David S Tierney

CPRX

David S Tierney serves as Director at Catalyst Pharmaceuticals, Inc. (CPRX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

7 trades

$2.98M

Net Position

Net Seller

$2.98M

Companies Traded

CPRX

Active Period

Aug 2021 – Aug 2025

7 total trades

Most Recent

Sell CPRX

Aug 27, 2025 · $525.2K

David S Tierney's Insider Trading at Catalyst Pharmaceuticals, Inc. (CPRX)

Buys

0 · $0.00

Sells

7 · $2.98M

Total Shares Bought

Total Shares Sold

216,000

CPRX Price Chart

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Date	Type	Shares	Avg Price	Value
Aug 27, 2025↗	Sell	26,000	$20.20	$525.2K
Aug 21, 2024↗	Sell	15,000	$20.10	$301.5K
Apr 8, 2024↗	Sell	25,000	$15.68	$392.0K
Dec 12, 2023↗	Sell	50,000	$13.33	$666.3K
Apr 5, 2023↗	Sell	30,000	$16.83	$504.9K
Aug 22, 2022↗	Sell	20,000	$14.16	$283.2K
Aug 13, 2021↗	Sell	50,000	$6.08	$303.9K