Webster Stephen W — SEC Form 4 filings

SEC reporting owner CIK 1438421. 10 Form 4 filings on record with FilingPulse; latest filed 2026-06-22.

Transaction summary — filings shown

Covers all 10 filings on record, filed 2024-04-30 to 2026-06-22. 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
Gritstone bio, Inc. (GRTS)Director35
Cullinan Therapeutics, Inc. (CGEM)Director33
NextCure, Inc. (NXTC)Director33
Eloxx Pharmaceuticals, Inc. (ELOX)Director11

Form 4 filings — Webster Stephen W

FiledFormIssuerReported transactionsSource
2026-06-224NextCure, Inc. (NXTC)Grant/award (A): 2,340 (derivative) @ $0EDGAR
2026-06-184Cullinan Therapeutics, Inc. (CGEM)Grant/award (A): 25,319 (derivative) @ $0EDGAR
2026-06-104Eloxx Pharmaceuticals, Inc. (ELOX)Grant/award (A): 13,587 (derivative) @ $0EDGAR
2025-06-244NextCure, Inc. (NXTC)Grant/award (A): 18,700 (derivative) @ $0EDGAR
2025-06-164Cullinan Therapeutics, Inc. (CGEM)Grant/award (A): 38,513 (derivative) @ $0EDGAR
2025-04-084Gritstone bio, Inc. (GRTS)Other (J): 25,000 @ $0 · Other (J): 103,600 (derivative) @ $0 · Other (J): 7,379 (derivative) @ $0EDGAR
2024-06-274Cullinan Therapeutics, Inc. (CGEM)Grant/award (A): 15,806 (derivative) @ $0EDGAR
2024-06-214NextCure, Inc. (NXTC)Grant/award (A): 18,700 (derivative) @ $0EDGAR
2024-06-204Gritstone bio, Inc. (GRTS)Grant/award (A): 7,379 (derivative) @ $0EDGAR
2024-04-304Gritstone bio, Inc. (GRTS)Grant/award (A): 103,600 (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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