DENKHAUS DONALD A

PrivateCIK: 1278439

Location

CORAL GABLES, FL

DENKHAUS DONALD A reported 1 transaction at CATALYST PHARMACEUTICALS, INC.

Review the transaction codes below to understand the nature of each event.

DENKHAUS DONALD A

Filed: 7/17/2026ACC: 0001161697-26-000175

InsiderDENKHAUS DONALD ACIK 1278439

→

IssuerCATALYST PHARMACEUTICALS, INC.CIK 1369568

Director

Since Dec 2018

-676.94K

Net shares

Net seller

$15.71M

Total sold

0

Open market trades

0B · 0S

11

Total transactions

676.94K disposed

Non-Derivative Transactions1

Common Stock, par value $0.001 per share

Direct

D · Disposition

Shares

−498.77K

Price / share

$31.50

Trade value

$15.71M

% of position

New position

7/15/2026

498.77K→0.00

Total

Net shares

−498.77K

Net value

-$15.71M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock, par value $0.001 per share Direct	7/15/2026	D · Disposition	−498.77K	$31.50	$15.71M	New position	498.77K	0.00
Total			−498.77K		-$15.71M

Derivative Transactions10

Options to purchase common stock

Direct

D · Disposition

Converts to

Common Stock

33.50K shares

Shares

−33.50K

Strike price

4.64

Held after

0.00

Exercisable

—

7/15/2026

Options to purchase common stock

Direct

D · Disposition

Converts to

Common Stock

30K shares

Shares

−30K

Strike price

3.42

Held after

0.00

Exercisable

—

7/15/2026

Options to purchase common stock

Direct

D · Disposition

Converts to

Common Stock

20K shares

Shares

−20K

Strike price

7.07

Held after

0.00

Exercisable

—

7/15/2026

Options to purchase common stock

Direct

D · Disposition

Converts to

Common Stock

15K shares

Shares

−15K

Strike price

18.59

Held after

0.00

Exercisable

—

7/15/2026

Options to purchase common stock

Direct

D · Disposition

Converts to

Common Stock

29.52K shares

Shares

−29.52K

Strike price

14.15

Held after

0.00

Exercisable

—

7/15/2026

Options to purchase common stock

Direct

D · Disposition

Converts to

Common Stock

23.25K shares

Shares

−23.25K

Strike price

21.12

Held after

0.00

Exercisable

—

7/15/2026

Options to purchase common stock

Direct

D · Disposition

Converts to

Common Stock

18.11K shares

Shares

−18.11K

Strike price

22.77

Held after

0.00

Exercisable

—

7/15/2026

Restricted Stock Units

Direct

D · Disposition

Converts to

Common Stock

1.41K shares

Shares

−1.41K

Strike price

Held after

0.00

Exercisable

—

7/15/2026

Restricted Stock Units

Direct

D · Disposition

Converts to

Common Stock

1.89K shares

Shares

−1.89K

Strike price

Held after

0.00

Exercisable

—

7/15/2026

Restricted Stock Units

Direct

D · Disposition

Converts to

Common Stock

5.47K shares

Shares

−5.47K

Strike price

Held after

0.00

Exercisable

—

7/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Options to purchase common stock Direct	Common Stock33.50K shares	7/15/2026	D · Disposition	−33.50K	4.64	—	0.00
Options to purchase common stock Direct	Common Stock30K shares	7/15/2026	D · Disposition	−30K	3.42	—	0.00
Options to purchase common stock Direct	Common Stock20K shares	7/15/2026	D · Disposition	−20K	7.07	—	0.00
Options to purchase common stock Direct	Common Stock15K shares	7/15/2026	D · Disposition	−15K	18.59	—	0.00
Options to purchase common stock Direct	Common Stock29.52K shares	7/15/2026	D · Disposition	−29.52K	14.15	—	0.00
Options to purchase common stock Direct	Common Stock23.25K shares	7/15/2026	D · Disposition	−23.25K	21.12	—	0.00
Options to purchase common stock Direct	Common Stock18.11K shares	7/15/2026	D · Disposition	−18.11K	22.77	—	0.00
Restricted Stock Units Direct	Common Stock1.41K shares	7/15/2026	D · Disposition	−1.41K		—	0.00
Restricted Stock Units Direct	Common Stock1.89K shares	7/15/2026	D · Disposition	−1.89K		—	0.00
Restricted Stock Units Direct	Common Stock5.47K shares	7/15/2026	D · Disposition	−5.47K		—	0.00