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Who

Gustav Christensen

Director

Company insider

Files Form 4 as: Director, Generation Bio Co; Director, Morphic Holding; CEO and President, Dyax.

Every Form 4 they filed

In numbers

Trades disclosed
139
Buys
11
Sells
6
Bought
$133K
Sold
$6.7M
Companies
3
Companies where not an officer
2
First trade
26 Apr 2007
Last trade
9 Feb 2026
Last filed
9 Feb 2026

Companies traded

Where they are an officer
DyaxDirector, Officer · last 22 Jan 201611 buys · 6 sells
Everywhere else they filed: board seats, 10% stakes, other companies
Generation Bio CoDirector · Biotechnology · last 9 Feb 20260 buys · 0 sells
Morphic HoldingDirector · last 16 Aug 20240 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 Feb 2026filed 9 Feb 2026Generation Bio CoBiotechnologySEC FORM 4 Code U—13,142filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—3,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—5,200filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—3,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—5,200filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—1,500filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—1,920filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—2,500filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivativeSEC FORM 4 Code D—6,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—1,500filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—1,920filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—2,500filing
9 Feb 2026filed 9 Feb 2026Generation Bio Cooption or derivative · BiotechnologySEC FORM 4 Code D—6,000filing
9 Feb 2026filed 9 Feb 2026Generation Bio CoSEC FORM 4 Code U—13,142filing
4 Jun 2025filed 6 Jun 2025Generation Bio Cooption or derivativeSEC FORM 4 Code A—30,000 at $0.00filing
16 Aug 2024filed 20 Aug 2024Morphic Holdingoption or derivativeSEC FORM 4 Code D—24,000filing
16 Aug 2024filed 20 Aug 2024Morphic Holdingoption or derivativeSEC FORM 4 Code D—12,000filing
16 Aug 2024filed 20 Aug 2024Morphic Holdingoption or derivativeSEC FORM 4 Code D—9,150filing
16 Aug 2024filed 20 Aug 2024Morphic Holdingoption or derivativeSEC FORM 4 Code D—17,550filing
16 Aug 2024filed 20 Aug 2024Morphic Holdingoption or derivativeSEC FORM 4 Code D—12,535filing

News

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

Sectors

Not placed17

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

Related people

Nobody else traded the same names lately.