---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-007660"
form_type: "8-K"
ticker: "PHAT"
cik: "0001783183"
company_name: "Phathom Pharmaceuticals, Inc."
filed_at: "2026-01-08T23:59:59+00:00"
generated_at: "2026-05-16T11:14:24.858617+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Phathom Pharmaceuticals prices $130M public offering of common stock and pre-funded warrants

## Summary
- 6,875,000 shares of common stock at $16.00/share and pre-funded warrants for 1,250,078 shares at $15.999/warrant.
- Gross proceeds approximately $130M; underwriters have 30-day option for additional 1,218,761 shares.
- Net proceeds for general corporate purposes, including working capital and R&D.
- Offering expected to close on/about January 9, 2026; Guggenheim Securities and Cantor are joint bookrunners.

## SEC filing metadata
- accession: 0001193125-26-007660
- form_type: 8-K
- ticker: PHAT
- cik: 0001783183
- company_name: Phathom Pharmaceuticals, Inc.
- filed_at: 2026-01-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1783183/000119312526007660/0001193125-26-007660-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1783183/000119312526007660/d680858d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-007660
- JSON: https://secwatch.observer/filing/0001193125-26-007660.json
- Plain text: https://secwatch.observer/filing/0001193125-26-007660.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.