---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-051981"
form_type: "8-K"
ticker: "OM"
cik: "0001484612"
company_name: "Outset Medical, Inc."
filed_at: "2025-03-11T23:59:59+00:00"
generated_at: "2026-05-24T23:31:07.537432+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Outset Medical Series A conversion adds 210.7M shares; total common now 265.5M

## Summary
- On March 7, 2025, issued 19,432 Series A Non-Voting Convertible Preferred shares to directors, officers, and employees after stockholder approval.
- On March 10, 2025, 842,753 Series A shares converted into 210,688,250 common shares, raising outstanding common to 265,493,926.
- Certificate of Correction filed to fix a scrivener's error in the Series A conversion formula (numerator/denominator swap).
- After conversion, 20,587 Series A preferred shares remain outstanding.
- Issuance and conversion follow stockholder approval at the March 5, 2025 special meeting.

## SEC filing metadata
- accession: 0001193125-25-051981
- form_type: 8-K
- ticker: OM
- cik: 0001484612
- company_name: Outset Medical, Inc.
- filed_at: 2025-03-11T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1484612/000119312525051981/0001193125-25-051981-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1484612/000119312525051981/d939182d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-051981
- JSON: https://secwatch.observer/filing/0001193125-25-051981.json
- Plain text: https://secwatch.observer/filing/0001193125-25-051981.txt

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