RA CAPITAL MANAGEMENT, LLC

Former 10% Owner at STERLING FINANCIAL CORP /WA/ · on record since Jun 12, 2023
Former 10% owners and Director at DICE Therapeutics, Inc. · on record since Aug 9, 2023
Director at Black Diamond Therapeutics, Inc. · on record since Jul 7, 2023
10% owner at ARS Pharmaceuticals, Inc. · on record since Mar 27, 2024
10% owner at BOLD ENERGY INC. · on record since Mar 27, 2024
10% owner at LIPID SCIENCES INC/ · on record since Dec 29, 2006
Director at Cidara Therapeutics, Inc. · on record since Apr 30, 2024
Former 10% Owner at iTeos Therapeutics, Inc. · on record since May 14, 2024
10% owner at ARADIGM CORP · on record since Mar 28, 2007
Director at Septerna, Inc. · on record since Oct 30, 2024
10% owner at Septerna, Inc. · on record since Oct 30, 2024
10% owner at 4D Molecular Therapeutics, Inc. · on record since Nov 25, 2024
10% owner at CURIS INC · on record since Aug 15, 2007
Director at Sionna Therapeutics, Inc. · on record since Feb 10, 2025
10% owner at Sionna Therapeutics, Inc. · on record since Feb 10, 2025
10% owner at Cidara Therapeutics, Inc. · on record since Jun 30, 2025
10% owner at Prelude Therapeutics Inc · on record since Apr 28, 2026
Director at Evommune, Inc. · on record since Nov 12, 2025
10% owner at Evommune, Inc. · on record since Nov 12, 2025
10% owner at SEQUENOM INC · on record since Jun 27, 2008
10% owner at BIOSPECIFICS TECHNOLOGIES CORP · on record since Sep 26, 2008
Director at SCHERING PLOUGH CORP · on record since Feb 11, 2026
10% owner at SCHERING PLOUGH CORP · on record since Feb 11, 2026
Director at Vor Biopharma Inc. · on record since Apr 6, 2026
10% owner at Vor Biopharma Inc. · on record since Apr 6, 2026
10% owner at ACETO CORP · on record since Apr 13, 2026
Director at Ra Pharmaceuticals, Inc. · on record since Oct 31, 2016
Director at Acrivon Therapeutics, Inc. · on record since Apr 23, 2026
10% owner at Acrivon Therapeutics, Inc. · on record since Apr 23, 2026
Director at Hemab Therapeutics Holdings, Inc. · on record since Apr 30, 2026
Director at Climb Bio, Inc. · on record since Apr 29, 2026
10% owner at Climb Bio, Inc. · on record since Apr 29, 2026
10% owner at Hemab Therapeutics Holdings, Inc. · on record since Apr 30, 2026
10% owner at Werewolf Therapeutics, Inc. · on record since May 12, 2026
Director at Artiva Biotherapeutics, Inc. · on record since May 13, 2026
10% owner at Artiva Biotherapeutics, Inc. · on record since May 13, 2026
10% owner at Ra Pharmaceuticals, Inc. · on record since Oct 25, 2016
Director at KalVista Pharmaceuticals, Inc. · on record since Nov 23, 2016
10% owner at DERMA SCIENCES, INC. · on record since May 1, 2013
10% owner at ACHILLION PHARMACEUTICALS INC · on record since Oct 4, 2013
Director at Tyra Biosciences, Inc. · on record since Jun 1, 2026
10% owner at Tyra Biosciences, Inc. · on record since Jun 1, 2026
Fmr 10% Owner - See Fn (1)-(5) at DERMA SCIENCES, INC. · on record since Jan 13, 2014
Director at ARBIOS SYSTEMS INC · on record since Jun 5, 2026
10% owner at ARBIOS SYSTEMS INC · on record since Jun 5, 2026
Director at Parabilis Medicines, Inc. · on record since Jun 9, 2026
Director at Bicara Therapeutics Inc. · on record since Jun 10, 2026
10% owner at Bicara Therapeutics Inc. · on record since Jun 10, 2026
Director at Nkarta, Inc. · on record since Jun 11, 2026
10% owner at Nkarta, Inc. · on record since Jun 11, 2026
Director at Janux Therapeutics, Inc. · on record since Jun 12, 2026
10% owner at Janux Therapeutics, Inc. · on record since Jun 12, 2026
Director at LENZ Therapeutics, Inc. · on record since Jun 15, 2026
10% owner at Parabilis Medicines, Inc. · on record since Jun 15, 2026
10% owner at LENZ Therapeutics, Inc. · on record since Jun 15, 2026
Former 10% Owner. See FN(1)(6) at ACHILLION PHARMACEUTICALS INC · on record since Jan 20, 2015
10% owner at SANGAMO BIOSCIENCES INC · on record since Feb 18, 2015
Former 10% Owner. at SANGAMO BIOSCIENCES INC · on record since Feb 18, 2015
10% owner at Aclaris Therapeutics, Inc. · on record since Oct 30, 2015
Director at Wave Life Sciences Ltd. · on record since Nov 18, 2015
