Gallagher Kathleen P.
SEC insider (Form 3/4/5 filer). CIK 0002048409. Director at Atrium Therapeutics, Inc. (RNA) and 1 other issuer. 25 reported Form 4/5 transactions since Sep 2024; latest on Sep 18, 2026. Located in SAN DIEGO, CA.
Companies Gallagher Kathleen P. has filed insider reports for
- Atrium Therapeutics, Inc. (RNA): Director, Officer, See Remarks
- Avidity Biosciences, Inc. (RNAM): Officer, Chief Program Officer
Gallagher Kathleen P.
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 PaymentDirect11.6K shares at avg. $8.95$104K - Apr 20, 2026RNA
Atrium Therapeutics, Inc.
AwardDirect102.5K shares- - Feb 27, 2026RNAM
Avidity Biosciences, Inc.
DispositionDirect80.3K shares- - Dec 17, 2025RNA
Avidity Biosciences, Inc.
AwardDirect72K shares- - Dec 17, 2025RNA
Avidity Biosciences, Inc.
Tax PaymentDirect8K shares at avg. $71.87$577K - Dec 17, 2025RNA
Avidity Biosciences, Inc.
Tax PaymentDirect33.3K shares at avg. $71.87$2.4M - Sep 2, 2025RNA
Avidity Biosciences, Inc.
SaleDirect188 shares at avg. $47.42$9K - Jun 17, 2025RNA
Avidity Biosciences, Inc.
SaleDirect911 shares at avg. $30.24$28K - Jun 2, 2025RNA
Avidity Biosciences, Inc.
ExerciseDirect5.9K shares at avg. $16.65$98K - Jun 2, 2025RNA
Avidity Biosciences, Inc.
SaleDirect5.9K shares at avg. $32.48$191K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 18, 2026 |  RNA Atrium Therapeutics, Inc. | Tax Payment | 11,632 | $8.95 | $104,106 | Direct |
| Apr 20, 2026 | RNA Atrium Therapeutics, Inc. | Award | 102,500 | - | $0 | Direct |
| Feb 27, 2026 |  RNAM Avidity Biosciences, Inc. | Disposition | 80,303 | - | $0 | Direct |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | Award | 72,000 | - | - | Direct |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | Tax Payment | 8,030 | $71.87 | $577,116 | Direct |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | Tax Payment | 33,336 | $71.87 | $2,395,858 | Direct |
| Sep 2, 2025 | RNA Avidity Biosciences, Inc. | Sale | 188 | $47.42 | $8,915 | Direct |
| Jun 17, 2025 | RNA Avidity Biosciences, Inc. | Sale | 911 | $30.24 | $27,549 | Direct |
| Jun 2, 2025 | RNA Avidity Biosciences, Inc. | Exercise | 5,875 | $16.65 | $97,819 | Direct |
| Jun 2, 2025 | RNA Avidity Biosciences, Inc. | Sale | 5,875 | $32.48 | $190,833 | Direct |
1-10 of 25 transactions