Brun Scott C. — SEC Form 4 filings

SEC reporting owner CIK 1863614. 10 Form 4 filings on record with FilingPulse; latest filed 2026-08-27.

Transaction summary — filings shown

Covers all 10 filings on record, filed 2024-06-04 to 2026-08-27. 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
Cabaletta Bio, Inc. (CABA)Director49
Forte Biosciences, Inc. (FBRX)Director48
Jasper Therapeutics, Inc. (JSPR)Director22

Form 4 filings — Brun Scott C.

FiledFormIssuerReported transactionsSource
2026-08-274Forte Biosciences, Inc. (FBRX)Disposition to issuer (D): 2,000 (derivative) · Disposition to issuer (D): 1,000 (derivative) · Disposition to issuer (D): 2,000 (derivative) · Disposition to issuer (D): 31,000 (derivative) · Disposition to issuer (D): 18,353 (derivative)EDGAR
2026-06-104Cabaletta Bio, Inc. (CABA)Grant/award (A): 22,000 (derivative) @ $0EDGAR
2026-06-024Forte Biosciences, Inc. (FBRX)Grant/award (A): 18,353 (derivative) @ $0EDGAR
2025-07-034Jasper Therapeutics, Inc. (JSPR)Grant/award (A): 7,500 (derivative) @ $0EDGAR
2025-06-094Cabaletta Bio, Inc. (CABA)Grant/award (A): 22,000 (derivative) @ $0EDGAR
2025-05-194Cabaletta Bio, Inc. (CABA)Disposition to issuer (D): 44,000 (derivative) @ $0 · Grant/award (A): 44,000 (derivative) @ $0 · Disposition to issuer (D): 22,000 (derivative) @ $0 · Grant/award (A): 22,000 (derivative) @ $0 · Disposition to issuer (D): 22,000 (derivative) @ $0 · Grant/award (A): 22,000 (derivative) @ $0EDGAR
2025-03-214Forte Biosciences, Inc. (FBRX)Grant/award (A): 31,000 (derivative) @ $0EDGAR
2024-08-224Forte Biosciences, Inc. (FBRX)Grant/award (A): 50,000 (derivative) @ $0EDGAR
2024-06-104Jasper Therapeutics, Inc. (JSPR)Grant/award (A): 7,500 (derivative) @ $0EDGAR
2024-06-044Cabaletta Bio, Inc. (CABA)Grant/award (A): 22,000 (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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