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Caesarstone (CSTE) counsel details option, RSU and share holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Caesarstone Ltd. officer Ron Mosberg, General Counsel and Corporate Secretary, reports his beneficial ownership of company securities. His holdings include indirect stock options over Ordinary Shares held by a trust, with exercise prices ranging from $9.1200 to $1.6000 and expirations between 2029 and 2032. He also holds Ordinary Shares both indirectly through a trust and directly, along with restricted stock units that vest over several annual dates, all subject to continued service with the company.

Positive

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Negative

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Insider Mosberg Ron
Role Gen. Counsel & Corp. Sec.
Type Security Shares Price Value
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Ordinary Shares -- -- --
holding Ordinary Shares -- -- --
Holdings After Transaction: Stock Option — 3,750 shares (Indirect, By Trust); Ordinary Shares — 4,689 shares (Indirect, By Trust); Ordinary Shares — 1,000 shares (Direct)
Footnotes (1)
  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, 4,266 are fully vested. The remaining RSUs vest as follows: 141 RSUs vest on September 21, 2026; and 282 RSUs vest in two equal installments on September 19, 2026, and September 19, 2027. 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. 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. 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. 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. 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.
SEC Form 3
FORM 3UNITED 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
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Mosberg Ron

(Last)(First)(Middle)
KIBBUTZ SDOT-YAM

(Street)
SDOT-YAM, MP MENASHE3780400

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Gen. Counsel & Corp. Sec.
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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 Shares4,689(1)IBy Trust
Ordinary Shares1,000D
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 ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (2)09/20/2029Ordinary Shares3,750$9.12IBy Trust
Stock Option (3)09/18/2030Ordinary Shares3,750$4.31IBy Trust
Stock Option (4)02/18/2031Ordinary Shares21,250$4.1IBy Trust
Stock Option (5)05/07/2031Ordinary Shares3,750$5.94IBy Trust
Stock Option (6)12/15/2032Ordinary Shares28,700$1.6IBy Trust
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, 4,266 are fully vested. The remaining RSUs vest as follows: 141 RSUs vest on September 21, 2026; and 282 RSUs vest in two equal installments on September 19, 2026, and September 19, 2027.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.
/s/ Ron Mosberg03/18/2026
** Signature of Reporting PersonDate
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 Ron Mosberg report in this Form 3 for Caesarstone (CSTE)?

Ron Mosberg reports his beneficial ownership of Caesarstone Ltd. securities. The filing lists stock options, restricted stock units, and Ordinary Shares held directly and through a trust, all tied to his role as General Counsel and Corporate Secretary.

What stock options does Ron Mosberg hold in Caesarstone (CSTE)?

He holds indirect stock options over Ordinary Shares through a trust with exercise prices of $9.1200, $4.3100, $4.1000, $5.9400, and $1.6000, expiring between September 2029 and December 2032, subject to vesting conditions.

How many Ordinary Shares does Ron Mosberg beneficially own in Caesarstone (CSTE)?

The filing shows 4,689 Ordinary Shares held indirectly through a trust and 1,000 Ordinary Shares held directly. These positions reflect his reported beneficial ownership at the time of the Form 3, combining both indirect and direct holdings.

What are the vesting terms of Ron Mosberg’s stock options at Caesarstone (CSTE)?

Footnotes state his stock options were granted between September 2022 and December 2025 and generally vest in four equal annual installments. Each grant requires his continued service through specific vesting dates such as September, February, May, and December anniversaries.

What restricted stock units (RSUs) does Ron Mosberg hold in Caesarstone (CSTE)?

He holds RSUs where each unit represents one Ordinary Share upon vesting. Footnotes note that 4,266 RSUs are fully vested, with additional RSUs vesting on September 21, 2026, and in two installments on September 19, 2026 and September 19, 2027.

Are Ron Mosberg’s Caesarstone (CSTE) holdings direct or through a trust?

His holdings are both indirect and direct. Several stock option and Ordinary Share positions are held indirectly “By Trust,” while a separate block of 1,000 Ordinary Shares is reported as directly owned, reflecting mixed ownership structures.