---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-054709"
form_type: "8-K/A"
ticker: "SRTA"
cik: "0001779128"
company_name: "Strata Critical Medical, Inc."
filed_at: "2025-12-02T23:59:59+00:00"
generated_at: "2026-05-16T15:45:41.122287+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Strata Critical Medical amends 8-K to include Keystone financials; acquisition closed

## Summary
- Acquisition of Keystone Perfusion Services closed Sep 16, 2025; all equity interests acquired.
- Keystone's audited FY2024: revenue $42.9M, net income $2.97M, total assets $16.9M.
- Amendment adds historical audited and unaudited financials of Keystone and pro forma combined statements.
- Sale of Passenger business to Joby Aero also referenced as part of overall transactions.
- Pro forma financials for FY2024, FY2023, and nine months ended Sep 30, 2025 filed as Exhibit 99.3.

## SEC filing metadata
- accession: 0001628280-25-054709
- form_type: 8-K/A
- ticker: SRTA
- cik: 0001779128
- company_name: Strata Critical Medical, Inc.
- filed_at: 2025-12-02T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 9.01, 2.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1779128/000162828025054709/0001628280-25-054709-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1779128/000162828025054709/srta-20250916.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-054709
- JSON: https://secwatch.observer/filing/0001628280-25-054709.json
- Plain text: https://secwatch.observer/filing/0001628280-25-054709.txt

## Source-grounded claims
- claim_id: 70355f7ff99b524103e006e17c0b7aab39a29dd8
  claim: Strata Critical Medical, Inc. completed an acquisition involving Keystone Perfusion Services, LLC (closed 2025-09-16).
  evidence_excerpt: the completion of the acquisition of Keystone Perfusion Services, LLC ("Keystone") by way of acquiring all the issued and outstanding equity interests of Keystone
  evidence_url: https://www.sec.gov/Archives/edgar/data/1779128/000162828025054709/0001628280-25-054709-index.htm

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