Sec Form 3 Filing - Trost Nahum @ Caesarstone 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 Trost Nahum 2. Issuer Name and Ticker or Trading Symbol Caesarstone Ltd. [ CSTE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) KIBBUTZ SDOT-YAM 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2026 (Street) SDOT-YAM, MP MENASHE3780400 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 9,800 ( 1 ) I By Trust Ordinary Shares 7,600 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 Option $ 13.31 ( 2 ) 07/12/2028 Ordinary Shares 40,000 I By Trust Stock Option $ 9.12 ( 3 ) 09/20/2029 Ordinary Shares 6,000 I By Trust Stock Option $ 4.31 ( 4 ) 09/18/2030 Ordinary Shares 6,000 I By Trust Stock Option $ 4.1 ( 5 ) 02/18/2031 Ordinary Shares 34,000 I By Trust Stock Option $ 5.94 ( 6 ) 05/07/2031 Ordinary Shares 1,400 I By Trust Stock Option $ 1.6 ( 7 ) 12/15/2032 Ordinary Shares 28,700 I By Trust

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Trost Nahum KIBBUTZ SDOT-YAM SDOT-YAM, MP MENASHE3780400 Chief Financial Officer Signatures /s/ Nahum Trost 03/18/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Ordinary Shares, subject to the Reporting Person's continued service through the applicable vesting date. Of the RSUs reported herein, 9,125 are fully vested. The remaining RSUs vest as follows: 225 RSUs vest on September 21, 2026; and 450 RSUs vest in two equal installments on September 19, 2026, and September 19, 2027. ( 2 )The stock options were granted on July 14, 2021, and are fully vested. ( 3 )The stock options were granted on September 22, 2022, and vest in four equal annual installments on September 21, 2023, September 21, 2024, September 21, 2025, September 21, 2026, subject to the Reporting Person's continued service through each applicable vesting date. ( 4 )The stock options were granted on September 20, 2023, and vest in four equal annual installments on September 19, 2024, September 19, 2025, September 19, 2026, September 19, 2027, subject to the Reporting Person's continued service through each applicable vesting date. ( 5 )The stock options were granted on February 20, 2024, and vest in four equal annual installments on February 19, 2025, February 19, 2026, February 19, 2027, February 19, 2028, subject to the Reporting Person's continued service through each applicable vesting date. ( 6 )The stock options were granted on May 8, 2024, and vest in four equal annual installments on May 7, 2025, May 7, 2026, May 7, 2027, May 7, 2028, subject to the Reporting Person's continued service through each applicable vesting date. ( 7 )The stock options were granted on December 17, 2025, and vest in four equal annual installments on December 16, 2026, December 16, 2027, December 16, 2028, December 16, 2029, subject to the Reporting Person's continued service through each applicable vesting 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).

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