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SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person*
CLAMMER ADAM

(Last) (First) (Middle)
FOUR EMBARCADERO CENTER
SUITE 2100

(Street)
SAN FRANCISCO CA 94111

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
Cellebrite DI Ltd. [ CLBT ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) X Other (specify below)
Chair of the Board
5. 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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares 71,396(1) D
Ordinary Shares 13,861,007(2) I By TWC Tech Holdings II, LLC(3)(4)
Ordinary Shares 375,000 I By Long Term Trust(4)
Ordinary Shares 375,000 I By Joint Revocable Trust(4)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Includes 10,601 time-based restricted stock units ("RSUs") granted under the Cellebrite DI Ltd. (the "Issuer") 2021 Share Incentive Plan which vest on September 17, 2026.
2. Includes 1,500,000 ordinary shares of the Issuer subject to transfer restrictions pending the satisfaction of certain performance-based vesting conditions.
3. As one of the managing members of the ultimate controlling entity of TWC Tech Holdings II, LLC, Mr. Clammer may be deemed to have shared beneficial ownership of the securities held directly by TWC Tech Holdings II, LLC.
4. Mr. Clammer disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, Mr. Clammer states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.
Remarks:
Exhibit List: Exhibit 24 - Power of Attorney.
/s/ Sara Bockey, Attorney-in-Fact 03/18/2026
** 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 5 (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.