Thomas W Mitchell
Insider
First SEC filing: Jan. 15, 2015 · Latest: Jan. 15, 2015
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 23, 2015 | NBIX | M | 15,000 | $6.66 | $99,900 | 0 Direct | -100.00% | Disposed | 2049.8% (price as of 2026-10-02) |
| June 23, 2015 | NBIX | S 10b5-1 | 15,000 | $49.35 | $740,250 | 1,000 Direct | -93.75% | Disposed | 190.1% (price as of 2026-10-02) |
| June 23, 2015 | NBIX | M | 15,000 | $6.66 | $99,900 | 16,000 Direct | +1500.00% | Acquired | 2049.8% (price as of 2026-10-02) |
| May 28, 2015 | NBIX | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 28, 2015 | NBIX | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 13, 2015 | NBIX | M | 15,000 | $7.05 | $105,750 | 0 Direct | -100.00% | Disposed | 1930.9% (price as of 2026-10-02) |
| Jan. 13, 2015 | NBIX | M | 15,000 | $3.40 | $51,000 | 0 Direct | -100.00% | Disposed | 4111.2% (price as of 2026-10-02) |
| Jan. 13, 2015 | NBIX | M | 15,000 | $3.07 | $46,050 | 0 Direct | -100.00% | Disposed | 4563.8% (price as of 2026-10-02) |
| Jan. 13, 2015 | NBIX | S 10b5-1 | 45,000 | $30.07 | $1,353,150 | 1,000 Direct | -97.83% | Disposed | 376.2% (price as of 2026-10-02) |
| Jan. 13, 2015 | NBIX | M | 15,000 | $7.05 | $105,750 | 46,000 Direct | +48.39% | Acquired | 1930.9% (price as of 2026-10-02) |
| Jan. 13, 2015 | NBIX | M | 15,000 | $3.40 | $51,000 | 31,000 Direct | +93.75% | Acquired | 4111.2% (price as of 2026-10-02) |
| Jan. 13, 2015 | NBIX | M | 15,000 | $3.07 | $46,050 | 16,000 Direct | +1500.00% | Acquired | 4563.8% (price as of 2026-10-02) |
| Jan. 2, 2015 | NBIX | M | 8,000 | $4.76 | $38,080 | 0 Direct | -100.00% | Disposed | 2908.0% (price as of 2026-10-02) |
| Jan. 2, 2015 | NBIX | S 10b5-1 | 8,000 | $22.79 | $182,320 | 1,000 Direct | -88.89% | Disposed | 528.3% (price as of 2026-10-02) |
| Jan. 2, 2015 | NBIX | M | 8,000 | $4.76 | $38,080 | 9,000 Direct | +800.00% | Acquired | 2908.0% (price as of 2026-10-02) |
| Dec. 10, 2014 | NBIX | M | 7,000 | $4.76 | $33,320 | 8,000 Direct | -46.67% | Disposed | 2908.0% (price as of 2026-10-02) |
| Dec. 10, 2014 | NBIX | S 10b5-1 | 7,000 | $21.90 | $153,300 | 1,000 Direct | -87.50% | Disposed | 553.8% (price as of 2026-10-02) |
| Dec. 10, 2014 | NBIX | M | 7,000 | $4.76 | $33,320 | 8,000 Direct | +700.00% | Acquired | 2908.0% (price as of 2026-10-02) |
| Oct. 1, 2014 | NBIX | S 10b5-1 | 1,275 | $15.50 | $19,762 | 1,000 Direct | -56.04% | Disposed | 823.7% (price as of 2026-10-02) |
| May 22, 2014 | NBIX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 16, 2014 | NBIX | M | 12,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 16, 2014 | NBIX | F | 10,725 | $13.84 | $148,434 | 2,275 Direct | -82.50% | Disposed | 934.5% (price as of 2026-10-02) |
| April 16, 2014 | NBIX | M | 12,000 | $12.37 | $148,440 | 13,000 Direct | +1200.00% | Acquired | 1057.5% (price as of 2026-10-02) |
| Aug. 6, 2013 | NBIX | S 10b5-1 | 1,531 | $14.70 | $22,506 | 1,000 Direct | -60.49% | Disposed | 874.0% (price as of 2026-10-02) |
| May 23, 2013 | NBIX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 28, 2013 | NBIX | M | 12,000 | $10.60 | $127,200 | 13,000 Direct | +1200.00% | Acquired | 1250.8% (price as of 2026-10-02) |
| March 28, 2013 | NBIX | M | 12,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 28, 2013 | NBIX | F | 10,469 | $12.15 | $127,198 | 2,531 Direct | -80.53% | Disposed | 1078.4% (price as of 2026-10-02) |
| Dec. 5, 2012 | NBIX | S 10b5-1 | 900 | $7.41 | $6,669 | 1,000 Indirect | -47.37% | Disposed | 1832.3% (price as of 2026-10-02) |
