SMITH HUNTER C

PrivateCIK: 1636385
Location

BOSTON, MA

SMITH HUNTER C (Chief Financial Officer) sold 35.5% of their position (62.77K shares) of RHYTHM PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $6.62M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderSMITH HUNTER CCIK 1636385
Officer· Chief Financial Officer
Since Mar 2026
-62.77K
Net shares
Net seller
$6.62M
Total sold
3
Open market trades
0B · 3S
5
Total transactions
57.19K acquired · 119.96K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+57.19K

Price / share

$25.79

Trade value

$1.47M

% of position

47.8%
8/31/2026
119.61K176.80K

Common Stock

Direct
S · Sale

Shares

23.07K

Price / share

$104.59

Trade value

$2.41M

% of position

13.0%
8/31/2026
176.80K153.73K

Common Stock

Direct
S · Sale

Shares

11.51K

Price / share

$105.37

Trade value

$1.21M

% of position

7.5%
8/31/2026
153.73K142.21K

Common Stock

Direct
S · Sale

Shares

28.19K

Price / share

$106.20

Trade value

$2.99M

% of position

19.8%
8/31/2026
142.21K114.02K
Total

Net shares

5.59K

Net value

-$5.15M

Derivative Transactions1

Employee Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

57.19K shares

Shares

57.19K

Strike price

25.79

Held after

3.81K

Exercisable

8/31/2026