William H Rastetter

CIK 1205903 · View on SEC EDGAR ↗

Insider

First SEC filing: June 11, 2026 · Latest: June 11, 2026

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-2,732,760 + 79 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

79 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 5, 2025 NBIX S 10b5-1 18,000 $151.82 $2,732,760 40,360 Direct -30.84% Disposed 1.5% (price as of 2026-08-21)
May 5, 2025 NBIX S 10b5-1 30,000 $110.20 $3,306,000 37,491 Direct -44.45% Disposed 39.8% (price as of 2026-08-21)
Aug. 15, 2024 NBIX S 14,250 $146.69 $2,090,332 37,491 Direct -27.54% Disposed 5.0% (price as of 2026-08-21)
Jan. 2, 2024 NBIX S 10b5-1 11,044 $131.47 $1,451,955 51,741 Direct -17.59% Disposed 17.2% (price as of 2026-08-21)
May 1, 2023 NBIX S 10b5-1 4,300 $101.43 $436,149 42,785 Direct -9.13% Disposed 51.9% (price as of 2026-08-21)
April 21, 2023 NBIX S 10b5-1 6,034 $105.04 $633,811 39,460 Direct -13.26% Disposed 46.7% (price as of 2026-08-21)
April 19, 2023 NBIX S 10b5-1 903 $105.00 $94,815 34,729 Direct -2.53% Disposed 46.7% (price as of 2026-08-21)
April 1, 2022 NBIX S 10b5-1 10,728 $94.93 $1,018,409 34,022 Direct -23.97% Disposed 62.3% (price as of 2026-08-21)
Jan. 24, 2018 NBIX S 10b5-1 9,500 $90.00 $855,000 24,750 Direct -27.74% Disposed 71.2% (price as of 2026-08-21)
Feb. 1, 2017 NBIX S 10b5-1 10,750 $42.28 $454,510 14,250 Direct -43.00% Disposed 264.4% (price as of 2026-08-21)
Nov. 23, 2016 FATE P 375,939 $2.66 $999,998 459,272 Indirect +451.13% Acquired -6.2% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 200 $195.52 $39,104 5,953 Direct -3.25% Disposed 10.4% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 3,683 $194.91 $717,854 6,153 Direct -37.44% Disposed 10.8% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 907 $193.88 $175,849 9,836 Direct -8.44% Disposed 11.4% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 543 $192.60 $104,582 10,743 Direct -4.81% Disposed 12.1% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 600 $191.09 $114,654 11,286 Direct -5.05% Disposed 13.0% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 844 $190.23 $160,554 11,886 Direct -6.63% Disposed 13.5% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 800 $189.12 $151,296 12,730 Direct -5.91% Disposed 14.2% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 200 $187.57 $37,514 13,530 Direct -1.46% Disposed 15.1% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 2,373 $185.90 $441,141 13,730 Direct -14.74% Disposed 16.1% (price as of 2026-08-21)
Jan. 20, 2015 ILMN S 10b5-1 5,850 $184.85 $1,081,372 16,103 Direct -26.65% Disposed 16.8% (price as of 2026-08-21)

Showing latest 100 of 229 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 12, 2026 FATE Stock Option (Right to Buy) Common Stock (87,900) $2.06 June 12, 2036 87,900 Acquired
June 11, 2026 DARE Stock Option (right to buy) Common stock (10,000) $2.03 June 11, 2036 10,000 Acquired
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 5, 2026 FATE Stock Option (Right to Buy) Common Stock (25,000) $1.69 May 11, 2026 25,000 Acquired
Nov. 5, 2025 NBIX Non-Qualified Stock Option Common Stock (18,000) $47.89 May 20, 2026 18,000 Disposed
July 9, 2025 DARE Stock Option (right to buy) Common stock (4,500) $2.44 July 9, 2035 4,500 Acquired
May 29, 2025 FATE Stock Option (Right to Buy) Common Stock (55,000) $1.32 May 29, 2035 55,000 Acquired
