---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-089362"
form_type: "8-K"
ticker: "PFSA"
cik: "0001859807"
company_name: "Profusa, Inc."
filed_at: "2026-08-14T00:42:20+00:00"
generated_at: "2026-08-14T10:11:05.555625+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Profusa announces 1-for-4 reverse stock split effective Aug 17, 2026

## Summary
- 1-for-4 reverse stock split effective 12:01 a.m. ET Aug 17, 2026; trading on Nasdaq under PFSA with new CUSIP 74319X405.
- Outstanding shares reduced from 2,422,906 to ~605,726; authorized shares unchanged at 601 million.
- No fractional shares; cash paid in lieu based on closing price on effectiveness date.
- Stockholders approved split at June 23, 2026 annual meeting; board set ratio at 1:4.
- Historical per-share net loss restated post-split (e.g., FY2025 EPS from -$2,675.35 to -$10,703.02).

## SEC filing metadata
- accession: 0001213900-26-089362
- form_type: 8-K
- ticker: PFSA
- cik: 0001859807
- company_name: Profusa, Inc.
- filed_at: 2026-08-14T00:42:20+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1859807/000121390026089362/0001213900-26-089362-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1859807/000121390026089362/ea030148402-8k_profusa.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-089362
- JSON: https://secwatch.observer/filing/0001213900-26-089362.json
- Plain text: https://secwatch.observer/filing/0001213900-26-089362.txt

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