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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 21,266 shares at $6.22 ($132,275)
  2. 4 Shares withheld for taxes CHIEF EXECUTIVE OFFICER gave up 178 shares (to pay taxes)
  3. 4 Shares withheld for taxes CHIEF OPERATING OFFICER gave up 2,629 shares (to pay taxes)
  4. 4 Shares withheld for taxes CHIEF EXECUTIVE OFFICER gave up 1,024 shares (to pay taxes)
  5. 4 Shares withheld for taxes CHIEF OPERATING OFFICER gave up 25,964 shares (to pay taxes)
  6. 4 Shares withheld for taxes CHIEF FINANCIAL OFFICER gave up 22,125 shares (to pay taxes)
  7. 4 Shares withheld for taxes CHIEF EXECUTIVE OFFICER gave up 355,119 shares (to pay taxes)
  8. 4 Shares withheld for taxes CHIEF FINANCIAL OFFICER gave up 765 shares (to pay taxes)
  9. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 10,000 shares at $9.00 ($90,000)
  10. 4 Planned sale CHIEF FINANCIAL OFFICER sold 2,000 shares at $10.00 ($20,000)
  11. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 10,000 shares at $9.70 ($97,000)
  12. 4 Shares withheld for taxes CHIEF OPERATING OFFICER gave up 1,753 shares (to pay taxes)
  13. 4 Shares withheld for taxes CHIEF EXECUTIVE OFFICER gave up 37,035 shares (to pay taxes)
  14. 4 Shares withheld for taxes CHIEF FINANCIAL OFFICER gave up 2,377 shares (to pay taxes)
  15. 4 Planned sale CHIEF EXECUTIVE OFFICER sold 10,000 shares at $9.33 ($93,300)
  16. 4 Grant or award Director acquired 17,391 shares (grant or award)
  17. 4 Grant or award Director acquired 12,499 shares (grant or award)
  18. 4 Grant or award Director acquired 12,499 shares (grant or award)
  19. 4 Grant or award Director acquired 19,021 shares (grant or award)
  20. 4 Grant or award Director acquired 28,260 shares (grant or award)

Page 3 of 23 · 450 filings