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  4. [Form 4] Ceribell, Inc. Insider Trading Activity

Ceribell (CBLL) director sells 2,207 shares under Rule 10b5-1 plan

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Ceribell, Inc. director William W. Burke reported an open-market sale of 2,207 shares of Common Stock at a price of $19.84 per share. The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person. After this sale, Burke directly holds 23,022 Ceribell shares, indicating he retains a substantial ongoing equity position in the company.

Positive

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Negative

  • None.
Insider BURKE WILLIAM W
Role null
Sold 2,207 shs ($44K)
Type Security Shares Price Value
Sale Common Stock 2,207 $19.84 $44K
Holdings After Transaction: Common Stock — 23,022 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Shares sold 2,207 shares Open-market sale of Common Stock
Sale price $19.84 per share Price for the 2,207 shares sold
Shares held after transaction 23,022 shares Direct holdings after the sale
Net share change -2,207 shares Net shares sold in this Form 4
Transaction date June 30, 2026 Date of the reported sale
Rule 10b5-1 trading plan regulatory
"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."
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.
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.
Common Stock financial
"security_title: "Common Stock""
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
BURKE WILLIAM W
(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/30/2026S(1)2,207D$19.8423,022D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
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.
/s/ Louisa Daniels, Attorney-in-Fact for William W. Burke07/02/2026
** Signature of Reporting PersonDate
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

FAQ

What insider transaction did Ceribell (CBLL) director William W. Burke report?

Director William W. Burke reported selling 2,207 shares of Ceribell Common Stock. The sale was an open-market transaction at a price of $19.84 per share, documented in a Form 4 insider trading report filed with regulators.

At what price did the Ceribell (CBLL) director sell his shares?

William W. Burke sold his 2,207 Ceribell shares at $19.84 each. This price reflects an open-market transaction, meaning the shares were sold on the public market rather than through a private or company-arranged deal.

How many Ceribell (CBLL) shares does William W. Burke hold after the sale?

After the reported sale, William W. Burke directly holds 23,022 Ceribell shares. This post-transaction balance, disclosed in the Form 4, shows he continues to maintain a meaningful ownership stake in the company.

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

Yes. The Form 4 footnote states the transaction was effected under a Rule 10b5-1 trading plan. Such plans allow insiders to pre-schedule trades, helping separate routine portfolio management from discretionary timing decisions.

Does the Ceribell (CBLL) Form 4 show any option exercises or derivative trades?

No. The filing shows only a single non-derivative transaction: an open-market sale of Common Stock. The derivative summary section is empty, indicating no option exercises, warrant conversions, or other derivative trades were reported.