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Who

Sarah Boyce

Director

Company insider

Files Form 4 as: Director, Atrium Therapeutics; Director, Contineum Therapeutics; President and CEO, Avidity Biosciences; Director, OmniAb; Director and Other, Ligand Pharmaceuticals; Director, Berkeley Lights; President, Akcea Therapeutics; Chief Business Officer, Ionis Pharmaceuticals.

In numbers

Trades disclosed
173
Buys
2
Sells
32
Bought
$101K
Sold
$35.6M
Companies
8
Companies where not an officer
5
First trade
1 Jan 2015
Last trade
18 Sep 2026
Last filed
22 Sep 2026

Companies traded

Where they are an officer
Avidity BiosciencesDirector, Officer · Biotechnology · last 27 Feb 20260 buys · 27 sells
Akcea TherapeuticsDirector, Officer · last 15 Jul 20190 buys · 1 sell
IONS Ionis PharmaceuticalsOfficer · Biotechnology · last 16 Jan 20180 buys · 3 sells
Everywhere else they filed: board seats, 10% stakes, other companies
RNA Atrium TherapeuticsDirector · Biotechnology · last 18 Sep 20260 buys · 0 sells
CTNM Contineum TherapeuticsDirector · Biotechnology · last 26 Jun 20260 buys · 0 sells
OABI OmniAbDirector · Life-science tools · last 18 Jun 20242 buys · 0 sells
LGND Ligand PharmaceuticalsDirector, Other · Biotechnology · last 1 Nov 20220 buys · 0 sells
Berkeley LightsDirector · last 14 May 20210 buys · 1 sell

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
18 Sep 2026filed 22 Sep 2026RNA Atrium TherapeuticsBiotechnologySEC FORM 4 Code F$1.1M126,418 at $8.95filing
18 Sep 2026filed 22 Sep 2026RNA Atrium TherapeuticsBiotechnologySEC FORM 4 Code F$1.1M126,418 at $8.95filing
26 Jun 2026filed 26 Jun 2026CTNM Contineum Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—19,000 at $0.00filing
26 Jun 2026filed 26 Jun 2026CTNM Contineum Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—19,000 at $0.00filing
27 Feb 2026filed 2 Mar 2026RNA Atrium Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
27 Feb 2026filed 2 Mar 2026RNA Atrium Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
27 Feb 2026filed 27 Feb 2026Avidity BiosciencesBiotechnologySEC FORM 4 Code D—474,861filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—386,015filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—300,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivativeSEC FORM 4 Code D—386,015filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivativeSEC FORM 4 Code D—300,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivativeSEC FORM 4 Code D—425,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivativeSEC FORM 4 Code D—400,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivativeSEC FORM 4 Code D—200,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivativeSEC FORM 4 Code D—300,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivativeSEC FORM 4 Code D—165,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—425,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—400,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—200,000filing
27 Feb 2026filed 27 Feb 2026Avidity Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—300,000filing

Sectors

Health Care7
Not placed29

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

Related people

Shannon L. DeversEVP, Chief Human Resources Ofc · EVP, Chief Human Resources Ofc at Ionis Pharmaceuticals, filing Form 4 there in the last year
Eric SwayzeEVP Research · EVP Research at Ionis Pharmaceuticals, filing Form 4 there in the last year
Brett P. MoniaChief Executive Officer · Chief Executive Officer at Ionis Pharmaceuticals, filing Form 4 there in the last year
Patrick R. O'NeilEVP CLO & General Counsel · EVP CLO & General Counsel at Ionis Pharmaceuticals, filing Form 4 there in the last year
Brian BirchlerEVP, Corp and Development Ops · EVP, Corp and Development Ops at Ionis Pharmaceuticals, filing Form 4 there in the last year
Michael R. HaydenDirector · Also traded IONS in the last 90 days