SHERWIN STEPHEN A
CIK 1079462 · View on SEC EDGAR ↗
Insider
First SEC filing: June 9, 2026 · Latest: June 9, 2026
On this page
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net:
$-4,132,990
+ 82 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
82 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 5, 2026 | NBIX | S 10b5-1 | 1,843 | $167.31 | $308,352 | 15,860 Direct | -10.41% | Disposed | -7.1% (price as of 2026-08-19) |
| June 5, 2026 | NBIX | S 10b5-1 | 5,829 | $166.56 | $970,878 | 17,703 Direct | -24.77% | Disposed | -6.7% (price as of 2026-08-19) |
| June 5, 2026 | NBIX | S 10b5-1 | 6,896 | $165.79 | $1,143,288 | 23,532 Direct | -22.66% | Disposed | -6.2% (price as of 2026-08-19) |
| June 5, 2026 | NBIX | S 10b5-1 | 2,549 | $164.44 | $419,158 | 30,428 Direct | -7.73% | Disposed | -5.5% (price as of 2026-08-19) |
| June 5, 2026 | NBIX | S 10b5-1 | 7,883 | $163.81 | $1,291,314 | 32,977 Direct | -19.29% | Disposed | -5.1% (price as of 2026-08-19) |
| March 7, 2025 | BIIB | S | 8,760 | $150.02 | $1,314,175 | 11,318 Direct | -43.63% | Disposed | 45.8% (price as of 2026-08-19) |
| Feb. 13, 2025 | NBIX | S 10b5-1 | 13,831 | $116.69 | $1,613,939 | 10,673 Direct | -56.44% | Disposed | 33.2% (price as of 2026-08-19) |
| May 29, 2024 | NBIX | S 10b5-1 | 15,000 | $133.47 | $2,002,050 | 26,504 Direct | -36.14% | Disposed | 16.5% (price as of 2026-08-19) |
| May 29, 2024 | NBIX | S 10b5-1 | 25,000 | $133.46 | $3,336,500 | 26,504 Direct | -48.54% | Disposed | 16.5% (price as of 2026-08-19) |
| Jan. 3, 2023 | NBIX | S 10b5-1 | 15,000 | $118.85 | $1,782,750 | 25,055 Direct | -37.45% | Disposed | 30.8% (price as of 2026-08-19) |
| Jan. 3, 2023 | NBIX | S 10b5-1 | 15,000 | $118.87 | $1,783,050 | 25,055 Direct | -37.45% | Disposed | 30.8% (price as of 2026-08-19) |
| Jan. 24, 2022 | NBIX | S 10b5-1 | 15,000 | $74.43 | $1,116,450 | 25,055 Direct | -37.45% | Disposed | 108.9% (price as of 2026-08-19) |
| April 28, 2020 | NBIX | S 10b5-1 | 17,687 | $99.39 | $1,757,911 | 29,861 Direct | -37.20% | Disposed | 56.4% (price as of 2026-08-19) |
| March 11, 2020 | BIIB | S 10b5-1 | 270 | $295.29 | $79,728 | 15,438 Direct | -1.72% | Disposed | -25.9% (price as of 2026-08-19) |
| March 11, 2020 | BIIB | S 10b5-1 | 2,164 | $295.21 | $638,834 | 14,353 Direct | -13.10% | Disposed | -25.9% (price as of 2026-08-19) |
| June 11, 2018 | NBIX | S 10b5-1 | 10,000 | $98.44 | $984,400 | 47,548 Direct | -17.38% | Disposed | 57.9% (price as of 2026-08-19) |
| March 10, 2015 | BIIB | S 10b5-1 | 6,000 | $409.67 | $2,458,020 | 4,150 Direct | -59.11% | Disposed | -46.6% (price as of 2026-08-19) |
| Dec. 26, 2014 | VSTM | P | 2,500 | $8.56 | $21,400 | 2,500 Indirect | — | Acquired | -92.7% (price as of 2026-08-19) |
Showing latest 100 of 180 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 5, 2026 | NBIX | Non-Qualified Stock Option | Common Stock (10,000) | $79.79 | May 22, 2029 | 10,000 | Disposed |
| June 5, 2026 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $53.64 | May 22, 2027 | 15,000 | Disposed |
| May 27, 2026 | NBIX | Restriced Stock Unit [F1] | Common Stock (2,567) | $0.00 | — | 2,567 | Acquired |
| May 21, 2026 | NBIX | Restricted Stock Unit | Common Stock (3,318) | — | — | 3,318 | Disposed |
| May 22, 2025 | NBIX | Restricted Stock Unit [F1] | Common Stock (2,869) | $0.00 | — | 2,869 | Disposed |
