GRID DYNAMICS HLDGS INC

Ticker: GDYN CUSIP: 39813G109 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q1 2025

Shares 16,828 Value ($000) $263 Avg Close $20.04 Range $15.23 - $25.50

Q4 2024

Shares 17,860 Value ($000) $397 Avg Close $17.46 Range $13.77 - $24.16

Q1 2022

Shares 40,718 Value ($000) $573 Avg Close $20.44 Range $9.09 - $39.67

Q4 2021

Shares 48,200 Value ($000) $1,830 Avg Close $34.56 Range $25.75 - $42.81

Q3 2021

Shares 44,973 Value ($000) $1,314 Avg Close $24.45 Range $15.29 - $32.69

Q2 2021

Shares 17,000 Value ($000) $256 Avg Close $15.67 Range $13.84 - $19.08

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	16,828	$263	$20.04	$15.23 - $25.50
Q4 2024	17,860	$397	$17.46	$13.77 - $24.16
Q1 2022	40,718	$573	$20.44	$9.09 - $39.67
Q4 2021	48,200	$1,830	$34.56	$25.75 - $42.81
Q3 2021	44,973	$1,314	$24.45	$15.29 - $32.69
Q2 2021	17,000	$256	$15.67	$13.84 - $19.08