Julie Cooke
CIK 1776977 · View on SEC EDGAR ↗
Insider
First SEC filing: May 17, 2019 · Latest: June 4, 2026
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-2,200,685
+ 40 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
40 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 2, 2026 | NBIX | S | 14,214 | $154.83 | $2,200,685 | 22,374 | — | — | -0.5% (price as of 2026-08-21) |
| Feb. 13, 2025 | NBIX | S 10b5-1 | 796 | $116.77 | $92,949 | 19,544 Direct | -3.91% | Disposed | 31.9% (price as of 2026-08-21) |
| Feb. 13, 2025 | NBIX | S 10b5-1 | 755 | $116.80 | $88,184 | 20,190 Direct | -3.60% | Disposed | 31.9% (price as of 2026-08-21) |
| Feb. 10, 2025 | NBIX | S 10b5-1 | 700 | $118.28 | $82,796 | 18,831 Direct | -3.58% | Disposed | 30.2% (price as of 2026-08-21) |
| Jan. 31, 2025 | NBIX | S 10b5-1 | 824 | $152.89 | $125,981 | 18,202 Direct | -4.33% | Disposed | 0.8% (price as of 2026-08-21) |
| Jan. 31, 2025 | NBIX | S 10b5-1 | 916 | $152.89 | $140,047 | 19,026 Direct | -4.59% | Disposed | 0.8% (price as of 2026-08-21) |
| Aug. 1, 2024 | NBIX | S 10b5-1 | 12,632 | $153.26 | $1,935,980 | 18,202 Direct | -40.97% | Disposed | 0.5% (price as of 2026-08-21) |
| July 16, 2024 | NBIX | S 10b5-1 | 900 | $150.04 | $135,036 | 18,202 Direct | -4.71% | Disposed | 2.7% (price as of 2026-08-21) |
| July 1, 2024 | NBIX | S 10b5-1 | 10,000 | $140.19 | $1,401,900 | 18,202 Direct | -35.46% | Disposed | 9.9% (price as of 2026-08-21) |
| Feb. 13, 2024 | NBIX | S 10b5-1 | 796 | $133.04 | $105,900 | 17,976 Direct | -4.24% | Disposed | 15.8% (price as of 2026-08-21) |
| Feb. 8, 2024 | NBIX | S 10b5-1 | 629 | $136.78 | $86,035 | 17,263 Direct | -3.52% | Disposed | 12.6% (price as of 2026-08-21) |
| Feb. 8, 2024 | NBIX | S 10b5-1 | 700 | $134.23 | $93,961 | 17,892 Direct | -3.77% | Disposed | 14.8% (price as of 2026-08-21) |
| Feb. 6, 2024 | NBIX | S 10b5-1 | 575 | $141.96 | $81,627 | 17,263 Direct | -3.22% | Disposed | 8.5% (price as of 2026-08-21) |
| Feb. 6, 2024 | NBIX | S 10b5-1 | 640 | $142.17 | $90,989 | 17,838 Direct | -3.46% | Disposed | 8.4% (price as of 2026-08-21) |
| Jan. 31, 2024 | NBIX | S 10b5-1 | 916 | $140.70 | $128,881 | 18,087 Direct | -4.82% | Disposed | 9.5% (price as of 2026-08-21) |
| Jan. 31, 2024 | NBIX | S 10b5-1 | 824 | $141.94 | $116,959 | 17,263 Direct | -4.56% | Disposed | 8.5% (price as of 2026-08-21) |
| Dec. 22, 2023 | NBIX | S 10b5-1 | 10,000 | $126.79 | $1,267,900 | 17,263 Direct | -36.68% | Disposed | 21.5% (price as of 2026-08-21) |
| Dec. 22, 2023 | NBIX | S 10b5-1 | 14,000 | $129.99 | $1,819,860 | 17,263 Direct | -44.78% | Disposed | 18.5% (price as of 2026-08-21) |