| May 21, 2025 | NBIX | Restricted Stock Unit [F1] | Common Stock (3,318) | $0.00 | — | 3,318 | Acquired |
| May 29, 2024 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $47.89 | May 20, 2026 | 15,000 | Disposed |
| May 29, 2024 | NBIX | Non-Qualified Stock Option | Common Stock (25,000) | $42.76 | May 28, 2025 | 25,000 | Disposed |
| May 22, 2024 | NBIX | Restricted Stock Unit [F1] | Common Stock (2,869) | $0.00 | — | 2,869 | Acquired |
| May 17, 2024 | NBIX | Restricted Stock Unit | Common Stock (4,199) | — | — | 4,199 | Disposed |
| May 17, 2023 | NBIX | Restricted Stock Unit | Common Stock (4,199) | — | — | 4,199 | Acquired |
| Jan. 3, 2023 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $12.98 | May 22, 2024 | 15,000 | Disposed |
| Jan. 3, 2023 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $12.71 | May 23, 2023 | 15,000 | Disposed |
| May 18, 2022 | NBIX | Non-Qualified Stock Option | Common Stock (9,724) | $84.95 | May 18, 2032 | 9,724 | Acquired |
| Jan. 24, 2022 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $6.66 | May 23, 2022 | 15,000 | Disposed |
| May 19, 2021 | NBIX | Non-Qualified Stock Option | Common Stock (8,833) | $92.35 | May 19, 2031 | 8,833 | Acquired |
| May 19, 2020 | NBIX | Non-Qualified Stock Option | Common Stock (6,018) | $119.93 | May 19, 2030 | 6,018 | Acquired |
| March 11, 2020 | BIIB | Stock Option (Right to Buy) | Common Stock | — | March 22, 2020 | 1,355 | Disposed |
| March 11, 2020 | BIIB | Stock Option (Right to Buy) | Common Stock | — | March 22, 2020 | 10,923 | Disposed |
| May 22, 2019 | NBIX | Non-Qualified Stock Option | Common Stock (10,000) | $79.79 | May 22, 2029 | 10,000 | Acquired |
| May 24, 2018 | NBIX | Non-Qualified Stock Option | Common Stock (12,500) | $94.64 | May 24, 2028 | 12,500 | Acquired |
| April 26, 2018 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $7.05 | May 25, 2018 | 15,000 | Disposed |
| May 22, 2017 | NBIX | Stock Option | Common Stock (15,000) | $53.64 | May 22, 2027 | 15,000 | Acquired |
| Feb. 7, 2017 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $3.40 | May 25, 2017 | 15,000 | Disposed |
| May 20, 2016 | NBIX | Stock Option | Common Stock (15,000) | $47.89 | May 20, 2026 | 15,000 | Acquired |
| May 11, 2016 | RIGL | Stock Option (Right to Buy) | Common Stock (40,000) | $2.40 | May 11, 2026 | 40,000 | Acquired |
| April 14, 2016 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $3.07 | May 29, 2016 | 15,000 | Disposed |
| June 12, 2015 | VSTM | Stock Option (Right to Buy) | Common Stock (17,969) | $7.99 | June 12, 2025 | 17,969 | Acquired |
| May 28, 2015 | NBIX | Stock Option [F1] | Common Stock (25,000) | $42.76 | May 27, 2025 | 25,000 | Acquired |
| May 13, 2015 | RIGL | Stock Option (Right to Buy) | Common Stock (40,000) | $3.96 | May 13, 2025 | 40,000 | Acquired |
| April 7, 2015 | NBIX | Non-Qualified Stock Option | Common Stock (15,000) | $4.76 | May 28, 2015 | 15,000 | Disposed |
| March 10, 2015 | BIIB | Stock Option (Right to Buy) | Common Stock (6,000) | $59.82 | March 22, 2020 | 6,000 | Disposed |
| June 10, 2014 | VSTM | Stock Option (Right to Buy) | Common Stock (25,000) | $10.07 | June 10, 2024 | 25,000 | Acquired |
| May 22, 2014 | NBIX | Stock Option [F1] | Common Stock (15,000) | $12.98 | May 22, 2024 | 15,000 | Acquired |
