PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

Csenge Advisory Group's Holding History (CIK: 0001715593)

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

Q3 2018

Shares 13 Value ($000) $0 Avg Close $10.06 Range $8.10 - $12.66

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	13	$0	$10.06	$8.10 - $12.66