RA CAPITAL MANAGEMENT, L.P.

PrivateCIK: 1346824
Location

BOSTON, MA

RA CAPITAL MANAGEMENT, L.P. purchased 74.9% of their position (6.51M shares) of ARTIVA BIOTHERAPEUTICS, INC. on the open market

Open‑market purchase worth $75.00M — a major conviction buy. The strongest form of insider conviction signal.

P · 1 purchase
InsiderRA CAPITAL MANAGEMENT, L.P.CIK 1346824
Director10% Owner
Since Jul 2024
+8.68M
Net shares
Net buyer
$75.00M
Total acquired
1
Open market trades
1B · 0S
2
Total transactions
8.68M acquired
Non-Derivative Transactions1

Common Stock

Indirect
P · Purchase

Shares

+6.51M

Price / share

$11.52

Trade value

$75M

% of position

74.9%
5/11/2026
8.69M15.20M
Total

Net shares

+6.51M

Net value

$75M

Derivative Transactions1

Pre-Funded Warrant (Right to Buy)

Indirect
P · Purchase
Converts to

Common Stock

2.17M shares

Shares

+2.17M

Strike price

0.0001

Held after

2.17M

Exercisable

5/11/2026
Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect
Shares owned68.32K

Common Stock

Indirect
Shares owned264.57K

Common Stock

Indirect
Shares owned826.83K
Total
1.16M indirect1.16M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
RA CAPITAL MANAGEMENT, L.P. — Insider Transaction (Form 4) Filed May 13, 2026 | Finecho