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Sionna Therapeutics (SION) Insider Trading & Ownership

Sionna Therapeutics logo
$23.06 -1.49 (-6.07%)
As of 04:00 PM Eastern

Sionna Therapeutics (NASDAQ:SION) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
3.90%
Number Of
Insiders Buying
(Last 12 Months)
1
Amount Of
Insider Buying
(Last 12 Months)
$950.40K
Number Of
Insiders Selling
(Last 12 Months)
2
Amount Of
Insider Selling
(Last 12 Months)
$1.47M
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SION Insider Buying and Selling by Quarter

Sionna Therapeutics Insider and Congressional Trades History

Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
9/2/2025Elena RidloffCFOSell8,836$25.08$221,606.88  
8/29/2025Elena RidloffCFOSell748$25.18$18,834.64  
8/28/2025Elena RidloffCFOSell16,098$25.97$418,065.06  
8/27/2025Elena RidloffCFOSell3,618$25.10$90,811.80  
8/27/2025Michael CloonanCEOSell7,426$25.01$185,724.26  
8/26/2025Elena RidloffCFOSell3,700$25.13$92,981.00  
8/26/2025Michael CloonanCEOSell17,574$24.96$438,647.04  
6/27/2025Tpg Gp A, LlcMajor ShareholderBuy60,000$15.84$950,400.00  
(Data available from 1/1/2013 forward)

SION Insider Trading Activity - Frequently Asked Questions

The list of insiders at Sionna Therapeutics includes Elena Ridloff, Michael Cloonan, and Tpg Gp A, Llc. Learn more on insiders at SION.

3.90% of Sionna Therapeutics stock is owned by insiders. Learn more on SION's insider holdings.

The following insider purchased SION shares in the last 24 months: Tpg Gp A, Llc ($950,400.00).

Insiders have purchased a total of 60,000 SION shares in the last 24 months for a total of $950,400.00 bought.

The following insiders have sold SION shares in the last 24 months: Elena Ridloff ($842,299.38), and Michael Cloonan ($624,371.30).

Insiders have sold a total of 58,000 Sionna Therapeutics shares in the last 24 months for a total of $1,466,670.68 sold.



This page (NASDAQ:SION) was last updated on 9/4/2025 by MarketBeat.com Staff
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