Ceribell CFO exercises options, sells 652 shares

Ceribell’s chief financial officer exercised options and sold 652 shares in a pre-arranged Rule 10b5-1 plan transaction.

Rhea-AI Filing Summary

Ceribell, Inc. insider activity shows that on September 2, 2026, Chief Financial Officer Scott Blumberg exercised a fully vested stock option to acquire 652 shares of common stock at an exercise price of $9.41 per share and then sold 652 shares of common stock at $25.00 per share. After this option exercise, he continued to hold 52,648 stock options directly. All reported transactions were effected under a Rule 10b5-1 trading plan adopted on December 12, 2025.

Insider Trade Summary 10b5-1

Exercise and Sale: 652 shares ($10K approx. pre-tax spread)

Exercise and Sale 3 txns

Insider Blumberg Scott

Role Chief Financial Officer

Sold 652 shs ($16K)

Approx. gross sale proceeds $16K

Approx. exercise cost $6K

Approx. pre-tax spread $10K

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy) F1, F2	652	$0.00	$0.00
Exercise	Common Stock F1	652	$9.41	$6K
Sale	Common Stock F1	652	$25.00	$16K

Holdings After Transaction: Stock Option (Right to Buy) — 52,648 contracts (Direct); Common Stock — 146,600 shares (Direct)

Footnotes (2)

1. F1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 12, 2025.
2. F2. The stock option is fully vested and currently exercisable.

Key Figures

Shares acquired via option exercise: 652 shares Option exercise price: $9.41 per share Shares sold: 652 shares +4 more

7 metrics

Shares acquired via option exercise 652 shares Common stock acquired on September 2, 2026 through option exercise

Option exercise price $9.41 per share Exercise price for the 652-share stock option exercised on September 2, 2026

Shares sold 652 shares Common stock sold on September 2, 2026

Sale price $25.00 per share Price per share for the 652 shares of common stock sold on September 2, 2026

Options held after transaction 52,648 options Directly held stock options following the September 2, 2026 exercise

Option expiration date April 23, 2034 Expiration date of the stock option from which 652 shares were exercised

Rule 10b5-1 plan adoption date December 12, 2025 Date the CFO adopted the trading plan governing these transactions

Key Terms

Rule 10b5-1 trading plan, stock option, derivative security

3 terms

Rule 10b5-1 trading plan regulatory

"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

stock option financial

"The stock option is fully vested and currently exercisable."

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

FAQ

What insider trading activity did Ceribell (CBLL) report for its CFO on September 2, 2026?

Ceribell reported that its CFO, Scott Blumberg, exercised stock options for 652 shares of common stock at $9.41 per share and sold 652 shares of common stock at $25.00 per share on September 2, 2026.

Was the Ceribell (CBLL) insider transaction made under a Rule 10b5-1 plan?

Yes. The filing states the transactions "were effected pursuant to a Rule 10b5-1 trading plan" adopted by the reporting person on December 12, 2025, indicating they were pre-arranged under that plan.

How many Ceribell (CBLL) shares did the CFO sell and at what price?

The CFO sold 652 shares of Ceribell common stock at a price of $25.00 per share on September 2, 2026, according to the Form 4 disclosure.

What stock option exercise did the Ceribell (CBLL) CFO report?

He reported exercising a fully vested and currently exercisable stock option for 652 shares of Ceribell common stock at an exercise price of $9.41 per share, with the option expiring on April 23, 2034.

How many Ceribell (CBLL) stock options does the CFO hold after the reported transaction?

After the reported exercise, the CFO directly held 52,648 stock options, as shown by the post-transaction holdings figure tied to the option position.

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

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Available on EDGAR 09/04/2026 - 06:13 PM Accepted by SEC EDGAR 09/04/2026 - 06:12 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Blumberg Scott

(Last) (First) (Middle)

C/O CERIBELL, INC.

360 N. PASTORIA AVENUE

(Street)

SUNNYVALE CALIFORNIA 94085

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Ceribell, Inc. [ CBLL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/02/2026		M(1)		652	A	$9.41	147,252	D
Common Stock	09/02/2026		S(1)		652	D	$25	146,600	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$9.41	09/02/2026		M(1)			652	(2)	04/23/2034	Common Stock	652	$0	52,648	D

Explanation of Responses:

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 12, 2025.

2. The stock option is fully vested and currently exercisable.

	/s/ David Foehr, Attorney-in-Fact for Scott Blumberg	09/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)