GARFIELD ALASTAIR

PrivateCIK: 2027261
Location

BOSTON, MA

GARFIELD ALASTAIR (Chief Scientific Officer) sold 77.2% of their position (7.76K shares) of RHYTHM PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $912.7K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderGARFIELD ALASTAIRCIK 2027261
Officer· Chief Scientific Officer
Since Feb 2026
-7.76K
Net shares
Net seller
$912.7K
Total sold
4
Open market trades
0B · 4S
4
Total transactions
7.76K disposed
Non-Derivative Transactions4

Common Stock

Direct
S · Sale

Shares

2.01K

Price / share

$116.11

Trade value

$233.03K

% of position

20.0%
8/13/2026
10.06K8.05K

Common Stock

Direct
S · Sale

Shares

1.56K

Price / share

$117.08

Trade value

$182.17K

% of position

19.3%
8/13/2026
8.05K6.50K

Common Stock

Direct
S · Sale

Shares

3.40K

Price / share

$118.28

Trade value

$402.17K

% of position

52.3%
8/13/2026
6.50K3.10K

Common Stock

Direct
S · Sale

Shares

800.00

Price / share

$119.17

Trade value

$95.34K

% of position

25.8%
8/13/2026
3.10K2.29K
Total

Net shares

7.76K

Net value

-$912.70K

Derivative Transactions0
No derivative transactions reported