| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Trost Nahum | Chief Financial Officer | KIBBUTZ SDOT-YAM, SDOT-YAM, MP MENASHE, ISRAEL | /s/ Nahum Trost | 18 Mar 2026 | 0002106483 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CSTE | Ordinary Shares | 9,800 | 18 Mar 2026 | By Trust | F1 | |||||
| holding | CSTE | Ordinary Shares | 7,600 | 18 Mar 2026 | Direct |
| 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 | 40,000 | $13.31 | 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 | 1,400 | $5.94 | By Trust | F6 | ||||||
| holding | CSTE | Stock Option | 18 Mar 2026 | Ordinary Shares | 28,700 | $1.60 | By Trust | F7 |
| 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, 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. |
| F2 | The stock options were granted on July 14, 2021, and 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. |