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Who

Karen A. Dawes

Director

Company insider

Files Form 4 as: Director, Barinthus Biotherapeutics; Director, Repligen; Director, Assertio Therapeutics; Chairperson of the Board, Pdl Biopharma.

In numbers

Trades disclosed
235
Buys
9
Sells
28
Bought
$129K
Sold
$19.0M
Companies
4
Companies where not an officer
3
First trade
14 Jun 2006
Last trade
9 Sep 2026
Last filed
9 Sep 2026

Companies traded

Where they are an officer
Pdl BiopharmaDirector, Officer · last 29 Apr 20080 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
Barinthus BiotherapeuticsDirector · Biotechnology · last 9 Sep 20261 buy · 0 sells
RGEN RepligenDirector · Biotechnology · last 14 May 20265 buys · 25 sells
Assertio TherapeuticsDirector · last 8 May 20203 buys · 3 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
9 Sep 2026filed 9 Sep 2026Barinthus BiotherapeuticsBiotechnologySEC FORM 4 Code D—1,700filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—34,328 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—18,604 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—34,328 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—18,604 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—19,197 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—19,516 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—20,174 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—19,197 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—19,516 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—20,174 at $0.00filing
9 Sep 2026filed 9 Sep 2026Barinthus BiotherapeuticsBiotechnologySEC FORM 4 Code D—1,700filing
14 May 2026filed 18 May 2026RGEN RepligenBiotechnologySEC FORM 4 Code A—995 at $0.00filing
14 May 2026filed 18 May 2026RGEN Repligenoption or derivative · BiotechnologySEC FORM 4 Code A—2,239 at $0.00filing
14 May 2026filed 18 May 2026RGEN Repligenoption or derivative · BiotechnologySEC FORM 4 Code A—2,239 at $0.00filing
14 May 2026filed 18 May 2026RGEN RepligenBiotechnologySEC FORM 4 Code A—995 at $0.00filing
17 Dec 2025filed 18 Dec 2025RGEN RepligenBiotechnologySEC FORM 4 Sold$44K275 at $161.00filing
10 Jun 2025filed 11 Jun 2025Barinthus Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—20,174 at $0.00filing
15 May 2025filed 19 May 2025RGEN Repligenoption or derivative · BiotechnologySEC FORM 4 Code A—1,800 at $0.00filing
15 May 2025filed 19 May 2025RGEN RepligenBiotechnologySEC FORM 4 Code A—973 at $0.00filing

News

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

Sectors

Health Care31
Not placed6

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

Related people

Olivier LoeillotChief Executive Officer · Also traded RGEN in the last 90 days