DUNCAN BARBARA GAYLE — SEC Form 4 filings

SEC reporting owner CIK 1353128. 12 Form 4 filings on record with FilingPulse; latest filed 2026-06-23.

Transaction summary — filings shown

Covers all 12 filings on record, filed 2024-02-26 to 2026-06-23. 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
Atea Pharmaceuticals, Inc. (AVIR)Director412
HALOZYME THERAPEUTICS, INC. (HALO)Director36
Fusion Pharmaceuticals Inc. (FUSN)Director14
Ovid Therapeutics Inc. (OVID)Director44

Form 4 filings — DUNCAN BARBARA GAYLE

FiledFormIssuerReported transactionsSource
2026-06-234Atea Pharmaceuticals, Inc. (AVIR)Option exercise (M): 29,600 @ $0 · Option exercise (M): 29,600 (derivative) @ $0 · Grant/award (A): 26,700 (derivative) @ $0 · Grant/award (A): 37,700 (derivative) @ $0EDGAR
2026-05-074HALOZYME THERAPEUTICS, INC. (HALO)Grant/award (A): 3,796 @ $0 · Grant/award (A): 6,040 (derivative) @ $0EDGAR
2026-03-024Ovid Therapeutics Inc. (OVID)Grant/award (A): 65,000 (derivative) @ $0EDGAR
2025-06-244Atea Pharmaceuticals, Inc. (AVIR)Option exercise (M): 29,600 @ $0 · Grant/award (A): 29,600 (derivative) @ $0 · Grant/award (A): 41,200 (derivative) @ $0 · Option exercise (M): 29,600 (derivative) @ $0EDGAR
2025-06-184Ovid Therapeutics Inc. (OVID)Grant/award (A): 45,000 (derivative) @ $0EDGAR
2025-05-024HALOZYME THERAPEUTICS, INC. (HALO)Grant/award (A): 4,165 @ $0 · Grant/award (A): 5,750 (derivative) @ $0EDGAR
2024-12-164Ovid Therapeutics Inc. (OVID)Grant/award (A): 90,000 (derivative) @ $0EDGAR
2024-06-214Atea Pharmaceuticals, Inc. (AVIR)Grant/award (A): 29,600 (derivative) @ $0 · Grant/award (A): 41,200 (derivative) @ $0EDGAR
2024-06-184Atea Pharmaceuticals, Inc. (AVIR)Option exercise (M): 33,150 @ $0 · Option exercise (M): 33,150 (derivative) @ $0EDGAR
2024-06-044Fusion Pharmaceuticals Inc. (FUSN)Disposition to issuer (D): 30,000 (derivative) · Disposition to issuer (D): 17,000 (derivative) · Disposition to issuer (D): 17,000 (derivative) · Disposition to issuer (D): 17,000 (derivative)EDGAR
2024-04-294HALOZYME THERAPEUTICS, INC. (HALO)Grant/award (A): 6,501 @ $0 · Grant/award (A): 8,804 (derivative) @ $0EDGAR
2024-02-264Ovid Therapeutics Inc. (OVID)Grant/award (A): 30,000 (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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