InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
2
T+90 hit rate
42%
T+90 mean return
-5.4%
Across 12 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by SHERWIN STEPHEN A, Director. Insider active across 2 companies, notably BIOGEN INC.. In total, 20 reports have been published. Breakdown: 0 buy · 2 sells. Total volume traded: €2.8m. Activity tracked since 1 July 2021. The latest transaction was filed on 22 May 2025 (Levée d'options). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations20 total
1,505 sharesCommon StockSEC:0000875045-26-000064:0
2,869 shares0Common StockSEC:0000914475-25-000130:0
8,760 shares@ US$150.0162100.0% of flowCommon StockSEC:0001127602-25-008861:0
13,831 shares@ US$116.688853.6% of flowCommon StockSEC:0000914475-25-000071:0
2,000 shares0Common StockSEC:0000914475-24-000218:0
1,340 shares0Common StockSEC:0001127602-24-019240:0
25,000 shares@ US$42.7634.2% of flowCommon StockSEC:0000914475-24-000160:0
4,199 shares0Common StockSEC:0000914475-24-000127:0
2,750 shares0Common StockSEC:0001209191-23-056033:0
960 shares0Common StockSEC:0001127602-23-019548:0
15,000 shares@ US$12.716.2% of flowCommon StockSEC:0001209191-23-002054:0
1,370 shares0Common StockSEC:0001127602-22-017811:0
15,000 shares@ US$6.660.0006% mcap50.0% of flowCommon StockSEC:0001209191-22-005109:0
15,000 shares@ US$6.663.0% of flowCommon StockSEC:0001209191-22-005109
2,000 shares0Common StockSEC:0001209191-21-070071
2,000 shares0Common StockSEC:0001209191-21-070071:0
775 shares0Common StockSEC:0001127602-21-021349:0
775 shares0Common StockSEC:0001127602-21-021349
15,000 sharesCommon StockSEC:0001209191-16-091083:0
1,776 sharesCommon StockSEC:0001209191-16-091083:1
20 of 20 declarations
About SHERWIN STEPHEN A
Stephen A. Sherwin is a Board Member at Biogen Inc. and Neurocrine Biosciences Inc. In this role, he participates in overseeing the activities of these companies and formulating their strategies. His experience is valuable for the boards.
