Avidity Biosciences, Inc. (0001599901)

SIC: 2834 - Pharmaceutical Preparations State location: CA | State of Inc.: DE | Fiscal Year End: 1231 formerly: Avidity Biosciences LLC (until 2017-01-06) formerly: Avidity NanoMedicines LLC (until 2014-02-18) Business Address 10578 SCIENCE CENTER DRIVE SUITE 125 SAN DIEGO CA 92121 858-401-7900 Mailing Address 10578 SCIENCE CENTER DRIVE SUITE 125 SAN DIEGO CA 92121 Ownership Reports from: (Click on owner name to see other issuer holdings for the owner, or CIK for owner filings.) Owner Filings Transaction Date Type of Owner Hughes Steven George 0001747528 2025-01-06 officer: Chief Medical Officer Gallagher Kathleen P. 0002048409 2025-01-06 officer: Chief Program Officer Calderaro Charles III 0002049888 2025-01-06 officer: Chief Technical Officer Moriarty John B 0001564621 2024-08-01 officer: Chief Legal Officer MacLean Michael F 0001383731 2024-05-14 officer: Chief Financial Officer Skerjanec Simona 0002022163 2024-05-14 director Mosbrooker Eric 0001715283 2021-08-25 director McCarthy Teresa 0001862121 2021-05-11 officer: Chief Human Resources Officer LEVIN ARTHUR A 0001181556 2021-03-16 officer: Chief Scientific Officer Flanagan W. Michael 0001841990 2021-01-21 officer: Chief Technical Officer Thompson Tamar 0001839248 2021-01-11 director Kim Jean Jinsun 0001839917 2021-01-11 director Kim Jae B. 0001819159 2020-07-27 officer: Chief Medical Officer ELI LILLY & Co 0000059478 2020-06-11 10 percent owner BOESS CARSTEN 0001277495 2020-06-11 director RTW INVESTMENTS, LP 0001493215 2020-06-11 10 percent owner WONG RODERICK 0001493280 2020-06-11 director, 10 percent owner Kaye Edward M. MD 0001522780 2020-06-11 director Brady Todd C 0001579179 2020-06-11 director Cormorant Asset Management, LP 0001583977 2020-06-11 10 percent owner WILSON TROY EDWARD 0001589597 2020-06-11 director Chen Bihua 0001599214 2020-06-11 director, 10 percent owner Cormorant Global Healthcare Master Fund, LP 0001618442 2020-06-11 10 percent owner Boyce Sarah 0001629383 2020-06-11 director, officer: President and CEO Alexandria Venture Investments, LLC 0001722024 2020-06-11 10 percent owner Cormorant Private Healthcare Fund II, LP 0001747677 2020-06-11 10 percent owner Henig Noreen 0001810995 2020-06-11 director Baroldi Joseph 0001813775 2020-06-11 officer: Chief Operating Officer Martin Michael B. 0001813976 2020-06-11 director

Items 1 - 80

The information presented below contains only portions of the information presented in the referenced filing or filings.
You should consult the original filing for complete information. Hyperlinks to the forms are provided for your convenience.

