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Ionis Pharmaceuticals Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -80.29. In total, the insiders bought 915.22K and sold 556.14K IONS 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
|
-80.29 |
| ● Buy | 915.22K shares |
| ● Sell | 556.14K shares |
|
66% Buy Activity
Strong Negative Correlation
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
May 14, 2026 Buy |
Monia Brett P Chief Executive Officer |
3 220 Value: $105.0K |
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May 14, 2026 Sell |
Monia Brett P Chief Executive Officer |
3 220 Value: $253.3K |
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May 14, 2026 Buy |
Monia Brett P Chief Executive Officer |
3 220 Value: $105.0K |
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May 13, 2026 Buy |
Monia Brett P Chief Executive Officer |
1 316 Value: $42.9K |
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May 13, 2026 Sell |
Monia Brett P Chief Executive Officer |
1 316 Value: $102.7K |
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May 13, 2026 Buy |
Monia Brett P Chief Executive Officer |
1 316 Value: $42.9K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
16 000 Value: $686.1K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
12 000 Value: $722.4K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
12 000 Value: $722.4K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
16 000 Value: $1.04M |
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May 04, 2026 Sell |
Loscalzo Joseph Director |
17 781 Value: $1.34M |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
12 000 Value: $480.6K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
10 968 Value: $417.4K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
10 321 Value: $424.0K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
10 321 Value: $424.0K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
12 000 Value: $480.6K |
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May 04, 2026 Sell |
Loscalzo Joseph Director |
59 508 Value: $4.46M |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
10 968 Value: $417.4K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
16 000 Value: $686.1K |
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May 04, 2026 Buy |
Loscalzo Joseph Director |
16 000 Value: $1.04M |
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May 01, 2026 Buy |
Klein Joseph Iii Director |
10 111 Value: $476.3K |
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May 01, 2026 Sell |
Klein Joseph Iii Director |
8 680 Value: $636.7K |
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May 01, 2026 Sell |
Klein Joseph Iii Director |
1 431 Value: $106.5K |
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|
May 01, 2026 Buy |
Klein Joseph Iii Director |
10 111 Value: $476.3K |
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|
Apr 28, 2026 Sell |
Baroldi Joseph EVP, Chief Business Officer |
1 626 Value: $116.7K |
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
