Lloyd Carney - 23 Dec 2025 Form 4 Insider Report for GRID DYNAMICS HOLDINGS, INC. (GDYN)

Role
Director
Signature
/s/ Anil Doradla, by power of attorney
Issuer symbol
GDYN
Transactions as of
23 Dec 2025
Net transactions value
$0
Form type
4
Filing time
29 Dec 2025, 18:06:30 UTC
Previous filing
20 Nov 2025
Next filing
28 Jan 2026

Reporting Owners (1)

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

Transactions Table

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
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

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.