GC Investments LLC
Insider CIK 1720808 · 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 | 4,044,004 | $113.00 | $456.97M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | D To issuer | 2025-03-26 | 2025-03-26 | 300,000 | $113.00 | $33.90M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-10-14 | 2024-10-15 | 2,176 | $95.31 | $207.4K | 300,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-10-11 | 2024-10-15 | 94,109 | $95.20 | $8.96M | 305,891 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-10-11 | 2024-10-15 | 3,715 | $96.15 | $357.2K | 302,176 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-06-17 | 2024-06-18 | 300,000 | — | $0 | 4,044,004 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-06-17 | 2024-06-18 | 300,000 | — | $0 | 400,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-06-12 | 2024-06-13 | 76,384 | $97.12 | $7.42M | 123,616 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-06-12 | 2024-06-13 | 23,616 | $97.59 | $2.30M | 100,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-05-21 | 2024-05-22 | 1,296 | $90.86 | $117.8K | 200,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-05-20 | 2024-05-22 | 33,046 | $91.49 | $3.02M | 216,954 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-05-20 | 2024-05-22 | 15,658 | $92.20 | $1.44M | 201,296 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-05-17 | 2024-05-20 | 2,200 | $91.16 | $200.6K | 250,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-05-17 | 2024-05-20 | 47,800 | $90.32 | $4.32M | 252,200 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2024-02-23 | 2024-03-25 | 300,000 | — | $0 | 4,344,004 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2024-02-23 | 2024-03-25 | 300,000 | — | $0 | 300,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-12-08 | 2023-12-11 | 4,564 | — | $0 | 4,644,004 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-12-08 | 2023-12-11 | 4,564 | $71.58 | $326.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-12-08 | 2023-12-11 | 4,564 | — | $0 | 4,564 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-12-06 | 2023-12-08 | 14,411 | — | $0 | 4,648,568 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-12-06 | 2023-12-08 | 900 | $72.84 | $65.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-12-06 | 2023-12-08 | 13,511 | $72.00 | $972.8K | 900 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-12-06 | 2023-12-08 | 14,411 | — | $0 | 14,411 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-12-01 | 2023-12-05 | 45,766 | — | $0 | 4,662,979 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-12-01 | 2023-12-05 | 45,766 | — | $0 | 45,766 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-12-01 | 2023-12-05 | 45,766 | $72.79 | $3.33M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-11-30 | 2023-12-01 | 1,128 | — | $0 | 4,708,745 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-11-30 | 2023-12-01 | 1,128 | $72.65 | $81.9K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-11-30 | 2023-12-01 | 1,128 | — | $0 | 1,128 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-11-29 | 2023-12-01 | 25,554 | — | $0 | 4,709,873 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-11-29 | 2023-12-01 | 100 | $73.84 | $7.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-11-29 | 2023-12-01 | 25,454 | $73.10 | $1.86M | 100 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-11-29 | 2023-12-01 | 25,554 | — | $0 | 25,554 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-11-21 | 2023-11-22 | 8,577 | — | $0 | 4,735,427 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-11-21 | 2023-11-22 | 7,944 | $73.04 | $580.2K | 633 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-11-21 | 2023-11-22 | 633 | $73.73 | $46.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-11-21 | 2023-11-22 | 8,577 | — | $0 | 8,577 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-04-14 | 2023-04-17 | 50,000 | — | $0 | 4,744,004 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-04-14 | 2023-04-17 | 50,000 | — | $0 | 50,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-04-14 | 2023-04-17 | 40,833 | $70.98 | $2.90M | 9,167 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-04-14 | 2023-04-17 | 9,167 | $71.78 | $658.0K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-04-13 | 2023-04-17 | 50,000 | — | $0 | 4,794,004 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-04-13 | 2023-04-17 | 50,000 | $71.34 | $3.57M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-04-13 | 2023-04-17 | 50,000 | — | $0 | 50,000 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-03-14 | 2023-03-16 | 50,182 | — | $0 | 4,844,004 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-03-14 | 2023-03-16 | 15,430 | $66.37 | $1.02M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-03-14 | 2023-03-16 | 50,182 | — | $0 | 50,182 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-03-14 | 2023-03-16 | 34,752 | $65.86 | $2.29M | 15,430 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2023-03-10 | 2023-03-14 | 49,818 | — | $0 | 4,894,186 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-03-10 | 2023-03-14 | 49,818 | $64.77 | $3.23M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2023-03-10 | 2023-03-14 | 49,818 | — | $0 | 49,818 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2019-08-02 | 2019-08-05 | 32,765 | — | $0 | 4,944,004 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2019-08-02 | 2019-08-05 | 32,765 | — | $0 | 32,765 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2019-08-02 | 2019-08-05 | 32,765 | $40.42 | $1.32M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2019-08-01 | 2019-08-05 | 7,235 | — | $0 | 4,976,769 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2019-08-01 | 2019-08-05 | 7,235 | $41.37 | $299.3K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2019-08-01 | 2019-08-05 | 7,235 | — | $0 | 7,235 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2019-07-12 | 2019-07-16 | 6,989 | — | $0 | 4,984,004 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2019-07-12 | 2019-07-16 | 6,989 | — | $0 | 6,989 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2019-07-12 | 2019-07-16 | 6,989 | $41.44 | $289.6K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2019-07-11 | 2019-07-15 | 12,935 | — | $0 | 4,990,993 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2019-07-11 | 2019-07-15 | 12,935 | — | $0 | 12,935 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2019-07-11 | 2019-07-15 | 12,935 | $42.22 | $546.1K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2019-07-10 | 2019-07-12 | 20,076 | — | $0 | 5,003,928 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2019-07-10 | 2019-07-12 | 20,076 | — | $0 | 20,076 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2019-07-10 | 2019-07-12 | 20,076 | $42.21 | $847.4K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2018-06-11 | 2018-06-11 | 200,000 | — | $0 | 5,024,004 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2018-06-11 | 2018-06-11 | 200,000 | — | $0 | 200,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2018-06-11 | 2018-06-11 | 200,000 | $33.43 | $6.69M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2017-11-03 | 2018-06-11 | 1,200,000 | — | $0 | 5,224,004 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2017-11-03 | 2018-06-11 | 1,200,000 | — | $0 | 1,200,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2017-11-03 | 2018-06-11 | 1,200,000 | $12.09 | $14.51M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion deriv | 2017-11-03 | 2017-11-03 | 800,000 | — | $0 | 5,624,004 | SEC↗ |
| ALTR Altair Engineering Inc. | C Conversion | 2017-11-03 | 2017-11-03 | 800,000 | — | $0 | 800,000 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2017-11-03 | 2017-11-03 | 800,000 | $12.09 | $9.67M | 0 | SEC↗ |