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Reporting owner

Cloonan Michael

Reporting owner CIK 0001704336 · President & CEO · Director

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These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.

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Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.Cloonan MichaelCloonan MichaelCloonan Michael · October 21, 2025 · Exercise / conversion · Common StockCloonan Michael · October 21, 2025 · Exercise / conversion · Common StockCloonan Michael · October 21, 2025 · Exercise / conversion · Common StockCloonan Michael · October 21, 2025 · Exercise / conversion · Common StockCloonan Michael · October 16, 2025 · Exercise / conversion · Common StockCloonan Michael · October 16, 2025 · Exercise / conversion · Common StockCloonan Michael · October 15, 2025 · Exercise / conversion · Common StockOct 15, 2025Oct 21, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

7 dated transactions · 1 of 1 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Oct 21, 2025Sionna Therapeutics, Inc.Common StockCloonan MichaelExercise / conversion
Oct 21, 2025Sionna Therapeutics, Inc.Common StockCloonan MichaelExercise / conversion
Oct 21, 2025Sionna Therapeutics, Inc.Common StockCloonan MichaelExercise / conversion
Oct 21, 2025Sionna Therapeutics, Inc.Common StockCloonan MichaelExercise / conversion
Oct 16, 2025Sionna Therapeutics, Inc.Common StockCloonan MichaelExercise / conversion
Oct 16, 2025Sionna Therapeutics, Inc.Common StockCloonan MichaelExercise / conversion
Oct 15, 2025Sionna Therapeutics, Inc.Common StockCloonan MichaelExercise / conversion

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Transactions in associated filings

Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedCompanyReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: Sionna Therapeutics, Inc.SION · company listings
Cloonan MichaelPresident & CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M33,5326.11Value: 204,880.52Currency not specifiedView ↗
Trade: Sionna Therapeutics, Inc.SION · company listings
Cloonan MichaelPresident & CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M22,8956.11Value: 139,888.45Currency not specifiedView ↗
Trade: Sionna Therapeutics, Inc.SION · company listings
Cloonan MichaelPresident & CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M30,0496.11Value: 183,599.39Currency not specifiedView ↗
Trade: Sionna Therapeutics, Inc.SION · company listings
Cloonan MichaelPresident & CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M13,3246.11Value: 81,409.64Currency not specifiedView ↗
Trade: Sionna Therapeutics, Inc.SION · company listings
Cloonan MichaelPresident & CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M2006.11Value: 1,222Currency not specifiedView ↗
Trade: Sionna Therapeutics, Inc.SION · company listings
Cloonan MichaelPresident & CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M10,2256.11Value: 62,474.75Currency not specifiedView ↗
Trade: Sionna Therapeutics, Inc.SION · company listings
Cloonan MichaelPresident & CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M14,7756.11Value: 90,275.25Currency not specifiedView ↗