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Who

Kenneth Bate

Director

Company insider

Files Form 4 as: Director, Astria Therapeutics; Director, Madrigal Pharmaceuticals; Director, Aveo Pharmaceuticals; Director, Epizyme; Director, Genocea Biosciences; Director, Vanda Pharmaceuticals; Director, BioMarin Pharmaceutical; Director, Cubist Pharmaceuticals.

In numbers

Trades disclosed
226
Buys
0
Sells
11
Bought
$0
Sold
$29.5M
Companies
10
Companies where not an officer
9
First trade
20 Mar 2006
Last trade
23 Jan 2026
Last filed
23 Jan 2026

Companies traded

Where they are an officer
NitromedDirector, Officer · last 24 Apr 20090 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
Astria TherapeuticsDirector · Biotechnology · last 23 Jan 20260 buys · 0 sells
MDGL Madrigal PharmaceuticalsDirector · Pharmaceuticals · last 5 Nov 20250 buys · 5 sells
Aveo PharmaceuticalsDirector · last 19 Jan 20230 buys · 0 sells
EpizymeDirector · last 12 Aug 20220 buys · 0 sells
Genocea BiosciencesDirector · last 1 Jul 20210 buys · 0 sells
VNDA Vanda PharmaceuticalsDirector · Pharmaceuticals · last 15 Jun 20170 buys · 0 sells
BMRN BioMarin PharmaceuticalDirector · Biotechnology · last 10 Jun 20150 buys · 0 sells
Cubist PharmaceuticalsDirector · last 21 Jan 20150 buys · 6 sells
Coley Pharmaceutical GroupDirector · last 4 Jan 20080 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
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—16,666filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—8,333filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—14,100filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivativeSEC FORM 4 Code D—16,666filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivativeSEC FORM 4 Code D—8,333filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivativeSEC FORM 4 Code D—14,100filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivativeSEC FORM 4 Code D—14,100filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivativeSEC FORM 4 Code D—26,550filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—14,100filing
23 Jan 2026filed 23 Jan 2026Astria Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—26,550filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal Pharmaceuticalsoption or derivative · PharmaceuticalsSEC FORM 4 Code M—5,470 at $0.00filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal Pharmaceuticalsoption or derivative · PharmaceuticalsSEC FORM 4 Code M—10,000 at $0.00filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal Pharmaceuticalsoption or derivative · PharmaceuticalsSEC FORM 4 Code M—1,105 at $0.00filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal PharmaceuticalsPharmaceuticalsSEC FORM 4 Code M$52K5,470 at $9.45filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal PharmaceuticalsPharmaceuticalsSEC FORM 4 Code M$3.0M10,000 at $303.79filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal PharmaceuticalsPharmaceuticalsSEC FORM 4 Code M$309K1,105 at $280.04filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal PharmaceuticalsPharmaceuticalsSEC FORM 4 Sold$847K1,763 at $480.24filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal PharmaceuticalsPharmaceuticalsSEC FORM 4 Sold$1.6M3,259 at $481.13filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal PharmaceuticalsPharmaceuticalsSEC FORM 4 Sold$619K1,284 at $482.41filing
5 Nov 2025filed 7 Nov 2025MDGL Madrigal PharmaceuticalsPharmaceuticalsSEC FORM 4 Sold$1.0M2,069 at $483.41filing

News

Sectors

Health Care5
Not placed6

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

Related people

William John SiboldPresident and CEO · Also traded MDGL in the last 90 days
Shannon T. KelleyGeneral Counsel · Also traded MDGL in the last 90 days