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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
  1. 4 Planned sale CHIEF OPERATING OFFICER sold 737 shares at $11.82 ($8,711)
  2. 4 Shares withheld for taxes CHIEF EXECUTIVE OFFICER gave up 35,901 shares (to pay taxes)
  3. 4 Shares withheld for taxes CHIEF FINANCIAL OFFICER gave up 2,215 shares (to pay taxes)
  4. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 10,000 shares at $12.00 ($120,000)
  5. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 10,000 shares at $11.67 ($116,700)
  6. 4 Planned sale CHIEF FINANCIAL OFFICER sold 2,000 shares at $12.34 ($24,680)
  7. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 20,000 shares at $12.23 ($244,600)
  8. 4 Planned sale CHIEF OPERATING OFFICER sold 2,000 shares at $12.00 ($24,000)
  9. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 20,000 shares at $13.12 ($262,400)
  10. 4 Open-market sale CHIEF EXECUTIVE OFFICER sold 155 shares at $13.21 ($2,048)
  11. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 40,000 shares at an average $15.05 ($602,100)
  12. 4 Planned sale CHIEF OPERATING OFFICER sold 2,000 shares at $13.22 ($26,440)
  13. 4 Planned sale CHIEF FINANCIAL OFFICER sold 2,000 shares at $13.55 ($27,100)
  14. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 20,000 shares at $13.92 ($278,400)
  15. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 20,000 shares at $13.76 ($275,200)
  16. 4 Planned sale CHIEF OPERATING OFFICER sold 2,000 shares at $13.97 ($27,940)
  17. 4 Planned sale CHIEF FINANCIAL OFFICER sold 2,000 shares at $13.22 ($26,440)
  18. 4 Planned sale CHIEF OPERATING OFFICER sold 737 shares at $14.80 ($10,908)
  19. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 30,000 shares at $15.61 ($468,300)
  20. 4 Shares withheld for taxes CHIEF FINANCIAL OFFICER gave up 2,215 shares (to pay taxes)

Page 5 of 23 · 450 filings