| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CARNEY LLOYD | 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 | 0001204424 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GDYN | Common Stock | Award | $0 | +19,021 | +2.8% | $0.000000 | 689,977 | 23 Dec 2025 | Direct | F1 |
| transaction | GDYN | Common Stock | Award | $0 | +9,239 | +1.3% | $0.000000 | 699,216 | 23 Dec 2025 | Direct | F2 |
| holding | GDYN | Common Stock | 12,542 | 23 Dec 2025 | See footnote | F3 | |||||
| holding | GDYN | Common Stock | 5,200 | 23 Dec 2025 | See footnote | F4 | |||||
| holding | GDYN | Common Stock | 288,800 | 23 Dec 2025 | See footnote | F5 | |||||
| holding | GDYN | Common Stock | 19,675 | 23 Dec 2025 | See footnote | F6 |
| 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 Lloyd A. Carney Revocable Trust dated September 25, 1995. |
| F4 | The shares are held by The Lloyd Carney Foundation (the "Foundation"). The Foundation is a 501(c)(3) charitable organization controlled by the Reporting Person. |
| F5 | The shares are held by the Lloyd Carney 2018 Grantor Retained Annuity Trust. |
| F6 | The shares are held by the Lloyd Carney 2020 Grantor Retained Annuity Trust. |