Company: SION
Filing Date: 2025-02-03
Form Type: S-1/A
Source: 0001193125-25-018825
Chunk: 288

Company: Sionna Therapeutics, Inc.
Filing Date: 2025-02-03
Form: S-1/A
Chunk 288
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) 684,415 shares of common stock held by The Rise Fund Sling, L.P., a Delaware limited partnership                                                                                                                                          
 (“RFS”), (ii) 873,503 shares of common stock issuable upon the conversion of Series Seed preferred stock held by RFS, (iii) 1,236,272 shares of common stock issuable upon the conversion of Series A preferred stock held by RFS, (iv)                   
 1,557,408 shares of common stock issuable upon the conversion of Series B preferred stock held by RFS, and (v) 1,208,364 shares of common stock issuable upon the conversion of Series C preferred stock held by The Rise Fund Sling II, L.P., a Delaware 
 limited partnership (“RFS II”). The general partner of each of RFS and RFS II is The Rise Fund SPV GP, LLC, a Delaware limited liability company, whose managing member is The Rise Fund GenPar, L.P., a Delaware limited partnership, whose              
 general partner is The Rise Fund GenPar Advisors, LLC, a Delaware limited liability company, whose sole member is TPG Operating Group I, L.P., a Delaware limited partnership, whose general partner is TPG Holdings                                      
 I-A, LLC, a Delaware limited liability company, whose sole member is TPG Operating Group II, L.P., a Delaware limited partnership, whose general partner is TPG Holdings                                                                                  
 II-A, LLC, a Delaware limited liability company, whose sole member is TPG GPCo, LLC, a Delaware limited liability company, whose sole member is TPG Inc., a Delaware corporation, whose shares of Class B                                                 
 common stock (which represent a majority of the combined voting power of the common stock) are held collectively by (i) TPG Group Holdings (SBS), L.P., a Delaware limited partnership, whose general partner is TPG Group Holdings (SBS) Advisors,       
 LLC, a Delaware limited liability                                                                                                                                                                                                                         |

205

| company, (ii) Alabama Investments (Parallel), LP, a Delaware limited partnership, whose general partner is Alabama Investments (Parallel) GP, LLC, a Delaware limited liability company                                                                   
 (“Alabama Investments”), (iii) Alabama Investments (Parallel) Founder A, LP, a Delaware limited partnership, whose general partner is Alabama Investments, and (iv) Alabama Investments (Parallel) Founder G, LP, a Delaware limited                      
 partnership, whose general partner is Alabama Investments. The managing member of each of TPG Group Holdings (SBS