Ceribell (CBLL) officer plans 33,512-share stock sale via Fidelity

Rhea-AI Filing Summary

Ceribell, Inc. (CBLL) is the issuer for a planned resale of its common stock by officer Scott E. Blumberg under Rule 144. The notice covers up to 33,512 shares of common stock to be sold through Fidelity Brokerage Services LLC, following acquisition via a stock option exercise for cash. The filing also lists prior sales of smaller share amounts by Blumberg within the preceding three months.

Key Figures

Shares proposed for sale: 33,512 shares Aggregate market value: $838,820.29 Shares outstanding: 38,378,101 shares +3 more

6 metrics

Shares proposed for sale 33,512 shares Common stock covered by the Rule 144 notice

Aggregate market value $838,820.29 Market value associated with the securities information section

Shares outstanding 38,378,101 shares Ceribell common shares outstanding as of 08/19/2026

Prior sale on 05/21/2026 1,387 shares; $24,960.31 Common stock sold by Scott E. Blumberg during the past 3 months

Prior sale on 08/18/2026 990 shares; $24,750.00 Additional common stock sale by Scott E. Blumberg during the past 3 months

Proposed sale date 08/19/2026 Date associated with the proposed Rule 144 transaction

Key Terms

Rule 144, Form 144, stock option exercise, attorney-in-fact

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.

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

stock option exercise financial

"Common | 08/19/2026 | 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 attorney-in-fact for Scott E. Blumberg"

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.

FAQ

What does Ceribell, Inc. (CBLL) disclose in this Form 144 filing?

Ceribell, Inc. discloses that officer Scott E. Blumberg has filed a Rule 144 notice covering a proposed sale of 33,512 shares of CBLL common stock through Fidelity Brokerage Services LLC, following acquisition via a stock option exercise for cash.

How many Ceribell (CBLL) shares are covered by Scott Blumberg’s proposed Rule 144 sale?

The notice covers up to 33,512 shares of Ceribell common stock. These shares are to be sold through Fidelity Brokerage Services LLC after being acquired via a stock option exercise, with the proposed sale date listed as 08/19/2026.

What prior Ceribell (CBLL) share sales by Scott Blumberg are reported in the last three months?

The filing lists two prior sales: 1,387 shares of common stock on 05/21/2026 for $24,960.31, and 990 shares on 08/18/2026 for $24,750.00, both attributed to Scott E. Blumberg.

What is the reported aggregate market value and outstanding shares for Ceribell (CBLL) in this notice?

The securities section reports an aggregate market value of $838,820.29 and 38,378,101 shares of Ceribell common stock outstanding as of 08/19/2026, providing context for the proposed Rule 144 sale.

Who is executing the proposed Ceribell (CBLL) Rule 144 sale and in what capacity?

The proposed sale is to be executed through Fidelity Brokerage Services LLC. The Form 144 is signed by Gary Redman as a duly authorized representative of Fidelity, acting as attorney-in-fact for Scott E. Blumberg.

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

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Available on EDGAR 08/19/2026 - 04:29 PM Accepted by SEC EDGAR 08/19/2026 - 04:29 PM 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	0002035786
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	Blumberg Scott
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	33512	838820.29	38378101	08/19/2026	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	08/19/2026	Stock Option Exercise	Issuer			33512	08/19/2026	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
Scott E. Blumberg 360 N. Pastoria Avenue Sunnyvale CA 94085	Common	05/21/2026	1387	24960.31
Scott E. Blumberg 360 N. Pastoria Avenue Sunnyvale CA 94085	Common	08/18/2026	990	24750.00

144: Remarks and Signature

Remarks
Date of Notice	08/19/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/12/2025
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/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Scott E. Blumberg
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)