| Sept. 1, 2023 | NBIX | S 10b5-1 | 824 | $110.93 | $91,406 | 17,263 Direct | -4.56% | Disposed | 38.9% (price as of 2026-08-21) |
| Aug. 21, 2023 | NBIX | S | 2,132 | $107.41 | $228,998 | 18,087 Direct | -10.54% | Disposed | 43.4% (price as of 2026-08-21) |
| May 1, 2023 | NBIX | S 10b5-1 | 11,397 | $103.89 | $1,184,034 | 16,169 Direct | -41.34% | Disposed | 48.3% (price as of 2026-08-21) |
| April 25, 2023 | NBIX | S 10b5-1 | 100 | $103.82 | $10,382 | 27,561 Direct | -0.36% | Disposed | 48.4% (price as of 2026-08-21) |
| Feb. 8, 2023 | NBIX | S 10b5-1 | 628 | $103.69 | $65,117 | 27,424 Direct | -2.24% | Disposed | 48.6% (price as of 2026-08-21) |
| Feb. 8, 2023 | NBIX | S 10b5-1 | 700 | $103.95 | $72,765 | 28,052 Direct | -2.43% | Disposed | 48.2% (price as of 2026-08-21) |
| Feb. 7, 2023 | NBIX | S 10b5-1 | 822 | $104.03 | $85,513 | 27,424 Direct | -2.91% | Disposed | 48.1% (price as of 2026-08-21) |
| Feb. 7, 2023 | NBIX | S | 12,801 | $102.41 | $1,310,950 | 28,246 Direct | -31.19% | Disposed | 50.4% (price as of 2026-08-21) |
| Feb. 7, 2023 | NBIX | S 10b5-1 | 913 | $102.25 | $93,354 | 16,749 Direct | -5.17% | Disposed | 50.7% (price as of 2026-08-21) |
| Feb. 6, 2023 | NBIX | S 10b5-1 | 575 | $104.28 | $59,961 | 15,926 Direct | -3.48% | Disposed | 47.7% (price as of 2026-08-21) |
| Feb. 6, 2023 | NBIX | S 10b5-1 | 640 | $105.47 | $67,501 | 16,501 Direct | -3.73% | Disposed | 46.1% (price as of 2026-08-21) |
| Jan. 31, 2023 | NBIX | S 10b5-1 | 916 | $108.48 | $99,368 | 15,926 Direct | -5.44% | Disposed | 42.0% (price as of 2026-08-21) |
| Nov. 8, 2022 | NBIX | S 10b5-1 | 5,592 | $124.99 | $698,944 | 15,102 Direct | -27.02% | Disposed | 23.2% (price as of 2026-08-21) |
| Nov. 3, 2022 | NBIX | S 10b5-1 | 7,264 | $125.00 | $908,000 | 15,102 Direct | -32.48% | Disposed | 23.2% (price as of 2026-08-21) |
| Nov. 2, 2022 | NBIX | S 10b5-1 | 1,144 | $124.97 | $142,966 | 15,102 Direct | -7.04% | Disposed | 23.3% (price as of 2026-08-21) |
| Aug. 5, 2022 | NBIX | S 10b5-1 | 1,816 | $100.00 | $181,600 | 15,102 Direct | -10.73% | Disposed | 54.1% (price as of 2026-08-21) |
| June 27, 2022 | NBIX | S 10b5-1 | 754 | $100.00 | $75,400 | 16,918 Direct | -4.27% | Disposed | 54.1% (price as of 2026-08-21) |
| Feb. 8, 2022 | NBIX | S 10b5-1 | 700 | $79.56 | $55,692 | 17,411 Direct | -3.87% | Disposed | 93.6% (price as of 2026-08-21) |
| Feb. 7, 2022 | NBIX | S 10b5-1 | 640 | $80.63 | $51,603 | 16,783 Direct | -3.67% | Disposed | 91.1% (price as of 2026-08-21) |
| Feb. 7, 2022 | NBIX | S 10b5-1 | 913 | $80.73 | $73,706 | 16,208 Direct | -5.33% | Disposed | 90.8% (price as of 2026-08-21) |
| Feb. 7, 2022 | NBIX | S 10b5-1 | 605 | $80.55 | $48,733 | 15,386 Direct | -3.78% | Disposed | 91.2% (price as of 2026-08-21) |
