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.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 3 legs across 3 filings — 12,065 shares, $363,000 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 18.
- Largest priced transaction: sale of 10,000 shares @ $30.00 ($300,000) in Tectonic Therapeutic, Inc., filed 2026-03-09.
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.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Tectonic Therapeutic, Inc. (TECX) | Chief Medical Officer | 9 | — | 3 legs · 12,065 sh · $363,000 | 12 |
| Sionna Therapeutics, Inc. (SION) | Director | 3 | — | — | 3 |
| Upstream Bio, Inc. (UPB) | Director | 3 | — | — | 3 |
Form 4 filings — Ruddy Marcella K.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-08 | 4 | Tectonic Therapeutic, Inc. (TECX) | Grant/award (A): 24,250 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Sionna Therapeutics, Inc. (SION) | Grant/award (A): 17,340 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | Upstream Bio, Inc. (UPB) | Grant/award (A): 17,096 (derivative) @ $0 | EDGAR |
| 2026-05-06 | 4 | Tectonic Therapeutic, Inc. (TECX) | Sale (S): 1,065 @ $30 | EDGAR |
| 2026-04-03 | 4 | Tectonic Therapeutic, Inc. (TECX) | Sale (S): 1,000 @ $31.05 | EDGAR |
| 2026-03-09 | 4 | Tectonic Therapeutic, Inc. (TECX) | Sale (S): 10,000 @ $30 | EDGAR |
| 2026-03-05 | 4 | Tectonic Therapeutic, Inc. (TECX) | Grant/award (A): 26,500 @ $0 · Grant/award (A): 24,250 (derivative) @ $0 | EDGAR |
| 2026-02-10 | 4 | Tectonic Therapeutic, Inc. (TECX) | Tax withholding (F): 2,064 @ $23.22 | EDGAR |
| 2025-09-29 | 4 | Tectonic Therapeutic, Inc. (TECX) | Grant/award (A): 5,370 @ $0 · Grant/award (A): 9,750 (derivative) @ $0 | EDGAR |
| 2025-06-16 | 4 | Sionna Therapeutics, Inc. (SION) | Grant/award (A): 19,959 (derivative) @ $0 | EDGAR |
| 2025-06-12 | 4 | Upstream Bio, Inc. (UPB) | Grant/award (A): 17,096 (derivative) @ $0 | EDGAR |
| 2025-02-10 | 4 | Sionna Therapeutics, Inc. (SION) | Grant/award (A): 39,919 (derivative) @ $0 | EDGAR |
| 2025-02-06 | 4 | Tectonic Therapeutic, Inc. (TECX) | Grant/award (A): 17,876 @ $0 · Grant/award (A): 32,502 (derivative) @ $0 | EDGAR |
| 2024-10-15 | 4 | Upstream Bio, Inc. (UPB) | Grant/award (A): 17,096 (derivative) @ $0 | EDGAR |
| 2024-06-24 | 4 | Tectonic 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) @ $0 | EDGAR |
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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