GRID DYNAMICS HLDGS INC

Ticker: GDYN CUSIP: 39813G109 Class: Common Stock

CenterBook Partners LP's Holding History (CIK: 0001872738)

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

Q4 2025

Shares 319,731 Value ($000) $2,887 Avg Close $8.66 Range $7.40 - $10.21

Q3 2025

Shares 1,094,701 Value ($000) $8,440 Avg Close $8.93 Range $7.37 - $12.86

Q2 2025

Shares 308,317 Value ($000) $3,561 Avg Close $13.15 Range $11.08 - $15.88

Q1 2025

Shares 114,584 Value ($000) $1,793 Avg Close $20.04 Range $15.23 - $25.50

Q3 2024

Shares 213,452 Value ($000) $2,988 Avg Close $12.92 Range $10.15 - $14.67

Q2 2024

Shares 403,725 Value ($000) $4,243 Avg Close $10.31 Range $9.07 - $12.36

Q1 2024

Shares 278,549 Value ($000) $3,423 Avg Close $13.05 Range $11.64 - $14.70

Q4 2023

Shares 48,823 Value ($000) $651 Avg Close $12.19 Range $9.92 - $14.24

Q2 2023

Shares 96,991 Value ($000) $897 Avg Close $10.02 Range $8.00 - $13.15

Q1 2023

Shares 108,475 Value ($000) $1,243 Avg Close $11.74 Range $9.55 - $14.16

Q3 2022

Shares 28,865 Value ($000) $541 Avg Close $18.95 Range $15.77 - $24.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	319,731	$2,887	$8.66	$7.40 - $10.21
Q3 2025	1,094,701	$8,440	$8.93	$7.37 - $12.86
Q2 2025	308,317	$3,561	$13.15	$11.08 - $15.88
Q1 2025	114,584	$1,793	$20.04	$15.23 - $25.50
Q3 2024	213,452	$2,988	$12.92	$10.15 - $14.67
Q2 2024	403,725	$4,243	$10.31	$9.07 - $12.36
Q1 2024	278,549	$3,423	$13.05	$11.64 - $14.70
Q4 2023	48,823	$651	$12.19	$9.92 - $14.24
Q2 2023	96,991	$897	$10.02	$8.00 - $13.15
Q1 2023	108,475	$1,243	$11.74	$9.55 - $14.16
Q3 2022	28,865	$541	$18.95	$15.77 - $24.27