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Ceribell (CBLL) director Josef Parvizi discloses 25,000-share stock sale

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

Rhea-AI Filing Summary

Ceribell, Inc. director Josef Parvizi reported an insider stock sale. On 12/15/2025, a trust related to him sold 25,000 shares of Ceribell common stock at a weighted average price of $21.49 per share in transactions executed under a Rule 10b5-1 trading plan. After this sale, he indirectly held 772,652 shares through the Josef Parvizi Trust, 907,911 shares through the Innovation ACP Trust, and 369,088 shares through the ACP 2021 Trust. He serves as trustee or co-trustee of these trusts and may be deemed to have beneficial ownership of the securities, but disclaims beneficial ownership except to the extent of his pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider Parvizi Josef
Role Director
Sold 25,000 shs ($537K)
Type Security Shares Price Value
Sale Common Stock 25,000 $21.49 $537K
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 772,652 shares (Indirect, By Josef Parvizi Trust)
Footnotes (1)
  1. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21 to $21.92, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased or sold, as applicable, at each separate price within the ranges set forth in this footnote. The Reporting Person is the sole trustee of the Josef Parvizi Trust, and therefore may be deemed to have beneficial ownership of these securities. The Reporting Person is a co-trustee of the Innovation ACP Trust, and therefore may be deemed to share beneficial ownership of these securities. The Reporting Person is a co-trustee of the ACP 2021 Trust, and therefore may be deemed to share beneficial ownership of these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
Form 4 Insider Transactions: What Each Field Means →
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*
Parvizi Josef
(Last) (First) (Middle)
C/O CERIBELL, INC.
360 N. PASTORIA AVENUE
(Street)
SUNNYVALE CA 94085
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Ceribell, Inc. [ CBLL ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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 12/15/2025 S(1) 25,000 D $21.49(2) 772,652 I By Josef Parvizi Trust(3)(6)
Common Stock 907,911 I By Innovation ACP Trust(4)(6)
Common Stock 369,088 I By ACP 2021 Trust(5)(6)
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
Explanation of Responses:
1. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21 to $21.92, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased or sold, as applicable, at each separate price within the ranges set forth in this footnote.
3. The Reporting Person is the sole trustee of the Josef Parvizi Trust, and therefore may be deemed to have beneficial ownership of these securities.
4. The Reporting Person is a co-trustee of the Innovation ACP Trust, and therefore may be deemed to share beneficial ownership of these securities.
5. The Reporting Person is a co-trustee of the ACP 2021 Trust, and therefore may be deemed to share beneficial ownership of these securities.
6. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
/s/ Louisa Daniels, Attorney-in-Fact for Josef Parvizi 12/17/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Ceribell (CBLL) disclose in this filing?

The filing reports that director Josef Parvizi, through a related trust, sold 25,000 shares of Ceribell, Inc. common stock on 12/15/2025.

At what price were the Ceribell (CBLL) shares sold in this insider trade?

The 25,000 shares were sold at a weighted average price of $21.49 per share, in multiple trades between $21 and $21.92.

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

Yes. The filing states the transaction was effected under a Rule 10b5-1 trading plan adopted by the reporting person.

How many Ceribell (CBLL) shares does Josef Parvizi beneficially own after the transaction?

After the sale, he indirectly holds 772,652 shares via the Josef Parvizi Trust, 907,911 shares via the Innovation ACP Trust, and 369,088 shares via the ACP 2021 Trust.

What is Josef Parvizi’s relationship to Ceribell (CBLL)?

He is listed as a director of Ceribell, Inc. and the filing is made as a Form filed by one reporting person.

How does the filing describe Josef Parvizi’s beneficial ownership of Ceribell (CBLL) shares?

The filing notes he is trustee or co-trustee of the reporting trusts and may be deemed to have beneficial ownership, but he disclaims beneficial ownership except to the extent of his pecuniary interest.