Ceribell officer plans $21K stock sale

Rhea-AI Filing Summary

Ceribell, Inc. (CBLL) received a notice under Rule 144 that officer Scott E. Blumberg, through Fidelity Brokerage Services LLC, intends to sell 846 shares of Ceribell common stock, with an aggregate market value of $21,150.81, around September 15, 2026 on NASDAQ.

The notice states that 38,378,101 shares of Ceribell common stock were outstanding. The shares to be sold are tied to a stock options exercise for cash. The filing also lists prior sales by Scott E. Blumberg over the past three months.

Key Figures

Shares to be sold: 846 shares Aggregate market value of planned sale: $21,150.81 Shares outstanding: 38,378,101 shares +4 more

7 metrics

Shares to be sold 846 shares Ceribell common stock planned for sale under Rule 144

Aggregate market value of planned sale $21,150.81 Value of 846 Ceribell shares to be sold

Shares outstanding 38,378,101 shares Ceribell common stock outstanding as listed in the notice

Past sale 1 990 shares for $24,750.00 Sale of Ceribell common stock on August 18, 2026 by Scott E. Blumberg

Past sale 2 33,512 shares for $838,819.52 Sale of Ceribell common stock on August 19, 2026 by Scott E. Blumberg

Past sale 3 1,521 shares for $36,537.15 Sale of Ceribell common stock on August 21, 2026 by Scott E. Blumberg

Past sale 4 652 shares for $16,300.00 Sale of Ceribell common stock on September 2, 2026 by Scott E. Blumberg

Key Terms

Rule 144, aggregate market value, stock options exercise, securities to be sold, +1 more

5 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.

aggregate market value financial

"Common | Fidelity Brokerage Services LLC ... | 846 | 21150.81 | 38378101"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

stock options exercise financial

"Common | 09/15/2026 | Stock Options Exercise | Issuer"

securities to be sold financial

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months financial

"144: Securities Sold During The Past 3 Months"

FAQ

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

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

The Form 144 reports that Scott E. Blumberg, an officer of Ceribell, plans to sell 846 shares of common stock under Rule 144 through Fidelity Brokerage Services LLC, based on a recent stock option exercise for cash.

How many Ceribell (CBLL) shares are planned to be sold under this Form 144?

The notice states that 846 shares of Ceribell common stock are intended to be sold, with an aggregate market value of $21,150.81, expected around September 15, 2026 on NASDAQ.

How many Ceribell (CBLL) shares were outstanding according to this filing?

The filing lists 38,378,101 shares of Ceribell common stock outstanding, providing context for the 846 shares planned for sale under Rule 144.

What recent Ceribell (CBLL) share sales by Scott E. Blumberg are disclosed?

Over the past three months, the notice lists Blumberg’s sales of 990 shares for $24,750.00, 33,512 shares for $838,819.52, 1,521 shares for $36,537.15, and 652 shares for $16,300.00 of Ceribell common stock.

What is the source of the Ceribell (CBLL) shares to be sold in this Form 144?

The shares are reported as coming from a stock options exercise for cash, with 846 shares of Ceribell common stock to be sold after that exercise.

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

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Available on EDGAR 09/15/2026 - 04:37 PM Accepted by SEC EDGAR 09/15/2026 - 04:36 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	846	21150.81	38378101	09/15/2026	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	09/15/2026	Stock Options Exercise	Issuer			846	09/15/2026	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	08/18/2026	990	24750.00
Scott E Blumberg 360 N. Pastoria Avenue Sunnyvale CA 94085	Common	08/19/2026	33512	838819.52
Scott E Blumberg 360 N. Pastoria Avenue Sunnyvale CA 94085	Common	08/21/2026	1521	36537.15
Scott E Blumberg 360 N. Pastoria Avenue Sunnyvale CA 94085	Common	09/02/2026	652	16300.00

144: Remarks and Signature

Remarks
Date of Notice	09/15/2026
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/ Jennifer Ruchti, 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)