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Buy VIR
Vir Biotechnology Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -79.72. In total, the insiders bought 1.92M and sold 5.04M VIR 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
|
-79.72 |
| ● Buy | 1.92M shares |
| ● Sell | 5.04M shares |
|
30% Buy Activity
Negligible or No Correlation
|
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
Feb 22, 2026 Buy |
Sabatini Brent SVP, Chief Accounting Officer |
25 000 Value: $216.5K |
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|
Feb 22, 2026 Buy |
Eisner Mark EVP And Chief Medical Officer |
110 000 Value: $831.6K |
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Feb 22, 2026 Buy |
De Backer Marianne Chief Executive Officer |
285 000 Value: $2.47M |
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Feb 22, 2026 Buy |
De Backer Marianne Chief Executive Officer |
570 000 Value: $4.31M |
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|
Feb 13, 2026 Sell |
Sabatini Brent SVP, Chief Accounting Officer |
1 530 Value: $11.9K |
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|
Feb 02, 2026 Sell |
Sato Vicki L Director |
22 000 Value: $169.7K |
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Jan 02, 2026 Sell |
Sato Vicki L Director |
22 000 Value: $130.4K |
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|
Dec 01, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
191 854 Value: $1.15M |
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|
Dec 01, 2025 Sell |
Sato Vicki L Director |
22 000 Value: $132.1K |
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Nov 28, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
61 493 Value: $396.0K |
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Nov 26, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
127 938 Value: $817.7K |
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Nov 25, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
235 971 Value: $1.51M |
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Nov 24, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
227 803 Value: $1.40M |
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|
Nov 17, 2025 Sell |
O'byrne Jason EVP & Chief Financial Officer |
6 799 Value: $37.8K |
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|
Nov 05, 2025 Sell |
De Verneuil Vanina EVP, General Counsel, Corp Sec |
2 385 Value: $12.3K |
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Nov 03, 2025 Sell |
De Verneuil Vanina EVP And General Counsel |
1 365 Value: $8K |
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Nov 03, 2025 Sell |
Sato Vicki L Director |
22 000 Value: $124.0K |
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Oct 29, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
100 Value: $649 |
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|
Oct 28, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
24 453 Value: $159.0K |
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|
Oct 27, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
66 403 Value: $401.6K |
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|
Oct 24, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
46 696 Value: $278.3K |
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Oct 23, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
154 383 Value: $924.7K |
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|
Oct 22, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
144 266 Value: $887.7K |
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Oct 21, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
109 675 Value: $691.0K |
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Oct 20, 2025 Sell |
Svf Endurance (cayman) Ltd 10 Percent Owner |
220 535 Value: $1.37M |
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
