Filing Manager
BRIAN G. ATWOOD
Reporting Manager
Brian G. Atwood
Symbol
CERO
Shares outstanding
3,020,955 shares
Disclosed Ownership
202,404 shares
Ownership
6.7%
Form type
SCHEDULE 13D/A
Filing time
07 Feb 2025, 17:21:44 UTC
Date of event
07 Feb 2025
Next filing
04 Apr 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Atwood-Edminster Trust dtd 4-2-2000 6.5% 196,074 0 196,074 /s/ Brian G. Atwood Brian G. Atwood/Trustee
Brian G. Atwood 6.7% 202,404 6,330 196,074 /s/ Brian G. Atwood Brian G. Atwood 0001266567
Lynne H. Edminster 6.5% 196,074 0 196,074 /s/ Brian G. Atwood, as attorney-in-fact for Lynne H. Edminster Brian G. Atwood