| Oct. 4, 2021 | NBIX | S 10b5-1 | 987 | $101.73 | $100,408 | 14,841 Direct | -6.24% | Disposed | 51.4% (price as of 2026-08-21) |
| Feb. 8, 2021 | NBIX | S 10b5-1 | 913 | $116.72 | $106,565 | 13,737 Direct | -6.23% | Disposed | 32.0% (price as of 2026-08-21) |
| Feb. 8, 2021 | NBIX | S 10b5-1 | 425 | $116.76 | $49,623 | 12,915 Direct | -3.19% | Disposed | 31.9% (price as of 2026-08-21) |
| Feb. 5, 2021 | NBIX | S 10b5-1 | 605 | $113.86 | $68,885 | 12,125 Direct | -4.75% | Disposed | 35.3% (price as of 2026-08-21) |
| Nov. 12, 2020 | NBIX | S 10b5-1 | 2,257 | $90.73 | $204,778 | 11,580 Direct | -16.31% | Disposed | 69.8% (price as of 2026-08-21) |
| Oct. 2, 2020 | NBIX | S 10b5-1 | 987 | $95.26 | $94,022 | 9,549 Direct | -9.37% | Disposed | 61.7% (price as of 2026-08-21) |
| Aug. 5, 2020 | NBIX | S 10b5-1 | 2,257 | $118.91 | $268,380 | 8,661 Direct | -20.67% | Disposed | 29.6% (price as of 2026-08-21) |
| April 24, 2020 | NBIX | S 10b5-1 | 1,934 | $99.46 | $192,356 | 6,631 Direct | -22.58% | Disposed | 54.9% (price as of 2026-08-21) |
| Feb. 7, 2020 | NBIX | S 10b5-1 | 913 | $103.26 | $94,276 | 4,643 Direct | -16.43% | Disposed | 49.2% (price as of 2026-08-21) |
| Feb. 5, 2020 | NBIX | S 10b5-1 | 605 | $103.17 | $62,418 | 3,821 Direct | -13.67% | Disposed | 49.3% (price as of 2026-08-21) |
| Oct. 2, 2019 | NBIX | S 10b5-1 | 987 | $88.56 | $87,409 | 3,276 Direct | -23.15% | Disposed | 73.9% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| May 16, 2025 | NBIX | Incentive Stock Option | Common Stock (6,468) | $61.82 | Oct. 2, 2027 | 6,468 | Disposed |
| Feb. 13, 2025 | NBIX | Restricted Stock Unit | Common Stock (1,401) | — | — | 1,401 | Disposed |
| Feb. 13, 2025 | NBIX | Restricted Stock Unit | Common Stock (1,509) | — | — | 1,509 | Disposed |
| Feb. 12, 2025 | NBIX | Stock Option | Common Stock (29,600) | $117.18 | Feb. 12, 2035 | 29,600 | Acquired |
| Feb. 12, 2025 | NBIX | Restricted Stock Unit | Common Stock (5,548) | — | — | 5,548 | Acquired |
| Feb. 8, 2025 | NBIX | Restricted Stock Unit | Common Stock (1,329) | — | — | 1,329 | Disposed |
| Jan. 31, 2025 | NBIX | Restricted Stock Unit | Common Stock (1,740) | — | — | 1,740 | Disposed |
| Aug. 1, 2024 | NBIX | Non-Qualified Stock Option | Common Stock (12,632) | $61.82 | Oct. 2, 2027 | 12,632 | Disposed |
| July 16, 2024 | NBIX | Non-Qualified Stock Option | Common Stock (900) | $61.82 | Oct. 2, 2027 | 900 | Disposed |
| July 1, 2024 | NBIX | Non-Qualified Stock Option | Common Stock (10,000) | $61.82 | Oct. 2, 2027 | 10,000 | Disposed |
| Feb. 13, 2024 | NBIX | Restricted Stock Unit | Common Stock (5,604) | — | — | 5,604 | Acquired |
| Feb. 13, 2024 | NBIX | Stock Option | Common Stock (28,161) | $133.84 | Feb. 13, 2034 | 28,161 | Acquired |
