Insider · CIK 0001909817
David W. Boyer
Files at NBIX (NEUROCRINE BIOSCIENCES INC). First filing Feb 2, 2024, latest Sep 15, 2026.
In brief
David W. Boyer files SEC Form 4 as officer at NBIX (NEUROCRINE BIOSCIENCES INC). Since Feb 2, 2024, David W. Boyer has reported 0 open-market buys worth $0 and 8 open-market sells worth $2.0M, the latest filed on Sep 15, 2026.
A track record needs three past buys with six months of prices behind them; David W. Boyer has 0, so none is measured yet.
The newest scored trade: sold $130k of NBIX on Sep 14, 2026, filed Sep 15, 2026, scored 21 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 2 sells worth $739k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
NBIX: NEUROCRINE BIOSCIENCES INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 21Weak | NEUROCRINE BIOSCIENCES INC | $130k 826 shares | -9% | - | |
| 40Moderate | NEUROCRINE BIOSCIENCES INC | $609k 3,888 shares | -33% | +27% from low-3% from high | |
| 17Weak | NEUROCRINE BIOSCIENCES INC | $208k 1,785 shares | -47% | - | |
| 14Weak | NEUROCRINE BIOSCIENCES INC | $83k 700 shares | -26% | - | |
| 16Weak | NEUROCRINE BIOSCIENCES INC | $169k 1,104 shares | -45% | - | |
| 33Weak | NEUROCRINE BIOSCIENCES INC | $241k 1,811 shares | -27% | +49% from low-6% from high | |
| 33Weak | NEUROCRINE BIOSCIENCES INC | $245k 1,784 shares | -33% | +60% from low0% from high | |
| 34Weak | NEUROCRINE BIOSCIENCES INC | $295k 2,096 shares | -30% | +56% from low-2% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 14, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | 4,714 0.00% of outstanding | $736k | Sep 14, 2026 | none |
| May 26, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | 3,888 0.00% of outstanding | $609k | May 26, 2026 | none |
| Feb 13, 2025 | NBIX NEUROCRINE BIOSCIENCES, INC. | 955 0.00% of outstanding | $112k | Feb 13, 2025 | $252k |
| Feb 13, 2025 | NBIX NEUROCRINE BIOSCIENCES, INC. | 830 0.00% of outstanding | $97k | Feb 13, 2025 | $252k |
| Feb 10, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | 700 0.00% of outstanding | $86k | Feb 10, 2025 | $169k |
| Jan 31, 2025 | NBIX NEUROCRINE BIOSCIENCES, INC. | 1,104 0.00% of outstanding | $169k | Jan 31, 2025 | none |
| Feb 13, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | 856 0.00% of outstanding | $112k | Feb 13, 2024 | $540k |
| Feb 13, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | 955 0.00% of outstanding | $125k | Feb 13, 2024 | $540k |
| Feb 8, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | 628 0.00% of outstanding | $86k | Feb 8, 2024 | $360k |
| Feb 8, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | 700 0.00% of outstanding | $95k | Feb 8, 2024 | $360k |
| Feb 6, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | 240 0.00% of outstanding | $34k | Feb 6, 2024 | $295k |
| Feb 6, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | 216 0.00% of outstanding | $31k | Feb 6, 2024 | $295k |
| Jan 31, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | 992 0.00% of outstanding | $141k | Jan 31, 2024 | none |
| Jan 31, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | 1,104 0.00% of outstanding | $157k | Jan 31, 2024 | none |
Transactions
Every row this insider has filed, 44 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | AGrant or award Common Stock10b5-1 | +3,587 | $0.00 | $0 | 11,484 | 28 d ago |
| Sep 11, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | FTax withholding Common Stock10b5-1 | -1,936 | $156.22 | $302k | 9,548 | 28 d ago |
| Sep 14, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -826 | $157.45 | $130k | 8,722 | 28 d ago |
| May 26, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -3,888 | $156.64 | $609k | 7,799 | May 28, 2026 |
| Feb 12, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Common Stock | +1,600 | $0.00 | $0 | 6,313 | Feb 17, 2026 |
| Feb 12, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | FTax withholding Common Stock | -864 | $123.10 | $106k | 5,449 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Common Stock | +1,541 | $0.00 | $0 | 6,990 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | FTax withholding Common Stock | -832 | $124.12 | $103k | 6,158 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Common Stock | +1,811 | $0.00 | $0 | 7,969 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | FTax withholding Common Stock | -978 | $124.12 | $121k | 6,991 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | AGrant or award Common Stock | +9,968 | $0.00 | $0 | 16,959 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | FTax withholding Common Stock | -5,378 | $124.12 | $668k | 11,581 | Feb 17, 2026 |
