RA CAPITAL MANAGEMENT, L.P.

PrivateCIK: 1346824
Location

BOSTON, MA

RA CAPITAL MANAGEMENT, L.P. purchased 1.1% of their position (67.67K shares) of HEMAB THERAPEUTICS HOLDINGS, INC. on the open market

Open‑market purchase worth $1.69M — a small addition. The strongest form of insider conviction signal.

P · 2 purchases
Director10% Owner
Since Apr 2026
+67.67K
Net shares
Net buyer
$1.69M
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
67.67K acquired
Non-Derivative Transactions2

Common Stock

Indirect
P · Purchase

Shares

+6.15K

Price / share

$24.89

Trade value

$152.97K

% of position

0.1%
6/15/2026
6.38M6.38M

Common Stock

Indirect
P · Purchase

Shares

+61.52K

Price / share

$24.98

Trade value

$1.54M

% of position

1.0%
6/16/2026
6.38M6.44M
Total

Net shares

+67.67K

Net value

$1.69M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect
Shares owned1.01M

Common Stock

Indirect
Shares owned354.94K
Total
1.36M indirect1.36M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
RA CAPITAL MANAGEMENT, L.P. — Insider Transaction (Form 4) Filed Jun 17, 2026 | Finecho