SEC CIK 1079462
SHERWIN STEPHEN A
Reported ownership across 4 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| BIIBview stock → | 15,193 | 2026-06-09 |
| NBIXview stock → | 14,860 | 2026-09-02 |
| VSTMview stock → | 2,500 | 2014-12-26 |
| ANIPview stock → | 0 | 2009-10-14 |
Position History — BIIB
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — BIIB
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-09 | Grant / award | 1,505 | $0.00 | 15,193 |
| 2025-06-17 | Grant / award | 2,370 | $0.00 | 13,688 |
| 2025-03-07 | Open-market sale | 8,760 | $150.02 | 11,318 |
| 2024-06-21 | Grant / award | 1,340 | $0.00 | 20,078 |
| 2023-06-26 | Grant / award | 960 | $0.00 | 18,738 |
| 2022-06-15 | Grant / award | 1,370 | $0.00 | 18,473 |
| 2021-07-01 | Grant / award | 775 | $0.00 | 17,103 |
| 2020-06-03 | Grant / award | 890 | $0.00 | 16,328 |
| 2020-03-11 | Option exercise (derivative) | 1,355 | — | 0 |
| 2020-03-11 | Open-market sale | 2,164 | $295.22 | 14,353 |
| 2020-03-11 | Option exercise | 1,355 | $58.46 | 15,708 |
| 2020-03-11 | Open-market sale | 270 | $295.29 | 15,438 |
| 2020-03-11 | Option exercise | 10,923 | $58.46 | 16,517 |
| 2019-06-19 | Grant / award | 1,155 | $0.00 | 6,319 |
| 2018-10-31 | Gift | 200 | $0.00 | 5,339 |
| 2018-10-31 | Gift | 175 | $0.00 | 5,164 |
| 2018-10-31 | Gift | 275 | $0.00 | 5,739 |
| 2018-10-31 | Gift | 200 | $0.00 | 5,539 |
| 2018-06-12 | Grant / award | 880 | $0.00 | 6,014 |
| 2017-11-29 | Gift | 400 | $0.00 | 5,134 |
| 2017-11-29 | Gift | 200 | $0.00 | 5,534 |
| 2017-11-29 | Gift | 250 | $0.00 | 5,734 |
| 2017-06-07 | Grant / award | 1,055 | $0.00 | 5,984 |
| 2016-11-08 | Gift | 1,000 | $0.00 | 4,905 |
| 2016-06-08 | Grant / award | 1,060 | $0.00 | 5,905 |
| 2015-06-10 | Grant / award | 695 | $0.00 | 4,845 |
| 2015-03-10 | Option exercise (derivative) | 6,000 | $0.00 | 10,675 |
| 2015-03-10 | Option exercise | 6,000 | $59.82 | 10,150 |
| 2015-03-10 | Open-market sale | 6,000 | $409.67 | 4,150 |
| 2015-03-06 | Gift | 275 | $0.00 | 4,150 |
| 2014-12-01 | Gift | 405 | $0.00 | 4,425 |
| 2014-06-12 | Grant / award | 870 | $0.00 | 4,830 |
| 2014-01-02 | Option exercise (derivative) | 5,500 | $0.00 | 16,675 |
| 2014-01-02 | Option exercise | 5,500 | $59.82 | 9,460 |
| 2014-01-02 | Open-market sale | 3,700 | $279.50 | 3,960 |
| 2014-01-02 | Open-market sale | 1,800 | $278.84 | 7,660 |
| 2013-06-12 | Grant / award | 1,305 | $0.00 | 3,960 |
| 2013-06-03 | Option exercise (derivative) | 12,825 | $0.00 | 22,175 |
| 2013-06-03 | Open-market sale | 3,433 | $232.51 | 12,047 |
| 2013-06-03 | Open-market sale | 9,392 | $233.54 | 2,655 |
| 2013-06-03 | Option exercise | 12,825 | $59.82 | 15,480 |
| 2013-03-22 | Open-market sale | 1,500 | $176.88 | 2,655 |
| 2012-09-04 | Open-market sale | 2,000 | $145.90 | 4,155 |
| 2012-06-08 | Grant / award | 2,020 | $0.00 | 6,155 |
| 2012-06-04 | Open-market sale | 2,500 | $126.45 | 4,135 |
| 2011-12-19 | Open-market sale | 2,500 | $110.88 | 6,635 |
| 2011-06-01 | Grant / award | 2,900 | $0.00 | 9,135 |
| 2010-06-09 | Grant / award | 5,735 | $0.00 | 6,235 |
| 2010-03-22 | Grant / award (derivative) | 35,000 | $0.00 | 35,000 |
| 2010-03-22 | Grant / award (derivative) | 1,325 | $0.00 | 1,325 |
| 2010-03-22 | Grant / award | 500 | $0.00 | 500 |
| 2010-03-20 | — | — | — | 0 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.