PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

Shannon River Fund Management LLC's Holding History (CIK: 0001301050)

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

Q2 2016
Shares 504,787 Value ($000) $7,062 Avg Close $13.59 Range $12.09 - $15.25
Q1 2016
Shares 800,000 Value ($000) $10,704 Avg Close $10.95 Range $8.70 - $14.73
Q4 2015
Shares 1,037,843 Value ($000) $11,250 Avg Close $10.84 Range $9.68 - $11.76
Q3 2015
Shares 1,037,843 Value ($000) $10,378 Avg Close $12.57 Range $9.91 - $16.45
Q2 2015
Shares 962,811 Value ($000) $15,405 Avg Close $17.19 Range $14.76 - $19.52
Q1 2015
Shares 842,411 Value ($000) $15,096 Avg Close $17.39 Range $13.31 - $18.80
Q2 2014
Shares 1,275,000 Value ($000) $27,056 Avg Close $19.12 Range $16.60 - $21.77
Q1 2014
Shares 1,498,785 Value ($000) $27,233 Avg Close $22.07 Range $17.21 - $26.73
Q4 2013
Shares 1,432,285 Value ($000) $36,695 Avg Close $22.99 Range $20.12 - $25.90
Q3 2013
Shares 1,432,285 Value ($000) $30,407 Avg Close $20.57 Range $18.09 - $22.20
Q2 2013
Shares 1,443,285 Value ($000) $26,600 Avg Close $17.41 Range $14.95 - $19.03