Updated Jul 16, 2026 · Last SEC filing 2026-07-13
NEUROCRINE BIOSCIENCES INC (NBIX) has filed 35 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-13. 3 Form 8-K material event filings were reported by NBIX in the last 90 days. 14 Form 144 notices of proposed sale were filed for NBIX stock. InsiderAlpha tracks every NBIX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000914475 |
|---|
| Form 4 filings (90d) | 35 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 14 |
| Latest Form 4 filing | 2026-07-13 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Delaet Ingrid | Chief Regulatory Officer | M — Option exercise [10b5-1] | 4.4K | $106.02 | $463K | SEC | |
| Delaet Ingrid | Chief Regulatory Officer | S — Open-market sale [10b5-1] | 4.4K | $181.02 | $791K | SEC | |
| Lippoldt Darin | Chief Legal Officer | S — Open-market sale [10b5-1] | 10.0K | $179.60 | $1.80M | SEC | |
| Lippoldt Darin | Chief Legal Officer | M — Option exercise [10b5-1] | 10.0K | $81.49 | $815K | SEC | |
| Delaet Ingrid | Chief Regulatory Officer | M — Option exercise | 8.4K | $103.52 | $873K | SEC | |
| Delaet Ingrid | Chief Regulatory Officer | S — Open-market sale | 8.4K | $178.72 | $1.51M | SEC | |
| Delaet Ingrid | Chief Regulatory Officer | M — Option exercise | 2.7K | $103.52 | $283K | SEC | |
| Delaet Ingrid | Chief Regulatory Officer | S — Open-market sale | 2.7K | $178.54 | $489K | SEC | |
| Delaet Ingrid | Chief Regulatory Officer | M — Option exercise | 3.4K | $103.52 | $352K | SEC | |
| Delaet Ingrid | Chief Regulatory Officer | S — Open-market sale | 3.4K | $178.57 | $607K | SEC | |
| Lippoldt Darin | Chief Legal Officer | S — Open-market sale | 8.1K | $170.03 | $1.38M | SEC | |
| Lippoldt Darin | Chief Legal Officer | M — Option exercise | 1.7K | $81.49 | $138K | SEC | |
| Lippoldt Darin | Chief Legal Officer | S — Open-market sale | 1.7K | $170.81 | $289K | SEC | |
| Lippoldt Darin | Chief Legal Officer | M — Option exercise | 8.1K | $81.49 | $661K | SEC | |
| Lippoldt Darin | Chief Legal Officer | S — Open-market sale | 200 | $169.56 | $34K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for NEUROCRINE BIOSCIENCES INC (NBIX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Delaet Ingrid | 15 | $5.90M |
| Lippoldt Darin | 12 | $5.13M |
| SHERWIN STEPHEN A | 12 | $5.74M |
| Onyia Jude | 7 | $5.34M |
| Cooke Julie | 7 | $7.80M |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NBIX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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