RNA

Avidity Biosciences, Inc.

Pharmaceutical PreparationsNasdaqLarge accelerated filer

Total Trades

132

Buys

Sells

Largest Trade

N/A

Insiders

Institutional Funds

268

Inst. Value

$1M+

Activist Filings

Insider Trades

Insider	Title	Type	Value	Shares	Price	Date
Hughes Steven George	Chief Medical Offi…	SELL	$100K–$500K	5K	$72.45	Jan 23, 2026
Boyce Sarah	President and CEO	SELL	$1M+	14K	$72.45	Jan 23, 2026
Flanagan W. Michael	Chief Scientific O…	SELL	$100K–$500K	7K	$72.45	Jan 23, 2026
MacLean Michael F	CFO	SELL	$100K–$500K	5K	$72.45	Jan 23, 2026
LEVIN ARTHUR A	Director	SELL	$100K–$500K	2K	$72.45	Jan 23, 2026
McCarthy Teresa	CHRO	SELL	$100K–$500K	3K	$72.45	Jan 23, 2026
Boyce Sarah	President and CEO	SELL	$500K+	9K	$72.23	Jan 9, 2026
Calderaro Charles III	Chief Technical Of…	SELL	$100K–$500K	4K	$72.23	Jan 9, 2026
McCarthy Teresa	CHRO	SELL	$100K–$500K	2K	$72.23	Jan 9, 2026
Moriarty John B	Chief Legal Officer	SELL	$100K–$500K	2K	$72.23	Jan 9, 2026
MacLean Michael F	CFO	SELL	$100K–$500K	2K	$72.23	Jan 9, 2026
Hughes Steven George	Chief Medical Offi…	SELL	$100K–$500K	2K	$72.23	Jan 9, 2026
Flanagan W. Michael	Chief Scientific O…	SELL	$100K–$500K	2K	$72.23	Jan 9, 2026
Hughes Steven George	Chief Medical Offi…	EXERCISE	$15K–$50K	2K	$10.16	Oct 24, 2025
Hughes Steven George	Chief Medical Offi…	SELL	$100K–$500K	2K	$47.54	Oct 24, 2025
Hughes Steven George	Chief Medical Offi…	SELL	$50K–$100K	2K	$40.58	Sep 23, 2025
Hughes Steven George	Chief Medical Offi…	EXERCISE	$15K–$50K	2K	$10.16	Sep 23, 2025
McCarthy Teresa	CHRO	EXERCISE	$100K–$500K	15K	$22.34	Sep 17, 2025
McCarthy Teresa	CHRO	SELL	$500K+	15K	$41.41	Sep 17, 2025
Hughes Steven George	Chief Medical Offi…	EXERCISE	$1K–$15K	2K	$6.57	Sep 17, 2025
Hughes Steven George	Chief Medical Offi…	SELL	$50K–$100K	2K	$45.41	Sep 17, 2025
Flanagan W. Michael	Chief Scientific O…	EXERCISE	$100K–$500K	20K	$14.22	Sep 12, 2025
Flanagan W. Michael	Chief Scientific O…	SELL	$500K+	20K	$38.94	Sep 12, 2025
WILSON TROY EDWARD	Director	SELL	$1M+	30K	$50.00	Sep 9, 2025
WILSON TROY EDWARD	Director	EXERCISE	$100K–$500K	15K	$12.48	Sep 9, 2025
Boyce Sarah	President and CEO	SELL	$1M+	50K	$49.95	Sep 5, 2025
Boyce Sarah	President and CEO	EXERCISE	$50K–$100K	50K	$1.24	Sep 5, 2025
Mosbrooker Eric	Chief Commercial O…	EXERCISE	$50K–$100K	7K	$9.05	Sep 5, 2025
Mosbrooker Eric	Chief Commercial O…	SELL	$100K–$500K	7K	$47.07	Sep 5, 2025
Gallagher Kathleen P.	Chief Program Offi…	SELL	$1K–$15K	188	$47.42	Sep 3, 2025
Boyce Sarah	President and CEO	EXERCISE	$15K–$50K	25K	$1.24	Aug 29, 2025
Boyce Sarah	President and CEO	SELL	$1M+	25K	$49.39	Aug 29, 2025
Hughes Steven George	Chief Medical Offi…	EXERCISE	$15K–$50K	2K	$10.16	Aug 22, 2025
Hughes Steven George	Chief Medical Offi…	SELL	$100K–$500K	2K	$46.40	Aug 22, 2025
Gallagher Kathleen P.	Chief Program Offi…	SELL	$15K–$50K	911	$30.24	Jun 18, 2025
Flanagan W. Michael	Chief Scientific O…	EXERCISE	$100K–$500K	20K	$14.22	Jun 12, 2025
Flanagan W. Michael	Chief Scientific O…	SELL	$500K+	20K	$32.88	Jun 12, 2025
Gallagher Kathleen P.	Chief Program Offi…	EXERCISE	$50K–$100K	6K	$16.65	Jun 4, 2025
Gallagher Kathleen P.	Chief Program Offi…	SELL	$100K–$500K	6K	$32.48	Jun 4, 2025
Gallagher Kathleen P.	Chief Program Offi…	SELL	$100K–$500K	6K	$32.40	May 2, 2025
Gallagher Kathleen P.	Chief Program Offi…	EXERCISE	$50K–$100K	6K	$16.65	May 2, 2025
Gallagher Kathleen P.	Chief Program Offi…	EXERCISE	$50K–$100K	6K	$14.81	Apr 3, 2025
Gallagher Kathleen P.	Chief Program Offi…	SELL	$100K–$500K	6K	$27.83	Apr 3, 2025
Hughes Steven George	Chief Medical Offi…	SELL	$100K–$500K	10K	$31.06	Mar 21, 2025
Boyce Sarah	President and CEO	SELL	$500K+	32K	$31.06	Mar 21, 2025
Flanagan W. Michael	Chief Scientific O…	SELL	$100K–$500K	12K	$31.06	Mar 21, 2025
MacLean Michael F	CFO	SELL	$100K–$500K	8K	$31.06	Mar 21, 2025
McCarthy Teresa	CHRO	SELL	$100K–$500K	8K	$31.06	Mar 21, 2025
Flanagan W. Michael	Chief Scientific O…	EXERCISE	$100K–$500K	20K	$14.22	Mar 12, 2025
Flanagan W. Michael	Chief Scientific O…	SELL	$500K+	20K	$30.13	Mar 12, 2025

