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Who

Graham K. Cooper

Director

Company insider

Files Form 4 as: Director, Beam Therapeutics; Director, Kezar Life Sciences; Director, Applied Molecular Transport; Director, Unity Biotechnology; Director, Nuvation Bio; Officer, Assembly Biosciences; Chief Financial Officer, Receptos; Director, Celladon.

In numbers

Trades disclosed
169
Buys
0
Sells
8
Bought
$0
Sold
$5.7M
Companies
10
Companies where not an officer
6
First trade
20 Nov 2007
Last trade
3 Jun 2026
Last filed
5 Jun 2026

Companies traded

Where they are an officer
ASMB Assembly BiosciencesOfficer · Biotechnology · last 29 Mar 20190 buys · 0 sells
ReceptosOfficer · last 27 Aug 20150 buys · 1 sell
GERN GeronOfficer · Biotechnology · last 17 May 20120 buys · 0 sells
Orexigen TherapeuticsOfficer · last 18 Jan 20110 buys · 5 sells
Everywhere else they filed: board seats, 10% stakes, other companies
BEAM Beam TherapeuticsDirector · Genomics & Gene Editing · last 3 Jun 20260 buys · 2 sells
Kezar Life SciencesDirector · Biotechnology · last 11 May 20260 buys · 0 sells
Applied Molecular TransportDirector · last 27 Jan 20220 buys · 0 sells
Unity BiotechnologyDirector · last 24 Jun 20210 buys · 0 sells
NUVB Nuvation BioDirector · Biotechnology · last 10 Feb 20210 buys · 0 sells
CelladonDirector · last 4 Jun 20150 buys · 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
3 Jun 2026filed 5 Jun 2026BEAM Beam Therapeuticsoption or derivative · Genomics & Gene EditingSEC FORM 4 Code A—19,676 at $0.00filing
3 Jun 2026filed 5 Jun 2026BEAM Beam Therapeuticsoption or derivative · Genomics & Gene EditingSEC FORM 4 Code A—19,676 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code D—3,742 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code D—2,600 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code D—889 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code D—3,500 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—3,742 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—889 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—3,500 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—5,000 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—5,000 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—889 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—889 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—2,600 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—2,600 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivativeSEC FORM 4 Code D—2,600 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code D—5,000 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code D—5,000 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code D—889 at $0.00filing
11 May 2026filed 11 May 2026Kezar Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code D—889 at $0.00filing

Sectors

Health Care2
Not placed6

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

Related people

Robert J. SpiegelDirector · Director at Geron, filing Form 4 there in the last year
Jeanette M. BjorkquistPFO and PAO · PFO and PAO at Assembly Biosciences, filing Form 4 there in the last year
Anuj GaggarChief Medical Officer · Chief Medical Officer at Assembly Biosciences, filing Form 4 there in the last year
Susan MahonyDirector · Director at Assembly Biosciences, filing Form 4 there in the last year
Gina ConsylmanDirector · Director at Assembly Biosciences, filing Form 4 there in the last year
John M. EvansCEO · Also traded BEAM in the last 90 days
Bethany J. CavanaghSVP, Finance and Treasurer · Also traded BEAM in the last 90 days
Amy SimonChief Medical Officer · Also traded BEAM in the last 90 days