GRID DYNAMICS HLDGS INC

Ticker: GDYN CUSIP: 39813G109 Class: Common Stock

Vontobel Holding Ltd.'s Holding History (CIK: 0001588340)

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

Q4 2025

Shares 27,967 Value ($000) $253 Avg Close $8.66 Range $7.40 - $10.21

Q3 2025

Shares 31,386 Value ($000) $242 Avg Close $8.93 Range $7.37 - $12.86

Q2 2025

Shares 14,689 Value ($000) $170 Avg Close $13.15 Range $11.08 - $15.88

Q1 2025

Shares 76,086 Value ($000) $1,191 Avg Close $20.04 Range $15.23 - $25.50

Q4 2024

Shares 13,176 Value ($000) $293 Avg Close $17.46 Range $13.77 - $24.16

Q3 2024

Shares 81,654 Value ($000) $1,143 Avg Close $12.92 Range $10.15 - $14.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	27,967	$253	$8.66	$7.40 - $10.21
Q3 2025	31,386	$242	$8.93	$7.37 - $12.86
Q2 2025	14,689	$170	$13.15	$11.08 - $15.88
Q1 2025	76,086	$1,191	$20.04	$15.23 - $25.50
Q4 2024	13,176	$293	$17.46	$13.77 - $24.16
Q3 2024	81,654	$1,143	$12.92	$10.15 - $14.67