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Who

Stephen Basil Thomas

Director

Company insider

Files Form 4 as: Director, Climb Bio.

In numbers

Trades disclosed
22
Buys
0
Sells
5
Bought
$0
Sold
$4.5M
Companies
1
Companies where not an officer
1
First trade
27 Jun 2024
Last trade
15 Sep 2026
Last filed
17 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CLYM Climb BioDirector · Biotechnology · last 15 Sep 20260 buys · 5 sells

Activity over time

1 Feb – 1 Oct
40Feb 26Apr 26Jun 26Aug 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Sep 2026filed 17 Sep 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$1.4M100,000 at $13.67filing
15 Sep 2026filed 17 Sep 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$1.4M100,000 at $13.67filing
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
26 Feb 2026filed 27 Feb 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$114K16,313 at $7.01filing
26 Feb 2026filed 27 Feb 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$114K16,313 at $7.01filing
25 Feb 2026filed 27 Feb 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$236K33,687 at $7.00filing
25 Feb 2026filed 27 Feb 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$236K33,687 at $7.00filing
13 Feb 2026filed 17 Feb 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$58K10,000 at $5.81filing
13 Feb 2026filed 17 Feb 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$58K10,000 at $5.81filing
12 Feb 2026filed 17 Feb 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$471K90,000 at $5.23filing
12 Feb 2026filed 17 Feb 2026CLYM Climb BioBiotechnologySEC FORM 4 Sold$471K90,000 at $5.23filing
7 Aug 2025filed 11 Aug 2025CLYM Climb BioBiotechnologySEC FORM 4 Code A—100,375 at $0.00filing
27 Jun 2025filed 1 Jul 2025CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code M—25,094 at $0.00filing
27 Jun 2025filed 1 Jul 2025CLYM Climb BioBiotechnologySEC FORM 4 Code M—25,094filing
4 Jun 2025filed 5 Jun 2025CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—40,000 at $0.00filing
27 Mar 2025filed 27 Mar 2025CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code M—25,093 at $0.00filing
27 Mar 2025filed 27 Mar 2025CLYM Climb BioBiotechnologySEC FORM 4 Code M—25,093filing
1 Jan 2025filed 3 Jan 2025CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code M—50,188 at $0.00filing
1 Jan 2025filed 3 Jan 2025CLYM Climb BioBiotechnologySEC FORM 4 Code M—50,188filing

News

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

Sectors

Health Care5

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

Related people

RA CAPITAL MANAGEMENT, L.P.Director and 10% owner · Director and 10% owner at Climb Bio, filing Form 4 there in the last year
Breanna Maurine CelebiDirector · Director at Climb Bio, filing Form 4 there in the last year
Aoife BrennanPresident and CEO · President and CEO at Climb Bio, filing Form 4 there in the last year
Douglas E. WilliamsDirector · Director at Climb Bio, filing Form 4 there in the last year
Kimberlee C. DrapkinDirector · Director at Climb Bio, filing Form 4 there in the last year