GARFIELD ALASTAIR

PrivateCIK: 2027261
Location

BOSTON, MA

GARFIELD ALASTAIR (Chief Scientific Officer) exercised options at RHYTHM PHARMACEUTICALS, INC.

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

M · 1 exercise
InsiderGARFIELD ALASTAIRCIK 2027261
Officer· Chief Scientific Officer
Since Feb 2026
-2.03K
Net shares
Net seller
$220.8K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
6.66K acquired · 8.69K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+6.66K

Price / share

Trade value

% of position

213.1%
2/1/2026
3.13K9.79K

Common Stock

Direct
F · Tax Withholding

Shares

2.03K

Price / share

$108.99

Trade value

$220.81K

% of position

20.7%
2/1/2026
9.79K7.76K
Total

Net shares

+4.64K

Net value

-$220.81K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

6.66K shares

Shares

6.66K

Strike price

Held after

19.99K

Exercisable

2/1/2026
GARFIELD ALASTAIR — Insider Transaction (Form 4) Filed Feb 3, 2026 | Finecho