PHAT catalyst calendar

Phathom Pharmaceuticals, Inc.

Upcoming catalysts
2
Cash runway
35 months
Cash & investments
$182M
Phase 3 programs
4

Phathom Pharmaceuticals, Inc. is tracked here for clinical trial milestones, SEC filings and earnings dates. Focus area: Pharmaceutical Preparations.

The next scheduled catalyst is Next quarterly earnings (projected) on December 15, 2026, a projected date rather than a confirmed one. There are 2 upcoming events on record.

Cash runway is approximately 35 months based on the most recent reported cash position and quarterly operating burn as of 2026-06-30.

Across 12 concluded trials, 92% reached completion rather than being terminated or withdrawn.

Upcoming catalysts

DateEventTypePhase
December 15, 2026 est. Next quarterly earnings (projected) Earnings —
October 20, 2027 A Study to Evaluate the Efficacy and Safety of Vonoprazan 10 mg Compared to Placebo for Relief of Episodic Heartburn in Participants With Symptomatic Non-Erosive Gastroesophageal Reflux Disease Through 24 Weeks Trial Milestone Phase 3

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Recent history

DateEventTypePhase
September 29, 2026 8-K filed: Other event Filing —
September 11, 2026 A Study in Adult Participants With EoE to Evaluate Vonoprazan 20 mg Compared to Placebo After 12 Weeks and to Evaluate Vonoprazan 20 mg Up to 24 Weeks Trial Milestone Phase 2
July 30, 2026 Quarterly results filed (8-K) Earnings —
June 23, 2026 8-K filed: Other event Filing —
April 30, 2026 Quarterly results filed (8-K) Earnings —
February 26, 2026 Quarterly results filed (8-K) Earnings —
January 8, 2026 8-K filed: Other event Filing —
January 7, 2026 Quarterly results filed (8-K) Earnings —
November 4, 2025 8-K filed: Other event Filing —
October 30, 2025 Quarterly results filed (8-K) Earnings —
October 27, 2025 8-K filed: Other event Filing —
October 6, 2025 8-K filed: Leadership change Corporate —
August 7, 2025 Quarterly results filed (8-K) Earnings —
June 16, 2025 8-K filed: Other event Filing —
June 6, 2025 8-K filed: Reg FD disclosure, Other event Filing —
May 1, 2025 Quarterly results filed (8-K) Earnings —
April 16, 2025 8-K filed: Leadership change Corporate —
April 5, 2025 A Study to Evaluate Two Vonoprazan Orally Disintegrating Tablet Formulations Administered Without Water or Mixed With Water and Administered Via a Syringe Relative to the Vonoprazan Tablet in Healthy Participants Trial Milestone Phase 1
September 13, 2024 A Study to Evaluate Vonoprazan Concentrations in Breast Milk of Healthy Lactating Women Receiving Vonoprazan 20 mg Once Daily or Vonoprazan 20 mg Twice Daily Trial Milestone Phase 1
April 16, 2024 A Study to Evaluate Vonoprazan in Children Who Have Symptomatic Gastroesophageal Reflux Disease Trial Milestone Phase 1
May 30, 2023 A Study to Evaluate the Pharmacokinetics, Pharmacodynamics and Safety of Vonoprazan in Adolescents With Symptomatic Gastroesophageal Reflux Disease Trial Milestone Phase 1
November 21, 2022 A Study to Evaluate the Efficacy and Safety of Vonoprazan Compared to Placebo for Relief of Heartburn in Participants With Symptomatic Non-Erosive Gastroesophageal Reflux Disease (NERD) Trial Milestone Phase 3
July 1, 2022 A Study to Determine the Bioavailability of Vonoprazan Sprinkle Capsules on Pudding or on Applesauce Relative to a Vonoprazan Tablet in Healthy Participants Trial Milestone Phase 1
December 16, 2021 A Study to Evaluate the Efficacy and Safety of Vonoprazan Compared to Placebo in Participants With Symptomatic Non-Erosive Gastroesophageal Reflux Disease Trial Milestone Phase 2
July 29, 2021 Efficacy and Safety of Vonoprazan Compared to Lansoprazole in Participants With Erosive Esophagitis Trial Milestone Phase 3
June 12, 2021 Study to Evaluate the Pharmacokinetics, Pharmacodynamics, and Safety of Vonoprazan and Lansoprazole in Healthy Participants Trial Milestone Phase 1
March 10, 2021 Efficacy and Safety of Vonoprazan Compared to Lansoprazole in Participants With Helicobacter Pylori Infection Trial Milestone Phase 3
November 13, 2020 Evaluation of Effect of Vonoprazan on Midazolam Pharmacokinetics in Healthy Participants Trial Milestone Phase 1

About this data

Trial milestones come from the ClinicalTrials.gov v2 API, filings from SEC EDGAR, and financial figures from SEC XBRL company facts. Dates marked est. are projected rather than company-confirmed. This is an information tool, not investment advice — verify anything you act on against the linked primary source.

Last updated 2026-10-14.