Amihai Seider - 18 Mar 2026 Form 3 Insider Report for Caesarstone Ltd. (CSTE)

Role: Managing Director, Porcelain
Signature: /s/ Amihai Seider
Issuer symbol: CSTE
Transactions as of: 18 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 18 Mar 2026, 12:27:56 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Seider Amihai	Managing Director, Porcelain	KIBBUTZ SDOT-YAM, SDOT-YAM, MP MENASHE, ISRAEL	/s/ Amihai Seider	18 Mar 2026	0002113243

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	CSTE	Ordinary Shares						7,700	18 Mar 2026	By Trust	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	CSTE	Stock Option							18 Mar 2026	Ordinary Shares	15,000	$10.22	By Trust	F2
holding	CSTE	Stock Option							18 Mar 2026	Ordinary Shares	6,000	$12.88	By Trust	F2
holding	CSTE	Stock Option							18 Mar 2026	Ordinary Shares	6,000	$9.12	By Trust	F3
holding	CSTE	Stock Option							18 Mar 2026	Ordinary Shares	6,000	$4.31	By Trust	F4
holding	CSTE	Stock Option							18 Mar 2026	Ordinary Shares	34,000	$4.10	By Trust	F5
holding	CSTE	Stock Option							18 Mar 2026	Ordinary Shares	5,000	$5.94	By Trust	F6
holding	CSTE	Stock Option							18 Mar 2026	Ordinary Shares	28,700	$1.60	By Trust	F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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, 7,025 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.
F2	The stock options are fully vested.
F3	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.
F4	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.
F5	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.
F6	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.
F7	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.