| May 21, 2014 | RIGL | Stock Option (Right to Buy) | Common Stock (30,000) | $3.19 | May 21, 2024 | 30,000 | Acquired |
| April 16, 2014 | NBIX | Stock Option | Common Stock (12,000) | $12.37 | June 1, 2014 | 12,000 | Disposed |
| Jan. 2, 2014 | BIIB | Stock Option (Right to Buy) | Common Stock (5,500) | $59.82 | March 22, 2020 | 5,500 | Disposed |
| June 4, 2013 | VSTM | Stock Option (Right to Buy) | Common Stock (3,116) | $9.34 | June 4, 2023 | 3,116 | Acquired |
| June 4, 2013 | VSTM | Stock Option (Right to Buy) | Common Stock (12,500) | $9.34 | June 4, 2023 | 12,500 | Acquired |
| June 3, 2013 | BIIB | Stock Option (Right to Buy) | Common Stock (12,825) | $59.82 | March 22, 2020 | 12,825 | Disposed |
| May 23, 2013 | NBIX | Stock Option [F1] | Common Stock (15,000) | $12.71 | May 23, 2023 | 15,000 | Acquired |
| May 15, 2013 | RIGL | Stock Option (Right to Buy) | Common Stock (15,000) | $4.87 | May 15, 2023 | 15,000 | Acquired |
| March 28, 2013 | NBIX | Stock Option | Common Stock (12,000) | $10.60 | June 30, 2013 | 12,000 | Disposed |
| March 5, 2013 | VSTM | Stock Option (Right to Buy) | Common Stock (25,000) | $9.23 | March 5, 2023 | 25,000 | Acquired |
| May 23, 2012 | RIGL | Stock Option (Right to Buy) | Common Stock (15,000) | $7.60 | May 23, 2022 | 15,000 | Acquired |
| May 23, 2012 | NBIX | Stock Option [F1] | Common Stock (15,000) | $6.66 | May 23, 2022 | 15,000 | Acquired |
| March 30, 2012 | ANIP | Non-Statutory Stock Option (right to buy) | Common Stock (25,000) | $0.68 | March 29, 2022 | 25,000 | Acquired |
| May 25, 2011 | NBIX | Stock Option [F1] | Common Stock (15,000) | $7.05 | May 25, 2018 | 15,000 | Acquired |
| May 20, 2011 | RIGL | Stock Option (Right to Buy) | Common Stock (15,000) | $8.34 | May 20, 2021 | 15,000 | Acquired |
| March 31, 2011 | ANIP | Non-Statutory Stock Option (right to buy) | Common Stock (25,000) | $1.98 | March 30, 2021 | 25,000 | Acquired |
| May 28, 2010 | RIGL | Stock Option (Right to Buy) | Common Stock (15,000) | $6.73 | May 28, 2020 | 15,000 | Acquired |
| May 25, 2010 | NBIX | Stock Option [F1] | Common Stock (15,000) | $3.40 | May 25, 2017 | 15,000 | Acquired |
| March 31, 2010 | ANIP | Non-Statutory Stock Option (right to buy) | Common Stock (10,000) | $1.79 | March 30, 2020 | 10,000 | Acquired |
| March 22, 2010 | BIIB | Stock Option (Right to Buy) | Common Stock (35,000) | $59.82 | March 22, 2020 | 35,000 | Acquired |
| March 22, 2010 | BIIB | Stock Option (Right to Buy) | Common Stock (1,325) | $59.82 | March 22, 2020 | 1,325 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Common Stock (10,101) | $10.07 | Feb. 6, 2018 | 10,101 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Common Stock (58,448) | $10.07 | Feb. 6, 2018 | 58,448 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Common Stock (5,074) | $16.80 | Feb. 7, 2017 | 5,074 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Common Stock (13,205) | $16.80 | Feb. 7, 2017 | 13,205 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Common Stock (3,406) | $33.21 | Feb. 7, 2016 | 3,406 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Common Stock (7,561) | $33.21 | Feb. 7, 2016 | 7,561 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Common Stock (18,325) | $36.82 | Feb. 3, 2015 | 18,325 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Common Stock (2,239) | $36.82 | Feb. 3, 2015 | 2,239 | Acquired |
