PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2025

Shares 116,450 Value ($000) $3,322 Avg Close $27.67 Range $23.55 - $32.31

Q3 2025

Shares 101,051 Value ($000) $2,609 Avg Close $21.84 Range $18.12 - $26.59

Q3 2024

Shares 7,978 Value ($000) $253 Avg Close $32.46 Range $27.69 - $39.70

Q4 2015

Shares 228 Value ($000) $2 Avg Close $10.84 Range $9.68 - $11.76

Q1 2014

Shares 6,600 Value ($000) $120 Avg Close $22.07 Range $17.21 - $26.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	116,450	$3,322	$27.67	$23.55 - $32.31
Q3 2025	101,051	$2,609	$21.84	$18.12 - $26.59
Q3 2024	7,978	$253	$32.46	$27.69 - $39.70
Q4 2015	228	$2	$10.84	$9.68 - $11.76
Q1 2014	6,600	$120	$22.07	$17.21 - $26.73