May 22, 2025 NBIX Restricted Stock Unit [F2] Common Stock (2,869) $0.00 — 2,869 Disposed
May 21, 2025 NBIX Restricted Stock Unit [F2] Common Stock (3,318) $0.00 — 3,318 Acquired
May 5, 2025 NBIX Non-Qualified Stock Option Common Stock (30,000) $42.76 May 28, 2025 30,000 Disposed
June 7, 2024 FATE Stock Option (Right to Buy) Common Stock (40,000) $3.68 June 7, 2034 40,000 Acquired
May 22, 2024 NBIX Restricted Stock Unit [F1] Common Stock (2,869) $0.00 — 2,869 Acquired
Jan. 2, 2024 NBIX Non-Qualified Stock Option Common Stock (20,000) $12.98 May 22, 2024 20,000 Disposed
June 21, 2023 DARE Stock Option (right to buy) Common stock (40,000) $0.96 June 21, 2033 40,000 Acquired
June 6, 2023 FATE Stock Option (Right to Buy) Common Stock (40,000) $5.52 June 6, 2033 40,000 Acquired
May 17, 2023 NBIX Non-Qualified Stock Option Common Stock (8,579) $95.27 May 17, 2033 8,579 Acquired
May 1, 2023 NBIX Non-Qualified Stock Option Common Stock (7,625) $12.71 May 23, 2023 7,625 Disposed
April 21, 2023 NBIX Non-Qualified Stock Option Common Stock (10,765) $12.71 May 23, 2023 10,765 Disposed
April 19, 2023 NBIX Non-Qualified Stock Option Common Stock (1,610) $12.71 May 23, 2023 1,610 Disposed
June 23, 2022 DARE Stock Option (right to buy) Common stock (38,000) $1.31 June 23, 2032 38,000 Acquired
June 9, 2022 FATE Stock Option (Right to Buy) Common Stock (11,893) $23.48 June 9, 2032 11,893 Acquired
May 18, 2022 NBIX Non-Qualified Stock Option Common Stock (9,724) $84.95 May 18, 2032 9,724 Acquired
April 1, 2022 NBIX Non-Qualified Stock Option Common Stock (20,000) $6.66 May 23, 2022 20,000 Disposed
June 24, 2021 DARE Stock Option (right to buy) Common stock (30,000) $1.46 June 24, 2031 30,000 Acquired
June 2, 2021 FATE Stock Option (Right to Buy) Common Stock (4,334) $68.94 June 1, 2031 4,334 Acquired
May 19, 2021 NBIX Non-Qualified Stock Option Common Stock (8,833) $92.35 May 19, 2031 8,833 Acquired
June 25, 2020 DARE Stock Option (right to buy) Common stock (22,500) $1.03 June 25, 2030 22,500 Acquired
May 19, 2020 NBIX Non-Qualified Stock Option Common Stock (6,018) $119.93 May 19, 2030 6,018 Acquired
May 1, 2020 FATE Stock Option (right to buy) Common Stock (16,000) $26.59 May 1, 2030 16,000 Acquired
March 30, 2020 FATE Stock Option (right to buy) Common Stock (28,461) $1.37 Feb. 5, 2023 28,461 Disposed
June 13, 2019 DARE Stock Option (right to buy) Common stock (22,500) $0.90 June 13, 2029 22,500 Acquired
May 22, 2019 NBIX Non-Qualified Stock Option Common Stock (13,000) $79.79 May 22, 2029 13,000 Acquired
May 3, 2019 FATE Stock Option (right to buy) Common Stock (16,000) $17.15 May 3, 2029 16,000 Acquired
July 10, 2018 DARE Stock Option (right to buy) Common Stock (45,000) $1.35 July 10, 2028 45,000 Acquired
May 24, 2018 NBIX Non-Qualified Stock Option Common Stock (15,000) $94.64 May 24, 2028 15,000 Acquired
May 2, 2018 FATE Stock Option (right to buy) Common Stock (16,000) $9.78 May 2, 2028 16,000 Acquired
Jan. 24, 2018 NBIX Non-Qualified Stock Option Common Stock (20,000) $7.05 May 25, 2018 20,000 Acquired
July 19, 2017 DARE Option to Purchase Common Stock Common Stock (2,000) — July 19, 2027 2,000 Acquired
July 19, 2017 DARE Option to Purchase Common Stock Common Stock (2,000) — July 19, 2027 2,000 Acquired
May 22, 2017 NBIX Stock Option Common Stock (18,000) $53.64 May 22, 2027 18,000 Acquired
May 2, 2017 FATE Stock Option (right to buy) Common Stock (25,000) $4.73 May 1, 2027 25,000 Acquired