| Oct. 14, 2009 | ANIP | Stock Option (right to buy) | Commom Stock (15,000) | $1.82 | Oct. 13, 2019 | 15,000 | Acquired |
| Aug. 28, 2009 | NBIX | Stock Option (right to buy) | Common Stock (12,000) | $37.37 | May 25, 2015 | 12,000 | Disposed |
| Aug. 28, 2009 | NBIX | Stock Option (right to buy) | Common Stock (12,000) | $48.51 | May 22, 2013 | 12,000 | Disposed |
| May 29, 2009 | NBIX | Stock Option [F1] | Common Stock (15,000) | $3.07 | May 29, 2016 | 15,000 | Acquired |
| May 29, 2009 | RIGL | Stock Option (Right to Buy) | Common Stock (10,000) | $8.12 | May 29, 2019 | 10,000 | Acquired |
| May 30, 2008 | RIGL | Stock Option (Right to Buy) | Common Stock (10,000) | $23.10 | May 30, 2018 | 10,000 | Acquired |
| May 28, 2008 | NBIX | Stock Option [F1] | Common Stock (15,000) | $4.76 | May 28, 2015 | 15,000 | Acquired |
| Oct. 24, 2007 | NBIX | Stock Option (right to buy) | Common Stock (12,000) | $57.51 | May 26, 2014 | 12,000 | Disposed |
| June 1, 2007 | NBIX | Stock Option [F1] | Common Stock (12,000) | $12.37 | June 1, 2014 | 12,000 | Acquired |
| June 1, 2007 | RIGL | Stock Option (Right to Buy) | Common Stock (10,000) | $9.74 | June 1, 2017 | 10,000 | Acquired |
| Aug. 7, 2006 | RIGL | Stock Option (Right to Buy) | Common Stock (4,039) | $9.56 | Aug. 7, 2016 | 4,039 | Acquired |
| June 30, 2006 | NBIX | Stock Option [F1] | Common Stock (12,000) | $10.60 | June 30, 2013 | 12,000 | Acquired |
| May 31, 2006 | RIGL | Stock Option (Right to Buy) | Common Stock (10,000) | $9.93 | May 31, 2016 | 10,000 | Acquired |
| June 3, 2005 | RIGL | Stock Option (Right to Buy) | Common Stock (10,000) | $17.41 | June 3, 2015 | 10,000 | Acquired |
| May 25, 2005 | NBIX | Stock Option [F1] | Common Stock (12,000) | $37.37 | May 25, 2015 | 12,000 | Acquired |
| Sept. 22, 2004 | NBIX | Stock Option | Common Stock (2,500) | $4.03 | April 22, 2009 | 2,500 | Disposed |
| June 11, 2004 | RIGL | Stock Option (Right to Buy) | Common Stock (1,667) | $16.17 | June 11, 2014 | 1,667 | Acquired |
| June 3, 2004 | RIGL | Stock Option (Right to Buy) | Common Stock (8,333) | $17.66 | June 3, 2014 | 8,333 | Acquired |
| May 26, 2004 | NBIX | Stock Option [F1] | Common Stock (12,000) | $57.51 | May 26, 2014 | 12,000 | Acquired |
| Jan. 28, 2004 | RIGL | Stock Option (Right to Buy) | Common Stock (7,628) | $24.30 | Jan. 28, 2014 | 7,628 | Acquired |
| Jan. 28, 2004 | RIGL | Stock Option (Right to Buy) | Common Stock (7,628) | $24.30 | Jan. 28, 2014 | 7,628 | Acquired |
| Jan. 26, 2004 | RIGL | Stock Option (Right to Buy) | Common Stock (8,333) | $23.00 | Jan. 26, 2014 | 8,333 | Acquired |
| Jan. 26, 2004 | RIGL | Stock Option (Right to Buy) | Common Stock (8,333) | $23.00 | Jan. 26, 2014 | 8,333 | Acquired |
| July 28, 2003 | RIGL | Stock Option (right to buy) | Common Stock (556) | $73.53 | July 19, 2011 | — | Disposed |
| July 28, 2003 | RIGL | Stock Option (right to buy) | Common Stock (556) | $27.00 | June 20, 2012 | — | Disposed |
| July 28, 2003 | RIGL | Stock Option (right to buy) | Common Stock (4,039) | $9.20 | July 28, 2006 | — | Acquired |
| July 28, 2003 | RIGL | Stock Option (right to buy) | Common Stock (705) | $40.50 | Aug. 2, 2010 | — | Disposed |
| July 28, 2003 | RIGL | Stock Option (right to buy) | Common Stock (2,222) | $99.00 | March 8, 2010 | — | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.