ARBUCKLE STUART A

PrivateCIK: 1557290
Location

CAMBRIDGE, MA

ARBUCKLE STUART A exercised options at RHYTHM PHARMACEUTICALS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderARBUCKLE STUART ACIK 1557290
Director
Since Jul 2019
0.00
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
4K acquired · 4K disposed
Non-Derivative Transactions1

Common Stock

Direct
M · Option Exercise

Shares

+4K

Price / share

Trade value

% of position

133.3%
6/18/2025
3K7K
Total

Net shares

+4K

Net value

$0.00

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

4K shares

Shares

4K

Strike price

Held after

0.00

Exercisable

6/18/2025
ARBUCKLE STUART A — Insider Transaction (Form 4) Filed Jun 23, 2025 | Finecho