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CIK 0001743725 · Accelerated filer

GRID DYNAMICS HOLDINGS, INC.

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Ticker
GDYN
Exchange
Nasdaq
Industry
Services-Prepackaged Software
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
830632724
Phone
(650) 523-5000
Business address
6101 BOLLINGER CANYON ROAD, SUITE 465, SAN RAMON, CA, 94583
Former names
ChaSerg Technology Acquisition Corp
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$2,738,308
in 14 filings, $967K under 10b5-1 plans

Net −$2,738,308. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. CARNEY LLOYD −$887K Director sold 100% of stake
  2. BENHAMOU ERIC −$746K Director sold 22% of stake
  3. Livschitz Leonard −$478K CHIEF EXECUTIVE OFFICER sold 1% of stake
  4. Gryzlov Yury −$259K CHIEF OPERATING OFFICER sold 5% of stake
  5. Doradla Anil −$230K CHIEF FINANCIAL OFFICER sold 5% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-01-01 Gryzlov Yury CHIEF OPERATING OFFICER Grant or award +36,000 476,289
2026-01-01 Gryzlov Yury CHIEF OPERATING OFFICER Shares withheld for taxes −1,753 $9.03 $16K 474,536
2026-01-01 Livschitz Leonard CHIEF EXECUTIVE OFFICER Grant or award +360,000 3,181,378
2026-01-01 Livschitz Leonard CHIEF EXECUTIVE OFFICER Shares withheld for taxes −37,035 $9.03 $334K 3,144,343
2026-01-01 Doradla Anil CHIEF FINANCIAL OFFICER Grant or award +36,000 380,852
2026-01-01 Doradla Anil CHIEF FINANCIAL OFFICER Shares withheld for taxes −2,377 $9.03 $21K 378,475
2025-12-23 CARNEY LLOYD Director Grant or award +2,309 692,286
2025-12-23 Livschitz Leonard CHIEF EXECUTIVE OFFICER Sale 10b5-1 −10,000 $9.33 $93K 2,821,378
2025-12-23 Zhang Shuo Director Grant or award +11,413 103,928
2025-12-23 Zhang Shuo Director Grant or award +5,978 109,906
2025-12-23 Nicolet Patrick Director Grant or award +8,152 28,484
2025-12-23 Nicolet Patrick Director Grant or award +4,347 32,831
2025-12-23 Wang Yueou Director Grant or award +8,152 42,778
2025-12-23 Wang Yueou Director Grant or award +4,347 47,125
2025-12-23 Southworth Michael Christopher Director Grant or award +12,500 48,810
2025-12-23 Southworth Michael Christopher Director Grant or award +6,521 55,331
2025-12-23 CARNEY LLOYD Director Grant or award +19,021 689,977
2025-12-23 CARNEY LLOYD Director Grant or award +9,239 699,216
2025-12-23 Wang Weihang Director Grant or award +8,152 42,778
2025-12-23 Wang Weihang Director Grant or award +4,347 47,125

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