GRID DYNAMICS HLDGS INC

Ticker: GDYN CUSIP: 39813G109 Class: Common Stock

UMB Bank, n.a.'s Holding History (CIK: 0000933429)

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

Q4 2025

Shares 766 Value ($000) $7 Avg Close $8.66 Range $7.40 - $10.21

Q3 2025

Shares 240 Value ($000) $2 Avg Close $8.93 Range $7.37 - $12.86

Q2 2025

Shares 16 Value ($000) $0 Avg Close $13.15 Range $11.08 - $15.88

Q1 2022

Shares 500 Value ($000) $7 Avg Close $20.44 Range $9.09 - $39.67

Q4 2021

Shares 500 Value ($000) $19 Avg Close $34.56 Range $25.75 - $42.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	766	$7	$8.66	$7.40 - $10.21
Q3 2025	240	$2	$8.93	$7.37 - $12.86
Q2 2025	16	$0	$13.15	$11.08 - $15.88
Q1 2022	500	$7	$20.44	$9.09 - $39.67
Q4 2021	500	$19	$34.56	$25.75 - $42.81