Skip to main content

Coulter James G's Form 4 filing

Sionna Therapeutics, Inc. (SION) · filed Feb 12, 2025

Accession no.
0001999371-25-001562
Filed
Feb 12, 2025, 5:21 PM ET
Trade date
Feb 10, 2025
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 2 non-derivative transactions and 4 derivative transactions. Open-market purchases total $20.3M. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Coulter James GCIK 000109977610% Owner
Winkelried JonCIK 000136694610% Owner
TPG GP A, LLCCIK 000190379310% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Feb 10, 2025Common StockCConversionAcquired+4,875,547–F3–5,559,962Indirect
Feb 10, 2025Common StockPPurchaseAcquired+1,125,000$18.00+$20,250,0006,684,962Indirect

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Feb 10, 2025Common StockCConversionDisposed−873,503–F3–0Indirect
Feb 10, 2025Common StockCConversionDisposed−1,236,272–F3–0Indirect
Feb 10, 2025Common StockCConversionDisposed−1,557,408–F3–0Indirect
Feb 10, 2025Common StockCConversionDisposed−1,208,364–F3–0Indirect

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F3

Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, as amended, the shares of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock, in each case of the Issuer (collectively, the "Preferred Stock"), automatically converted into shares of Common Stock upon consummation of the Issuer's initial public offering on February 10, 2025 at a conversion rate (adjusted for a reverse stock split) equal to one share of Common Stock per 1.4611 share of Preferred Stock. The shares of Preferred Stock had previously been convertible, at the option of the holder, at any time into shares of Common Stock.

Referenced by the price of 1 transaction in Table I and 4 transactions in Table II.

Remarks

7. The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16a-3(j) under the Exchange Act. 8. Gerald Neugebauer is signing on behalf of Messrs. Coulter and Winkelried pursuant to authorization and designation letters dated January 10, 2024, which were previously filed with the Securities and Exchange Commission.

Read the full filing on SEC EDGAR (opens in a new tab)