10% owner at Wave Life Sciences Ltd. · on record since Nov 18, 2015
Fmr 10% Owner See Footnote (2) at G1 Therapeutics, Inc. · on record since May 24, 2017
Director at G1 Therapeutics, Inc. · on record since May 16, 2017
10% owner at G1 Therapeutics, Inc. · on record since May 16, 2017
Director at Dicerna Pharmaceuticals Inc · on record since Apr 13, 2017
10% owner at Dicerna Pharmaceuticals Inc · on record since Apr 13, 2017
Director at Kala Pharmaceuticals, Inc. · on record since Jul 26, 2017
10% owner at Kala Pharmaceuticals, Inc. · on record since Jul 19, 2017
10% owner at scPharmaceuticals Inc. · on record since Nov 21, 2017
10% owner at KalVista Pharmaceuticals, Inc. · on record since Oct 16, 2017
Director at Forma Therapeutics Holdings, Inc., · on record since Apr 5, 2021
Director at iTeos Therapeutics, Inc. · on record since Apr 5, 2021
Director at Eidos Therapeutics, Inc. · on record since Jun 22, 2018
10% owner at ARVINAS, INC. · on record since Sep 26, 2018
10% owner at CELADON GROUP INC · on record since Oct 25, 2018
10% owner at THORATEC CORP · on record since Dec 13, 2018
Former 10% Owner at ARVINAS, INC. · on record since Oct 3, 2018
Director at STERLING FINANCIAL CORP /WA/ · on record since Sep 17, 2019
10% owner at STERLING FINANCIAL CORP /WA/ · on record since Sep 17, 2019
10% owner at RHYTHM PHARMACEUTICALS, INC. · on record since Oct 18, 2019
Director at 89bio, Inc. · on record since Nov 13, 2019
10% owner at 89bio, Inc. · on record since Nov 13, 2019
10% owner at Phathom Pharmaceuticals, Inc. · on record since Nov 4, 2019
10% owner at 11 GOOD ENERGY INC · on record since Mar 17, 2020
10% owner at Verastem, Inc. · on record since Mar 5, 2020
10% owner at Akouos, Inc. · on record since Jun 25, 2020
10% owner at Forma Therapeutics Holdings, Inc., · on record since Jun 24, 2020
10% owner at Vaxcyte, Inc. · on record since Jun 18, 2020
10% owner at MANHATTAN PHARMACEUTICALS INC · on record since May 7, 2020
10% owner at PMV Pharmaceuticals, Inc. · on record since Sep 29, 2020
10% owner at iTeos Therapeutics, Inc. · on record since Jul 29, 2020
10% owner at Inozyme Pharma, Inc. · on record since Jul 28, 2020
10% owner at Inhibrx Biosciences, Inc. · on record since Aug 24, 2020
10% owner at DYNEGY INC /IL/ · on record since Sep 23, 2020
10% owner at Pandion Therapeutics, Inc. · on record since Jul 22, 2020
Director at Cytek Biosciences, Inc. · on record since Jul 29, 2021
10% owner at MED GEN INC · on record since Dec 17, 2020
Director at Solid Biosciences Inc. · on record since Dec 15, 2020
10% owner at Solid Biosciences Inc. · on record since Dec 15, 2020
10% owner at Protalix BioTherapeutics, Inc. · on record since Nov 6, 2020
Former 10% Owner at RHYTHM PHARMACEUTICALS, INC. · on record since Dec 4, 2020
10% owner at XENOMICS INC · on record since Oct 2, 2020
10% owner at Iterum Therapeutics plc · on record since Dec 2, 2020
Director at Protalix BioTherapeutics, Inc. · on record since Feb 11, 2021
Director at Therapeutics Acquisition Corp. · on record since Jun 30, 2021
Director at Jade Biosciences, Inc. · on record since Jun 29, 2021
10% owner at Jade Biosciences, Inc. · on record since Jun 29, 2021
Director at Werewolf Therapeutics, Inc. · on record since Apr 29, 2021
Director at Icosavax, Inc. · on record since Jul 28, 2021
10% owner at Icosavax, Inc. · on record since Jul 28, 2021
Director at DICE Therapeutics, Inc. · on record since Sep 20, 2021
10% owner at DICE Therapeutics, Inc. · on record since Sep 20, 2021
10% owner at RxSight, Inc. · on record since Aug 13, 2021
10% owner at AcuNetx, Inc. · on record since Mar 31, 2022
10% owner at Cytek Biosciences, Inc. · on record since Mar 16, 2022
Director at PepGen Inc. · on record since May 12, 2022
10% owner at PepGen Inc. · on record since May 12, 2022
10% owner at Fulcrum Therapeutics, Inc. · on record since Aug 26, 2022
Director at ARS Pharmaceuticals, Inc. · on record since Nov 10, 2022
Former 10% owner at 11 GOOD ENERGY INC · on record since Feb 27, 2023
Director at Mineralys Therapeutics, Inc. · on record since Feb 16, 2023
10% owner at Mineralys Therapeutics, Inc. · on record since Feb 13, 2023

