GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM's Holding History (CIK: 0000938076)

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

Q1 2018
Shares 14,993 Value ($000) $148 Avg Close $12.26 Range $9.18 - $15.66
Q4 2017
Shares 14,993 Value ($000) $194 Avg Close $15.45 Range $12.09 - $18.71
Q3 2017
Shares 14,993 Value ($000) $267 Avg Close $15.21 Range $13.08 - $17.99
Q2 2017
Shares 11,773 Value ($000) $163 Avg Close $15.37 Range $13.59 - $17.04
Q1 2017
Shares 11,585 Value ($000) $188 Avg Close $18.95 Range $13.80 - $24.37
Q4 2016
Shares 11,585 Value ($000) $236 Avg Close $20.24 Range $16.77 - $23.20
Q3 2016
Shares 11,585 Value ($000) $226 Avg Close $17.28 Range $14.51 - $19.96
Q2 2016
Shares 11,585 Value ($000) $190 Avg Close $16.29 Range $11.82 - $19.92
Q1 2016
Shares 11,585 Value ($000) $143 Avg Close $11.02 Range $7.62 - $14.69
Q4 2015
Shares 11,585 Value ($000) $163 Avg Close $14.23 Range $10.16 - $18.91
Q3 2015
Shares 11,465 Value ($000) $158 Avg Close $16.62 Range $13.44 - $23.45
Q2 2015
Shares 11,345 Value ($000) $262 Avg Close $20.88 Range $15.59 - $26.75
Q1 2015
Shares 10,727 Value ($000) $177 Avg Close $20.77 Range $14.95 - $28.88
Q4 2014
Shares 10,727 Value ($000) $284 Avg Close $29.00 Range $24.07 - $35.32
Q3 2014
Shares 10,722 Value ($000) $377 Avg Close $41.90 Range $34.01 - $55.50
Q2 2014
Shares 13,054 Value ($000) $719 Avg Close $56.24 Range $41.63 - $66.84
Q1 2014
Shares 12,342 Value ($000) $817 Avg Close $76.66 Range $60.70 - $94.82
Q4 2013
Shares 13,052 Value ($000) $1,238 Avg Close $91.95 Range $79.60 - $107.93
Q3 2013
Shares 13,052 Value ($000) $1,100 Avg Close $74.50 Range $66.87 - $84.82
Q2 2013
Shares 16,132 Value ($000) $1,114 Avg Close $83.42 Range $65.31 - $108.86