---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-364210"
form_type: "8-K"
ticker: "SEPN"
cik: "0001984086"
company_name: "Septerna, Inc."
filed_at: "2026-08-25T12:15:05+00:00"
generated_at: "2026-08-25T12:20:05.322349+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Septerna appoints Rajiv Patni, M.D., as Chief Medical Officer, effective Aug 24, 2026

## Summary
- Rajiv Patni, M.D., named CMO effective August 24, 2026; announcement press release dated August 25, 2026.
- Patni brings 25+ years in biopharma; joins from Judo Bio where he was CEO, previously CRO at Reata.
- He was CMO at Global Blood Therapeutics, Portola, Adamas, and Actelion; contributed to 10 regulatory approvals.
- CEO Jeffrey Finer: Patni's experience will help advance Septerna's GPCR oral medicine pipeline.

## SEC filing metadata
- accession: 0001193125-26-364210
- form_type: 8-K
- ticker: SEPN
- cik: 0001984086
- company_name: Septerna, Inc.
- filed_at: 2026-08-25T12:15:05+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1984086/000119312526364210/0001193125-26-364210-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1984086/000119312526364210/d172697d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-364210
- JSON: https://secwatch.observer/filing/0001193125-26-364210.json
- Plain text: https://secwatch.observer/filing/0001193125-26-364210.txt

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