Acquistion or Disposition	Transaction Date	Deemed Execution Date	Reporting Owner	Form	Transaction Type	Direct or Indirect Ownership	Number of Securities Transacted	Number of Securities Owned	Line Number	Owner CIK	Security Name
D	2025-05-01		Gallagher Kathleen P.	4	M-Exempt	--D	5875.0000	28471.0000	3	0002048409	Stock Option (Right to Buy)
D	2025-05-01		Gallagher Kathleen P.	4	S-Sale	--D	5875.0000	50554.0000	2	0002048409	Common Stock
A	2025-05-01		Gallagher Kathleen P.	4	M-Exempt	--D	5875.0000	56429.0000	1	0002048409	Common Stock
D	2025-04-01		Gallagher Kathleen P.	4	M-Exempt	--D	329.0000	34346.0000	6	0002048409	Stock Option (Right to Buy)
D	2025-04-01		Gallagher Kathleen P.	4	M-Exempt	--D	5546.0000	13829.0000	5	0002048409	Stock Option (Right to Buy)
D	2025-04-01		Gallagher Kathleen P.	4	S-Sale	--D	329.0000	50554.0000	4	0002048409	Common Stock
A	2025-04-01		Gallagher Kathleen P.	4	M-Exempt	--D	329.0000	50883.0000	3	0002048409	Common Stock
D	2025-04-01		Gallagher Kathleen P.	4	S-Sale	--D	5546.0000	50554.0000	2	0002048409	Common Stock
A	2025-04-01		Gallagher Kathleen P.	4	M-Exempt	--D	5546.0000	56100.0000	1	0002048409	Common Stock
D	2025-03-20		Hughes Steven George	4	S-Sale	--D	9578.0000	72850.0000	1	0001747528	Common Stock
D	2025-03-20		Boyce Sarah	4	S-Sale	--D	31540.0000	305871.0000	1	0001629383	Common Stock
D	2025-03-20		Flanagan W. Michael	4	S-Sale	--D	11780.0000	80195.0000	1	0001841990	Common Stock
D	2025-03-20		MacLean Michael F	4	S-Sale	--D	7935.0000	96720.0000	1	0001383731	Common Stock
D	2025-03-20		McCarthy Teresa	4	S-Sale	--D	7778.0000	97130.0000	1	0001862121	Common Stock
D	2025-03-11		Flanagan W. Michael	4	M-Exempt	--D	20000.0000	116500.0000	3	0001841990	Stock Option (Right to Buy)
D	2025-03-11		Flanagan W. Michael	4	S-Sale	--D	20000.0000	91975.0000	2	0001841990	Common Stock
A	2025-03-11		Flanagan W. Michael	4	M-Exempt	--D	20000.0000	111975.0000	1	0001841990	Common Stock
D	2025-03-03		Gallagher Kathleen P.	4	M-Exempt	--D	5875.0000	19375.0000	3	0002048409	Stock Option (Right to Buy)
D	2025-03-03		Gallagher Kathleen P.	4	S-Sale	--D	5875.0000	50554.0000	2	0002048409	Common Stock
A	2025-03-03		Gallagher Kathleen P.	4	M-Exempt	--D	5875.0000	56429.0000	1	0002048409	Common Stock
D	2025-02-03		Gallagher Kathleen P.	4	M-Exempt	--D	5875.0000	34675.0000	3	0002048409	Stock Option (Right to Buy)
D	2025-02-03		Gallagher Kathleen P.	4	S-Sale	--D	5875.0000	50554.0000	2	0002048409	Common Stock
A	2025-02-03		Gallagher Kathleen P.	4	M-Exempt	--D	5875.0000	56429.0000	1	0002048409	Common Stock
D	2025-01-22		Gallagher Kathleen P.	4	S-Sale	--D	5629.0000	50554.0000	4	0002048409	Common Stock
D	2025-01-21		LEVIN ARTHUR A	4	S-Sale	--D	1872.0000	12958.0000	1	0001181556	Common Stock
D	2025-01-21		MacLean Michael F	4	S-Sale	--D	1665.0000	104655.0000	2	0001383731	Common Stock
D	2025-01-21		MacLean Michael F	4	S-Sale	--D	1622.0000	106320.0000	1	0001383731	Common Stock
D	2025-01-21		McCarthy Teresa	4	S-Sale	--D	1221.0000	104908.0000	2	0001862121	Common Stock
D	2025-01-21		McCarthy Teresa	4	S-Sale	--D	1738.0000	106129.0000	1	0001862121	Common Stock
D	2025-01-21		Flanagan W. Michael	4	S-Sale	--D	1812.0000	91975.0000	2	0001841990	Common Stock
D	2025-01-21		Flanagan W. Michael	4	S-Sale	--D	3860.0000	93787.0000	1	0001841990	Common Stock
D	2025-01-21		Boyce Sarah	4	S-Sale	--D	5659.0000	337411.0000	2	0001629383	Common Stock
D	2025-01-21		Boyce Sarah	4	S-Sale	--D	4738.0000	343070.0000	1	0001629383	Common Stock
D	2025-01-21		Gallagher Kathleen P.	4	S-Sale	--D	1817.0000	56183.0000	3	0002048409	Common Stock
D	2025-01-21		Gallagher Kathleen P.	4	S-Sale	--D	670.0000	58000.0000	2	0002048409	Common Stock
D	2025-01-21		Gallagher Kathleen P.	4	S-Sale	--D	1295.0000	58670.0000	1	0002048409	Common Stock
D	2025-01-21		Hughes Steven George	4	S-Sale	--D	2032.0000	82428.0000	2	0001747528	Common Stock
D	2025-01-21		Hughes Steven George	4	S-Sale	--D	1915.0000	84460.0000	1	0001747528	Common Stock
A	2025-01-06		Flanagan W. Michael	4	A-Award	--D	50000.0000	50000.0000	2	0001841990	Stock Option (Right to Buy)
A	2025-01-06		Flanagan W. Michael	4	A-Award	--D	25000.0000	97647.0000	1	0001841990	Common Stock
