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Who

Liam Ratcliffe

Director

Company insider

Files Form 4 as: Director, OnKure Therapeutics; Director, Disc Medicine; Director, Upstream Bio; Director, Climb Bio; Director, Arvinas; Director, Passage Bio; Director, Cogent Biosciences; Director and 10% owner, Aptinyx.

In numbers

Trades disclosed
141
Buys
9
Sells
18
Bought
$68.4M
Sold
$71.6M
Companies
13
Companies where not an officer
13
First trade
24 Oct 2012
Last trade
7 Aug 2026
Last filed
11 Aug 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
OKUR OnKure TherapeuticsDirector · Biotechnology · last 7 Aug 20260 buys · 0 sells
IRON Disc MedicineDirector · Biotechnology · last 18 Jun 20260 buys · 0 sells
UPB Upstream BioDirector · Biotechnology · last 9 Jun 20260 buys · 0 sells
CLYM Climb BioDirector · Biotechnology · last 26 Jun 20240 buys · 0 sells
ARVN ArvinasDirector · Biotechnology · last 16 Jun 20223 buys · 10 sells
PASG Passage BioDirector · Biotechnology · last 27 May 20212 buys · 0 sells
COGT Cogent BiosciencesDirector · Biotechnology · last 14 Jun 20191 buy · 0 sells
AptinyxDirector, 10% owner · last 29 Mar 20191 buy · 0 sells
PDSB PDS BiotechnologyDirector · Biotechnology · last 15 Mar 20190 buys · 0 sells
Deciphera PharmaceuticalsDirector, 10% owner · last 17 May 20181 buy · 0 sells
IRTC iRhythm Holdings10% owner · Medical Devices · last 25 Oct 20161 buy · 0 sells
Chimerix10% owner · last 18 Mar 20140 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
7 Aug 2026filed 11 Aug 2026OKUR OnKure Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—22,350 at $0.00filing
7 Aug 2026filed 11 Aug 2026OKUR OnKure Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—22,350 at $0.00filing
18 Jun 2026filed 23 Jun 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—6,212 at $0.00filing
18 Jun 2026filed 23 Jun 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—6,212 at $0.00filing
9 Jun 2026filed 11 Jun 2026UPB Upstream Biooption or derivative · BiotechnologySEC FORM 4 Code A—17,096 at $0.00filing
9 Jun 2026filed 11 Jun 2026UPB Upstream Biooption or derivative · BiotechnologySEC FORM 4 Code A—17,096 at $0.00filing
4 Jun 2026filed 8 Jun 2026OKUR OnKure Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,275 at $0.00filing
4 Jun 2026filed 8 Jun 2026OKUR OnKure Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,275 at $0.00filing
31 Mar 2026filed 1 Apr 2026OKUR OnKure Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—15,300 at $0.00filing
31 Mar 2026filed 1 Apr 2026OKUR OnKure Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—15,300 at $0.00filing
11 Jun 2025filed 13 Jun 2025IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
10 Jun 2025filed 12 Jun 2025UPB Upstream Biooption or derivative · BiotechnologySEC FORM 4 Code A—17,096 at $0.00filing
10 Oct 2024filed 15 Oct 2024UPB Upstream Biooption or derivative · BiotechnologySEC FORM 4 Code A—17,096 at $0.00filing
26 Jun 2024filed 28 Jun 2024CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
12 Jun 2024filed 14 Jun 2024IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
9 Jun 2023filed 9 Jun 2023IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—7,136 at $0.00filing
18 May 2023filed 22 May 2023CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
29 Dec 2022filed 3 Jan 2023IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—7,000 at $0.00filing
16 Jun 2022filed 21 Jun 2022ARVN Arvinasoption or derivative · BiotechnologySEC FORM 4 Code A—10,192 at $0.00filing
19 May 2022filed 1 Jun 2022CLYM Climb Biooption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing

News

Cogent Biosciences (COGT) Nears Three FDA Decisions. What Is Its Pipeline Worth?COGT · insidermonkey.com · 20 Oct 2026Financial Comparison: Arvinas (NASDAQ:ARVN) & Geron (NASDAQ:GERN)ARVN · tickerreport.com · 20 Oct 2026

0 headlines in the last 90 days name Liam Ratcliffe; 2 articles from the last 14 days about the 4 companies they traded most, at most three about any one of them.

Sectors

Health Care17
Not placed10

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

Related people

Jason A. LeveroneChief Financial Officer · Chief Financial Officer at OnKure Therapeutics, filing Form 4 there in the last year
Nicholas A. SaccomanoPresident and CEO · President and CEO at OnKure Therapeutics, filing Form 4 there in the last year
Aaron DeykinChief Medical Officer · Chief Medical Officer at Upstream Bio, filing Form 4 there in the last year
Adam HoughtonChief Business Officer · Chief Business Officer at Upstream Bio, filing Form 4 there in the last year
Michael GrayCFO and COO · CFO and COO at Upstream Bio, filing Form 4 there in the last year
Daniel G. WilsonChief Financial Officer · Also traded IRTC in the last 90 days
Arlene MorrisDirector · Also traded COGT in the last 90 days
Chad PattersonChief Comm & Product Officer · Also traded IRTC in the last 90 days