Jackson Scott Thomas — SEC Form 4 filings

SEC reporting owner CIK 1566617. 12 Form 4 filings on record with FilingPulse; latest filed 2026-06-25.

Transaction summary — filings shown

Covers all 12 filings on record, filed 2024-05-01 to 2026-06-25. 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
MACROGENICS INC (MGNX)Director412
Mural Oncology plc (MURA)Director46
Spero Therapeutics, Inc. (SPRO)Director34
GLYCOMIMETICS INC (GLYC)Director11

Form 4 filings — Jackson Scott Thomas

FiledFormIssuerReported transactionsSource
2026-06-254Spero Therapeutics, Inc. (SPRO)Grant/award (A): 10,000 @ $0 · Grant/award (A): 20,000 (derivative) @ $0EDGAR
2026-05-204MACROGENICS INC (MGNX)Option exercise (M): 3,750 · Option exercise (M): 3,750 (derivative) @ $0 · Grant/award (A): 3,750 (derivative) @ $0 · Grant/award (A): 22,000 (derivative) @ $0EDGAR
2025-12-054Mural Oncology plc (MURA)Disposition to issuer (D): 8,637 (derivative) · Disposition to issuer (D): 8,462 (derivative) · Disposition to issuer (D): 15,021 (derivative)EDGAR
2025-06-164Spero Therapeutics, Inc. (SPRO)Grant/award (A): 20,000 @ $0EDGAR
2025-06-134Mural Oncology plc (MURA)Grant/award (A): 8,637 (derivative) @ $0EDGAR
2025-05-224MACROGENICS INC (MGNX)Option exercise (M): 6,500 · Option exercise (M): 6,500 (derivative) @ $0 · Grant/award (A): 3,750 (derivative) @ $0 · Grant/award (A): 22,000 (derivative) @ $0EDGAR
2024-06-054/AMural Oncology plc (MURA)Grant/award (A): 8,462 (derivative) @ $0EDGAR
2024-06-034Mural Oncology plc (MURA)Grant/award (A): 8,462 (derivative) @ $3.35EDGAR
2024-05-304Spero Therapeutics, Inc. (SPRO)Grant/award (A): 20,000 @ $0EDGAR
2024-05-234MACROGENICS INC (MGNX)Grant/award (A): 6,500 (derivative) @ $0 · Grant/award (A): 16,500 (derivative) @ $0EDGAR
2024-05-224MACROGENICS INC (MGNX)Option exercise (M): 4,500 @ $0 · Option exercise (M): 4,500 (derivative) @ $0EDGAR
2024-05-014GLYCOMIMETICS INC (GLYC)Grant/award (A): 40,000 (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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