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Who

Dawn Carter Bir

Director

Company insider

Files Form 4 as: Interim President and CEO, Geron; Director, Soleno Therapeutics; Director, Filana Therapeutics; Chief Commercial Officer, Reata Pharmaceuticals.

In numbers

Trades disclosed
66
Buys
0
Sells
10
Bought
$0
Sold
$26.1M
Companies
4
Companies where not an officer
2
First trade
7 Dec 2016
Last trade
20 May 2026
Last filed
26 May 2026

Companies traded

Where they are an officer
GERN GeronDirector, Officer · Biotechnology · last 20 May 20260 buys · 0 sells
Reata PharmaceuticalsOfficer · last 26 Sep 20230 buys · 10 sells
Everywhere else they filed: board seats, 10% stakes, other companies
Soleno TherapeuticsDirector · Biotechnology · last 18 May 20260 buys · 0 sells
FLNA Filana TherapeuticsDirector · Biotechnology · last 21 Oct 20250 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
20 May 2026filed 26 May 2026GERN Geronoption or derivative · BiotechnologySEC FORM 4 Code A—220,000 at $0.00filing
20 May 2026filed 26 May 2026GERN Geronoption or derivative · BiotechnologySEC FORM 4 Code A—220,000 at $0.00filing
18 May 2026filed 18 May 2026Soleno TherapeuticsBiotechnologySEC FORM 4 Code D—16,991filing
18 May 2026filed 18 May 2026Soleno TherapeuticsSEC FORM 4 Code D—16,991filing
21 Oct 2025filed 22 Oct 2025FLNA Filana Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—53,000 at $0.00filing
5 Jun 2025filed 9 Jun 2025Soleno TherapeuticsSEC FORM 4 Code A—3,991 at $0.00filing
21 May 2025filed 22 May 2025GERN Geronoption or derivative · BiotechnologySEC FORM 4 Code A—180,000 at $0.00filing
15 Aug 2024filed 16 Aug 2024Soleno TherapeuticsSEC FORM 4 Code A—13,000 at $0.00filing
9 May 2024filed 10 May 2024GERN Geronoption or derivative · BiotechnologySEC FORM 4 Code A—180,000 at $0.00filing
26 Sep 2023filed 26 Sep 2023Reata Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—16,500filing
26 Sep 2023filed 26 Sep 2023Reata Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—70,000filing
26 Sep 2023filed 26 Sep 2023Reata Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—63,650filing
26 Sep 2023filed 26 Sep 2023Reata Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—71,300filing
26 Sep 2023filed 26 Sep 2023Reata Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—34,500filing
26 Sep 2023filed 26 Sep 2023Reata Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—17,250filing
26 Sep 2023filed 26 Sep 2023Reata Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—17,250filing
26 Sep 2023filed 26 Sep 2023Reata Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—24,000filing
26 Sep 2023filed 26 Sep 2023Reata PharmaceuticalsSEC FORM 4 Code D—33,805filing
16 Aug 2023filed 17 Aug 2023Reata PharmaceuticalsSEC FORM 4 Sold$67K398 at $168.33filing
15 Aug 2023filed 17 Aug 2023Reata PharmaceuticalsSEC FORM 4 Sold$136K807 at $169.04filing

News

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

Sectors

Not placed10

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

Related people

Robert J. SpiegelDirector · Director at Geron, filing Form 4 there in the last year
Susan MolineauxDirector · Director at Geron, filing Form 4 there in the last year
John F. McDonaldDirector · Director at Geron, filing Form 4 there in the last year
Elizabeth G. O'FarrellDirector · Director at Geron, filing Form 4 there in the last year
Timothy WilliamsEVP and Chief Legal Officer · EVP and Chief Legal Officer at Geron, filing Form 4 there in the last year