Sec Form 3 Filing - Shavit Sigalit @ Cellebrite DI Ltd. - 2026-03-18

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Shavit Sigalit 2. Issuer Name and Ticker or Trading Symbol Cellebrite DI Ltd. [ CLBT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Information Officer (Last) (First) (Middle) 94 SHLOMO SHMELZER ROAD 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2026 (Street) PETAH TIKVA4970602 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Ordinary shares, par value NIS 0.00001 ("Ordinary Shares") 82,738 ( 1 ) ( 2 ) ( 3 ) ( 4 ) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Stock options $ 12.73 ( 5 ) 08/08/2034 Ordinary Shares 31,421 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Shavit Sigalit 94 SHLOMO SHMELZER ROAD PETAH TIKVA4970602 Chief Information Officer Signatures /s/ Sigalit Shavit 03/18/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 19,560 Ordinary Shares that are represented by restricted share units ("RSUs") that were granted on August 8, 2024, of which 1,956 vest on each of May 8, 2026 and every three months thereafter through August 8, 2028. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer upon settlement. ( 2 )Includes 3,132 Ordinary Shares that are represented by RSUs that were granted on February 11, 2025, of which 261 vest on each of May 11, 2026 and every three months thereafter through February 11, 2029. ( 3 )Includes 11,740 Ordinary Shares that are represented by performance share units ("PSUs") that were granted on August 8, 2024, and vest based on the Issuer meeting certain total shareholder return thresholds for 60 consecutive trading days through August 8, 2028. Each PSU represents a contingent right to receive one Ordinary Share of the Issuer upon vesting and settlement. ( 4 )Includes 31,593 Ordinary Shares that are represented by RSUs that were granted on February 10, 2026 and vest as follows: 7,905 vest on the one year anniversary of the grant date and 1,974 vest every three months thereafter through February 10, 2030. ( 5 )Of these stock options, 11,791 are fully vested and exercisable and 1,963 vest on each of May 8, 2026 and every three months thereafter through August 8, 2028.

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).

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