A	2025-01-06		McCarthy Teresa	4	A-Award	--D	50000.0000	50000.0000	2	0001862121	Stock Option (Right to Buy)
A	2025-01-06		McCarthy Teresa	4	A-Award	--D	25000.0000	107867.0000	1	0001862121	Common Stock
A	2025-01-06		Moriarty John B	4	A-Award	--D	50000.0000	50000.0000	2	0001564621	Stock Option (Right to Buy)
A	2025-01-06		Moriarty John B	4	A-Award	--D	25000.0000	50000.0000	1	0001564621	Common Stock
A	2025-01-06		MacLean Michael F	4	A-Award	--D	50000.0000	50000.0000	2	0001383731	Stock Option (Right to Buy)
A	2025-01-06		MacLean Michael F	4	A-Award	--D	25000.0000	107942.0000	1	0001383731	Common Stock
A	2025-01-06		Boyce Sarah	4	A-Award	--D	165000.0000	165000.0000	2	0001629383	Stock Option (Right to Buy)
A	2025-01-06		Boyce Sarah	4	A-Award	--D	82500.0000	347808.0000	1	0001629383	Common Stock
A	2025-01-06		Hughes Steven George	4	A-Award	--D	50000.0000	50000.0000	2	0001747528	Stock Option (Right to Buy)
A	2025-01-06		Hughes Steven George	4	A-Award	--D	25000.0000	86375.0000	1	0001747528	Common Stock
A	2025-01-06		Gallagher Kathleen P.	4	A-Award	--D	50000.0000	50000.0000	2	0002048409	Stock Option (Right to Buy)
A	2025-01-06		Gallagher Kathleen P.	4	A-Award	--D	25000.0000	59965.0000	1	0002048409	Common Stock
A	2025-01-06		Mosbrooker Eric	4	A-Award	--D	50000.0000	50000.0000	2	0001715283	Stock Option (Right to Buy)
A	2025-01-06		Mosbrooker Eric	4	A-Award	--D	25000.0000	61120.0000	1	0001715283	Common Stock
A	2025-01-06		Calderaro Charles III	4	A-Award	--D	80000.0000	80000.0000	2	0002049888	Stock Option (Right to Buy)
A	2025-01-06		Calderaro Charles III	4	A-Award	--D	40000.0000	40000.0000	1	0002049888	Common Stock
D	2024-12-18		Flanagan W. Michael	4	S-Sale	--D	12742.0000	72647.0000	1	0001841990	Common Stock
D	2024-12-18		MacLean Michael F	4	S-Sale	--D	11151.0000	82942.0000	1	0001383731	Common Stock
D	2024-12-18		Boyce Sarah	4	S-Sale	--D	31855.0000	265308.0000	1	0001629383	Common Stock
D	2024-12-18		McCarthy Teresa	4	S-Sale	--D	11151.0000	82867.0000	1	0001862121	Common Stock
D	2024-12-16		McCarthy Teresa	4	M-Exempt	--D	25000.0000	57500.0000	3	0001862121	Stock Option (Right to Buy)
D	2024-12-16		McCarthy Teresa	4	S-Sale	--D	25000.0000	94018.0000	2	0001862121	Common Stock
A	2024-12-16		McCarthy Teresa	4	M-Exempt	--D	25000.0000	119018.0000	1	0001862121	Common Stock
D	2024-12-11		Flanagan W. Michael	4	M-Exempt	--D	24000.0000	86000.0000	3	0001841990	Stock Option (Right to Buy)
D	2024-12-11		Flanagan W. Michael	4	S-Sale	--D	24000.0000	85389.0000	2	0001841990	Common Stock
A	2024-12-11		Flanagan W. Michael	4	M-Exempt	--D	24000.0000	109389.0000	1	0001841990	Common Stock
D	2024-11-19		LEVIN ARTHUR A	4	M-Exempt	--D	3323.0000	0.0000	4	0001181556	Stock Option (Right to Buy)
D	2024-11-19		LEVIN ARTHUR A	4	S-Sale	--D	3323.0000	14830.0000	2	0001181556	Common Stock
A	2024-11-19		LEVIN ARTHUR A	4	M-Exempt	--D	3323.0000	18153.0000	1	0001181556	Common Stock
D	2024-11-18		McCarthy Teresa	4	M-Exempt	--D	25000.0000	82500.0000	3	0001862121	Stock Option (Right to Buy)
D	2024-11-18		McCarthy Teresa	4	S-Sale	--D	25000.0000	94018.0000	2	0001862121	Common Stock
A	2024-11-18		McCarthy Teresa	4	M-Exempt	--D	25000.0000	119018.0000	1	0001862121	Common Stock
D	2024-11-06		MacLean Michael F	4	M-Exempt	--D	13875.0000	60125.0000	7	0001383731	Stock Option (Right to Buy)
D	2024-11-06		MacLean Michael F	4	M-Exempt	--D	65182.0000	0.0000	6	0001383731	Stock Option (Right to Buy)
D	2024-11-06		MacLean Michael F	4	S-Sale	--D	13875.0000	94093.0000	5	0001383731	Common Stock
A	2024-11-06		MacLean Michael F	4	M-Exempt	--D	13875.0000	107968.0000	4	0001383731	Common Stock
D	2024-11-06		MacLean Michael F	4	S-Sale	--D	65182.0000	94093.0000	3	0001383731	Common Stock
A	2024-11-06		MacLean Michael F	4	M-Exempt	--D	65182.0000	159275.0000	2	0001383731	Common Stock
D	2024-11-06		MacLean Michael F	4	S-Sale	--D	27262.0000	94093.0000	1	0001383731	Common Stock
D	2024-10-21		LEVIN ARTHUR A	4	M-Exempt	--D	5000.0000	3323.0000	4	0001181556	Stock Option (Right to Buy)

http://www.sec.gov/cgi-bin/own-disp

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