Feb. 1, 2017 NBIX Stock Option Common Stock (25,000) $2.17 Feb. 4, 2017 25,000 Disposed
June 22, 2016 DARE Stock Option (right to buy) Common Stock (20,000) $2.08 June 21, 2026 20,000 Acquired
May 20, 2016 NBIX Stock Option Common Stock (18,000) $47.89 May 20, 2026 18,000 Acquired
May 11, 2016 FATE Stock Option (right to buy) Common Stock (25,000) $1.69 May 10, 2026 25,000 Acquired
June 26, 2015 DARE Stock Option (Right to Buy) Common Stock (11,000) $4.78 June 25, 2025 11,000 Acquired
June 26, 2015 DARE Stock Option (Right to Buy) Common Stock (8,214) $4.78 June 25, 2025 8,214 Acquired
May 28, 2015 NBIX Stock Option [F1] Common Stock (30,000) $42.76 May 27, 2025 30,000 Acquired
May 28, 2015 NBIX Stock Option [F1] Common Stock (30,000) $42.76 May 27, 2025 30,000 Acquired
Jan. 20, 2015 ILMN Non-Qualified Stock Option (right to buy) Common Stock (16,000) $6.22 June 28, 2015 16,000 Disposed
May 22, 2014 NBIX Stock Option [F1] Common Stock (20,000) $12.98 May 22, 2024 20,000 Acquired
April 15, 2014 DARE Warrant to purchase Series C Common Stock (380) — Nov. 12, 2017 380 Acquired
April 15, 2014 DARE Warrant to purchase Series C Series C Convertible Preferred Stock (5,522) — Nov. 12, 2017 5,522 Disposed
April 15, 2014 DARE 7% Convertible Promissory Notes Common Stock $5.43 — — Disposed
April 15, 2014 DARE 7% Convertible Promissory Notes Common Stock $7.00 — — Disposed
April 15, 2014 DARE Series D Convertible Preferred Stock Common Stock (7,589) — — 110,107 Disposed
April 15, 2014 DARE Series C Convertible Preferred Stock Common Stock (8,199) — — 118,954 Disposed
April 15, 2014 DARE Series B-1 Convertible Preferred Stock Common Stock (5,868) — — 31,500 Disposed
April 15, 2014 DARE Series B Convertible Preferred Stock Common Stock (2,576) — — 22,801 Disposed
April 15, 2014 DARE Series A Convertible Preferred Stock Common Stock (7,106) — — 76,923 Disposed
Oct. 28, 2013 ILMN Non-Qualified Stock Option (right to buy) Common Stock (20,000) $3.24 May 20, 2014 20,000 Disposed
May 29, 2013 ILMN Non-Qualified Stock Option (right to buy) Common Stock (7,600) $71.09 May 29, 2023 7,600 Acquired
May 23, 2013 NBIX Stock Option [F1] Common Stock (20,000) $12.71 May 23, 2023 20,000 Acquired
April 8, 2013 ILMN Non-Qualified Stock Option (right to buy) Common Stock (20,000) $1.03 May 22, 2013 20,000 Disposed
May 23, 2012 NBIX Stock Option [F1] Common Stock (20,000) $6.66 May 23, 2022 20,000 Acquired
April 18, 2012 ILMN Non-Qualified Stock Option (right to buy) Common Stock (10,800) $44.51 April 18, 2022 10,800 Acquired
May 25, 2011 NBIX Stock Option [F1] Common Stock (20,000) $7.05 May 25, 2018 20,000 Acquired
May 10, 2011 ILMN Non-Qualified Stock Option (right to buy) Common Stock (10,800) $75.66 May 10, 2021 10,800 Acquired
Sept. 22, 2010 ILMN Non-Qualified Stock Option (right to buy) Common Stock (20,000) $3.25 May 23, 2012 20,000 Disposed
Sept. 15, 2010 ILMN Non-Qualified Stock Option (right to buy) Common Stock (2,340) $5.15 May 24, 2011 2,340 Disposed
Aug. 17, 2010 ILMN Non-Qualified Stock Option (right to buy) Common Stock (17,660) $5.15 May 24, 2011 17,660 Disposed
May 12, 2010 ILMN Non-Qualified Stock Option (right to buy) Common Stock (13,500) $42.82 May 12, 2020 13,500 Acquired
Feb. 4, 2010 NBIX Stock Option [F1] Common Stock (25,000) $2.17 Feb. 4, 2020 25,000 Acquired