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Institutional Ownership

13F filings as of Dec 31, 2025 · 268 funds holding

Fund	Shares	Value	Type
RA CAPITAL MANAGEMENT, L.P.	8.6M	$1M+	SH
BALYASNY ASSET MANAGEMENT L.P.	6.0M	$1M+	SH
Pentwater Capital Management LP	6.0M	$1M+	SH
HBK INVESTMENTS L P	4.4M	$1M+	SH
STATE STREET CORP	4.1M	$1M+	SH
NORGES BANK	3.0M	$1M+	SH
GEODE CAPITAL MANAGEMENT, LLC	2.7M	$1M+	SH
GLAZER CAPITAL, LLC	2.5M	$1M+	SH
TIG Advisors, LLC	1.8M	$1M+	SH
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.2M	$1M+	SH
ALLIANCEBERNSTEIN L.P.	1.0M	$1M+	SH
KRYGER CAPITAL Ltd	1.0M	$1M+	SH
Frazier Life Sciences Management, L.P.	983K	$1M+	SH
TANG CAPITAL MANAGEMENT LLC	900K	$1M+	SH
NEXPOINT ASSET MANAGEMENT, L.P.	891K	$1M+	SH
Westchester Capital Management, LLC	870K	$1M+	SH
Squarepoint Ops LLC	868K	$1M+	SH
ALPINE ASSOCIATES MANAGEMENT INC.	868K	$1M+	SH
SOROS FUND MANAGEMENT LLC	841K	$1M+	SH
Sofinnova Investments, Inc.	745K	$1M+	SH