Key facts
- This page summarizes Michael Cloonan's Form 3 filing for Sionna Therapeutics, Inc. (SION).
- 0 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 06 Feb 2025, 21:09.
Michael Cloonan - 06 Feb 2025 Form 3 Insider Report for Sionna Therapeutics, Inc. (SION)
- Reporting relationship
- President & CEO, Director
- Issuer ticker
- SION
- Reported as of
- 06 Feb 2025
- Net transaction value
- $0
- SEC form
- 3
- Accepted by SEC
- 06 Feb 2025, 21:09:47 UTC
- Prior SEC filing
- 02 Oct 2024
- Next SEC filing
- 03 Jun 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Jennifer Fitzpatrick, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Michael Cloonan filed Form 3 for Sionna Therapeutics, Inc. (SION) on 06 Feb 2025.
Change
- Previous filing in this sequence was filed on 02 Oct 2024.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Official SEC source
View source filing
Ownership activity is grounded in SEC Form 3 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
SION
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 547,343
- Date
- 06 Feb 2025
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
SION
holding
Derivative
Stock Option (Right to Buy)
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 06 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 332,459
- Exercise price
- $6.11
- Footnotes
- F1
SION
holding
Derivative
Stock Option (Right to Buy)
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 06 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 656,984
- Exercise price
- $6.11
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote 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.
Footnote 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.
SEC remarks
Exhibit 24 - Power of Attorney