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Buy REGN
Regeneron Pharmaceuticals Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -20.32. In total, the insiders bought 60.13K and sold 34.14K REGN 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
|
-20.32 |
| ● Buy | 60.13K shares |
| ● Sell | 34.14K shares |
|
29% Buy Activity
Weak Negative Correlation
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
Feb 09, 2026 Sell |
Ryan Arthur F Director |
1 Value: $783 |
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|
Feb 09, 2026 Sell |
Ryan Arthur F Director |
3 Value: $2K |
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Feb 09, 2026 Sell |
Ryan Arthur F Director |
1 Value: $786 |
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Feb 09, 2026 Sell |
Ryan Arthur F Director |
2 Value: $2K |
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|
Feb 09, 2026 Sell |
Ryan Arthur F Director |
1 Value: $788 |
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|
Feb 09, 2026 Sell |
Ryan Arthur F Director |
1 Value: $785 |
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Feb 09, 2026 Sell |
Ryan Arthur F Director |
5 Value: $4K |
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|
Feb 09, 2026 Sell |
Ryan Arthur F Director |
57 Value: $44.3K |
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Feb 09, 2026 Sell |
Ryan Arthur F Director |
12 Value: $9K |
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|
Feb 09, 2026 Sell |
Ryan Arthur F Director |
5 Value: $4K |
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|
Feb 09, 2026 Buy |
Pitofsky Jason SVP Controller |
1 000 Value: $492.0K |
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Feb 09, 2026 Sell |
Pitofsky Jason SVP Controller |
521 Value: $404.5K |
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Feb 09, 2026 Sell |
Pitofsky Jason SVP Controller |
563 Value: $438.2K |
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Feb 09, 2026 Sell |
Pitofsky Jason SVP Controller |
75 Value: $58.5K |
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|
Feb 09, 2026 Sell |
Pitofsky Jason SVP Controller |
26 Value: $20.3K |
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Feb 09, 2026 Sell |
Pitofsky Jason SVP Controller |
37 Value: $29.0K |
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Feb 09, 2026 Sell |
Pitofsky Jason SVP Controller |
144 Value: $112.8K |
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Feb 09, 2026 Sell |
Pitofsky Jason SVP Controller |
1 Value: $785 |
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|
Feb 09, 2026 Sell |
Pitofsky Jason SVP Controller |
53 Value: $41.6K |
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|
Feb 09, 2026 Buy |
Pitofsky Jason SVP Controller |
1 000 Value: $492.0K |
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|
Feb 09, 2026 Sell |
Ryan Arthur F Director |
1 Value: $776 |
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Feb 09, 2026 Sell |
Ryan Arthur F Director |
10 Value: $8K |
||
|
Feb 09, 2026 Sell |
Ryan Arthur F Director |
1 Value: $780 |
||
|
Jan 07, 2026 Sell |
Bassler Bonnie L Director |
1 500 Value: $1.20M |
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|
Jan 07, 2026 Buy |
Bassler Bonnie L Director |
1 500 Value: $561.2K |
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
