Filing Details

Accession Number:
0001213900-25-011405
Form Type:
13D Filing
Publication Date:
2025-02-06 19:00:00
Filed By:
Atwood-Edminster Trust dtd 4-2-2000
Company:
Cero Therapeutics Holdings Inc.
Filing Date:
2025-02-07
SEC Url:
13D Filing
Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Atwood-Edminster Trust dtd 4-2-2000 0 196,074 0 196,074 196,074 6.5%
Brian G. Atwood 6,330 196,074 6,330 196,074 202,404 6.7%
Lynne H. Edminster 0 196,074 0 196,074 196,074 6.5%
Filing





If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Percentage ownership is calculated based on 3,029,933 shares of Common Stock outstanding as of February 7, 2025, as reported by the Issuer in final prospectus, filed with the Securities and Exchange Commission (the "SEC") pursuant to Rule 424B under the Securities Act of 1933, as amended (the "Securities Act"), on February 7, 2025.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Consists of (i) 196,074 shares of Common Stock owned directly by the Atwood-Edminster Trust dtd 4-2-2000, of which Mr. Atwood is a trustee, (ii) 1,250 shares of Common Stock owned directly by Mr. Atwood and (iii) 5,080 shares of Common Stock issuable upon exercise of stock options owned directly by Mr. Atwood. (2) Percentage ownership is calculated based on 3,029,933 shares of Common Stock outstanding as of February 7, 2025, as reported by the Issuer in final prospectus, filed with the SEC pursuant to Rule 424B under the Securities Act on February 7, 2025.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Consists of 196,074 shares of Common Stock owned directly by the Atwood-Edminster Trust dtd 4-2-2000, of which Ms. Edminster is a trustee. (2) Percentage ownership is calculated based on 3,029,933 shares of Common Stock outstanding as of February 7, 2025, as reported by the Issuer in final prospectus, filed with the SEC pursuant to Rule 424B under the Securities Act on February 7, 2025.


SCHEDULE 13D

 
Atwood-Edminster Trust dtd 4-2-2000
 
Signature:/s/ Brian G. Atwood
Name/Title:Brian G. Atwood/Trustee
Date:02/07/2025
 
Brian G. Atwood
 
Signature:/s/ Brian G. Atwood
Name/Title:Brian G. Atwood
Date:02/07/2025
 
Lynne H. Edminster
 
Signature:/s/ Brian G. Atwood, as attorney-in-fact for Lynne H. Edminster
Name/Title:Brian G. Atwood
Date:02/07/2025