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Who

Stephen A. Sherwin

Director

Company insider

Files Form 4 as: Director, Neurocrine Biosciences; Director, Biogen; Director, Neon Therapeutics; Director, Aduro Biotech; Director, Rigel Pharmaceuticals; Director, Verastem; Director, Vical; Director, ANI Pharmaceuticals.

In numbers

Trades disclosed
217
Buys
2
Sells
16
Bought
$21K
Sold
$32.8M
Companies
9
Companies where not an officer
8
First trade
7 Feb 2006
Last trade
2 Sep 2026
Last filed
3 Sep 2026

Companies traded

Where they are an officer
Cell GenesysDirector, Officer · last 14 Oct 20090 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
NBIX Neurocrine BiosciencesDirector · Pharmaceuticals · last 2 Sep 20260 buys · 7 sells
BIIB BiogenDirector · Biotechnology · last 9 Jun 20260 buys · 9 sells
Neon TherapeuticsDirector · last 6 May 20200 buys · 0 sells
Aduro BiotechDirector · last 5 May 20200 buys · 0 sells
RIGL Rigel PharmaceuticalsDirector · Pharmaceuticals · last 11 May 20160 buys · 0 sells
VSTM VerastemDirector · Biotechnology · last 12 Jun 20151 buy · 0 sells
VicalDirector · last 21 May 20151 buy · 0 sells
ANIP ANI PharmaceuticalsDirector · Pharmaceuticals · last 30 Mar 20120 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
2 Sep 2026filed 3 Sep 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Code G—1,000 at $0.00filing
2 Sep 2026filed 3 Sep 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Code G—1,000 at $0.00filing
9 Jun 2026filed 11 Jun 2026BIIB BiogenBiotechnologySEC FORM 4 Code A—1,505 at $0.00filing
9 Jun 2026filed 11 Jun 2026BIIB BiogenBiotechnologySEC FORM 4 Code A—1,505 at $0.00filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Code M$805K15,000 at $53.64filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Code M$798K10,000 at $79.79filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Sold$1.3M7,883 at $163.81filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine Biosciencesoption or derivative · PharmaceuticalsSEC FORM 4 Code M—15,000 at $0.00filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine Biosciencesoption or derivative · PharmaceuticalsSEC FORM 4 Code M—10,000 at $0.00filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Sold$419K2,549 at $164.44filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Sold$1.1M6,896 at $165.79filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Sold$971K5,829 at $166.56filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Sold$308K1,843 at $167.31filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine Biosciencesoption or derivative · PharmaceuticalsSEC FORM 4 Code M—15,000 at $0.00filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine Biosciencesoption or derivative · PharmaceuticalsSEC FORM 4 Code M—10,000 at $0.00filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Code M$805K15,000 at $53.64filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Code M$798K10,000 at $79.79filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Sold$1.3M7,883 at $163.81filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Sold$419K2,549 at $164.44filing
5 Jun 2026filed 9 Jun 2026NBIX Neurocrine BiosciencesPharmaceuticalsSEC FORM 4 Sold$1.1M6,896 at $165.79filing

News

Contrasting Neurocrine Biosciences (NASDAQ:NBIX) and Perrigo (NYSE:PRGO)NBIX · dailypolitical.com · 10 Oct 2026

0 headlines in the last 90 days name Stephen A. Sherwin; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care17
Not placed1

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

Related people

Dan PatersonPresident and CEO · Also traded VSTM in the last 90 days
Daniel CalkinsChief Financial Officer · Also traded VSTM in the last 90 days
Maria Elvira SalazarRepresentative, FL-27 · Also traded BIIB in the last 90 days
David W. BoyerChief Corp. Affairs Officer · Also traded NBIX in the last 90 days
Matt AbernethyChief Financial Officer · Also traded NBIX in the last 90 days
Eric BenevichChief Commercial Officer · Also traded NBIX in the last 90 days
Kevin HernRepresentative, OK-01 · Also traded BIIB in the last 90 days
Lloyd MinorDirector · Also traded BIIB in the last 90 days