InsiderDirector

RA CAPITAL MANAGEMENT, L.P. Insider Trading Activity

Every SEC Form 4 transaction reported by RA CAPITAL MANAGEMENT, L.P., sourced directly from SEC EDGAR and updated as new filings are accepted.

By · SEC Form 4 & insider trading data analysts
Last updated:

Quick Answer

Is RA CAPITAL MANAGEMENT, L.P. buying or selling?

RA CAPITAL MANAGEMENT, L.P. reported 129 open-market buys ($2.9B) and 30 sells ($249.2M) across 159 Form 4 filings at 55 companies — a net buying position of $2.7B.

Source: SEC EDGAR Form 4

Key Statistics (as of Jul 14, 2026)

Total Form 4 filings
159
SEC EDGAR
Companies
55
Buys (129)
$2.9B
Sells (30)
$249.2M

Insider sentiment

Net buying

Net insider flow of $2.7B in net buying, filed between Jun 22, 2018 – Jul 14, 2026.

Companies RA CAPITAL MANAGEMENT, L.P. files for

#CompanyForm 4 filings
1ETNB89bio, Inc.10
2VORVor Biopharma Inc.10
3CTKBCytek Biosciences, Inc.8
4HOWLWerewolf Therapeutics, Inc.8
5ANTXAN2 Therapeutics, Inc.7
6ARTVArtiva Biotherapeutics, Inc.6
7FULCFulcrum Therapeutics, Inc.6
8WVEWave Life Sciences Ltd.6
9COAGHemab Therapeutics Holdings, Inc.5
10ELVNIMARA Inc.5

Recent RA CAPITAL MANAGEMENT, L.P. transactions

DateTickerRoleTypeSharesValue
Jul 14, 2026ARTVDirector, 10% OwnerPurchase21.7K$194.0K
Jun 29, 2026ARTVDirector, 10% OwnerPurchase32.9K$292.1K
Jun 22, 2026HOWL10% OwnerSale416.9K$145.9K
Jun 17, 2026COAG10% OwnerPurchase67.7K$1.7M
Jun 16, 2026ARTVDirector, 10% OwnerPurchase531.3K$4.6M
Jun 16, 2026HOWL10% OwnerSale448.8K$173.8K
Jun 15, 2026PBLSDirector, 10% OwnerPurchase21.2M$423.8M
Jun 12, 2026HOWL10% OwnerSale678.2K$253.6K
Jun 11, 2026ARTVDirector, 10% OwnerPurchase1.0M$7.7M
May 21, 2026COAG10% OwnerPurchase4.8K$119.8K
May 14, 2026COAG10% OwnerPurchase6.4K$159.0K
May 13, 2026ARTVDirector, 10% OwnerPurchase6.5M$75.0M
May 12, 2026HOWL10% OwnerSale565.2K$390.7K
May 11, 2026COAG10% OwnerPurchase51.3K$1.3M
May 6, 2026COAGDirector, 10% OwnerPurchase2.8M$52.2M
Apr 24, 2026VORDirector, 10% OwnerSale165.2K$2.6M
Apr 21, 2026VORDirector, 10% OwnerSale630.4K$10.2M
Apr 15, 2026VORDirector, 10% OwnerSale738.0K$11.9M
Apr 13, 2026ACET10% OwnerPurchase223.6K$1.6M
Apr 10, 2026VORDirector, 10% OwnerSale620.1K$10.2M
Apr 6, 2026VORDirector, 10% OwnerSale849.3K$14.5M
Mar 31, 2026MLYSDirectorPurchase369.0K$8.8M
Mar 31, 2026WVEDirector, 10% OwnerPurchase8.8M$54.6M
Mar 2, 2026BCAXDirector, 10% OwnerPurchase300.0K$4.8M
Feb 11, 2026SGPDirector, 10% OwnerPurchase3.7M$59.0M

Showing the 25 most recent filings of 159. Screen every filing.

RA CAPITAL MANAGEMENT, L.P. insider trading FAQ

Is RA CAPITAL MANAGEMENT, L.P. buying or selling?

Across 159 SEC Form 4 filings, RA CAPITAL MANAGEMENT, L.P. reported 129 open-market purchases totaling $2.9B and 30 sales totaling $249.2M — a net buying position of $2.7B.

Which companies does RA CAPITAL MANAGEMENT, L.P. file Form 4s for?

RA CAPITAL MANAGEMENT, L.P. has reported insider transactions at 55 companies, most often 89bio, Inc. (ETNB), Vor Biopharma Inc. (VOR), Cytek Biosciences, Inc. (CTKB), Werewolf Therapeutics, Inc. (HOWL), AN2 Therapeutics, Inc. (ANTX).

How far back does RA CAPITAL MANAGEMENT, L.P.'s filing history go?

Trabud holds RA CAPITAL MANAGEMENT, L.P.'s SEC Form 4 filings from Jun 22, 2018 – Jul 14, 2026, sourced directly from SEC EDGAR.

Where does Trabud get RA CAPITAL MANAGEMENT, L.P.'s insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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