Company: SION
Filing Date: 2025-02-03
Form Type: S-1/A
Source: 0001193125-25-018825
Chunk: 312

Company: Sionna Therapeutics, Inc.
Filing Date: 2025-02-03
Form: S-1/A
Chunk 312
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notes thereto that that none of the securities subject to such plan may
be transferred, sold or otherwise disposed of pursuant to such plan until after the expiration of the lock-up period; (b)(i) transfer the lock-up party’s Lock-Up Securities pursuant to a bona fide third-party tender offer, merger, consolidation or other similar transaction that is approved by the board of directors of the company and made to all holders of the
company’s capital stock involving a change of control of the company, in one transaction or a series of related transactions, to a person or group of affiliated persons, of shares of capital stock if, after such transfer, such person or group
of affiliated persons would hold at least a majority of the outstanding voting securities of the company (or the surviving entity) and (ii) enter into any lock-up, voting or similar agreement pursuant to
which the lock-up party may agree to transfer, sell, tender or otherwise dispose of common stock or such other securities in connection with a transaction described in clause (b)(i) above; provided that in the
event that such tender offer, merger, consolidation or other similar transaction is not completed, the lock-up party’s Lock-Up Securities shall remain subject to
the provisions of the lock-up agreement; and (c) convert outstanding preferred stock of the company into shares of common stock, provided that any such shares received upon such conversion shall remain
subject to the provisions of the lock-up agreement.

The restrictions on transfers or other dispositions by
us described above do not apply to us with respect to (i) the shares to be sold in this offering, (ii) shares of common stock or any securities convertible into, or exercisable for, shares of common stock (including, without limitation, options,
warrants, restricted stock or restricted stock units) outstanding as of the date of this prospectus and described in this prospectus, (iii) the grant of any shares of common stock or any securities convertible into, or exercisable for, shares of
common stock (including, without limitation, options, warrants, restricted stock or restricted stock units) pursuant to employee equity-based compensation plans, incentive plans, stock plans, dividend reinvestment plans or other arrangements in
place as of the date of this prospectus and described in this prospectus, (iv) the filing of a registration statement on Form S-8 in connection with the registration of securities issuable under any
employee equity-based compensation plan, incentive plan, stock plan or dividend reinvestment plan adopted and