Form 4 Tracker
RA Capital Nexus Fund, L.P.

Director · 10 filings · Latest: Jun 29, 2026

Artiva Biotherapeutics, Inc.
Climb Bio, Inc.
Nkarta, Inc.
Sionna Therapeutics, Inc.
Tyra Biosciences, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
ARTV
RA Capital Nexus Fund, L.P.DirectorJun 26, 2026
Purchase
$8.981,876$16.8K16,795,919
ARTV
RA Capital Nexus Fund, L.P.DirectorJun 25, 2026
Purchase
$8.8831,000$275.3K16,794,043
ARTV
RA Capital Nexus Fund, L.P.DirectorJun 16, 2026
Purchase
$8.89124,893$1.1M16,763,043
ARTV
RA Capital Nexus Fund, L.P.DirectorJun 15, 2026
Purchase
$8.9915,414$138.6K16,638,150
ARTV
RA Capital Nexus Fund, L.P.DirectorJun 12, 2026
Purchase
$8.57391,019$3.4M16,622,736
ARTV
RA Capital Nexus Fund, L.P.DirectorJun 11, 2026
Purchase
$7.91548,580$4.3M16,231,717
ARTV
RA Capital Nexus Fund, L.P.DirectorJun 10, 2026
Purchase
$7.00103$72115,683,137
ARTV
RA Capital Nexus Fund, L.P.DirectorJun 9, 2026
Purchase
$6.91479,039$3.3M15,683,034
ARTV
RA Capital Nexus Fund, L.P.DirectorMay 11, 2026
Purchase
$11.526,510,416$75.0M15,203,995
SION
RA Capital Nexus Fund, L.P.Nov 21, 2025
Proposed Sale
$43.669,924$433.3K
SION
RA Capital Nexus Fund, L.P.Nov 20, 2025
Proposed Sale
$38.942,023$78.8K
SION
RA Capital Nexus Fund, L.P.Nov 19, 2025
Proposed Sale
$38.4118,696$718.1K
SION
RA Capital Nexus Fund, L.P.Nov 18, 2025
Proposed Sale
$39.042,728$106.5K
SION
RA Capital Nexus Fund, L.P.Nov 17, 2025
Proposed Sale
$39.9332,310$1.3M
SION
RA Capital Nexus Fund, L.P.Oct 28, 2025
Proposed Sale
$39.4531,392$1.2M
SION
RA Capital Nexus Fund, L.P.Oct 24, 2025
Proposed Sale
$39.21122,271$4.8M
VOR
RA Capital Nexus Fund, L.P.Oct 20, 2025
Proposed Sale
$29.4315,104$444.5K
VOR
RA Capital Nexus Fund, L.P.Oct 17, 2025
Proposed Sale
$29.0042,816$1.2M
VOR
RA Capital Nexus Fund, L.P.Oct 16, 2025
Proposed Sale
$29.0624,916$724.1K
VOR
RA Capital Nexus Fund, L.P.Oct 15, 2025
Proposed Sale
$30.228,430$254.8K
RA Capital Nexus Fund, L.P. — Insider Trading Activity | LevelFields AI