Leonard Livschitz - 01 Jan 2026 Form 4 Insider Report for GRID DYNAMICS HOLDINGS, INC. (GDYN)

Role: CHIEF EXECUTIVE OFFICER, Director
Signature: /s/Anil Doradla, by power of attorney
Issuer symbol: GDYN
Transactions as of: 01 Jan 2026
Net transactions value: -$334,426
Form type: 4
Filing time: 05 Jan 2026, 18:05:27 UTC
Previous filing: 29 Dec 2025
Next filing: 08 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Livschitz Leonard	CHIEF EXECUTIVE OFFICER, Director	C/O GRID DYNAMICS HOLDINGS, INC., 6101 BOLLINGER CANYON ROAD, SUITE 465, SAN RAMON	/s/Anil Doradla, by power of attorney	05 Jan 2026	0001805657

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GDYN	Common Stock	Award	$0	+360,000	+13%	$0.000000	3,181,378	01 Jan 2026	Direct	F1
transaction	GDYN	Common Stock	Tax liability	$334,426	-37,035	-1.2%	$9.03	3,144,343	01 Jan 2026	Direct	F2
holding	GDYN	Common Stock						12,860	01 Jan 2026	See footnote	F3

* 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. One-third of the RSUs shall vest on January 1, 2027 and one-twelfth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.
F2	Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units granted to the Reporting Person on January 1, 2024.
F3	The shares are held by the Reporting Person's spouse.