| Feb 12, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Restricted Stock Unitderivative | -1,600 | $0.00 | $0 | 4,801 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Restricted Stock Unitderivative | -1,541 | $0.00 | $0 | 3,083 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Restricted Stock Unitderivative | -1,811 | $0.00 | $0 | 1,812 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | AGrant or award Stock Optionderivative | +31,234 | $0.00 | $0 | 31,234 | Feb 17, 2026 |
| Feb 13, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | AGrant or award Restricted Stock Unitderivative | +5,479 | $0.00 | $0 | 5,479 | Feb 17, 2026 |
| Jan 31, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Common Stock | +2,096 | $0.00 | $0 | 5,902 | Feb 3, 2026 |
| Jan 31, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | FTax withholding Common Stock | -1,189 | $136.06 | $162k | 4,713 | Feb 3, 2026 |
| Jan 31, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Restriced Stock Unitderivative | -2,096 | $0.00 | $0 | 0 | Feb 3, 2026 |
| Feb 13, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Common Stock10b5-1 | +1,811 | $0.00 | $0 | 3,809 | Feb 14, 2025 |
| Feb 13, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -955 | $116.79 | $112k | 2,854 | Feb 14, 2025 |
| Feb 13, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Common Stock10b5-1 | +1,541 | $0.00 | $0 | 4,395 | Feb 14, 2025 |
| Feb 13, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -830 | $116.69 | $97k | 3,565 | Feb 14, 2025 |
| Feb 12, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | AGrant or award Stock Optionderivative10b5-1 | +34,153 | $0.00 | $0 | 34,153 | Feb 14, 2025 |
| Feb 12, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | AGrant or award Restricted Stock Unitderivative10b5-1 | +6,401 | $0.00 | $0 | 6,401 | Feb 14, 2025 |
| Feb 13, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Restricted Stock Unitderivative10b5-1 | -1,811 | $0.00 | $0 | 3,623 | Feb 14, 2025 |
| Feb 13, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Restricted Stock Unitderivative10b5-1 | -1,541 | $0.00 | $0 | 4,624 | Feb 14, 2025 |
| Feb 8, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Common Stock10b5-1 | +1,329 | $0.00 | $0 | 2,698 | Feb 12, 2025 |
| Feb 10, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -700 | $118.31 | $83k | 1,998 | Feb 12, 2025 |
| Feb 8, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Restricted Stock Unitderivative10b5-1 | -1,329 | $0.00 | $0 | 0 | Feb 12, 2025 |
| Jan 31, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Common Stock10b5-1 | +2,096 | $0.00 | $0 | 2,473 | Feb 4, 2025 |
| Jan 31, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -1,104 | $152.94 | $169k | 1,369 | Feb 4, 2025 |
| Jan 31, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | MOption exercise Restriced Stock Unitderivative10b5-1 | -2,096 | $0.00 | $0 | 2,096 | Feb 4, 2025 |
| Feb 13, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -955 | $133.10 | $127k | 5,751 | Feb 15, 2024 |
| Feb 13, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -856 | $133.05 | $114k | 4,895 | Feb 15, 2024 |
| Feb 13, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | AGrant or award Stock Optionderivative10b5-1 | +30,977 | $0.00 | $0 | 30,977 | Feb 15, 2024 |
| Feb 13, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | AGrant or award Restricted Stock Unitderivative10b5-1 | +6,165 | $0.00 | $0 | 6,165 | Feb 15, 2024 |
| Feb 6, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -240 | $141.96 | $34k | 5,110 | Feb 8, 2024 |
| Feb 6, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -216 | $141.96 | $31k | 4,894 | Feb 8, 2024 |
| Feb 8, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -700 | $134.19 | $94k | 5,523 | Feb 8, 2024 |
| Feb 8, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -628 | $136.78 | $86k | 4,895 | Feb 8, 2024 |
| Jan 31, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -1,104 | $140.87 | $156k | 5,886 | Feb 2, 2024 |
| Jan 31, 2024 | NBIX NEUROCRINE BIOSCIENCES INC | SOpen-market sale Common Stock10b5-1 | -992 | $140.72 | $140k | 4,894 | Feb 2, 2024 |
Questions about David W. Boyer
Answered from the filings on this page, as of the latest one.
Is David W. Boyer buying or selling?
In the last 12 months David W. Boyer reported 0 open-market buys worth $0 and 2 open-market sells worth $739k on SEC Form 4; the latest was sold $130k of NBIX on Sep 14, 2026. Grants, option exercises and tax withholding are not counted.
How did David W. Boyer's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and David W. Boyer has 0.
Where does David W. Boyer file Form 4?
David W. Boyer has filed Form 4 at NBIX (NEUROCRINE BIOSCIENCES INC) as Chief Corp. Affairs Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.