NBIX

NEUROCRINE BIOSCIENCES INC

SEC CIK 914475
$156.42 +10.8% · 90 days
90-day buys
$0
0 open-market
90-day sells
$17.51M
17 open-market
Net insider flow
−$17.51M
Net selling
Filings shown
115
Most recent
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At a glance

Over the last 90 days, insiders at NBIX have sold a net $17.51M of stock (0 open-market buys vs 17 sells).

Largest recent trade: Onyia Jude sold $7.8M of NBIX, trimming their stake 77%.

Most active filer: Abernethy Matt, with 33 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for NBIX, newest first
View on SEC EDGAR ↗
NBIX
Sell POPS RICHARD F · Director · Open-market sale · filed May 18, 2026 ΔOwn −30%

Pops Richard F sold $2.36M of NBIX, trimming their stake 30%.

−$2.36M
15,000 sh @ $158
NBIX
Sell Norwalk Leslie V · Director · Open-market sale · filed May 14, 2026 ΔOwn −61%

Norwalk Leslie V sold $590.6K of NBIX, trimming their stake 61%.

−$590.6K
3,810 sh @ $155
NBIX
Sell Norwalk Leslie V · Director · Open-market sale · filed Dec 17, 2025 ΔOwn −16%

Norwalk Leslie V sold $184.6K of NBIX, trimming their stake 16%.

−$184.6K
1,190 sh @ $155
NBIX
Sell Norwalk Leslie V · Director · Open-market sale · filed Dec 17, 2025 ΔOwn −40%

Norwalk Leslie V sold $761.1K of NBIX, trimming their stake 40%.

−$761.1K
5,000 sh @ $152
NBIX
Sell LYONS GARY A · Director · Open-market sale · filed Dec 4, 2025 ΔOwn −11%

Lyons Gary A sold $2.29M of NBIX, trimming their stake 11%.

−$2.29M
15,000 sh @ $153
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NBIX
Sell Delaet Ingrid · Chief Regulatory Officer · Open-market sale · filed Jul 11, 2025 ΔOwn −8.8%

Delaet Ingrid sold $61.7K of NBIX, trimming their stake 9%.

−$61.7K
457 sh @ $135
NBIX
Sell Onyia Jude · Chief Scientific Officer · Open-market sale · filed Jul 11, 2025 ΔOwn −77%

Onyia Jude sold $7.8M of NBIX, trimming their stake 77%.

−$7.8M
59,819 sh @ $130
NBIX
Sell Onyia Jude · Chief Scientific Officer · Open-market sale · filed Jul 7, 2025 ΔOwn −53%

Onyia Jude sold $2.65M of NBIX, trimming their stake 53%.

−$2.65M
20,362 sh @ $130
NBIX
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −3.9%

Cooke Julie sold $92.9K of NBIX, trimming their stake 4%.

−$92.9K
796 sh @ $117
NBIX
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −3.6%

Cooke Julie sold $88.2K of NBIX, trimming their stake 4%.

−$88.2K
755 sh @ $117
NBIX
Sell SHERWIN STEPHEN A · Director · Open-market sale · filed Feb 14, 2025 ΔOwn −56%

Sherwin Stephen A sold $1.61M of NBIX, trimming their stake 56%.

−$1.61M
13,831 sh @ $117
NBIX
Sell Onyia Jude · Chief Scientific Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −7.8%

Onyia Jude sold $167.3K of NBIX, trimming their stake 8%.

−$167.3K
1,432 sh @ $117
NBIX
Sell Onyia Jude · Chief Scientific Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −7.4%

Onyia Jude sold $168.9K of NBIX, trimming their stake 7%.

−$168.9K
1,447 sh @ $117
NBIX
Sell Delaet Ingrid · Chief Regulatory Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −15%

Delaet Ingrid sold $83.5K of NBIX, trimming their stake 15%.

−$83.5K
716 sh @ $117
NBIX
Sell Delaet Ingrid · Chief Regulatory Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −14%

Delaet Ingrid sold $88.1K of NBIX, trimming their stake 14%.

−$88.1K
755 sh @ $117
NBIX
Sell Boyer David W. · Chief Corp. Affairs Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −25%

Boyer David W. sold $111.5K of NBIX, trimming their stake 25%.

−$111.5K
955 sh @ $117
NBIX
Sell Boyer David W. · Chief Corp. Affairs Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −19%

Boyer David W. sold $96.8K of NBIX, trimming their stake 19%.

−$96.8K
830 sh @ $117
NBIX
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −3.7%

Abernethy Matt sold $158K of NBIX, trimming their stake 4%.

−$158K
1,352 sh @ $117
NBIX
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Feb 14, 2025 ΔOwn −3.3%

Abernethy Matt sold $140.9K of NBIX, trimming their stake 3%.

−$140.9K
1,206 sh @ $117
NBIX
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 12, 2025 ΔOwn −3.6%

Cooke Julie sold $82.8K of NBIX, trimming their stake 4%.

−$82.8K
700 sh @ $118
NBIX
Sell Boyer David W. · Chief Corp. Affairs Officer · Open-market sale · filed Feb 12, 2025 ΔOwn −26%

Boyer David W. sold $82.8K of NBIX, trimming their stake 26%.

−$82.8K
700 sh @ $118
NBIX
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Feb 12, 2025 ΔOwn −2.8%

Abernethy Matt sold $115.9K of NBIX, trimming their stake 3%.

−$115.9K
980 sh @ $118
NBIX
Sell Delaet Ingrid · Chief Regulatory Officer · Open-market sale · filed Feb 4, 2025 ΔOwn −15%

Delaet Ingrid sold $93K of NBIX, trimming their stake 15%.

−$93K
623 sh @ $149
NBIX
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 4, 2025 ΔOwn −4.6%

Cooke Julie sold $140K of NBIX, trimming their stake 5%.

−$140K
916 sh @ $153
NBIX
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 4, 2025 ΔOwn −4.3%

Cooke Julie sold $126K of NBIX, trimming their stake 4%.

−$126K
824 sh @ $153
NBIX
Sell Onyia Jude · Chief Scientific Officer · Open-market sale · filed Feb 4, 2025 ΔOwn −0.8%

Onyia Jude sold $19.3K of NBIX, trimming their stake 1%.

−$19.3K
126 sh @ $153
NBIX
Sell Delaet Ingrid · Chief Regulatory Officer · Open-market sale · filed Feb 4, 2025 ΔOwn −13%

Delaet Ingrid sold $64.6K of NBIX, trimming their stake 13%.

−$64.6K
422 sh @ $153
NBIX
Sell Boyer David W. · Chief Corp. Affairs Officer · Open-market sale · filed Feb 4, 2025 ΔOwn −45%

Boyer David W. sold $168.8K of NBIX, trimming their stake 45%.

−$168.8K
1,104 sh @ $153
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About NBIX insider activity

This page tracks every recent Form 4 filed for NEUROCRINE BIOSCIENCES INC with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

How often is NBIX insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for NEUROCRINE BIOSCIENCES INC usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.