Gallagher Kathleen P. — SEC Form 4 filings
SEC reporting owner CIK 2048409. 12 Form 4 filings on record with FilingPulse; latest filed 2026-04-22.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2025-01-08 to 2026-04-22. 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): 12 legs across 8 filings — 39,885 shares, $1,220,744 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 29.
- Largest priced transaction: sale of 5,875 shares @ $32.48 ($190,833) in Avidity Biosciences, Inc., filed 2025-06-04.
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 |
|---|---|---|---|---|---|
| Avidity Biosciences, Inc. (RNAM) | Chief Program Officer | 11 | — | 12 legs · 39,885 sh · $1,220,744 | 27 |
| Atrium Therapeutics, Inc. (RNA) | See Remarks, Director | 1 | — | — | 2 |
Form 4 filings — Gallagher Kathleen P.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-04-22 | 4 | Atrium Therapeutics, Inc. (RNA) | Grant/award (A): 102,500 @ $0 · Grant/award (A): 205,000 (derivative) @ $0 | EDGAR |
| 2026-02-27 | 4 | Avidity Biosciences, Inc. (RNAM) | Disposition to issuer (D): 80,303 · Disposition to issuer (D): 22,321 (derivative) · Disposition to issuer (D): 13,829 (derivative) · Disposition to issuer (D): 9,244 (derivative) · Disposition to issuer (D): 13,352 (derivative) · Disposition to issuer (D): 27,584 (derivative) · +4 more | EDGAR |
| 2025-12-19 | 4 | Avidity Biosciences, Inc. (RNA) | Grant/award (A): 72,000 @ $0 · Tax withholding (F): 33,336 @ $71.87 · Tax withholding (F): 8,030 @ $71.87 | EDGAR |
| 2025-09-02 | 4 | Avidity Biosciences, Inc. (RNA) | Sale (S): 188 @ $47.42 | EDGAR |
| 2025-06-18 | 4 | Avidity Biosciences, Inc. (RNA) | Sale (S): 911 @ $30.24 | EDGAR |
| 2025-06-04 | 4 | Avidity Biosciences, Inc. (RNA) | Option exercise (M): 5,875 @ $16.65 · Sale (S): 5,875 @ $32.48 · Option exercise (M): 5,875 (derivative) @ $0 | EDGAR |
| 2025-05-02 | 4 | Avidity Biosciences, Inc. (RNA) | Option exercise (M): 5,875 @ $16.65 · Sale (S): 5,875 @ $32.40 · Option exercise (M): 5,875 (derivative) @ $0 | EDGAR |
| 2025-04-03 | 4 | Avidity Biosciences, Inc. (RNA) | Option exercise (M): 5,546 @ $14.70 · Sale (S): 5,546 @ $27.83 · Option exercise (M): 329 @ $16.65 · Sale (S): 329 @ $27.83 · Option exercise (M): 5,546 (derivative) @ $0 · Option exercise (M): 329 (derivative) @ $0 | EDGAR |
| 2025-03-04 | 4 | Avidity Biosciences, Inc. (RNA) | Option exercise (M): 5,875 @ $14.70 · Sale (S): 5,875 @ $29.41 · Option exercise (M): 5,875 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Avidity Biosciences, Inc. (RNA) | Option exercise (M): 5,875 @ $16.65 · Sale (S): 5,875 @ $32.16 · Option exercise (M): 5,875 (derivative) @ $0 | EDGAR |
| 2025-01-23 | 4 | Avidity Biosciences, Inc. (RNA) | Sale (S): 1,295 @ $28.59 · Sale (S): 670 @ $28.60 · Sale (S): 1,817 @ $28.59 · Sale (S): 5,629 @ $30.16 | EDGAR |
| 2025-01-08 | 4 | Avidity Biosciences, Inc. (RNA) | Grant/award (A): 25,000 @ $0 · Grant/award (A): 50,000 (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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