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Buy NBIX
Neurocrine Biosciences Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -60.71. In total, the insiders bought 1M and sold 337.42K NBIX shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.
Insider Power
|
-60.71 |
| ● Buy | 1M shares |
| ● Sell | 337.42K shares |
|
77% Buy Activity
Negligible or No Correlation
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
Jun 01, 2026 Buy |
Onyia Jude Chief Scientific Officer |
11 000 Value: $932.1K |
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Jun 01, 2026 Buy |
Onyia Jude Chief Scientific Officer |
11 000 Value: $932.1K |
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|
Jun 01, 2026 Sell |
Onyia Jude Chief Scientific Officer |
11 000 Value: $1.76M |
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May 29, 2026 Sell |
Delaet Ingrid Chief Regulatory Officer |
2 261 Value: $354.3K |
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|
May 29, 2026 Buy |
Delaet Ingrid Chief Regulatory Officer |
2 261 Value: $178.7K |
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May 29, 2026 Buy |
Delaet Ingrid Chief Regulatory Officer |
2 261 Value: $178.7K |
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|
May 27, 2026 Buy |
Onyia Jude Chief Scientific Officer |
11 000 Value: $932.1K |
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|
May 27, 2026 Sell |
Onyia Jude Chief Scientific Officer |
11 000 Value: $1.71M |
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|
May 27, 2026 Buy |
Poon Christine A Director |
2 567 Value: $400.0K |
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May 27, 2026 Buy |
Lyons Gary A Director |
2 624 Value: $408.9K |
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May 27, 2026 Buy |
Gorman Kevin Charles Director |
5 248 Value: $817.8K |
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May 27, 2026 Buy |
Sherwin Stephen A Director |
2 567 Value: $400.0K |
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May 27, 2026 Buy |
Norwalk Leslie V Director |
1 284 Value: $200.1K |
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May 27, 2026 Buy |
Rastetter William H Director |
2 567 Value: $400.0K |
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May 27, 2026 Buy |
Norwalk Leslie V Director |
2 624 Value: $408.9K |
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May 27, 2026 Buy |
Sharp Shalini Director |
2 567 Value: $400.0K |
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May 27, 2026 Buy |
Morrow George J Director |
2 567 Value: $400.0K |
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May 27, 2026 Buy |
Pops Richard F Director |
2 567 Value: $400.0K |
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May 27, 2026 Buy |
Lyons Gary A Director |
1 284 Value: $200.1K |
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May 27, 2026 Buy |
Mercier Johanna Director |
2 567 Value: $400.0K |
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May 27, 2026 Buy |
Onyia Jude Chief Scientific Officer |
11 000 Value: $932.1K |
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|
May 26, 2026 Sell |
Boyer David W. Chief Corp. Affairs Officer |
3 888 Value: $609.0K |
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|
May 21, 2026 Buy |
Morrow George J Director |
3 318 Value: $515.9K |
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May 21, 2026 Buy |
Norwalk Leslie V Director |
1 659 Value: $258.0K |
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|
May 21, 2026 Buy |
Poon Christine A Director |
3 318 Value: $515.9K |
About Insider Power
Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.
It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.
While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.
* October 6th, 2025 - Tested on 5562 stocks
