PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

Vanguard Personalized Indexing Management, LLC's Holding History (CIK: 0001767306)

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

Q4 2025

Shares 7,672 Value ($000) $219 Avg Close $27.67 Range $23.55 - $32.31

Q3 2025

Shares 7,897 Value ($000) $204 Avg Close $21.84 Range $18.12 - $26.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,672	$219	$27.67	$23.55 - $32.31
Q3 2025	7,897	$204	$21.84	$18.12 - $26.59