Cero Therapeutics Holdings, Inc. SEC filings CEROW
Cero Therapeutics Holdings, Inc. has 445 filings in SEC EDGAR's recent list, going back to Jul 8, 2021. Its latest annual report, Form 10-K, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 7, 2026 (material agreement). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Material agreement
|
Oct 7, 2026 | Oct 6, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale
|
Aug 31, 2026 | Aug 27, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jul 17, 2026 | Jul 14, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jun 26, 2026 | Jun 23, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
May 29, 2026 | May 28, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
May 1, 2026 | Apr 27, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Apr 14, 2026 | Apr 8, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Mar 11, 2026 | Mar 6, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Auditor change, Officer or director change
|
Feb 13, 2026 | Feb 9, 2026 |
| 8-K |
Current report
Other events
|
Feb 4, 2026 | Feb 4, 2026 |
| 8-K |
Current report
Listing notice
|
Feb 3, 2026 | Jan 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 7, 2026 | Jan 7, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Dec 19, 2025 | Dec 19, 2025 |
| 8-K |
Current report
Material agreement
|
Dec 2, 2025 | Nov 26, 2025 |
| 8-K |
Current report
Listing notice, Other events
|
Oct 30, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Material agreement, Bylaw or fiscal year change, Other events
|
Oct 16, 2025 | Oct 14, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Oct 14, 2025 | Oct 14, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 22, 2025 | Sep 22, 2025 |
| 8-K |
Current report
Other events
|
Sep 5, 2025 | Sep 5, 2025 |
| 8-K |
Current report
Listing notice
|
Sep 4, 2025 | Aug 28, 2025 |
| 8-K |
Current report
Unregistered share sale
|
Jul 18, 2025 | Jul 18, 2025 |
| 8-K |
Current report
Material agreement
|
Jul 14, 2025 | Jul 11, 2025 |
| 8-K |
Current report
Other events
|
Jul 8, 2025 | Jul 7, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 30, 2025 | Jun 25, 2025 |
| 8-K |
Current report
Other events
|
Jun 17, 2025 | Jun 17, 2025 |
| 8-K |
Current report
Listing notice
|
Jun 13, 2025 | Jun 11, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Jun 11, 2025 | Jun 11, 2025 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jun 6, 2025 | Jun 5, 2025 |
| 8-K |
Current report
Officer or director change
|
Jun 2, 2025 | May 30, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 29, 2025 | May 29, 2025 |
| 8-K |
Current report
Other events
|
May 8, 2025 | May 7, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure
|
Apr 25, 2025 | Apr 22, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 22, 2025 | Apr 21, 2025 |
| 8-K |
Current report
Other events
|
Feb 12, 2025 | Feb 12, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 6, 2025 | Feb 5, 2025 |
| 8-K |
Current report
Other events
|
Jan 21, 2025 | Jan 17, 2025 |
| 8-K |
Current report
Unregistered share sale
|
Jan 10, 2025 | Jan 6, 2025 |
| 8-K |
Current report
Other events
|
Jan 7, 2025 | Jan 7, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Jan 6, 2025 | Jan 6, 2025 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Dec 31, 2024 | Dec 23, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Dec 6, 2024 | Dec 2, 2024 |
| 8-K |
Current report
Other events
|
Nov 18, 2024 | Nov 15, 2024 |
| 8-K |
Current report
Material agreement, Shareholder vote results
|
Nov 12, 2024 | Nov 8, 2024 |
| 8-K |
Current report
Listing notice
|
Nov 1, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Listing notice
|
Oct 25, 2024 | Oct 24, 2024 |
| 8-K |
Current report
Other events
|
Oct 21, 2024 | Oct 21, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Oct 11, 2024 | Oct 9, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Oct 2, 2024 | Sep 26, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Oct 2, 2024 | Sep 25, 2024 |
| 8-K |
Current report
Other events
|
Sep 26, 2024 | Sep 25, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Other events
|
Sep 25, 2024 | Sep 22, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 23, 2024 | Sep 17, 2024 |
| 8-K |
Current report
Other events
|
Sep 18, 2024 | Sep 18, 2024 |
| 8-K |
Current report
Other events
|
Sep 10, 2024 | Sep 10, 2024 |
| 8-K |
Current report
Other events
|
Jul 26, 2024 | Jul 26, 2024 |
| 8-K |
Current report
Listing notice
|
Jul 25, 2024 | Jul 19, 2024 |
| 8-K |
Current report
Listing notice
|
May 3, 2024 | May 2, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2024 | Apr 30, 2024 |
| 8-K/A |
Amended current report
Other events
|
Apr 2, 2024 | Feb 13, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Feb 28, 2024 | Feb 23, 2024 |
| 8-K/A |
Amended current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change in control, Officer or director change, Bylaw or fiscal year change
|
Feb 27, 2024 | Feb 13, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Change in control, Officer or director change, Bylaw or fiscal year change
|
Feb 15, 2024 | Feb 13, 2024 |
| 8-K |
Current report
Material agreement
|
Feb 14, 2024 | Feb 13, 2024 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Feb 12, 2024 | Feb 8, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Feb 6, 2024 | Feb 5, 2024 |
| 8-K |
Current report
Material agreement, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Jan 5, 2024 | Jan 3, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 11, 2023 | Dec 8, 2023 |
| 8-K |
Current report
Listing notice
|
Sep 8, 2023 | Sep 7, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 14, 2023 | Aug 11, 2023 |
| 8-K/A |
Amended current report
Other events
|
Jul 18, 2023 | Jul 7, 2023 |
| 8-K |
Current report
Material agreement, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Jul 10, 2023 | Jul 7, 2023 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jul 3, 2023 | Jul 3, 2023 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 5, 2023 | Jun 4, 2023 |
| 8-K |
Current report
Listing notice
|
Apr 7, 2023 | Apr 3, 2023 |
| 8-K |
Current report
Other events
|
Jan 27, 2023 | Jan 27, 2023 |
| 8-K |
Current report
Material agreement, New debt, Bylaw or fiscal year change, Shareholder vote results
|
Dec 20, 2022 | Dec 16, 2022 |
| 8-K |
Current report
Agreement ended, Regulation FD disclosure
|
Dec 7, 2022 | Dec 6, 2022 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 31, 2022 | Oct 30, 2022 |
| 8-K |
Current report
Other events
|
Oct 15, 2021 | Oct 8, 2021 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Oct 12, 2021 | Oct 5, 2021 |
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- CERO (OTC), CEROW (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- South San Francisco, CA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1870404
- Former names
- CERO THERAPEUTICS HOLDINGS, INC. (until Oct 7, 2026); PHOENIX BIOTECH ACQUISITION CORP. (until Feb 14, 2024)
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.