Ceribell holder plans $119K Rule 144 stock sale

Rule 144 notice details planned resale of Ceribell common stock by Raymond Woo after an option exercise, including prior share sales.

Rhea-AI Filing Summary

Ceribell, Inc. (CBLL) is the issuer of common stock subject to a proposed resale under Rule 144 by Raymond Woo. A notice lists 4,887 shares of common stock held at Fidelity Brokerage Services LLC, with an aggregate market value of $118,900.71 as of September 8, 2026, to be sold on NASDAQ following a stock option exercise for cash. The notice also reports that Woo sold 1,979 shares of Ceribell common stock during the prior three months for $47,539.14. The filing is signed by Daniel Tucci as a duly authorized representative of Fidelity, acting as attorney-in-fact for Raymond Woo.

Key Figures

Shares covered by Rule 144 notice: 4,887 shares Aggregate market value of covered shares: $118,900.71 Shares sold in past three months: 1,979 shares +2 more

5 metrics

Shares covered by Rule 144 notice 4,887 shares Ceribell common stock referenced for potential sale as of September 8, 2026

Aggregate market value of covered shares $118,900.71 Value associated with the 4,887 Ceribell common shares as of September 8, 2026

Shares sold in past three months 1,979 shares Ceribell common stock sold by Raymond Woo on August 21, 2026

Proceeds from past three-month sale $47,539.14 Total for 1,979 Ceribell common shares sold on August 21, 2026

Planned sale date reference September 8, 2026 Date associated with the securities information and stock option exercise

Key Terms

Rule 144, Stock Option Exercise, attorney-in-fact, NASDAQ

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Stock Option Exercise financial

"Common | 09/08/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

attorney-in-fact regulatory

"as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Raymond Woo"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

NASDAQ market

"38378101 | 09/08/2026 | NASDAQ"

The Nasdaq is a stock exchange where many companies' shares are bought and sold, functioning much like a marketplace for investments. It matters to investors because it provides a platform to buy and sell ownership stakes in companies, helping them track the value of those companies and make informed decisions. As one of the largest and most technology-focused markets, it also reflects trends and developments in the business world.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filing disclose for Ceribell, Inc. (CBLL)?

It discloses that Raymond Woo plans to resell 4,887 shares of Ceribell common stock under Rule 144, relating to a stock option exercise, with the shares held at Fidelity Brokerage Services LLC and intended for sale on NASDAQ as of September 8, 2026.

How many Ceribell (CBLL) shares are covered in the planned Rule 144 sale?

The notice covers 4,887 shares of Ceribell common stock. These shares are associated with a stock option exercise and are held in an account at Fidelity Brokerage Services LLC for potential sale on NASDAQ as of September 8, 2026.

What is the reported market value of the Ceribell (CBLL) shares in the Form 144?

The Form 144 lists an aggregate market value of $118,900.71 for the 4,887 shares of Ceribell common stock referenced in the filing, as of September 8, 2026. This value is tied to the securities information section of the notice.

Were any Ceribell (CBLL) shares sold by Raymond Woo in the prior three months?

Yes. The filing states that 1,979 shares of Ceribell common stock were sold by Raymond Woo on August 21, 2026, for total proceeds of $47,539.14 during the past three months preceding the notice.

Who is executing the Ceribell (CBLL) Rule 144 sale for Raymond Woo?

The shares are held at Fidelity Brokerage Services LLC, and the Form 144 is signed by Daniel Tucci as a duly authorized representative of Fidelity, acting as attorney-in-fact for Raymond Woo in connection with this planned Rule 144 sale.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/08/2026 - 09:43 AM EDT Accepted by SEC EDGAR 09/08/2026 - 09:42 AM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002036112
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Ceribell, Inc.
SEC File Number	001-42364
Address of Issuer	360 N. PASTORIA AVENUE SUNNYVALE CALIFORNIA 94085
Phone	(800) 436-0826
Name of Person for Whose Account the Securities are To Be Sold	Woo Raymond
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	4887	118900.71	38378101	09/08/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/08/2026	Stock Option Exercise	Issuer			4887	09/08/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Raymond Woo 360 N. Pastoria Avenue Sunnyvale CA 94085	Common	08/21/2026	1979	47539.14

144: Remarks and Signature

Remarks
Date of Notice	09/08/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Raymond Woo
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)