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Ceribell CTO Raymond Woo sells 4,887 shares

The option exercises and share sale were made under a trading plan adopted June 5, 2026.

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Form Type
4

Rhea-AI Filing Summary

On November 2, 2026, Ceribell, Inc. Chief Technology Officer Raymond Woo exercised options for 4,864 common shares at an exercise price of $3.65 per share and 23 common shares at $4.70 per share. He also reported selling 4,887 common shares at $26.96 per share. The transactions were effected pursuant to a Rule 10b5-1 trading plan adopted June 5, 2026; the options were fully vested and currently exercisable.

Insider Woo Raymond
Role Chief Technology Officer
Sold 4,887 shs ($132K)
Approx. gross sale proceeds $132K
Approx. exercise cost $18K
Approx. pre-tax spread $114K
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) F1, F2 4,864 $0.00 $0.00
Exercise Stock Option (Right to Buy) F1, F2 23 $0.00 $0.00
Exercise Common Stock F1 4,864 $3.65 $18K
Exercise Common Stock F1 23 $4.70 $108.10
Sale Common Stock F1 4,887 $26.96 $132K
Holdings After Transaction: Stock Option (Right to Buy) — 62,771 contracts (Direct); Common Stock — 203,118 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 June 5, 2026.
  2. F2. The stock option is fully vested and currently exercisable.
Option shares exercised 4,864 shares November 2, 2026; exercise price of $3.65 per share
Exercise price $3.65 per share Options for 4,864 shares exercised November 2, 2026
Option shares exercised 23 shares November 2, 2026; exercise price of $4.70 per share
Exercise price $4.70 per share Options for 23 shares exercised November 2, 2026
Shares sold 4,887 shares November 2, 2026
Sale price $26.96 per share Sale on November 2, 2026
Rule 10b5-1 trading plan regulatory
"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 (Right to Buy) financial
"Stock Option (Right to Buy)"
fully vested and currently exercisable financial
"The stock option is fully vested and currently exercisable."

FAQ

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

How many CBLL shares did Chief Technology Officer Raymond Woo sell?

Raymond Woo sold 4,887 shares of common stock on November 2, 2026, at $26.96 per share. The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted June 5, 2026.

What options did Raymond Woo exercise?

On November 2, 2026, Woo exercised options for 4,864 shares at $3.65 per share and 23 shares at $4.70 per share. Both option tranches were fully vested and currently exercisable.

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

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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*
Woo Raymond

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Technology Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
11/02/2026
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 Stock11/02/2026M(1)4,864A$3.65207,982D
Common Stock11/02/2026M(1)23A$4.7208,005D
Common Stock11/02/2026S(1)4,887D$26.96203,118D
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
Stock Option (Right to Buy)$3.6511/02/2026M(1)4,864 (2)06/10/2031Common Stock4,864$043,773D
Stock Option (Right to Buy)$4.711/02/2026M(1)23 (2)02/16/2033Common Stock23$018,998D
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 June 5, 2026.
2. The stock option is fully vested and currently exercisable.
/s/ Jessica Puathasnanon, Attorney-in-Fact for Raymond Woo11/04/2026
** 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)

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