Ceribell CFO sells shares for RSU tax withholding

Ceribell, Inc. Chief Financial Officer Scott Blumberg reported a small share sale tied to compensation.

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Form Type

Rhea-AI Filing Summary

Ceribell, Inc. Chief Financial Officer Scott Blumberg reported a small share sale tied to compensation. He sold 1,387 shares of common stock at $18.00 per share to cover tax withholding obligations arising from the vesting of restricted stock units. After this transaction, he continues to hold 147,683 shares of Ceribell common stock directly, indicating this was a routine, tax-related disposition rather than a large reduction of his overall position.

Insider Trade Summary

Net Seller: 1,387 shares

Net Sell 1 txn

Insider Blumberg Scott

Role Chief Financial Officer

Sold 1,387 shs ($25K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,387	$18.00	$25K

Holdings After Transaction: Common Stock — 147,683 shares (Direct)

Footnotes (1)

F1. These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs").

Key Figures

Shares sold: 1,387 shares Sale price: $18.00 per share Shares held after transaction: 147,683 shares +1 more

4 metrics

Shares sold 1,387 shares Common stock sold on transaction date

Sale price $18.00 per share Price received for each share sold

Shares held after transaction 147,683 shares Direct ownership after sale

Net shares sold 1,387 shares Net change from this Form 4 (net-sell)

Key Terms

restricted stock units ("RSUs"), tax withholding obligations, open-market sale, Form 4

4 terms

restricted stock units ("RSUs") financial

"in connection with the vesting of restricted stock units ("RSUs")."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

tax withholding obligations financial

"sold by the Reporting Person to cover tax withholding obligations in connection"

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What insider transaction did Ceribell (CBLL) disclose for its CFO?

Ceribell disclosed that CFO Scott Blumberg sold 1,387 shares of common stock. The shares were sold at $18.00 each to satisfy tax withholding obligations from vesting restricted stock units, making this a compensation-related, not discretionary, sale.

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

The CFO sold 1,387 shares of Ceribell common stock at $18.00 per share. This transaction was specifically to cover tax withholding obligations related to restricted stock unit vesting, rather than a typical open-market portfolio adjustment.

Why did Ceribell’s CFO sell 1,387 CBLL shares?

The filing states the shares were sold to cover tax withholding obligations tied to vesting restricted stock units. Such tax-related dispositions are common with equity compensation and generally do not reflect a strategic change in the executive’s investment view.

How many Ceribell (CBLL) shares does the CFO hold after the sale?

Following the tax-related sale, CFO Scott Blumberg directly holds 147,683 shares of Ceribell common stock. This remaining stake shows that the 1,387-share disposition is small relative to his overall position and tied to compensation taxes.

Was the Ceribell (CBLL) CFO transaction an open-market sale?

The transaction is coded as an open-market sale, but the footnote specifies it was executed to cover tax withholding on vesting RSUs. That context indicates a routine, compensation-driven sale rather than a discretionary move to reduce exposure.

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

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Accepted by SEC EDGAR 05/26/2026 - 04:16 PM

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).

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)
05/21/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/21/2026		S⁽¹⁾		1,387	D	$18	147,683	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs").

	/s/ Louisa Daniels, Attorney-in-Fact for Scott Blumberg	05/26/2026
	** 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)

Source: View Original Filing on SEC EDGAR