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Who

Douglas E. Williams

Director

Company insider

Files Form 4 as: Director, CAMP4 Therapeutics; Director, Climb Bio; EVP & President, R&D, Sana Biotechnology; President & CEO, Codiak BioSciences; Director, Ovid Therapeutics; Director, Ironwood Pharmaceuticals; Director, Regulus Therapeutics; EVP Research & Development, Biogen.

In numbers

Trades disclosed
134
Buys
5
Sells
7
Bought
$100K
Sold
$3.8M
Companies
12
Companies where not an officer
8
First trade
5 Jan 2006
Last trade
10 Jun 2026
Last filed
12 Jun 2026

Companies traded

Where they are an officer
SANA Sana BiotechnologyOfficer · Biotechnology · last 7 Mar 20240 buys · 0 sells
Codiak BioSciencesDirector, Officer · last 28 Mar 20230 buys · 4 sells
BIIB BiogenOfficer · Biotechnology · last 19 Jun 20150 buys · 3 sells
ZymogeneticsDirector, Officer · last 8 Oct 20102 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
CAMP CAMP4 TherapeuticsDirector · Biotechnology · last 10 Jun 20260 buys · 0 sells
CLYM Climb BioDirector · Biotechnology · last 5 Jun 20260 buys · 0 sells
OVID Ovid TherapeuticsDirector · Biotechnology · last 17 May 20211 buy · 0 sells
IRWD Ironwood PharmaceuticalsDirector · Pharmaceuticals · last 1 Apr 20190 buys · 0 sells
Regulus TherapeuticsDirector · last 2 Jun 20160 buys · 0 sells
OncothyreonDirector · last 13 Jun 20130 buys · 0 sells
Array BiopharmaDirector · last 4 Nov 20101 buy · 0 sells
Anadys PharmaceuticalsDirector · last 30 May 20081 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
10 Jun 2026filed 12 Jun 2026CAMP CAMP4 Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—28,000 at $0.00filing
10 Jun 2026filed 12 Jun 2026CAMP CAMP4 Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—28,000 at $0.00filing
5 Jun 2026filed 8 Jun 2026CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—40,000 at $0.00filing
5 Jun 2026filed 8 Jun 2026CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—40,000 at $0.00filing
4 Jun 2025filed 5 Jun 2025CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—40,000 at $0.00filing
31 Mar 2025filed 1 Apr 2025CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—78,873 at $0.00filing
17 Mar 2025filed 19 Mar 2025CAMP CAMP4 Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—17,787 at $0.00filing
11 Nov 2024filed 12 Nov 2024CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
11 Nov 2024filed 12 Nov 2024CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—6,291 at $0.00filing
7 Mar 2024filed 8 Mar 2024SANA Sana Biotechnologyoption or derivative · BiotechnologySEC FORM 4 Code A—67,083 at $0.00filing
7 Mar 2024filed 8 Mar 2024SANA Sana Biotechnologyoption or derivative · BiotechnologySEC FORM 4 Code A—301,875 at $0.00filing
2 Nov 2023filed 3 Nov 2023SANA Sana Biotechnologyoption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
10 Apr 2023filed 11 Apr 2023SANA Sana Biotechnologyoption or derivative · BiotechnologySEC FORM 4 Code A—1,100,000 at $0.00filing
28 Mar 2023filed 30 Mar 2023Codiak BioSciencesSEC FORM 4 Sold$7,50041,667 at $0.18filing
17 Feb 2023filed 21 Feb 2023Codiak BioSciencesSEC FORM 4 Sold$4,5327,681 at $0.59filing
16 Feb 2023filed 21 Feb 2023Codiak BioSciencesoption or derivativeSEC FORM 4 Code M—22,969 at $0.00filing
16 Feb 2023filed 21 Feb 2023Codiak BioSciencesSEC FORM 4 Code M—22,969filing
24 Jan 2023filed 26 Jan 2023Codiak BioSciencesoption or derivativeSEC FORM 4 Code A—465,000 at $0.00filing
20 Jan 2023filed 23 Jan 2023Codiak BioSciencesSEC FORM 4 Sold$2,9445,075 at $0.58filing
19 Jan 2023filed 23 Jan 2023Codiak BioSciencesoption or derivativeSEC FORM 4 Code M—13,667 at $0.00filing

Sectors

Health Care4
Not placed8

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

Related people

Hans Edgar BishopDirector · Director at Sana Biotechnology, filing Form 4 there in the last year
Sean GodboutChief Accounting Officer · Chief Accounting Officer at Biogen, filing Form 4 there in the last year
Michael PariniChief Legal Officer · Chief Legal Officer at Biogen, filing Form 4 there in the last year
Dhavalkumar Dhirajlal PatelEVP, Chief Scientific Officer · EVP, Chief Scientific Officer at Sana Biotechnology, filing Form 4 there in the last year
Lloyd MinorDirector · Director at Biogen, filing Form 4 there in the last year
Maria Elvira SalazarRepresentative, FL-27 · Also traded BIIB in the last 90 days
Kevin HernRepresentative, OK-01 · Also traded BIIB in the last 90 days