GRID DYNAMICS HLDGS INC

Ticker: GDYN CUSIP: 39813G109 Class: Common Stock

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 44,516 Value ($000) $402 Avg Close $8.66 Range $7.40 - $10.21

Q2 2024

Shares 20,012 Value ($000) $210 Avg Close $10.31 Range $9.07 - $12.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	44,516	$402	$8.66	$7.40 - $10.21
Q2 2024	20,012	$210	$10.31	$9.07 - $12.36