FAIRMOUNT FUNDS MANAGEMENT LLC

PrivateCIK: 1802528
Location

WEST CONSHOHOCKEN, PA

FAIRMOUNT FUNDS MANAGEMENT LLC purchased 98.0% of their position (1.36M shares) of CRESCENT BIOPHARMA, INC. on the open market

Open‑market purchase worth $18.24M — a major conviction buy. The strongest form of insider conviction signal.

P · 1 purchase
IssuerCRESCENT BIOPHARMA, INC.CIK 1253689
Director10% Owner
Since Jun 2025
+1.49M
Net shares
Net buyer
$18.24M
Total acquired
1
Open market trades
1B · 0S
2
Total transactions
1.49M acquired
Non-Derivative Transactions1

Ordinary Shares

Indirect
P · Purchase

Shares

+1.36M

Price / share

$13.41

Trade value

$18.24M

% of position

98.0%
12/4/2025
1.39M2.75M
Total

Net shares

+1.36M

Net value

$18.24M

Derivative Transactions1

Pre-Funded Warrant (Right to Buy)

Indirect
P · Purchase
Converts to

Ordinary Shares

131.43K shares

Shares

+131.43K

Strike price

0.001

Held after

1.77M

Exercisable

12/4/2025
FAIRMOUNT FUNDS MANAGEMENT LLC — Insider Transaction (Form 4) Filed Dec 8, 2025 | Finecho