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Buy SION
Sionna Therapeutics Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -92.44. In total, the insiders bought 1.22M and sold 2.92M SION 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
|
-92.44 |
| ● Buy | 1.22M shares |
| ● Sell | 2.92M shares |
|
20% Buy Activity
Strong Negative Correlation
|
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
Jul 07, 2026 Sell |
Orbimed Advisors Llc Director |
85 918 Value: $3.85M |
||
|
Jul 07, 2026 Sell |
Thompson Peter A. Director |
85 918 Value: $3.85M |
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|
Jul 06, 2026 Sell |
Fitzpatrick Jennifer Chief Legal Officer |
10 250 Value: $446.9K |
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|
Jul 06, 2026 Buy |
Fitzpatrick Jennifer Chief Legal Officer |
10 250 Value: $62.6K |
||
|
Jul 06, 2026 Buy |
Fitzpatrick Jennifer Chief Legal Officer |
10 250 Value: $62.6K |
||
|
Jun 30, 2026 Sell |
Orbimed Advisors Llc Director |
115 844 Value: $5.27M |
||
|
Jun 30, 2026 Sell |
Thompson Peter A. Director |
115 844 Value: $5.27M |
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|
Jun 17, 2026 Buy |
Booth Bruce Director |
17 340 Value: $636.9K |
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|
Jun 17, 2026 Buy |
Clancy Paul J Director |
17 340 Value: $636.9K |
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|
Jun 17, 2026 Buy |
Fleming Harold Edward Director |
17 340 Value: $636.9K |
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|
Jun 17, 2026 Buy |
Resnick Joshua Director |
17 340 Value: $636.9K |
||
|
Jun 17, 2026 Buy |
Ruddy Marcella K. Director |
17 340 Value: $636.9K |
||
|
Jun 17, 2026 Buy |
Ra Capital Management, L.p. |
17 340 Value: $636.9K |
||
|
Jun 17, 2026 Buy |
Thompson Peter A. Director |
17 340 Value: $636.9K |
||
|
Jun 17, 2026 Buy |
Viney Joanne L. Director |
17 340 Value: $636.9K |
||
|
Jun 17, 2026 Buy |
Stelzer Laurie Director |
17 340 Value: $636.9K |
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|
May 27, 2026 Sell |
Orbimed Advisors Llc Director |
101 Value: $4K |
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|
May 27, 2026 Sell |
Thompson Peter A. Director |
101 Value: $4K |
||
|
May 11, 2026 Sell |
Orbimed Advisors Llc Director |
184 639 Value: $8.53M |
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|
May 11, 2026 Sell |
Thompson Peter A. Director |
184 639 Value: $8.53M |
||
|
May 08, 2026 Sell |
Orbimed Advisors Llc Director |
59 767 Value: $2.66M |
||
|
May 08, 2026 Sell |
Thompson Peter A. Director |
59 767 Value: $2.66M |
||
|
May 07, 2026 Sell |
Orbimed Advisors Llc Director |
48 546 Value: $2.17M |
||
|
May 07, 2026 Sell |
Thompson Peter A. Director |
48 546 Value: $2.17M |
||
|
Apr 18, 2026 Sell |
Orbimed Advisors Llc Director |
2 948 Value: $131.2K |
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
