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
-2.15K
Net shares
Net seller
$237.4K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
4.45K acquired · 6.59K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+4.45K

Price / share

Trade value

% of position

57.3%
7/1/2026
7.76K12.21K

Common Stock

Direct
F · Tax Withholding

Shares

2.15K

Price / share

$110.41

Trade value

$237.38K

% of position

17.6%
7/1/2026
12.21K10.06K
Total

Net shares

+2.29K

Net value

-$237.38K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

4.45K shares

Shares

4.45K

Strike price

Held after

8.89K

Exercisable

7/1/2026
GARFIELD ALASTAIR — Insider Transaction (Form 4) Filed Jul 2, 2026 | Finecho