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Who

Douglas J. Williamson

Director

Company insider

Files Form 4 as: Director, Vistagen Therapeutics; Executive VP, Research & Dev, ACADIA Pharmaceuticals; Chief Medical Officer, Avadel Pharmaceuticals.

In numbers

Trades disclosed
5
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
3
Companies where not an officer
1
First trade
14 Feb 2022
Last trade
29 Jul 2026
Last filed
31 Jul 2026

Companies traded

Where they are an officer
ACAD ACADIA PharmaceuticalsOfficer · Pharmaceuticals · last 10 Feb 20230 buys · 0 sells
Avadel PharmaceuticalsOfficer · last 14 Feb 20220 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
VTGN Vistagen TherapeuticsDirector · Biotechnology · last 29 Jul 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
29 Jul 2026filed 31 Jul 2026VTGN Vistagen Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—40,826 at $0.00filing
29 Jul 2026filed 31 Jul 2026VTGN Vistagen Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—40,826 at $0.00filing
10 Feb 2023filed 13 Feb 2023ACAD ACADIA Pharmaceuticalsoption or derivative · PharmaceuticalsSEC FORM 4 Code A—237,296 at $0.00filing
10 Feb 2023filed 13 Feb 2023ACAD ACADIA Pharmaceuticalsoption or derivative · PharmaceuticalsSEC FORM 4 Code A—50,655 at $0.00filing
14 Feb 2022filed 16 Feb 2022Avadel Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—275,000 at $0.00filing

News

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

Sectors

No trade we could place in a sector.

Related people

Mark C. SchneyerEVP, Chief Financial Officer · EVP, Chief Financial Officer at Acadia Pharmaceuticals, filing Form 4 there in the last year
Elizabeth H.Z. ThompsonEVP, Head of Research & Dev · EVP, Head of Research & Dev at Acadia Pharmaceuticals, filing Form 4 there in the last year
James KiharaPrincipal Accounting Officer · Principal Accounting Officer at Acadia Pharmaceuticals, filing Form 4 there in the last year
BAKER BROS. ADVISORS LPDirector and 10% owner · Director and 10% owner at Acadia Pharmaceuticals, filing Form 4 there in the last year
James M. DalyDirector · Director at Acadia Pharmaceuticals, filing Form 4 there in the last year