SUPRAN BRYAN

PrivateCIK: 1511797
Location

CAMBRIDGE, MA

SUPRAN BRYAN (EVP, CLO and Secretary) sold 12.1% of their position (1.76K shares) of ALNYLAM PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $398.9K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderSUPRAN BRYANCIK 1511797
→
Officer· EVP, CLO and Secretary
Since Mar 2026
-1.76K
Net shares
Net seller
$398.9K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
1.76K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

−1.76K

Price / share

$226.88

Trade value

$398.86K

% of position

12.1%
10/2/2026
14.56K→12.81K
Total

Net shares

−1.76K

Net value

-$398.86K

Derivative Transactions0
No derivative transactions reported