---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-309120"
form_type: "8-K"
ticker: "CERO"
cik: "0001870404"
company_name: "CERO THERAPEUTICS HOLDINGS, INC."
filed_at: "2022-12-20T23:59:59+00:00"
generated_at: "2026-06-21T02:02:12.275323+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# PBAX stockholders approve extension of business combination deadline to April 2023

## Summary
- Stockholders voted 20,111,798 for and 251,977 against the charter amendment extending the deadline.
- Charter amended to extend business combination period from Jan 8, 2023 to Apr 8, 2023, with up to three one-month extensions to July 8, 2023.
- Sponsor provided up to $1.5M promissory note; $325,000 deposited into trust for the first extension to Apr 8, 2023.
- Note is non-interest bearing, convertible into units at $10/unit upon a business combination, and repayable only from non-trust funds if no deal by July 8, 2023.
- Trust agreement amended to reflect the new deadlines and extension deposit requirements.

## SEC filing metadata
- accession: 0001193125-22-309120
- form_type: 8-K
- ticker: CERO
- cik: 0001870404
- company_name: CERO THERAPEUTICS HOLDINGS, INC.
- filed_at: 2022-12-20T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 5.07, 2.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1870404/000119312522309120/0001193125-22-309120-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1870404/000119312522309120/d423117d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-309120
- JSON: https://secwatch.observer/filing/0001193125-22-309120.json
- Plain text: https://secwatch.observer/filing/0001193125-22-309120.txt

## Key facts
- Governance Changes
  CERO THERAPEUTICS HOLDINGS, INC.: Amended charter to extend business combination period from January 8, 2023 to April 8, 2023 and allow board to further extend up to three additional one-month periods (effective 2022-12-20).
  - Change: charter amendment
  - Effective: 2022-12-20
  source text: On December 16, 2022, the Company’s stockholders approved an amendment (the “ Charter Amendment ”) to the Company’s amended and restated certificate of incorporation (the “ Charter ”) to extend the business combination period for an additional three months, from January 8, 2023 to April 8, 2023, and provide its board of directors the ability to further extend the date by which the Company has to consummate a business combination up to three additional times for one month each time, for a maximum of six additional months. On December 20, 2022, the Company filed the Charter Amendment with the Secretary of State of the State of Delaware.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1870404/000119312522309120/0001193125-22-309120-index.htm

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