Insider trading activity of RA CAPITAL MANAGEMENT, LLC

Transactions on record: 376; since Jun 13, 2008

Open-market buys: 137; $1.2B

Open-market sells: 111; $165.6M

Companies traded: 51; last filing Jul 1, 2026

Figures computed from official regulatory filings — methodology.

Companies where RA CAPITAL MANAGEMENT, LLC has traded

Climb Bio, Inc.3 tx · $20M · Jul 1, 2026
Septerna, Inc.1 tx · Jun 30, 2026
Artiva Biotherapeutics, Inc.11 tx · $112.2M · Jun 29, 2026
ARS Pharmaceuticals, Inc.5 tx · $36.5M · Jun 26, 2026
Acrivon Therapeutics, Inc.4 tx · $7M · Jun 22, 2026
Werewolf Therapeutics, Inc.21 tx · $818K · Jun 22, 2026
PepGen Inc.1 tx · Jun 22, 2026
Sionna Therapeutics, Inc.41 tx · $25.8M · Jun 18, 2026
Hemab Therapeutics Holdings, Inc.25 tx · $53.8M · Jun 17, 2026

Track record of RA CAPITAL MANAGEMENT, LLC

Statistical track record

Free

Open-market buys: 141

Last buy: Jun 26, 2026

Win rates and median returns are available with a free account (5 insiders/month).

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Transaction history of RA CAPITAL MANAGEMENT, LLC

