SMITH HUNTER C

PrivateCIK: 1636385
Location

BOSTON, MA

SMITH HUNTER C (Chief Financial 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
InsiderSMITH HUNTER CCIK 1636385
Officer· Chief Financial Officer
Since Mar 2026
-10.75K
Net shares
Net seller
$1.17M
Total sold
0
Open market trades
0B · 0S
6
Total transactions
26K acquired · 36.75K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+26K

Price / share

Trade value

% of position

22.2%
2/1/2026
116.92K142.91K

Common Stock

Direct
F · Tax Withholding

Shares

10.75K

Price / share

$108.99

Trade value

$1.17M

% of position

7.5%
2/1/2026
142.91K132.16K
Total

Net shares

+15.25K

Net value

-$1.17M

Derivative Transactions4

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

4.06K shares

Shares

4.06K

Strike price

Held after

0.00

Exercisable

2/1/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

4.92K shares

Shares

4.92K

Strike price

Held after

4.92K

Exercisable

2/1/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

6.60K shares

Shares

6.60K

Strike price

Held after

13.20K

Exercisable

2/1/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

10.41K shares

Shares

10.41K

Strike price

Held after

31.24K

Exercisable

2/1/2026
SMITH HUNTER C — Insider Transaction (Form 4) Filed Feb 3, 2026 | Finecho