ELSBERND BRIAN

PrivateCIK: 1763511
Location

CORAL GABLES, FL

ELSBERND BRIAN (Chief Compliance/Legal Officer) exercised options at CATALYST PHARMACEUTICALS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderELSBERND BRIANCIK 1763511
Officer· Chief Compliance/Legal Officer
Since Dec 2018
-2.78K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
3
Total transactions
7.07K acquired · 9.85K disposed
Non-Derivative Transactions2

Common Stock, par value $0.001 per share

Direct
M · Option Exercise

Shares

+7.07K

Price / share

Trade value

% of position

3.0%
12/8/2025
234.17K241.24K

Common Stock, par value $0.001 per share

Direct
F · Tax Withholding

Shares

2.78K

Price / share

Trade value

% of position

1.2%
12/8/2025
241.24K238.46K
Total

Net shares

+4.29K

Net value

$0.00

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

7.07K shares

Shares

7.07K

Strike price

Held after

962.81K

Exercisable

12/8/2025
ELSBERND BRIAN — Insider Transaction (Form 4) Filed Dec 10, 2025 | Finecho