PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

Sageworth Trust Co's Holding History (CIK: 0001482688)

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

Q4 2021

Shares 34 Value ($000) $1 Avg Close $27.81 Range $22.46 - $33.78

Q3 2021

Shares 150 Value ($000) $3 Avg Close $20.60 Range $17.29 - $24.20

Q2 2021

Shares 150 Value ($000) $3 Avg Close $17.92 Range $16.70 - $19.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	34	$1	$27.81	$22.46 - $33.78
Q3 2021	150	$3	$20.60	$17.29 - $24.20
Q2 2021	150	$3	$17.92	$16.70 - $19.76