May 8, 2009 ILMN Non-Qualified Stock Option (right to buy) Common Stock (15,000) $36.29 May 8, 2019 15,000 Acquired
May 16, 2008 ILMN Non-Qualified Stock Option (right to buy) Common Stock (7,500) $78.28 May 16, 2018 7,500 Acquired
June 7, 2007 ILMN Non-Qualified Stock Option (right to buy) Common Stock (10,000) $35.15 June 7, 2017 10,000 Acquired
June 8, 2006 ILMN Non-Qualified Stock Option (right to buy) Common Stock (8,000) $26.60 June 8, 2016 8,000 Acquired
June 28, 2005 ILMN Non-Qualified Stock Option (right to buy) Common Stock (8,000) $12.45 June 28, 2015 8,000 Acquired
Feb. 17, 2005 BIIB Stock Option (right-to-buy) [F1] Common Stock (325,000) $67.57 Feb. 17, 2015 325,000 Acquired
Feb. 15, 2005 BIIB Stock Option (right-to-buy) [F4] Common Stock (120,313) $3.35 Jan. 24, 2006 120,313 Disposed
May 24, 2004 BIIB Stock Option (right-to-buy) [F2] Common Stock (29,081) $3.35 Jan. 24, 2006 29,081 Disposed
May 20, 2004 ILMN Non-Qualified Stock Option (right to buy) Common Stock (10,000) $6.48 May 20, 2014 10,000 Acquired
May 19, 2004 BIIB Stock Option (right-to-buy) [F2] Common Stock (25,000) $3.35 Jan. 24, 2006 25,000 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (3,352) $7.72 Jan. 13, 2009 3,352 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (19,399) $6.92 Feb. 5, 2008 19,399 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (19,222) $3.50 Jan. 15, 2007 19,222 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (9,375) $3.35 Jan. 24, 2006 9,375 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (26,907) $3.35 Jan. 24, 2006 26,907 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (32,514) $0.43 Jan. 25, 2005 32,514 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (18,285) $0.50 Sept. 13, 2004 18,285 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (33,342) $0.50 Sept. 13, 2004 33,342 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (392,826) $0.50 Sept. 13, 2004 392,826 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (25,000) $3.35 Jan. 24, 2006 25,000 Disposed
March 17, 2004 BIIB Incentive Stock Option (right to buy) [F1] Common Stock (8,000) $0.60 May 1, 2004 8,000 Disposed
Feb. 6, 2004 BIIB NQ Stock Option (right to buy) Common Stock (150,000) $43.50 Feb. 6, 2014 150,000 Acquired
Feb. 6, 2004 BIIB NQ Stock Option (right to buy) Common Stock (150,000) $43.50 Feb. 6, 2014 15,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 13 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
April 10, 2014 DARE Series A Convertible Preferred Stock→ Common Stock — Direct
April 10, 2014 DARE Series B Convertible Preferred Stock→ Common Stock — Direct
April 10, 2014 DARE Series B-1 Convertible Preferred Stock→ Common Stock — Direct
April 10, 2014 DARE Series C Convertible Preferred Stock→ Common Stock — Direct
April 10, 2014 DARE Series D Convertible Preferred Stock→ Common Stock — Direct
April 10, 2014 DARE 7% Convertible Promissory Notes→ Common Stock — Direct
April 10, 2014 DARE 7% Convertible Promissory Notes→ Common Stock — Direct
April 10, 2014 DARE Stock Option (right to buy)→ Common Stock — Direct
April 10, 2014 DARE Warrant to purchase Series C Preferred Stock→ Series C Convertible Preferred Stock — Direct
Sept. 30, 2013 FATE Common Stock 118,360 Indirect
Sept. 30, 2013 FATE Stock Option (right to buy)→ Common Stock (28,461) 28,461 Direct
Feb. 8, 2010 NBIX Common Stock 0 Indirect
Feb. 8, 2010 NBIX Stock Option→ Common Stock — Direct