Form 4 Tracker
RA CAPITAL MANAGEMENT, L.P.

10% Owner; Director; Director, 10% Owner · 19 filings · Latest: Jul 29, 2026

Acrivon Therapeutics, Inc.
Acumen Pharmaceuticals, Inc.
Artiva Biotherapeutics, Inc.
Bicara Therapeutics Inc.
Climb Bio, Inc.
Hemab Therapeutics Holdings, Inc.
Inhibikase Therapeutics, Inc.
Nkarta, Inc.
Parabilis Medicines, Inc.
Tyra Biosciences, Inc.
Werewolf Therapeutics, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJul 31, 2026
Purchase
$9.9324,944$247.7K17,329,570
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJul 29, 2026
Purchase
$9.9920,824$208.0K17,304,626
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJul 23, 2026
Purchase
$9.9659,880$596.4K17,242,483
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJul 22, 2026
Purchase
$9.9384,124$835.4K17,182,603
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJul 21, 2026
Purchase
$9.55120,582$1.2M17,098,479
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJul 13, 2026
Purchase
$8.946,522$58.3K16,817,543
HOWL
RA CAPITAL MANAGEMENT, L.P.10% OwnerJun 11, 2026
Sale
$0.38262,503$99.8K361,229
HOWL
RA CAPITAL MANAGEMENT, L.P.10% OwnerJun 10, 2026
Sale
$0.3745,923$17.0K378,666
HOWL
RA CAPITAL MANAGEMENT, L.P.10% OwnerJun 9, 2026
Sale
$0.37369,800$136.8K381,717
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJun 11, 2026
Purchase
$7.91548,580$4.3M16,231,717
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJun 10, 2026
Purchase
$7.00103$72115,683,137
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerJun 9, 2026
Purchase
$6.91479,039$3.3M15,683,034
COAG
RA CAPITAL MANAGEMENT, L.P.10% OwnerMay 20, 2026
Purchase
$24.94996$24.8K6,376,968
COAG
RA CAPITAL MANAGEMENT, L.P.10% OwnerMay 19, 2026
Purchase
$24.973,802$94.9K6,375,972
COAG
RA CAPITAL MANAGEMENT, L.P.10% OwnerMay 12, 2026
Purchase
$24.906,387$159.0K6,372,170
ARTV
RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerMay 11, 2026
Purchase
$11.526,510,416$75.0M15,203,995
HOWL
RA CAPITAL MANAGEMENT, L.P.10% OwnerMay 12, 2026
Sale
$0.64101,151$64.7K406,282
HOWL
RA CAPITAL MANAGEMENT, L.P.10% OwnerMay 11, 2026
Sale
$0.6787,490$58.6K413,001
HOWL
RA CAPITAL MANAGEMENT, L.P.10% OwnerMay 8, 2026
Sale
$0.71376,526$267.3K418,813
COAG
RA CAPITAL MANAGEMENT, L.P.10% OwnerMay 11, 2026
Purchase
$24.8139,869$989.2K6,365,783

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