rotation.to
Following this device: dark.
Free account
rotation.to
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Ronald Harold Wilfred Cooper

Director

Company insider

Files Form 4 as: Director, C4 Therapeutics; Director, Generation Bio Co; CEO & President, enGene Therapeutics; President and CEO, Albireo Pharma; Director, Genocea Biosciences.

In numbers

Trades disclosed
68
Buys
3
Sells
6
Bought
$108K
Sold
$227K
Companies
5
Companies where not an officer
3
First trade
7 Jun 2016
Last trade
24 Jun 2026
Last filed
26 Jun 2026

Companies traded

Where they are an officer
ENGN enGene TherapeuticsDirector, Officer · Biotechnology · last 30 Jan 20261 buy · 0 sells
Albireo PharmaDirector, Officer · last 2 Mar 20232 buys · 6 sells
Everywhere else they filed: board seats, 10% stakes, other companies
CCCC C4 TherapeuticsDirector · Biotechnology · last 24 Jun 20260 buys · 0 sells
Generation Bio CoDirector · Biotechnology · last 9 Feb 20260 buys · 0 sells
Genocea BiosciencesDirector · last 18 Jun 20200 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
24 Jun 2026filed 26 Jun 2026CCCC C4 Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—62,000 at $0.00filing
24 Jun 2026filed 26 Jun 2026CCCC C4 Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—62,000 at $0.00filing
9 Feb 2026filed 9 Feb 2026Generation Bio CoBiotechnologySEC FORM 4 Code U—950filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—3,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—3,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—3,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—3,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—1,920filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—2,500filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—6,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—1,920filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—2,500filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—6,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio CoSEC FORM 4 Code U—950filing
30 Jan 2026filed 3 Feb 2026ENGN enGene Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—801,000 at $0.00filing
30 Jan 2026filed 3 Feb 2026ENGN enGene Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—801,000 at $0.00filing
18 Jun 2025filed 20 Jun 2025CCCC C4 Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,500 at $0.00filing
4 Jun 2025filed 6 Jun 2025Generation Bio Cooption or derivativeSEC FORM 4 Code A—30,000 at $0.00filing
29 Jan 2025filed 31 Jan 2025ENGN enGene Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—850,000 at $0.00filing
27 Sep 2024filed 1 Oct 2024ENGN enGene TherapeuticsBiotechnologySEC FORM 4 Bought$57K10,000 at $5.70filing

News

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

Sectors

Health Care1
Not placed8

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

Related people

William GrossmanInterim Chief Medical Officer · Interim Chief Medical Officer at enGene Therapeutics, filing Form 4 there in the last year
Paul J. HastingsChief Executive Officer · Director at enGene Therapeutics, filing Form 4 there in the last year
Richard M. GlickmanDirector · Director at enGene Therapeutics, filing Form 4 there in the last year
Philip Astley-SparkeDirector · Director at enGene Therapeutics, filing Form 4 there in the last year
Gerald A. BrunkDirector · Director at enGene Therapeutics, filing Form 4 there in the last year