GRID DYNAMICS HLDGS INC

Ticker: GDYN CUSIP: 39813G109 Class: Common Stock

HRT FINANCIAL LP's Holding History (CIK: 0001475597)

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

Q4 2025

Shares 112,822 Value ($000) $1 Avg Close $8.66 Range $7.40 - $10.21

Q3 2025

Shares 92,829 Value ($000) $1 Avg Close $8.93 Range $7.37 - $12.86

Q1 2025

Shares 29,544 Value ($000) $0 Avg Close $20.04 Range $15.23 - $25.50

Q1 2022

Shares 24,522 Value ($000) $345 Avg Close $20.44 Range $9.09 - $39.67

Q2 2021

Shares 15,963 Value ($000) $239 Avg Close $15.67 Range $13.84 - $19.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	112,822	$1	$8.66	$7.40 - $10.21
Q3 2025	92,829	$1	$8.93	$7.37 - $12.86
Q1 2025	29,544	$0	$20.04	$15.23 - $25.50
Q1 2022	24,522	$345	$20.44	$9.09 - $39.67
Q2 2021	15,963	$239	$15.67	$13.84 - $19.08