GRID DYNAMICS HLDGS INC

Ticker: GDYN CUSIP: 39813G109 Class: Common Stock

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 16,376 Value ($000) $148 Avg Close $8.66 Range $7.40 - $10.21

Q3 2025

Shares 16,819 Value ($000) $130 Avg Close $8.93 Range $7.37 - $12.86

Q2 2025

Shares 16,063 Value ($000) $186 Avg Close $13.15 Range $11.08 - $15.88

Q1 2025

Shares 14,761 Value ($000) $231 Avg Close $20.04 Range $15.23 - $25.50

Q4 2024

Shares 225,360 Value ($000) $5,012 Avg Close $17.46 Range $13.77 - $24.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,376	$148	$8.66	$7.40 - $10.21
Q3 2025	16,819	$130	$8.93	$7.37 - $12.86
Q2 2025	16,063	$186	$13.15	$11.08 - $15.88
Q1 2025	14,761	$231	$20.04	$15.23 - $25.50
Q4 2024	225,360	$5,012	$17.46	$13.77 - $24.16