Form4insider filings, from the source

Company · CIK 0001743725 · SIC 7372 — Services-Prepackaged Software · Nasdaq

GRID DYNAMICS HOLDINGS, INC. · GDYN

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $5.0M · 1sales $74k · 4net $4.9M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesOct 2018Feb 2020May 2021Sep 2022Jan 2024May 2025Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 3, 2026 SForm 4 →Sep 3, 4:52 pm EDTYury GryzlovCHIEF OPERATING OFFICER3,918$8.00$31,344503,070−0.77%10b5-1
Aug 21, 2026 FForm 4 →Aug 24, 5:56 pm EDTLeonard LivschitzCHIEF EXECUTIVE OFFICER, Director174$7.96$1,38510,834—
Aug 18, 2026 SForm 4 →Aug 19, 4:31 pm EDTYury GryzlovCHIEF OPERATING OFFICER467$7.53$3,517506,988−0.09%10b5-1
Aug 14, 2026 FForm 4 →Aug 17, 6:21 pm EDTLeonard LivschitzCHIEF EXECUTIVE OFFICER, Director252$7.65$1,92811,008—
Aug 14, 2026 FForm 4 →Aug 17, 6:14 pm EDTYury GryzlovCHIEF OPERATING OFFICER632$7.75$4,898507,455—
Aug 13, 2026 SForm 4 →Aug 13, 6:00 pm EDTYury GryzlovCHIEF OPERATING OFFICER3,930$8.00$31,440508,087−0.77%10b5-1
Aug 7, 2026 GForm 4 →Aug 10, 5:30 pm EDTShuo ZhangDirector5,134——104,772—
Jul 28, 2026 FForm 4 →Jul 28, 8:49 pm EDTAnil DoradlaCHIEF FINANCIAL OFFICER667$6.14$4,095397,358—
Jul 2, 2026 SForm 4 →Jul 2, 7:25 pm EDTYury GryzlovCHIEF OPERATING OFFICER1,245$6.29$7,831512,017−0.24%10b5-1
Jul 2, 2026 FForm 4 →Jul 2, 4:17 pm EDTLeonard LivschitzCHIEF EXECUTIVE OFFICER, Director35,968$6.24$224,4403,355,528—
Jul 1, 2026 FForm 4/A →Jul 2, 8:12 pm EDTLeonard LivschitzCHIEF EXECUTIVE OFFICER, Director35,968$6.24$224,4403,355,528—
Jul 1, 2026 FForm 4 →Jul 2, 4:20 pm EDTYury GryzlovCHIEF OPERATING OFFICER1,686$6.24$10,521513,262—
Jul 1, 2026 FForm 4 →Jul 2, 4:19 pm EDTAnil DoradlaCHIEF FINANCIAL OFFICER2,118$6.24$13,216398,025—
Oct 10, 2018 PForm 4 →Oct 12, 4:10 pm EDTChaserg Technology Sponsor LLC10% Owner500,000$10.00$5,000,000500,000— plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Oct 25, 2018 JForm 4 →Oct 29, 6:00 pm EDTChaserg Technology Sponsor LLC10% Owner250,000——5,500,000—