Rebecca B. Robertson - 02 Jan 2026 Form 4 Insider Report for Ceribell, Inc. (CBLL)

Reporting relationship: Director
Issuer ticker: CBLL
Reported as of: 02 Jan 2026
Net transaction value: -$49,125
SEC form: 4
Accepted by SEC: 06 Jan 2026, 17:16:09 UTC
Prior SEC filing: 10 Dec 2025
Next SEC filing: 05 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Louisa Daniels, Attorney-in-Fact for Rebecca B. Robertson

Key filing fact

Rebecca B. Robertson filed Form 4 for Ceribell, Inc. (CBLL) on 06 Jan 2026.

Key facts

This page summarizes Rebecca B. Robertson's Form 4 filing for Ceribell, Inc. (CBLL).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 06 Jan 2026, 17:16.

Change

Previous filing in this sequence was filed on 10 Dec 2025.
Current net transaction value: -$49,125.

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 0001201585 Primary reporting owner

ROBERTSON REBECCA B

Relationship: Director
Address: C/O CERIBELL, INC., 360 N. PASTORIA AVENUE, SUNNYVALE
Signature: /s/ Louisa Daniels, Attorney-in-Fact for Rebecca B. Robertson
Signature date: 06 Jan 2026

Reported non-derivative transactions

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

CBLL transaction

Common Stock

Options Exercise

Transaction value: $5,600
Shares: +2,500
Change %: +13%
Price: $2.24
Shares after: 22,076
Date: 02 Jan 2026
Ownership: Direct
Footnotes: F1

CBLL transaction

Common Stock

Sale

Transaction value: $54,725
Shares: -2,500
Change %: -11%
Price: $21.89
Shares after: 19,576
Date: 02 Jan 2026
Ownership: Direct
Footnotes: F1

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: -2,500
Change %: -25%
Price: $0.000000
Shares after: 7,650
Date: 02 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,500
Exercise price: $2.24
Footnotes: F1, F2

^* 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 2 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 stock option is fully vested and currently exercisable.