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Cero Therapeutics Holdings, Inc. (CERO)

Cero Therapeutics Holdings, Inc. (CERO) Insider Trading

Directors, officers and holders of more than 10% of CERO report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 60 transactions on file: 0 with code P, 7 with code S and 43 with other codes.

DateInsiderCodeShares
Mar 4, 2026Francois EricA Award1,823,278
Jan 7, 2026KUCHARCHUK ANDREW ALBERTA Award1,162,099
Jan 7, 2026Byrnes MichaelA Award690,900
Jan 7, 2026Rolfe LindseyA Award690,900
Jan 7, 2026LAPORTE KATHLEENA Award690,900
Jan 7, 2026Patel ShamiA Award690,900
Jan 7, 2026Pierce KristenA Award1,612,099
Jan 7, 2026ATWOOD BRIAN GA Award1,612,099
Jan 7, 2026Ehrlich Christopher BA Award4,530,997
May 30, 2025Rolfe LindseyA Award9,326
May 30, 2025KUCHARCHUK ANDREW ALBERTA Award152,500
May 30, 2025Pierce KristenA Award154,841
May 30, 2025ATWOOD BRIAN GA Award122,549
May 30, 2025Ehrlich Christopher BA Award61,843
May 30, 2025Byrnes MichaelA Award9,326
May 30, 2025Patel ShamiA Award11,693
May 30, 2025LAPORTE KATHLEENA Award9,326
Mar 31, 2025ATWOOD BRIAN GM Exercise294,460
Mar 31, 2025ATWOOD BRIAN GM Exercise14,723
Mar 4, 2025Ehrlich Christopher BA Award119,486
Mar 4, 2025LAPORTE KATHLEENA Award17,923
Mar 4, 2025Patel ShamiA Award14,936
Mar 4, 2025Rolfe LindseyA Award17,923
Mar 4, 2025Byrnes MichaelA Award17,923
Mar 4, 2025ATWOOD BRIAN GA Award14,936
Feb 24, 2025Rolfe LindseyA Award127,500
Feb 24, 2025Ehrlich Christopher BA Award1,275,000
Feb 24, 2025Byrnes MichaelA Award127,500
Feb 24, 2025Patel ShamiA Award127,500
Feb 24, 2025ATWOOD BRIAN GA Award254,000
Feb 24, 2025LAPORTE KATHLEENA Award127,500
Feb 7, 2025ATWOOD BRIAN GA Award204,080
Feb 7, 2025ATWOOD BRIAN GA Award204,080
Feb 7, 2025ATWOOD BRIAN GA Award306,120
Feb 7, 2025ATWOOD BRIAN GA Award306,120
Dec 13, 2024YK Bioventures Opportunities GP I, LLCS Sale1,499
Dec 12, 2024YK Bioventures Opportunities GP I, LLCS Sale807
Dec 11, 2024YK Bioventures Opportunities GP I, LLCS Sale672
Dec 10, 2024YK Bioventures Opportunities GP I, LLCS Sale785
Dec 9, 2024YK Bioventures Opportunities GP I, LLCS Sale425
Dec 6, 2024YK Bioventures Opportunities GP I, LLCS Sale618
Dec 2, 2024LAPORTE KATHLEENA Award127,500
Dec 2, 2024Ehrlich Christopher BA Award1,275,000
Dec 2, 2024Byrnes MichaelA Award127,500
Dec 2, 2024Rolfe LindseyA Award127,500
Dec 2, 2024ATWOOD BRIAN GA Award254,000
Dec 2, 2024Patel ShamiA Award127,500
Oct 10, 2024YK Bioventures Opportunities GP I, LLCS Sale1,625
Oct 1, 2024KUCHARCHUK ANDREW ALBERTA Award500,000
Oct 1, 2024Pierce KristenA Award200,000

The full Form 4 history is on the CERO company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.