William W. Burke - 09 Dec 2025 Form 4 Insider Report for Ceribell, Inc. (CBLL)

Reporting relationship: Director
Issuer ticker: CBLL
Reported as of: 09 Dec 2025
Net transaction value: -$590,585
SEC form: 4
Accepted by SEC: 11 Dec 2025, 16:48:00 UTC
Prior SEC filing: 14 Nov 2025
Next SEC filing: 08 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Louisa Daniels, Attorney-in-Fact for William W. Burke

Key filing fact

William W. Burke filed Form 4 for Ceribell, Inc. (CBLL) on 11 Dec 2025.

Key facts

This page summarizes William W. Burke's Form 4 filing for Ceribell, Inc. (CBLL).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 11 Dec 2025, 16:48.

Change

Previous filing in this sequence was filed on 14 Nov 2025.
Current net transaction value: -$590,585.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001200612 Primary reporting owner

BURKE WILLIAM W

Relationship: Director
Address: C/O CERIBELL, INC., 360 N. PASTORIA AVENUE, SUNNYVALE
Signature: /s/ Louisa Daniels, Attorney-in-Fact for William W. Burke
Signature date: 11 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CBLL transaction

Common Stock

Options Exercise

Transaction value: $21,985
Shares: +9,728
Change %: +56%
Price: $2.26
Shares after: 27,119
Date: 09 Dec 2025
Ownership: Direct
Footnotes: F1

CBLL transaction

Common Stock

Sale

Transaction value: $214,211
Shares: -9,728
Change %: -36%
Price: $22.02
Shares after: 17,391
Date: 09 Dec 2025
Ownership: Direct
Footnotes: F1, F2

CBLL transaction

Common Stock

Options Exercise

Transaction value: $108,100
Shares: +23,000
Change %: +132%
Price: $4.70
Shares after: 40,391
Date: 09 Dec 2025
Ownership: Direct
Footnotes: F1

CBLL transaction

Common Stock

Sale

Transaction value: $506,460
Shares: -23,000
Change %: -57%
Price: $22.02
Shares after: 17,391
Date: 09 Dec 2025
Ownership: Direct
Footnotes: F1, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CBLL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -9,728
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 09 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,728
Exercise price: $2.26
Footnotes: F1, F4

CBLL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -23,000
Change %: -48%
Price: $0.000000
Shares after: 25,151
Date: 09 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 23,000
Exercise price: $4.70
Footnotes: F1, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 5 footnotes

Footnote F1

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.23 to $22.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased or sold, as applicable, at each separate price within the ranges set forth in this footnote.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.2 to $23.05, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased or sold, as applicable, at each separate price within the ranges set forth in this footnote.

Footnote F4

The stock option is fully vested and currently exercisable.

Footnote F5

The option vests with respect to 1/48 of the shares subject thereto on each monthly anniversary of June 23, 2022, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.