ARBUCKLE STUART A

PrivateCIK: 1557290
Location

CAMBRIDGE, MA

ARBUCKLE STUART A received a stock award from ALNYLAM PHARMACEUTICALS, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderARBUCKLE STUART ACIK 1557290
Director
Since Jan 2026
+2.11K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
2.11K acquired
Non-Derivative Transactions1

Common Stock

Direct
A · Award

Shares

+671.00

Price / share

Trade value

% of position

New position
5/20/2026
0.00671.00
Total

Net shares

+671.00

Net value

$0.00

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

1.44K shares

Shares

+1.44K

Strike price

298.48

Held after

1.44K

Exercisable

5/20/2026
ARBUCKLE STUART A — Insider Transaction (Form 4) Filed May 22, 2026 | Finecho