Updated Jul 16, 2026
SHERWIN STEPHEN A has filed 4 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $4.13M.

Stephen A. Sherwin is a corporate director known for his roles at Biogen Inc. and Neurocrine Biosciences Inc. He has been involved in the biotechnology sector, particularly focusing on neurological and endocrine-related treatments.
| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-11 | BIIB | BIOGEN INC. | A — Grant or award | 1.5K | $0.00 | |
| 2026-06-09 | NBIX | NEUROCRINE BIOSCIENCES INC | S — Open-market sale | 1.8K | $167.31 | $308K |
| 2026-06-09 | NBIX | NEUROCRINE BIOSCIENCES INC | S — Open-market sale | 5.8K | $166.56 | $971K |
| 2026-06-09 | NBIX | NEUROCRINE BIOSCIENCES INC | S — Open-market sale | 6.9K | $165.79 | $1.14M |
| 2026-06-09 | NBIX | NEUROCRINE BIOSCIENCES INC | S — Open-market sale | 2.5K | $164.44 | $419K |
| 2026-06-09 | NBIX | NEUROCRINE BIOSCIENCES INC | S — Open-market sale | 7.9K | $163.81 | $1.29M |
| 2026-06-09 | NBIX | NEUROCRINE BIOSCIENCES INC | M — Option exercise | 10.0K | $79.79 | $798K |
| 2026-06-09 | NBIX | NEUROCRINE BIOSCIENCES INC | M — Option exercise | 15.0K | $53.64 | $805K |
| 2026-05-21 | NBIX | NEUROCRINE BIOSCIENCES INC | M — Option exercise | 3.3K | $0.00 | |
| 2025-09-02 | NBIX | NEUROCRINE BIOSCIENCES INC | G — Bona-fide gift | 1.0K | $0.00 | |
| 2025-06-17 | BIIB | BIOGEN INC. | A — Grant or award | 2.4K | $0.00 | |
| 2025-05-21 | NBIX | NEUROCRINE BIOSCIENCES INC | M — Option exercise | 2.9K | $0.00 | |
| 2024-11-07 | NBIX | NEUROCRINE BIOSCIENCES INC | G — Bona-fide gift | 2.0K | $0.00 |
Stephen A. Sherwin is a corporate director known for his roles at Biogen Inc. and Neurocrine Biosciences Inc. He has been involved in the biotechnology sector, particularly focusing on neurological and endocrine-related treatments.…
4 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 5 open-market sales ($4.13M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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