GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q4 2017
Shares 10,800 Value ($000) $140 Avg Close $15.45 Range $12.09 - $18.71
Q3 2017
Shares 12,000 Value ($000) $214 Avg Close $15.21 Range $13.08 - $17.99
Q2 2017
Shares 13,300 Value ($000) $184 Avg Close $15.37 Range $13.59 - $17.04
Q1 2017
Shares 13,300 Value ($000) $216 Avg Close $18.95 Range $13.80 - $24.37
Q4 2016
Shares 15,400 Value ($000) $314 Avg Close $20.24 Range $16.77 - $23.20
Q3 2016
Shares 15,400 Value ($000) $300 Avg Close $17.28 Range $14.51 - $19.96
Q2 2016
Shares 15,400 Value ($000) $252 Avg Close $16.29 Range $11.82 - $19.92
Q1 2014
Shares 6,300 Value ($000) $417 Avg Close $76.66 Range $60.70 - $94.82
Q4 2013
Shares 11,100 Value ($000) $1,050 Avg Close $91.95 Range $79.60 - $107.93
Q3 2013
Shares 13,600 Value ($000) $1,146 Avg Close $74.50 Range $66.87 - $84.82
Q2 2013
Shares 11,900 Value ($000) $822 Avg Close $83.42 Range $65.31 - $108.86