DENKHAUS DONALD A

Director at NOVEN PHARMACEUTICALS INC · on record since May 25, 2006
Director at CATALYST PHARMACEUTICALS, INC. · on record since Mar 30, 2015

Insider trading activity of DENKHAUS DONALD A

Transactions on record: 96; since Feb 13, 2004

Open-market buys: 11; $624.7K

Open-market sells: 2; $638.6K

Companies traded: 2; last filing Jul 17, 2026

Figures computed from official regulatory filings — .

Companies where DENKHAUS DONALD A has traded

CATALYST PHARMACEUTICALS, INC.81 tx · $17.5M · Jul 17, 2026
NOVEN PHARMACEUTICALS INC15 tx · $814.8K · Aug 27, 2009

Track record of DENKHAUS DONALD A

Statistical track record

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Open-market buys: 11

Last buy: Dec 27, 2018

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Transaction history of DENKHAUS DONALD A

Co-insiders of DENKHAUS DONALD A

ABRAO EDUARDO GNOVEN PHARMACEUTICALS INC
Andrews William T.CATALYST PHARMACEUTICALS, INC.
BARRETT DIANENOVEN PHARMACEUTICALS INC
BIOMARIN PHARMACEUTICAL INCCATALYST PHARMACEUTICALS, INC.
BRAGINSKY SIDNEYNOVEN PHARMACEUTICALS INC
Brandt Peter C.NOVEN PHARMACEUTICALS INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-23,248	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-29,524	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-5,468	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	Other	-498,773	31.50 USD	$15.7M	Unusual size	SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-18,115	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-33,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-1,414	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-1,894	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 30, 2025	ExerciseD (derivative)	-1,334	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 30, 2025	Exercise	1,334	—	n/a (No price was disclosed in the filing)		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 10, 2025	ExerciseD (derivative)	-1,413	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 10, 2025	Exercise	1,413	—	n/a (No price was disclosed in the filing)		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Nov 24, 2025	AwardD (derivative)	18,115	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Nov 24, 2025	AwardD (derivative)	5,468	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Nov 24, 2025	ExerciseD (derivative)	-947	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Nov 24, 2025	Exercise	947	—	n/a (No price was disclosed in the filing)		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Feb 19, 2025	Exercise	4,000	—	n/a (No price was disclosed in the filing)		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Feb 19, 2025	ExerciseD (derivative)	-4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jan 10, 2025	Exercise	50,000	2.24 USD	$112K		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jan 10, 2025	ExerciseD (derivative)	-50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 31, 2024	ExerciseD (derivative)	-1,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 31, 2024	Exercise	1,333	—	n/a (No price was disclosed in the filing)		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-23,248	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-29,524	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-5,468	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	Other	-498,773	31.50 USD	$15.7M	Unusual size	SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-18,115	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-33,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-1,414	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jul 17, 2026	OtherD (derivative)	-1,894	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 30, 2025	ExerciseD (derivative)	-1,334	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 30, 2025	Exercise	1,334	—	n/a (No price was disclosed in the filing)		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 10, 2025	ExerciseD (derivative)	-1,413	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 10, 2025	Exercise	1,413	—	n/a (No price was disclosed in the filing)		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Nov 24, 2025	AwardD (derivative)	18,115	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Nov 24, 2025	AwardD (derivative)	5,468	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Nov 24, 2025	ExerciseD (derivative)	-947	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Nov 24, 2025	Exercise	947	—	n/a (No price was disclosed in the filing)		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Feb 19, 2025	Exercise	4,000	—	n/a (No price was disclosed in the filing)		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Feb 19, 2025	ExerciseD (derivative)	-4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jan 10, 2025	Exercise	50,000	2.24 USD	$112K		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Jan 10, 2025	ExerciseD (derivative)	-50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 31, 2024	ExerciseD (derivative)	-1,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CATALYST PHARMACEUTICALS, INC.Security delisted	Dec 31, 2024	Exercise	1,333	—	n/a (No price was disclosed in the filing)		SEC