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Submission
Jan. 05, 2026
Submission [Line Items]  
Central Index Key 0001783183
Registrant Name Phathom Pharmaceuticals, Inc.
Form Type S-3
Submission Type S-3ASR
Fee Exhibit Type EX-FILING FEES
Offering Table N/A
Offset Table N/A N/A
Combined Prospectus Table N/A N/A