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Who

Elizabeth Stoner

Director

Company insider

Files Form 4 as: Director, iBio; Director, Momenta Pharmaceuticals; Director, Radius Health; Director, Metabasis Therapeutics.

In numbers

Trades disclosed
91
Buys
0
Sells
21
Bought
$0
Sold
$1.4M
Companies
4
Companies where not an officer
4
First trade
14 Dec 2007
Last trade
14 Oct 2026
Last filed
15 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
IBIO iBioDirector · Biotechnology · last 14 Oct 20260 buys · 0 sells
Momenta PharmaceuticalsDirector · last 1 Oct 20200 buys · 21 sells
Radius HealthDirector · last 17 Dec 20140 buys · 0 sells
Metabasis TherapeuticsDirector · last 23 Jun 20090 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. 1 lines have no legible date and are left out.

Every trade

TradedCompanyWhatAmount
14 Oct 2026filed 15 Oct 2026IBIO iBiooption or derivative · BiotechnologySEC FORM 4 Code A—38,000 at $0.00filing
18 May 2026filed 19 May 2026IBIO iBiooption or derivative · BiotechnologySEC FORM 4 Code A—60,000 at $0.00filing
18 May 2026filed 19 May 2026IBIO iBiooption or derivative · BiotechnologySEC FORM 4 Code A—60,000 at $0.00filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—17,750filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—17,750filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—17,750filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—17,750filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—11,000filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—11,207filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—8,855filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—25,000filing
1 Oct 2020filed 1 Oct 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—25,000filing
1 Oct 2020filed 1 Oct 2020Momenta PharmaceuticalsSEC FORM 4 Code D—35,509filing
23 Jun 2020filed 24 Jun 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—25,000 at $0.00filing
14 Jan 2020filed 16 Jan 2020Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code M—5,750 at $0.00filing
14 Jan 2020filed 16 Jan 2020Momenta PharmaceuticalsSEC FORM 4 Code M$76K5,750 at $13.16filing
14 Jan 2020filed 16 Jan 2020Momenta PharmaceuticalsSEC FORM 4 Sold$106K4,236 at $25.00filing
20 Jun 2019filed 21 Jun 2019Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code M—4,356 at $0.00filing
20 Jun 2019filed 21 Jun 2019Momenta PharmaceuticalsSEC FORM 4 Code M—4,356 at $0.00filing
19 Jun 2019filed 21 Jun 2019Momenta Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—25,000 at $0.00filing

News

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

Sectors

Not placed21

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

Related people

David ArkowitzDirector · Director at iBio, filing Form 4 there in the last year
William D. ClarkDirector · Director at iBio, filing Form 4 there in the last year
Gary SenderDirector · Director at iBio, filing Form 4 there in the last year
Alexandra KropotovaDirector · Director at iBio, filing Form 4 there in the last year
Antonio Bernardino Guimaraes ParadaDirector · Director at iBio, filing Form 4 there in the last year