GC Investments LLC — SEC Form 4 filings

SEC reporting owner CIK 1720808. 7 Form 4 filings on record with FilingPulse; latest filed 2025-03-26.

Transaction summary — filings shown

Covers all 7 filings on record, filed 2024-03-25 to 2025-03-26. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By issuer — same filings

Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

IssuerRole (as filed)FilingsPurchases (P)Sales (S)Other legs
Altair Engineering Inc. (ALTR)10% owner710 legs · 300,000 sh · $28,348,9206

Form 4 filings — GC Investments LLC

FiledFormIssuerReported transactionsSource
2025-03-264Altair Engineering Inc. (ALTR)Disposition to issuer (D): 300,000 @ $113 · Disposition to issuer (D): 4,044,004 (derivative) @ $113EDGAR
2024-10-154Altair Engineering Inc. (ALTR)Sale (S): 94,109 @ $95.20 · Sale (S): 3,715 @ $96.15 · Sale (S): 2,176 @ $95.31EDGAR
2024-06-184Altair Engineering Inc. (ALTR)Conversion (C): 300,000 @ $0 · Conversion (C): 300,000 (derivative) @ $0EDGAR
2024-06-134Altair Engineering Inc. (ALTR)Sale (S): 76,384 @ $97.12 · Sale (S): 23,616 @ $97.59EDGAR
2024-05-224Altair Engineering Inc. (ALTR)Sale (S): 33,046 @ $91.49 · Sale (S): 15,658 @ $92.20 · Sale (S): 1,296 @ $90.86EDGAR
2024-05-204Altair Engineering Inc. (ALTR)Sale (S): 47,800 @ $90.32 · Sale (S): 2,200 @ $91.16EDGAR
2024-03-254Altair Engineering Inc. (ALTR)Conversion (C): 300,000 @ $0 · Conversion (C): 300,000 (derivative) @ $0EDGAR

FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.

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