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Who

Donald A. Denkhaus

Director

Company insider

Files Form 4 as: Director, Catalyst Pharmaceutical; Director, Noven Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
103
Buys
10
Sells
2
Bought
$625K
Sold
$639K
Companies
2
Companies where not an officer
2
First trade
23 May 2006
Last trade
15 Jul 2026
Last filed
17 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
Catalyst PharmaceuticalDirector · Biotechnology · last 15 Jul 20269 buys · 2 sells
Noven PharmaceuticalsDirector · last 27 Aug 20091 buy · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Jul 2026filed 17 Jul 2026Catalyst PharmaceuticalBiotechnologySEC FORM 4 Code D$15.7M498,773 at $31.50filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—1,894 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—5,468 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—33,500 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—30,000 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—33,500 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—30,000 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—20,000 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—15,000 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—29,524 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—23,248 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—18,115 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—1,414 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—1,894 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—5,468 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—20,000 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—15,000 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—29,524 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—23,248 at $0.00filing
15 Jul 2026filed 17 Jul 2026Catalyst Pharmaceuticaloption or derivative · BiotechnologySEC FORM 4 Code D—18,115 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed12

Buys in green, sells in red, by the company’s sector.

Related people

Patrick J. McEnanyDirector and Other role · Director and Other at Catalyst Pharmaceuticals, filing Form 4 there in the last year
David S. TierneyDirector · Director at Catalyst Pharmaceuticals, filing Form 4 there in the last year
Steve MillerChief Op. & Scientific Officer · Chief Op. & Scientific Officer at Catalyst Pharmaceuticals, filing Form 4 there in the last year
Richard J. DalyPresident and CEO · President and CEO at Catalyst Pharmaceuticals, filing Form 4 there in the last year
William T. AndrewsChief Medical Officer · Chief Medical Officer at Catalyst Pharmaceuticals, filing Form 4 there in the last year