 7,000 | 263,760 | 5,711 | Apr 08, 2019, 07:23 AM | |
| ALTR | Altair Engineering Inc. | Srikanth Mahalingam | See Remarks | Dec 08, 2017 | Option Exercise | $0.46 | 8,000 | 3,680 | 8,000 | Jun 11, 2018, 04:06 PM |
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