Kathleen P. Gallagher
CIK: 0002048409
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (25 total)
- Sep 18, 2026RNA
Atrium Therapeutics, Inc.
Tax Payment(F)Direct11.6K shares at avg. $8.95$104K - Apr 20, 2026RNA
Atrium Therapeutics, Inc.
Award(A)Direct102.5K shares- - Feb 27, 2026RNAM
Avidity Biosciences, Inc.
Disposition(D)Direct80.3K shares- - Dec 17, 2025RNA
Avidity Biosciences, Inc.
Tax Payment(F)Direct8K shares at avg. $71.87$577K - Dec 17, 2025RNA
Avidity Biosciences, Inc.
Tax Payment(F)Direct33.3K shares at avg. $71.87$2.4M - Dec 17, 2025RNA
Avidity Biosciences, Inc.
Award(A)Direct72K shares- - Sep 2, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct188 shares at avg. $47.42$9K - Jun 17, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct911 shares at avg. $30.24$28K - Jun 2, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct5.9K shares at avg. $32.48$191K - Jun 2, 2025RNA
Avidity Biosciences, Inc.
Exercise(M)Direct5.9K shares at avg. $16.65$98K - May 1, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct5.9K shares at avg. $32.40$190K - May 1, 2025RNA
Avidity Biosciences, Inc.
Exercise(M)Direct5.9K shares at avg. $16.65$98K - Apr 1, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct5.5K shares at avg. $27.83$154K - Apr 1, 2025RNA
Avidity Biosciences, Inc.
Exercise(M)Direct5.5K shares at avg. $14.70$82K - Apr 1, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct329 shares at avg. $27.83$9K - Apr 1, 2025RNA
Avidity Biosciences, Inc.
Exercise(M)Direct329 shares at avg. $16.65$5K - Mar 3, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct5.9K shares at avg. $29.41$173K - Mar 3, 2025RNA
Avidity Biosciences, Inc.
Exercise(M)Direct5.9K shares at avg. $14.70$86K - Feb 3, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct5.9K shares at avg. $32.16$189K - Feb 3, 2025RNA
Avidity Biosciences, Inc.
Exercise(M)Direct5.9K shares at avg. $16.65$98K - Jan 22, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct5.6K shares at avg. $30.16$170K - Jan 21, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct1.8K shares at avg. $28.59$52K - Jan 21, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct670 shares at avg. $28.60$19K - Jan 21, 2025RNA
Avidity Biosciences, Inc.
Sale(S)Direct1.3K shares at avg. $28.59$37K - Jan 6, 2025RNA
Avidity Biosciences, Inc.
Award(A)Direct25K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 18, 2026 |  RNA Atrium Therapeutics, Inc. | Tax Payment(F) | 11,632 | $8.95 | $104,106 | Direct |
| Apr 20, 2026 | RNA Atrium Therapeutics, Inc. | Award(A) | 102,500 | - | $0 | Direct |
| Feb 27, 2026 |  RNAM Avidity Biosciences, Inc. | Disposition(D) | 80,303 | - | $0 | Direct |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | Tax Payment(F) | 8,030 | $71.87 | $577,116 | Direct |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | Tax Payment(F) | 33,336 | $71.87 | $2,395,858 | Direct |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | Award(A) | 72,000 | - | - | Direct |
| Sep 2, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 188 | $47.42 | $8,915 | Direct |
| Jun 17, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 911 | $30.24 | $27,549 | Direct |
| Jun 2, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 5,875 | $32.48 | $190,833 | Direct |
| Jun 2, 2025 | RNA Avidity Biosciences, Inc. | Exercise(M) | 5,875 | $16.65 | $97,819 | Direct |
| May 1, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 5,875 | $32.40 | $190,324 | Direct |
| May 1, 2025 | RNA Avidity Biosciences, Inc. | Exercise(M) | 5,875 | $16.65 | $97,819 | Direct |
| Apr 1, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 5,546 | $27.83 | $154,331 | Direct |
| Apr 1, 2025 | RNA Avidity Biosciences, Inc. | Exercise(M) | 5,546 | $14.70 | $81,526 | Direct |
| Apr 1, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 329 | $27.83 | $9,155 | Direct |
| Apr 1, 2025 | RNA Avidity Biosciences, Inc. | Exercise(M) | 329 | $16.65 | $5,478 | Direct |
| Mar 3, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 5,875 | $29.41 | $172,807 | Direct |
| Mar 3, 2025 | RNA Avidity Biosciences, Inc. | Exercise(M) | 5,875 | $14.70 | $86,363 | Direct |
| Feb 3, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 5,875 | $32.16 | $188,918 | Direct |
| Feb 3, 2025 | RNA Avidity Biosciences, Inc. | Exercise(M) | 5,875 | $16.65 | $97,819 | Direct |
| Jan 22, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 5,629 | $30.16 | $169,776 | Direct |
| Jan 21, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 1,817 | $28.59 | $51,953 | Direct |
| Jan 21, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 670 | $28.60 | $19,159 | Direct |
| Jan 21, 2025 | RNA Avidity Biosciences, Inc. | Sale(S) | 1,295 | $28.59 | $37,024 | Direct |
| Jan 6, 2025 | RNA Avidity Biosciences, Inc. | Award(A) | 25,000 | - | $0 | Direct |
1-25 of 25 transactions
About Gallagher Kathleen P.
Gallagher Kathleen P. (SEC CIK 0002048409) files insider reports with the SEC as Director of Atrium Therapeutics, Inc. (RNA) and Chief Program Officer of Avidity Biosciences, Inc. (RNAM).
Signal8 holds 15 ownership filings by Gallagher Kathleen P. (2 Form 3, 13 Form 4), filed between Jan 8, 2025 and Sep 22, 2026. Those filings report 25 transactions, from Jan 6, 2025 to Sep 18, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Gallagher Kathleen P.'s filings is in SAN DIEGO, CA.
Recent filings by Gallagher Kathleen P.
- Sep 18, 2026: Tax withholding of RNA shares (Form 4, code F).
- Apr 20, 2026: Grant or award of RNA shares (Form 4, code A).
- Feb 27, 2026: Disposition to issuer transaction of RNAM shares (Form 4, code D).
- Dec 17, 2025: Tax withholdings of RNA shares (2 lines, Form 4, code F).
- Dec 17, 2025: Grant or award of RNA shares (Form 4, code A).
Other insiders filing for Atrium Therapeutics, Inc. (RNA)
- Younis Husam, Chief Scientific Officer
- Hughes Steven George, Chief Medical Officer
- Flanagan W. Michael, Director
- Boyce Sarah, Director
- Kenney Stephanie
- Winslow Brendan R., Chief Financial Officer