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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1743725	Grid Dynamics Holdings Inc.	GDYN	Services-Prepackaged Software (7372)	830632724

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1805657	Leonard Livschitz	C/O Grid Dynamics Holdings, Inc. 5000 Executive Parkway, Suite 520 San Ramon CA 94583	Chief Executive Officer	No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2025-02-13	665,600	$0.00	3,657,506	No	4	A	Direct
Common Stock	Disposition	2025-02-18	358,425	$22.01	3,299,081	No	4	F	Direct
Common Stock	Disposition	2025-02-18	50,000	$22.11	3,249,081	No	4	S	Direct
Common Stock	Acquisiton	2025-02-14	8,750	$0.00	13,444	No	4	A	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	A	Direct
No	4	F	Direct
No	4	S	Direct
No	4	A	Indirect	See footnote

Footnotes

Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to the performance share awards granted to the Reporting Person on January 1, 2024.
Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the issuance of shares pursuant to performance share awards granted to the Reporting Person on January 1, 2024.
These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2024.
This transaction was executed in multiple trades at prices ranging from $21.80 to $22.51. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.
These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-quarter of the RSUs shall vest on February 14, 2026 and one-sixteenth 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.
The shares are held by the Reporting Person's spouse.