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Who

Jakob Dupont

Director

Company insider

Files Form 4 as: Director, Pyxis Oncology; Director, Bolt Biotherapeutics; Director, Apexigen; EVP, Head of R&D, Atara Biotherapeutics; Chief Medical Officer, Gossamer Bio; SVP & Chief Medical Officer, OncoMed Pharmaceuticals.

In numbers

Trades disclosed
123
Buys
0
Sells
31
Bought
$0
Sold
$2.3M
Companies
6
Companies where not an officer
3
First trade
17 Jul 2013
Last trade
20 Aug 2026
Last filed
20 Aug 2026

Companies traded

Where they are an officer
ATRA Atara BiotherapeuticsOfficer · Biotechnology · last 2 Mar 20230 buys · 12 sells
GOSS Gossamer BioOfficer · Biotechnology · last 14 Feb 20200 buys · 2 sells
OncoMed PharmaceuticalsOfficer · last 9 Oct 20160 buys · 16 sells
Everywhere else they filed: board seats, 10% stakes, other companies
PYXS Pyxis OncologyDirector · Biotechnology · last 20 Aug 20260 buys · 1 sell
BOLT Bolt BiotherapeuticsDirector · Biotechnology · last 10 Jun 20260 buys · 0 sells
ApexigenDirector · last 23 Aug 20230 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
20 Aug 2026filed 20 Aug 2026PYXS Pyxis Oncologyoption or derivative · BiotechnologySEC FORM 4 Code A—46,000 at $0.00filing
20 Aug 2026filed 20 Aug 2026PYXS Pyxis Oncologyoption or derivative · BiotechnologySEC FORM 4 Code A—46,000 at $0.00filing
30 Jun 2026filed 2 Jul 2026PYXS Pyxis OncologyBiotechnologySEC FORM 4 Code M$56K35,000 at $1.60filing
30 Jun 2026filed 2 Jul 2026PYXS Pyxis OncologyBiotechnologySEC FORM 4 Sold$107K35,000 at $3.06filing
30 Jun 2026filed 2 Jul 2026PYXS Pyxis Oncologyoption or derivative · BiotechnologySEC FORM 4 Code M—35,000 at $0.00filing
30 Jun 2026filed 2 Jul 2026PYXS Pyxis Oncologyoption or derivative · BiotechnologySEC FORM 4 Code M—35,000 at $0.00filing
30 Jun 2026filed 2 Jul 2026PYXS Pyxis OncologyBiotechnologySEC FORM 4 Code M$56K35,000 at $1.60filing
30 Jun 2026filed 2 Jul 2026PYXS Pyxis OncologyBiotechnologySEC FORM 4 Sold$107K35,000 at $3.06filing
10 Jun 2026filed 11 Jun 2026BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
10 Jun 2026filed 11 Jun 2026BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
24 Mar 2026filed 25 Mar 2026PYXS Pyxis Oncologyoption or derivative · BiotechnologySEC FORM 4 Code A—45,867 at $0.00filing
24 Mar 2026filed 25 Mar 2026PYXS Pyxis Oncologyoption or derivative · BiotechnologySEC FORM 4 Code A—45,867 at $0.00filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—2,500filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—2,500filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—849filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—849filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,000filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—1,000filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,100filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—1,100filing

News

Sectors

Health Care15
Not placed16

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

Related people

Gregory Austin CiongoliDirector · Director at Gossamer Bio, filing Form 4 there in the last year
John D. QuiselDirector · Director at Gossamer Bio, filing Form 4 there in the last year
Steven D. NathanDirector · Director at Gossamer Bio, filing Form 4 there in the last year
Skye DrynanDirector · Director at Gossamer Bio, filing Form 4 there in the last year
Russell J. CoxDirector · Director at Gossamer Bio, filing Form 4 there in the last year
GordonMD Global Investments LP10% owner · Also traded PYXS in the last 90 days
Brian N. CherryDirector · Also traded ATRA in the last 90 days
AnhCo NguyenPresident and CEO · Also traded ATRA in the last 90 days