Ruddy Marcella K. — SEC Form 4 filings

SEC reporting owner CIK 2023849. 15 Form 4 filings on record with FilingPulse; latest filed 2026-09-08.

Transaction summary — filings shown

Covers all 15 filings on record, filed 2024-06-24 to 2026-09-08. 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
Tectonic Therapeutic, Inc. (TECX)Chief Medical Officer93 legs · 12,065 sh · $363,00012
Sionna Therapeutics, Inc. (SION)Director33
Upstream Bio, Inc. (UPB)Director33

Form 4 filings — Ruddy Marcella K.

FiledFormIssuerReported transactionsSource
2026-09-084Tectonic Therapeutic, Inc. (TECX)Grant/award (A): 24,250 (derivative) @ $0EDGAR
2026-06-184Sionna Therapeutics, Inc. (SION)Grant/award (A): 17,340 (derivative) @ $0EDGAR
2026-06-114Upstream Bio, Inc. (UPB)Grant/award (A): 17,096 (derivative) @ $0EDGAR
2026-05-064Tectonic Therapeutic, Inc. (TECX)Sale (S): 1,065 @ $30EDGAR
2026-04-034Tectonic Therapeutic, Inc. (TECX)Sale (S): 1,000 @ $31.05EDGAR
2026-03-094Tectonic Therapeutic, Inc. (TECX)Sale (S): 10,000 @ $30EDGAR
2026-03-054Tectonic Therapeutic, Inc. (TECX)Grant/award (A): 26,500 @ $0 · Grant/award (A): 24,250 (derivative) @ $0EDGAR
2026-02-104Tectonic Therapeutic, Inc. (TECX)Tax withholding (F): 2,064 @ $23.22EDGAR
2025-09-294Tectonic Therapeutic, Inc. (TECX)Grant/award (A): 5,370 @ $0 · Grant/award (A): 9,750 (derivative) @ $0EDGAR
2025-06-164Sionna Therapeutics, Inc. (SION)Grant/award (A): 19,959 (derivative) @ $0EDGAR
2025-06-124Upstream Bio, Inc. (UPB)Grant/award (A): 17,096 (derivative) @ $0EDGAR
2025-02-104Sionna Therapeutics, Inc. (SION)Grant/award (A): 39,919 (derivative) @ $0EDGAR
2025-02-064Tectonic Therapeutic, Inc. (TECX)Grant/award (A): 17,876 @ $0 · Grant/award (A): 32,502 (derivative) @ $0EDGAR
2024-10-154Upstream Bio, Inc. (UPB)Grant/award (A): 17,096 (derivative) @ $0EDGAR
2024-06-244Tectonic Therapeutic, Inc. (TECX)Grant/award (A): 32,065 · Grant/award (A): 43,946 (derivative) · Grant/award (A): 18,704 (derivative) · Grant/award (A): 81,700 (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.

Need this as JSON? GET https://api.filingpulse.io/v1/insider-trades?owner_cik=2023849 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →