DEEP TRACK BIOTECHNOLOGY MASTER FUND, LTD.

PrivateCIK: 2015536
Location

GEORGE TOWN, E9

DEEP TRACK BIOTECHNOLOGY MASTER FUND, LTD. purchased 2.67M shares of LB PHARMACEUTICALS INC on the open market

Open‑market purchase worth $40.00M. The strongest form of insider conviction signal.

P · 2 purchases
10% Owner
Since Feb 2026
-13.31M
Net shares
Net seller
$40.00M
Total acquired
2
Open market trades
2B · 0S
4
Total transactions
3.35M acquired · 16.67M disposed
Non-Derivative Transactions3

Common Stock

Direct
C · Conversion

Shares

+686.14K

Price / share

Trade value

% of position

New position
9/12/2025
0.00686.14K

Common Stock

Direct
P · Purchase

Shares

+2M

Price / share

$15.00

Trade value

$30M

% of position

291.5%
9/12/2025
686.14K2.69M

Common Stock

Indirect
P · Purchase

Shares

+666.67K

Price / share

$15.00

Trade value

$10M

% of position

New position
9/12/2025
0.00666.67K
Total

Net shares

+3.35M

Net value

$40M

Derivative Transactions1

Series C Preferred Stock

Direct
C · Conversion
Converts to

Common Stock

686.14K shares

Shares

16.67M

Strike price

Held after

0.00

Exercisable

9/12/2025
DEEP TRACK BIOTECHNOLOGY MASTER FUND, LTD. — Insider Transaction (Form 4) Filed Sep 16, 2025 | Finecho