David W. Boyer

CIK 1909817 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 9, 2022 · Latest: Feb. 9, 2022

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 14 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

14 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Feb. 13, 2025 NBIX S 10b5-1 830 $116.69 $96,853 3,565 Direct -18.89% Disposed 32.7% (price as of 2026-08-20)
Feb. 13, 2025 NBIX S 10b5-1 955 $116.79 $111,534 2,854 Direct -25.07% Disposed 32.6% (price as of 2026-08-20)
Feb. 10, 2025 NBIX S 10b5-1 700 $118.31 $82,817 1,998 Direct -25.95% Disposed 30.9% (price as of 2026-08-20)
Jan. 31, 2025 NBIX S 10b5-1 1,104 $152.94 $168,846 1,369 Direct -44.64% Disposed 1.2% (price as of 2026-08-20)
Oct. 3, 2024 NBIX S 10b5-1 1,295 $113.66 $147,190 377 Direct -77.45% Disposed 36.2% (price as of 2026-08-20)
Sept. 13, 2024 NBIX S 10b5-1 3,461 $121.88 $421,827 1,672 Direct -67.43% Disposed 27.0% (price as of 2026-08-20)
Feb. 13, 2024 NBIX S 10b5-1 856 $133.05 $113,891 4,895 Direct -14.88% Disposed 16.4% (price as of 2026-08-20)
Feb. 13, 2024 NBIX S 10b5-1 955 $133.10 $127,110 5,751 Direct -14.24% Disposed 16.3% (price as of 2026-08-20)
Feb. 8, 2024 NBIX S 10b5-1 628 $136.78 $85,898 4,895 Direct -11.37% Disposed 13.2% (price as of 2026-08-20)
Feb. 8, 2024 NBIX S 10b5-1 700 $134.19 $93,933 5,523 Direct -11.25% Disposed 15.4% (price as of 2026-08-20)
Feb. 6, 2024 NBIX S 10b5-1 216 $141.96 $30,663 4,894 Direct -4.23% Disposed 9.1% (price as of 2026-08-20)
Feb. 6, 2024 NBIX S 10b5-1 240 $141.96 $34,070 5,110 Direct -4.49% Disposed 9.1% (price as of 2026-08-20)
Jan. 31, 2024 NBIX S 10b5-1 992 $140.72 $139,594 4,894 Direct -16.85% Disposed 10.0% (price as of 2026-08-20)
Jan. 31, 2024 NBIX S 10b5-1 1,104 $140.87 $155,520 5,886 Direct -15.79% Disposed 9.9% (price as of 2026-08-20)
Oct. 2, 2023 NBIX S 10b5-1 1,437 $112.68 $161,921 4,894 Direct -22.70% Disposed 37.4% (price as of 2026-08-20)
Aug. 30, 2023 NBIX S 10b5-1 1,438 $108.22 $155,620 3,460 Direct -29.36% Disposed 43.1% (price as of 2026-08-20)
Aug. 30, 2023 NBIX S 10b5-1 1,295 $106.90 $138,436 4,898 Direct -20.91% Disposed 44.8% (price as of 2026-08-20)
Aug. 21, 2023 NBIX S 1,600 $107.41 $171,856 6,193 Direct -20.53% Disposed 44.1% (price as of 2026-08-20)
Feb. 8, 2023 NBIX S 10b5-1 700 $104.11 $72,877 4,755 Direct -12.83% Disposed 48.7% (price as of 2026-08-20)
Feb. 7, 2023 NBIX S 10b5-1 11,497 $102.42 $1,177,523 4,127 Direct -73.59% Disposed 51.2% (price as of 2026-08-20)
Feb. 7, 2023 NBIX S 12,801 $102.41 $1,310,950 15,624 Direct -45.03% Disposed 51.2% (price as of 2026-08-20)
Feb. 6, 2023 NBIX S 10b5-1 240 $105.61 $25,346 4,127 Direct -5.50% Disposed 46.6% (price as of 2026-08-20)
Jan. 31, 2023 NBIX S 10b5-1 1,104 $109.92 $121,352 3,911 Direct -22.01% Disposed 40.9% (price as of 2026-08-20)
Oct. 31, 2022 NBIX S 10b5-1 1,295 $114.12 $147,785 2,919 Direct -30.73% Disposed 35.7% (price as of 2026-08-20)
Oct. 3, 2022 NBIX S 10b5-1 1,437 $106.59 $153,170 4,214 Direct -25.43% Disposed 45.3% (price as of 2026-08-20)
Feb. 8, 2022 NBIX S 10b5-1 700 $79.62 $55,734 2,919 Direct -19.34% Disposed 94.5% (price as of 2026-08-20)
Feb. 7, 2022 NBIX S 10b5-1 240 $81.07 $19,457 2,291 Direct -9.48% Disposed 91.0% (price as of 2026-08-20)

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
Feb. 13, 2025 NBIX Restricted Stock Unit Common Stock (1,811) — — 1,811 Disposed
Feb. 13, 2025 NBIX Restricted Stock Unit Common Stock (1,541) — — 1,541 Disposed
Feb. 12, 2025 NBIX Restricted Stock Unit Common Stock (6,401) — — 6,401 Acquired
Feb. 12, 2025 NBIX Stock Option Common Stock (34,153) $117.18 Feb. 12, 2035 34,153 Acquired
Feb. 8, 2025 NBIX Restricted Stock Unit Common Stock (1,329) — — 1,329 Disposed
Jan. 31, 2025 NBIX Restriced Stock Unit Common Stock (2,096) — — 2,096 Disposed
Feb. 13, 2024 NBIX Restricted Stock Unit Common Stock (6,165) — — 6,165 Acquired
Feb. 13, 2024 NBIX Stock Option Common Stock (30,977) $133.84 Feb. 13, 2034 30,977 Acquired
Feb. 13, 2023 NBIX Restricted Stock Unit Common Stock (7,245) — — 7,245 Acquired
Feb. 13, 2023 NBIX Stock Option Common Stock (45,027) $103.52 Feb. 13, 2033 45,027 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
Feb. 9, 2022 NBIX Common Stock 2,075 Direct
Feb. 9, 2022 NBIX Incentive Stock Option→ Common Stock (4,480) 4,480 Direct
Feb. 9, 2022 NBIX Non-Qualified Stock Option→ Common Stock (43,724) 43,724 Direct
Feb. 9, 2022 NBIX Incentive Stock Option→ Common Stock (479) 479 Direct
Feb. 9, 2022 NBIX Non-Qualified Stock Option→ Common Stock (11,024) 11,024 Direct
Feb. 9, 2022 NBIX Incentive Stock Option→ Common Stock (1,281) 1,281 Direct
Feb. 9, 2022 NBIX Non-Qualified Stock Option→ Common Stock (33,754) 33,754 Direct
Feb. 9, 2022 NBIX Incentive Stock Option→ Common Stock (1,190) 1,190 Direct
Feb. 9, 2022 NBIX Non-Qualified Stock Option→ Common Stock (55,907) 55,907 Direct
Feb. 9, 2022 NBIX Restricted Stock Unit→ Common Stock (10,927) 10,927 Direct
Feb. 9, 2022 NBIX Restricted Stock Unit→ Common Stock (1,823) 1,823 Direct
Feb. 9, 2022 NBIX Restricted Stock Unit→ Common Stock (5,314) 5,314 Direct
Feb. 9, 2022 NBIX Restriced Stock Unit→ Common Stock (8,384) 8,384 Direct