STOCK TITAN

Caesarstone (CSTE) exec reports option, RSU and share holdings

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

Rhea-AI Filing Summary

Caesarstone Ltd. executive Amihai Seider, Managing Director, Porcelain, filed an initial Form 3 showing indirect holdings through a trust. The trust holds several fully vested or time-vested stock option grants over Ordinary Shares at exercise prices ranging from $1.6000 to $12.8800, with expirations running from 2027 to 2032. The trust also holds 7,700 Ordinary Shares. Footnotes indicate restricted stock units are included, with 7,025 RSUs already vested and additional RSUs scheduled to vest in 2026 and 2027, contingent on continued service.

Positive

  • None.

Negative

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Insider Seider Amihai
Role Managing Director, Porcelain
Type Security Shares Price Value
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Stock Option -- -- --
holding Ordinary Shares -- -- --
Holdings After Transaction: Stock Option — 15,000 shares (Indirect, By Trust); Ordinary Shares — 7,700 shares (Indirect, By Trust)
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, 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. The stock options are fully vested. 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
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hours per response:0.5
1. Name and Address of Reporting Person*
Seider Amihai

(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)
Managing Director, Porcelain
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 Shares7,700(1)IBy Trust
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)12/20/2027Ordinary Shares15,000$10.22IBy Trust
Stock Option (2)08/30/2028Ordinary Shares6,000$12.88IBy Trust
Stock Option (3)09/20/2029Ordinary Shares6,000$9.12IBy Trust
Stock Option (4)09/18/2030Ordinary Shares6,000$4.31IBy Trust
Stock Option (5)02/18/2031Ordinary Shares34,000$4.1IBy Trust
Stock Option (6)05/07/2031Ordinary Shares5,000$5.94IBy Trust
Stock Option (7)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, 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.
2. The stock options 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.
/s/ Amihai Seider03/18/2026
** 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 Amihai Seider’s Form 3 disclose for Caesarstone (CSTE)?

The Form 3 discloses initial beneficial ownership for Amihai Seider in Caesarstone (CSTE). It lists stock options, restricted stock units, and Ordinary Shares held indirectly through a trust, rather than reporting any new purchases or sales.

How many Caesarstone (CSTE) Ordinary Shares does the trust hold for Seider?

The filing shows the trust holding 7,700 Ordinary Shares for Amihai Seider. These are reported as indirect ownership “By Trust,” meaning the shares are not held directly in his personal name.

What stock options are reported for Amihai Seider in Caesarstone (CSTE)?

Seider’s Form 3 reports multiple stock option grants over Caesarstone Ordinary Shares, with exercise prices from $1.6000 to $12.8800 and expirations between 2027 and 2032. These options are held indirectly through a trust.

Are Amihai Seider’s Caesarstone (CSTE) stock options fully vested?

A footnote states that the stock options are fully vested. Separate footnotes describe grant dates and four-year vesting schedules, indicating these options have completed their vesting conditions by the dates referenced in the disclosure.

What restricted stock units (RSUs) are disclosed for Caesarstone (CSTE)?

The filing notes that 7,025 RSUs are fully vested for Seider. Additional RSUs will vest in 2026 and 2027, subject to his continued service, providing future share delivery if those service conditions are met.

Is there any buying or selling activity in this Caesarstone (CSTE) Form 3?

No buying or selling activity is indicated. The Form 3 is an initial ownership statement, listing Seider’s existing indirect holdings and equity awards, without recording new market transactions in Caesarstone shares.