| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| BENHAMOU ERIC | Director | C/O GRID DYNAMICS HOLDINGS, INC., 6101 BOLLINGER CANYON ROAD, SUITE 465, SAN RAMON | /s/ Anil Doradla, by power of attorney | 29 Dec 2025 | 0001188321 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GDYN | Common Stock | Award | $0 | +19,021 | +23% | $0.000000 | 100,898 | 23 Dec 2025 | Direct | F1 |
| transaction | GDYN | Common Stock | Award | $0 | +8,695 | +8.6% | $0.000000 | 109,593 | 23 Dec 2025 | Direct | F2 |
| holding | GDYN | Common Stock | 23,500 | 23 Dec 2025 | See footnote | F3 | |||||
| holding | GDYN | Common Stock | 200,000 | 23 Dec 2025 | See footnote | F4 |
| Id | Content |
|---|---|
| F1 | These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 100% of the RSUs shall vest on December 23, 2026, subject to the Reporting Person continuing as a service provider through such date. |
| F2 | These securities are RSUs, each of which represents a contingent right to receive one share of Common Stock. One-quarter of the RSUs shall vest on March 23, 2026 and one-quarter shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider in the same Grid Dynamics Holdings, Inc. board of directors and (if applicable) board committee roles through each such date. |
| F3 | The shares are held by The Eric Benhamou Living Trust. |
| F4 | The shares are held be The Eric Benhamou Grantor Retained Annuity Trust. |