| Dec. 22, 2023 | NBIX | Non-Qualified Stock Option | Common Stock (10,000) | $61.82 | Oct. 2, 2027 | 10,000 | Disposed |
| Dec. 22, 2023 | NBIX | Non-Qualified Stock Option | Common Stock (14,000) | $81.05 | Feb. 7, 2029 | 14,000 | Disposed |
| Feb. 13, 2023 | NBIX | Restricted Stock Unit | Common Stock (6,038) | — | — | 6,038 | Acquired |
| Feb. 13, 2023 | NBIX | Stock Option | Common Stock (37,523) | $103.52 | Feb. 13, 2033 | 37,523 | Acquired |
| Nov. 8, 2022 | NBIX | Non-Qualified Stock Option | Common Stock (5,592) | $81.05 | Feb. 7, 2029 | 5,592 | Disposed |
| Nov. 3, 2022 | NBIX | Non-Qualified Stock Option | Common Stock (7,264) | $81.05 | Feb. 7, 2029 | 7,264 | Disposed |
| Nov. 2, 2022 | NBIX | Non-Qualified Stock Option | Common Stock (1,144) | $81.05 | Feb. 7, 2029 | 1,144 | Disposed |
| Jan. 31, 2022 | NBIX | Restricted Stock Unit | Common Stock (6,961) | — | — | 6,961 | Acquired |
| Jan. 31, 2022 | NBIX | Stock Option | Common Stock (47,401) | $79.02 | Jan. 31, 2032 | 47,401 | Acquired |
| Feb. 8, 2021 | NBIX | Stock Option | Common Stock (35,035) | $117.63 | Feb. 8, 2031 | 35,035 | Acquired |
| Feb. 8, 2021 | NBIX | Restricted Stock Unit | Common Stock (5,314) | — | — | 5,314 | Acquired |
| Feb. 8, 2021 | NBIX | Stock Option | Common Stock (31,880) | $117.63 | Feb. 8, 2031 | 31,880 | Acquired |
| Feb. 6, 2020 | NBIX | Restricted Stock Unit | Common Stock (4,860) | — | — | 4,860 | Acquired |
| Feb. 6, 2020 | NBIX | Stock Option | Common Stock (30,674) | $102.90 | Feb. 6, 2030 | 30,674 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 12 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 17, 2019 | NBIX | Common Stock | 1,916 | Direct |
| May 17, 2019 | NBIX | Incentive Stock Option→ Common Stock (6,468) | 6,468 | Direct |
| May 17, 2019 | NBIX | Non-Qualified Stock Option→ Common Stock (33,532) | 33,532 | Direct |
| May 17, 2019 | NBIX | Incentive Stock Option→ Common Stock (1,085) | 1,085 | Direct |
| May 17, 2019 | NBIX | Non-Qualified Stock Option→ Common Stock (24,965) | 24,965 | Direct |
| May 17, 2019 | NBIX | Incentive Stock Option→ Common Stock (1,375) | 1,375 | Direct |
| May 17, 2019 | NBIX | Non-Qualified Stock Option→ Common Stock (36,129) | 36,129 | Direct |
| May 17, 2019 | NBIX | Restricted Stock Unit→ Common Stock (5,625) | 5,625 | Direct |
| May 17, 2019 | NBIX | Restricted Stock Unit→ Common Stock (3,450) | 3,450 | Direct |
| May 17, 2019 | NBIX | Restricted Stock Unit→ Common Stock (6,941) | 6,941 | Direct |
| May 17, 2019 | NBIX | Restricted Stock Unit→ Common Stock (12,250) | 12,250 | Direct |
| May 17, 2019 | NBIX | Restricted Stock Unit→ Common Stock (12,250) | 12,250 | Direct |