Paul J. Clancy - Jun 12, 2025 Form 4 Insider Report for Sionna Therapeutics, Inc. (SION)

Role
Director
Signature
Jennifer Fitzpatrick, Attorney-in-Fact
Stock symbol
SION
Transactions as of
Jun 12, 2025
Transactions value $
$0
Form type
4
Date filed
6/16/2025, 05:06 PM
Previous filing
Jun 12, 2025
Next filing
Jul 2, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Clancy Paul J Director C/O SIONNA THERAPEUTICS, INC., 21 HICKORY DRIVE, SUITE 500, WALTHAM Jennifer Fitzpatrick, Attorney-in-Fact 2025-06-16 0001409601

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SION Non-Qualified Stock Option (right to buy) Award $0 +20K $0.00 20K Jun 12, 2025 Common Stock 20K $16.99 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option vests in full upon the earlier of June 12, 2026 or the date of the next annual meeting of Sionna Therapeutics, Inc., subject to the Reporting Person's continued service on such vesting date.