FAIRMOUNT FUNDS MANAGEMENT LLC

PrivateCIK: 1802528
Location

WEST CONSHOHOCKEN, PA

FAIRMOUNT FUNDS MANAGEMENT LLC sold 56.0% of their position (7M shares) of COGENT BIOSCIENCES, INC. on the open market

Open‑market sale worth $242.62M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
IssuerCOGENT BIOSCIENCES, INC.CIK 1622229
10% Owner
Since Jul 2020
-28K
Net shares
Net seller
$242.62M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
7M acquired · 7.03M disposed
Non-Derivative Transactions2

Common Stock

Indirect
C · Conversion

Shares

+7M

Price / share

Trade value

% of position

127.2%
3/31/2026
5.50M12.50M

Common Stock

Indirect
S · Sale

Shares

7M

Price / share

$34.66

Trade value

$242.62M

% of position

56.0%
3/31/2026
12.50M5.50M
Total

Net shares

+0.00

Net value

-$242.62M

Derivative Transactions1

Series A Convertible Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

7M shares

Shares

28K

Strike price

Held after

39.41K

Exercisable

3/31/2026
FAIRMOUNT FUNDS MANAGEMENT LLC — Insider Transaction (Form 4) Filed Mar 31, 2026 | Finecho