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Who

John F. McDonald

Director

Company insider

Files Form 4 as: Director, Geron.

In numbers

Trades disclosed
6
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
1
Companies where not an officer
1
First trade
7 Sep 2022
Last trade
20 May 2026
Last filed
26 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
GERN GeronDirector · Biotechnology · last 20 May 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

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
21 May 2025filed 22 May 2025GERN Geronoption or derivative · BiotechnologySEC FORM 4 Code A—180,000 at $0.00filing
9 May 2024filed 10 May 2024GERN Geronoption or derivative · BiotechnologySEC FORM 4 Code A—180,000 at $0.00filing
31 May 2023filed 2 Jun 2023GERN Geronoption or derivative · BiotechnologySEC FORM 4 Code A—125,000 at $0.00filing
7 Sep 2022filed 8 Sep 2022GERN Geronoption or derivative · BiotechnologySEC FORM 4 Code A—200,000 at $0.00filing

News

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

Sectors

No trade we could place in a 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
Dawn Carter BirDirector · 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