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Who

Glenn Pierce

Director

Company insider

Files Form 4 as: Interim CSO, Voyager Therapeutics; Director, Global Blood Therapeutics.

In numbers

Trades disclosed
47
Buys
1
Sells
1
Bought
$92K
Sold
$64K
Companies
2
Companies where not an officer
1
First trade
8 Feb 2016
Last trade
9 Jun 2026
Last filed
11 Jun 2026

Companies traded

Where they are an officer
VYGR Voyager TherapeuticsDirector, Officer · Biotechnology · last 9 Jun 20261 buy · 1 sell
Everywhere else they filed: board seats, 10% stakes, other companies
Global Blood TherapeuticsDirector · last 5 Oct 20220 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
9 Jun 2026filed 11 Jun 2026VYGR Voyager Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—30,000 at $0.00filing
9 Jun 2026filed 11 Jun 2026VYGR Voyager Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—30,000 at $0.00filing
3 Jun 2025filed 4 Jun 2025VYGR Voyager Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—24,000 at $0.00filing
5 Jun 2024filed 7 Jun 2024VYGR Voyager Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—24,000 at $0.00filing
6 Jun 2023filed 7 Jun 2023VYGR Voyager Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—22,000 at $0.00filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—3,600filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—15,000filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—15,000filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—15,000filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—15,000filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—7,500filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—5,247filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—5,600filing
5 Oct 2022filed 6 Oct 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code D—5,600filing
5 Oct 2022filed 6 Oct 2022Global Blood TherapeuticsSEC FORM 4 Code D—26,437filing
14 Jul 2022filed 18 Jul 2022VYGR Voyager TherapeuticsBiotechnologySEC FORM 4 Sold$64K9,512 at $6.70filing
14 Jun 2022filed 16 Jun 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code M—3,600 at $0.00filing
14 Jun 2022filed 16 Jun 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code A—5,600 at $0.00filing
14 Jun 2022filed 16 Jun 2022Global Blood Therapeuticsoption or derivativeSEC FORM 4 Code A—3,600 at $0.00filing
14 Jun 2022filed 16 Jun 2022Global Blood TherapeuticsSEC FORM 4 Code M—3,600filing

News

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

Sectors

Health Care2

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

Related people

George A. ScangosDirector · Director at Voyager Therapeutics, filing Form 4 there in the last year
James A. GeraghtyDirector · Director at Voyager Therapeutics, filing Form 4 there in the last year
Michael J. HigginsDirector · Director at Voyager Therapeutics, filing Form 4 there in the last year
Catherine J. MackeyDirector · Director at Voyager Therapeutics, filing Form 4 there in the last year
Steven HymanDirector · Director at Voyager Therapeutics, filing Form 4 there in the last year