Companies / Cero Therapeutics Holdings, Inc.

Cero Therapeutics Holdings, Inc.

OTC: CEROCIK 1870404SOUTH SAN FRANCISCO, CA

Financials

Revenue—
Net income$-19.92M
Total debt$136.8K
Cash$1.90M
Diluted EPS$-18.15
Shares outstanding45.1M

Ownership

45.1M shares outstanding · as of May 14, 2026
4.1%10%+ / strategic
Ownership
10%+ / strategic4.06%1,830,007
Institutions0.00%3
Public float95.94%43,282,396

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 8

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Insider% of sharesShares
Atwood Brian GDirector
——
Byrnes MichaelDirector
——
Ehrlich Christopher BCEOChairman and CEO · Director
——
Kucharchuk Andrew AlbertFormerChief Financial Officer
——
Laporte KathleenDirector
——
Patel ShamiDirector
——
Pierce KristenChief Development Officer
——
Rolfe LindseyDirector
——

Institutional holders 1

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HolderValue% of shares
Bank of America Corp /De$15<0.01%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 7, 2026Pierce Kristen
Executive
GrantStock Option (Right to Buy)—+1.6M
1,612,099
3.57% of shares
low
Jan 7, 2026Kucharchuk Andrew Albert
Executive
GrantStock Option (Right to Buy)—+1.2M
1,162,099
2.58% of shares
low
Jan 7, 2026Rolfe Lindsey
Director
GrantStock Option (Right to Buy)—+691K
690,900
1.53% of shares
low
Jan 7, 2026Byrnes Michael
Director
GrantStock Option (Right to Buy)—+691K
690,900
1.53% of shares
low
Jan 7, 2026Patel Shami
Director
GrantStock Option (Right to Buy)—+691K
690,900
1.53% of shares
low
Jan 7, 2026Ehrlich Christopher B
CEO
GrantStock Option (Right to Buy)—+4.5M
4,530,997
10.04% of shares
low
Jan 7, 2026Atwood Brian G
Director
GrantStock Option (Right to Buy)—+1.6M
1,612,099
3.57% of shares
low
Jan 7, 2026Laporte Kathleen
Director
GrantStock Option (Right to Buy)—+691K
690,900
1.53% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Tibbs IsaiahPassive13G—1,830,007—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
CEROCommon StockEquity71902K402BBG012LSLG64