FAIRMOUNT FUNDS MANAGEMENT LLC

PrivateCIK: 1802528
Location

WEST CONSHOHOCKEN, PA

FAIRMOUNT FUNDS MANAGEMENT LLC sold 38.9% of their position (3.50M shares) of COGENT BIOSCIENCES, INC. on the open market

Open‑market sale worth $127.40M — 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
-3.50M
Net shares
Net seller
$127.40M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
3.50M disposed
Non-Derivative Transactions1

Common Stock

Indirect
S · Sale

Shares

3.50M

Price / share

$36.40

Trade value

$127.40M

% of position

38.9%
1/22/2026
9M5.50M
Total

Net shares

3.50M

Net value

-$127.40M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)0
No non-derivative holdings reported
Derivative Holdings (Post-Transaction)1

Series A Convertible Preferred Stock

Indirect
Underlying security
Common Stock

Underlying shares

16.85M

Shares owned

67.41K

Exercise price

Expiration

Exercise window

Total

Underlying

16.85M

Owned

67.41K

FAIRMOUNT FUNDS MANAGEMENT LLC — Insider Transaction (Form 4) Filed Jan 22, 2026 | Finecho