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Who

Elizabeth L. Hougen

Director

Company insider

Files Form 4 as: Director, Artiva Biotherapeutics; EVP, Finance & CFO, Ionis Pharmaceuticals.

In numbers

Trades disclosed
276
Buys
0
Sells
40
Bought
$0
Sold
$49.4M
Companies
2
Companies where not an officer
1
First trade
2 Jan 2013
Last trade
10 Sep 2026
Last filed
14 Sep 2026

Companies traded

Where they are an officer
IONS Ionis PharmaceuticalsOfficer · Biotechnology · last 17 Mar 20260 buys · 40 sells
Everywhere else they filed: board seats, 10% stakes, other companies
ARTV Artiva BiotherapeuticsDirector · Biotechnology · last 10 Sep 20260 buys · 0 sells

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
10 Sep 2026filed 14 Sep 2026ARTV Artiva Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—16,250 at $0.00filing
10 Sep 2026filed 14 Sep 2026ARTV Artiva Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—16,250 at $0.00filing
8 Sep 2026filed 8 Sep 2026ARTV Artiva Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—13,750 at $0.00filing
8 Sep 2026filed 8 Sep 2026ARTV Artiva Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—13,750 at $0.00filing
17 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Sold$745K10,172 at $73.21filing
17 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Sold$745K10,172 at $73.21filing
16 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Code M$3.7M60,299 at $60.89filing
16 Mar 2026filed 18 Mar 2026IONS Ionis Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—61,041 at $0.00filing
16 Mar 2026filed 18 Mar 2026IONS Ionis Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—60,299 at $0.00filing
16 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Code M$3.5M61,041 at $56.78filing
16 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Code M$1.1M33,118 at $32.60filing
16 Mar 2026filed 18 Mar 2026IONS Ionis Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—33,118 at $0.00filing
16 Mar 2026filed 18 Mar 2026IONS Ionis Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—20,541 at $0.00filing
16 Mar 2026filed 18 Mar 2026IONS Ionis Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—61,041 at $0.00filing
16 Mar 2026filed 18 Mar 2026IONS Ionis Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—60,299 at $0.00filing
16 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Code M$772K20,541 at $37.58filing
16 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Sold$14.9M205,608 at $72.38filing
16 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Sold$687K9,440 at $72.77filing
16 Mar 2026filed 18 Mar 2026IONS Ionis Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—33,118 at $0.00filing
16 Mar 2026filed 18 Mar 2026IONS Ionis PharmaceuticalsBiotechnologySEC FORM 4 Code M$3.7M60,299 at $60.89filing

Sectors

Health Care40

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

Related people

Eric SwayzeEVP Research · EVP Research at Ionis Pharmaceuticals, filing Form 4 there in the last year
Shannon L. DeversEVP, Chief Human Resources Ofc · EVP, Chief Human Resources Ofc 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
Patrick R. O'NeilEVP CLO & General Counsel · EVP CLO & General Counsel at Ionis Pharmaceuticals, filing Form 4 there in the last year
C. Frank BennettEVP, Chief Scientific Officer · EVP, Chief Scientific Officer at Ionis Pharmaceuticals, filing Form 4 there in the last year
Michael R. HaydenDirector · Also traded IONS in the last 90 days