Co-insiders of RA CAPITAL MANAGEMENT, LLC

This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →

Company	Filed	Type	Qty	Price	Value · USD	Src
Climb Bio, Inc.	Jul 1, 2026	AwardD	70,284	0.00 USD	—	SEC
Septerna, Inc.	Jun 30, 2026	AwardD	15,000	0.00 USD	—	SEC
Artiva Biotherapeutics, Inc.	Jun 29, 2026	Buy	1,876	8.98 USD	—	SEC
Artiva Biotherapeutics, Inc.	Jun 29, 2026	Buy	31,000	8.88 USD	—	SEC
ARS Pharmaceuticals, Inc.	Jun 26, 2026	AwardD	30,000	0.00 USD	—	SEC
Werewolf Therapeutics, Inc.	Jun 22, 2026	Sell	-27,695	0.35 USD	—	SEC
Acrivon Therapeutics, Inc.	Jun 22, 2026	AwardD	20,275	0.00 USD	—	SEC
Werewolf Therapeutics, Inc.	Jun 22, 2026	Sell	-389,216	0.35 USD	—	SEC
PepGen Inc.	Jun 22, 2026	AwardD	34,000	0.00 USD	—	SEC
Sionna Therapeutics, Inc.	Jun 18, 2026	AwardD	17,340	0.00 USD	—	SEC
Hemab Therapeutics Holdings, Inc.	Jun 17, 2026	Buy	61,523	24.98 USD	—	SEC
Hemab Therapeutics Holdings, Inc.	Jun 17, 2026	Buy	6,146	24.89 USD	—	SEC
Artiva Biotherapeutics, Inc.	Jun 16, 2026	Buy	15,414	8.99 USD	$138.6K	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-139,686	0.37 USD	$51.7K	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-9,939	0.37 USD	$3.7K	SEC
Artiva Biotherapeutics, Inc.	Jun 16, 2026	Buy	124,893	8.89 USD	$1.1M	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-120,216	0.39 USD	$46.9K	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-8,554	0.39 USD	$3.3K	SEC
Artiva Biotherapeutics, Inc.	Jun 16, 2026	Buy	391,019	8.57 USD	$3.4M	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-159,119	0.40 USD	$63.6K	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-11,322	0.40 USD	$4.5K	SEC
Parabilis Medicines, Inc.	Jun 15, 2026	Other	6,556,740	—	—	SEC
Parabilis Medicines, Inc.	Jun 15, 2026	Buy	19,728,353	20.00 USD	$394.6M	SEC
Parabilis Medicines, Inc.	Jun 15, 2026	Other	1,187,881	—	—	SEC
Parabilis Medicines, Inc.	Jun 15, 2026	OtherD	-9,445,363	—	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Climb Bio, Inc.	Jul 1, 2026	AwardD	70,284	0.00 USD	—	SEC
Septerna, Inc.	Jun 30, 2026	AwardD	15,000	0.00 USD	—	SEC
Artiva Biotherapeutics, Inc.	Jun 29, 2026	Buy	1,876	8.98 USD	—	SEC
Artiva Biotherapeutics, Inc.	Jun 29, 2026	Buy	31,000	8.88 USD	—	SEC
ARS Pharmaceuticals, Inc.	Jun 26, 2026	AwardD	30,000	0.00 USD	—	SEC
Werewolf Therapeutics, Inc.	Jun 22, 2026	Sell	-27,695	0.35 USD	—	SEC
Acrivon Therapeutics, Inc.	Jun 22, 2026	AwardD	20,275	0.00 USD	—	SEC
Werewolf Therapeutics, Inc.	Jun 22, 2026	Sell	-389,216	0.35 USD	—	SEC
PepGen Inc.	Jun 22, 2026	AwardD	34,000	0.00 USD	—	SEC
Sionna Therapeutics, Inc.	Jun 18, 2026	AwardD	17,340	0.00 USD	—	SEC
Hemab Therapeutics Holdings, Inc.	Jun 17, 2026	Buy	61,523	24.98 USD	—	SEC
Hemab Therapeutics Holdings, Inc.	Jun 17, 2026	Buy	6,146	24.89 USD	—	SEC
Artiva Biotherapeutics, Inc.	Jun 16, 2026	Buy	15,414	8.99 USD	$138.6K	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-139,686	0.37 USD	$51.7K	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-9,939	0.37 USD	$3.7K	SEC
Artiva Biotherapeutics, Inc.	Jun 16, 2026	Buy	124,893	8.89 USD	$1.1M	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-120,216	0.39 USD	$46.9K	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-8,554	0.39 USD	$3.3K	SEC
Artiva Biotherapeutics, Inc.	Jun 16, 2026	Buy	391,019	8.57 USD	$3.4M	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-159,119	0.40 USD	$63.6K	SEC
Werewolf Therapeutics, Inc.	Jun 16, 2026	Sell	-11,322	0.40 USD	$4.5K	SEC
Parabilis Medicines, Inc.	Jun 15, 2026	Other	6,556,740	—	—	SEC
Parabilis Medicines, Inc.	Jun 15, 2026	Buy	19,728,353	20.00 USD	$394.6M	SEC
Parabilis Medicines, Inc.	Jun 15, 2026	Other	1,187,881	—	—	SEC
Parabilis Medicines, Inc.	Jun 15, 2026	OtherD	-9,445,363	—	—	SEC