Yury Gryzlov - 18 Aug 2026 Form 4 Insider Report for GRID DYNAMICS HOLDINGS, INC. (GDYN)

Reporting relationship: CHIEF OPERATING OFFICER
Issuer ticker: GDYN
Reported as of: 18 Aug 2026
Net transaction value: -$3,517
SEC form: 4
Accepted by SEC: 19 Aug 2026, 16:31:37 UTC
Prior SEC filing: 17 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/Anil Doradla, by power of attorney

Key filing fact

Yury Gryzlov filed Form 4 for GRID DYNAMICS HOLDINGS, INC. (GDYN) on 19 Aug 2026.

Key facts

This page summarizes Yury Gryzlov's Form 4 filing for GRID DYNAMICS HOLDINGS, INC. (GDYN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 19 Aug 2026, 16:31.

Change

Previous filing in this sequence was filed on 17 Aug 2026.
Current net transaction value: -$3,517.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001805673 Primary reporting owner

Gryzlov Yury

Relationship: CHIEF OPERATING OFFICER
Address: C/O GRID DYNAMICS HOLDINGS, INC., 6101 BOLLINGER CANYON ROAD, SUITE 465, SAN RAMON
Signature: /s/Anil Doradla, by power of attorney
Signature date: 19 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GDYN transaction

Common Stock

Sale

Transaction value: $3,517
Shares: -467
Change %: -0.09%
Price: $7.53
Shares after: 506,988
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025.