| May 23, 2012 | NBIX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 25, 2011 | NBIX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 25, 2010 | NBIX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 5, 2009 | NBIX | P | 900 | $2.17 | $1,953 | 1,900 Indirect | +90.00% | Acquired | 6498.2% (price as of 2026-10-02) |
| Aug. 28, 2009 | NBIX | D | 12,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 28, 2009 | NBIX | D | 12,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 29, 2009 | NBIX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 28, 2008 | NBIX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 24, 2007 | NBIX | D | 12,000 | $0.01 | $120 | 0 Direct | -100.00% | Disposed | 1431700.0% (price as of 2026-10-02) |
| June 1, 2007 | NBIX | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2006 | NBIX | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 25, 2005 | NBIX | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 9, 2004 | NBIX | P | 1,000 | $41.18 | $41,180 | 1,000 Direct | · | Acquired | 247.7% (price as of 2026-10-02) |
| May 26, 2004 | NBIX | A | 12,000 | $57.51 | $690,120 | 12,000 Direct | · | Acquired | 149.0% (price as of 2026-10-02) |
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 23, 2015 | NBIX | Non-qualified Stock Option | Common Stock | $6.66 | May 23, 2022 | 15,000 | Disposed |
| May 28, 2015 | NBIX | Stock Option [F1] | Common Stock | $42.76 | May 27, 2025 | 25,000 | Acquired |
| May 28, 2015 | NBIX | Stock Option [F1] | Common Stock | $42.76 | May 27, 2025 | 25,000 | Acquired |
| Jan. 13, 2015 | NBIX | Nonqualified Stock Option | Common Stock | $7.05 | May 25, 2018 | 15,000 | Disposed |
| Jan. 13, 2015 | NBIX | Nonqualified Stock Option | Common Stock | $3.40 | May 25, 2017 | 15,000 | Disposed |
| Jan. 13, 2015 | NBIX | Nonqualified Stock Option | Common Stock | $3.07 | May 29, 2016 | 15,000 | Disposed |
| Jan. 2, 2015 | NBIX | Nonstatutory Stock Option | Common Stock | $4.76 | May 25, 2015 | 8,000 | Disposed |
| Dec. 10, 2014 | NBIX | Nonstatutory Stock Option | Common Stock | $4.76 | May 25, 2015 | 7,000 | Disposed |
| May 22, 2014 | NBIX | Stock Option [F1] | Common Stock | $12.98 | May 22, 2024 | 15,000 | Acquired |
| April 16, 2014 | NBIX | Stock Option | Common Stock | $12.37 | June 1, 2014 | 12,000 | Disposed |
| May 23, 2013 | NBIX | Stock Option [F1] | Common Stock | $12.71 | May 23, 2023 | 15,000 | Acquired |
| March 28, 2013 | NBIX | Stock Option | Common Stock | $10.60 | June 30, 2013 | 12,000 | Disposed |
| May 23, 2012 | NBIX | Stock Option [F1] | Common Stock | $6.66 | May 23, 2022 | 15,000 | Acquired |
| May 25, 2011 | NBIX | Stock Option [F1] | Common Stock | $7.05 | May 25, 2018 | 15,000 | Acquired |
| May 25, 2010 | NBIX | Stock Option [F1] | Common Stock | $3.40 | May 25, 2017 | 15,000 | Acquired |
| Aug. 28, 2009 | NBIX | Stock Option (right to buy) | Common Stock | $37.37 | May 25, 2015 | 12,000 | Disposed |
| Aug. 28, 2009 | NBIX | Stock Option (right to buy) | Common Stock | $48.51 | May 22, 2013 | 12,000 | Disposed |
| May 29, 2009 | NBIX | Stock Option [F1] | Common Stock | $3.07 | May 29, 2016 | 15,000 | Acquired |
| May 28, 2008 | NBIX | Stock Option [F1] | Common Stock | $4.76 | May 28, 2015 | 15,000 | Acquired |
| Oct. 24, 2007 | NBIX | Stock Option (right to buy) | Common Stock | $57.51 | May 26, 2014 | 12,000 | Disposed |
| June 1, 2007 | NBIX | Stock Option [F1] | Common Stock | $12.37 | June 1, 2014 | 12,000 | Acquired |
| June 30, 2006 | NBIX | Stock Option [F1] | Common Stock | $10.60 | June 30, 2013 | 12,000 | Acquired |
| May 25, 2005 | NBIX | Stock Option [F1] | Common Stock | $37.37 | May 25, 2015 | 12,000 | Acquired |
| May 26, 2004 | NBIX | Stock Option [F1] | Common Stock | $57.51 | May 26, 2014 | 12,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).