Michael Cloonan - Feb 6, 2025 Form 3 Insider Report for Sionna Therapeutics, Inc. (SION)

Signature
/s/ Jennifer Fitzpatrick, Attorney-in-Fact
Stock symbol
SION
Transactions as of
Feb 6, 2025
Transactions value $
$0
Form type
3
Date filed
2/6/2025, 09:09 PM
Previous filing
Oct 2, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding SION Common Stock 547K Feb 6, 2025 Direct

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
holding SION Stock Option (Right to Buy) Feb 6, 2025 Common Stock 332K $6.11 Direct F1
holding SION Stock Option (Right to Buy) Feb 6, 2025 Common Stock 657K $6.11 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares underlying this option vest in forty-eight equal monthly installments following February 2, 2022, subject to the Reporting Person's continued service on each such vesting date.
F2 The shares underlying this option vest in forty-eight equal monthly installments following March 4, 2024, subject to the Reporting Person's continued service on each such vesting date.

Remarks:

Exhibit 24 - Power of Attorney