InsiderSource
NBIX

NEUROCRINE BIOSCIENCES INC

SEC CIK 914475
$159.76 +15.9% · 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
232
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: Cooke Julie, with 55 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for NBIX, newest first
View on SEC EDGAR ↗
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Boyer David W. · Chief Corp. Affairs Officer · Open-market sale · filed Nov 2, 2022 ΔOwn −31%

Boyer David W. sold $147.8K of NBIX, trimming their stake 31%.

−$147.8K
1,295 sh @ $114
NBIX
NEUROCRINE BIOSCIENCES INC
Sell LYONS GARY A · Director · Open-market sale · filed Oct 5, 2022 ΔOwn −2.4%

Lyons Gary A sold $552.7K of NBIX, trimming their stake 2%.

−$552.7K
5,000 sh @ $111
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Boyer David W. · Chief Corp. Affairs Officer · Open-market sale · filed Oct 5, 2022 ΔOwn −25%

Boyer David W. sold $153.2K of NBIX, trimming their stake 25%.

−$153.2K
1,437 sh @ $107
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Aug 9, 2022 ΔOwn −11%

Cooke Julie sold $181.6K of NBIX, trimming their stake 11%.

−$181.6K
1,816 sh @ $100
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Jun 29, 2022 ΔOwn −4.3%

Cooke Julie sold $75.4K of NBIX, trimming their stake 4%.

−$75.4K
754 sh @ $100
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NBIX
NEUROCRINE BIOSCIENCES INC
Sell POPS RICHARD F · Director · Open-market sale · filed May 11, 2022 ΔOwn −20%

Pops Richard F sold $572.2K of NBIX, trimming their stake 20%.

−$572.2K
7,500 sh @ $76
NBIX
NEUROCRINE BIOSCIENCES INC
Sell POPS RICHARD F · Director · Open-market sale · filed May 11, 2022 ΔOwn −20%

Pops Richard F sold $572.3K of NBIX, trimming their stake 20%.

−$572.3K
7,500 sh @ $76
NBIX
NEUROCRINE BIOSCIENCES INC
Sell LYONS GARY A · Director · Open-market sale · filed Apr 27, 2022 ΔOwn −6.7%

Lyons Gary A sold $1.39M of NBIX, trimming their stake 7%.

−$1.39M
15,000 sh @ $93
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Boyer David W. · Chief Corp. Affairs Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −19%

Boyer David W. sold $55.7K of NBIX, trimming their stake 19%.

−$55.7K
700 sh @ $80
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −3.9%

Cooke Julie sold $55.7K of NBIX, trimming their stake 4%.

−$55.7K
700 sh @ $80
NBIX
NEUROCRINE BIOSCIENCES INC
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −4.6%

Abernethy Matt sold $78.1K of NBIX, trimming their stake 5%.

−$78.1K
980 sh @ $80
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Boyer David W. · Chief Corp. Affairs Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −9.5%

Boyer David W. sold $19.5K of NBIX, trimming their stake 9%.

−$19.5K
240 sh @ $81
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −3.8%

Cooke Julie sold $48.7K of NBIX, trimming their stake 4%.

−$48.7K
605 sh @ $81
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −5.3%

Cooke Julie sold $73.7K of NBIX, trimming their stake 5%.

−$73.7K
913 sh @ $81
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −3.7%

Cooke Julie sold $51.6K of NBIX, trimming their stake 4%.

−$51.6K
640 sh @ $81
NBIX
NEUROCRINE BIOSCIENCES INC
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −10%

Abernethy Matt sold $164K of NBIX, trimming their stake 10%.

−$164K
2,030 sh @ $81
NBIX
NEUROCRINE BIOSCIENCES INC
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Feb 9, 2022 ΔOwn −6.2%

Abernethy Matt sold $103.4K of NBIX, trimming their stake 6%.

−$103.4K
1,280 sh @ $81
NBIX
NEUROCRINE BIOSCIENCES INC
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Dec 3, 2021 ΔOwn −9.1%

Abernethy Matt sold $135.9K of NBIX, trimming their stake 9%.

−$135.9K
1,645 sh @ $83
NBIX
NEUROCRINE BIOSCIENCES INC
Sell LYONS GARY A · Director · Open-market sale · filed Oct 12, 2021 ΔOwn −2.3%

Lyons Gary A sold $525.3K of NBIX, trimming their stake 2%.

−$525.3K
5,000 sh @ $105
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Oct 6, 2021 ΔOwn −6.2%

Cooke Julie sold $100.4K of NBIX, trimming their stake 6%.

−$100.4K
987 sh @ $102
NBIX
NEUROCRINE BIOSCIENCES INC
Sell LYONS GARY A · Director · Open-market sale · filed Jun 14, 2021 ΔOwn −4.5%

Lyons Gary A sold $1M of NBIX, trimming their stake 4%.

−$1M
10,000 sh @ $100
NBIX
NEUROCRINE BIOSCIENCES INC
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Feb 9, 2021 ΔOwn −6.3%

Abernethy Matt sold $102.8K of NBIX, trimming their stake 6%.

−$102.8K
880 sh @ $117
NBIX
NEUROCRINE BIOSCIENCES INC
Sell ABERNETHY MATT · Chief Financial Officer · Open-market sale · filed Feb 9, 2021 ΔOwn −12%

Abernethy Matt sold $237.1K of NBIX, trimming their stake 12%.

−$237.1K
2,030 sh @ $117
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 9, 2021 ΔOwn −3.2%

Cooke Julie sold $49.6K of NBIX, trimming their stake 3%.

−$49.6K
425 sh @ $117
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 9, 2021 ΔOwn −6.2%

Cooke Julie sold $106.6K of NBIX, trimming their stake 6%.

−$106.6K
913 sh @ $117
NBIX
NEUROCRINE BIOSCIENCES INC
Sell Cooke Julie · Chief Human Resources Officer · Open-market sale · filed Feb 9, 2021 ΔOwn −4.8%

Cooke Julie sold $68.9K of NBIX, trimming their stake 5%.

−$68.9K
605 sh @ $114
NBIX
NEUROCRINE BIOSCIENCES INC
Sell LYONS GARY A · Director · Open-market sale · filed Jan 27, 2021 ΔOwn −0.7%

Lyons Gary A sold $192K of NBIX, trimming their stake 1%.

−$192K
1,600 sh @ $120
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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.