GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

Boston Trust Walden Corp's Holding History (CIK: 0001534866)

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

Q3 2015
Shares 451,234 Value ($000) $6,231 Avg Close $16.62 Range $13.44 - $23.45
Q2 2015
Shares 470,298 Value ($000) $10,840 Avg Close $20.88 Range $15.59 - $26.75
Q1 2015
Shares 479,700 Value ($000) $7,919 Avg Close $20.77 Range $14.95 - $28.88
Q4 2014
Shares 489,110 Value ($000) $12,961 Avg Close $29.00 Range $24.07 - $35.32
Q3 2014
Shares 571,206 Value ($000) $20,078 Avg Close $41.90 Range $34.01 - $55.50
Q2 2014
Shares 585,105 Value ($000) $32,228 Avg Close $56.24 Range $41.63 - $66.84
Q1 2014
Shares 572,632 Value ($000) $37,891 Avg Close $76.66 Range $60.70 - $94.82
Q4 2013
Shares 571,849 Value ($000) $54,117 Avg Close $91.95 Range $79.60 - $107.93
Q3 2013
Shares 611,618 Value ($000) $51,550 Avg Close $74.50 Range $66.87 - $84.82
Q2 2013
Shares 618,531 Value ($000) $42,728 Avg Close $83.42 Range $65.31 - $108.86