Caesarstone (CSTE) director Maxim Onuna reports shares and option grant

Rhea-AI Filing Summary

Caesarstone Ltd. director Maxim Onuna reported his initial holdings as an insider. He directly holds 22,000 Ordinary Shares of the company and also has an indirect position through a trust.

The trust holds stock options over 3,750 Ordinary Shares with an exercise price of $4.02 per share, expiring on September 18, 2030. These options were granted on September 20, 2023 and vest in three equal annual installments on September 20, 2024, September 20, 2025, and September 20, 2026, as long as he continues to serve through each vesting date.

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^*

Onuna Maxim

(Last) (First) (Middle)

KIBBUTZ SDOT-YAM

(Street)

SDOT-YAM, MP MENASHE 3780400

(City) (State) (Zip)

ISRAEL

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Caesarstone Ltd. [ CSTE ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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	22,000	D

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
Stock Option	(1)	09/18/2030	Ordinary Shares	3,750	$4.02	I	By Trust

Explanation of Responses:

1. The stock options were granted on September 20, 2023, and vest in three equal annual installments on September 20, 2024, September 20, 2025, September 20, 2026, subject to the Reporting Person's continued service through each applicable vesting date.

	/s/ Onuna Maxim	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.
* Form 3: SEC 1473 (03-26)

FAQ

What does Caesarstone (CSTE) director Maxim Onuna report in this Form 3?

Maxim Onuna reports his initial insider holdings in Caesarstone. He directly owns 22,000 Ordinary Shares and holds stock options over 3,750 Ordinary Shares through a trust, establishing his starting equity position as a director.

How many Caesarstone (CSTE) shares does Maxim Onuna directly and indirectly hold?

He directly holds 22,000 Ordinary Shares and indirectly holds options over 3,750 Ordinary Shares via a trust. The indirect position is in the form of stock options, not currently issued shares, with defined vesting and expiration terms.

What are the key terms of Maxim Onuna’s stock options in Caesarstone (CSTE)?

His stock options cover 3,750 Ordinary Shares at an exercise price of $4.02 per share, expiring on September 18, 2030. They were granted on September 20, 2023 and vest in three equal annual installments.

When do Maxim Onuna’s Caesarstone (CSTE) options vest?

The options vest in three equal annual installments on September 20, 2024, September 20, 2025, and September 20, 2026. Vesting is conditioned on his continued service with the company through each applicable vesting date.

How are Maxim Onuna’s Caesarstone (CSTE) options held and classified?

The options are held indirectly by a trust, as noted in the ownership type. They are classified as stock options over 3,750 underlying Ordinary Shares, separate from his 22,000 directly held Ordinary Shares.