GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2018
Shares 19,000 Value ($000) $188 Avg Close $12.26 Range $9.18 - $15.66
Q4 2017
Shares 19,700 Value ($000) $256 Avg Close $15.45 Range $12.09 - $18.71
Q3 2017
Shares 19,700 Value ($000) $351 Avg Close $15.21 Range $13.08 - $17.99
Q2 2017
Shares 19,700 Value ($000) $272 Avg Close $15.37 Range $13.59 - $17.04
Q1 2017
Shares 18,700 Value ($000) $304 Avg Close $18.95 Range $13.80 - $24.37
Q4 2016
Shares 18,700 Value ($000) $381 Avg Close $20.24 Range $16.77 - $23.20
Q3 2016
Shares 18,700 Value ($000) $364 Avg Close $17.28 Range $14.51 - $19.96
Q2 2016
Shares 18,700 Value ($000) $306 Avg Close $16.29 Range $11.82 - $19.92
Q1 2016
Shares 19,060 Value ($000) $235 Avg Close $11.02 Range $7.62 - $14.69
Q4 2015
Shares 19,060 Value ($000) $268 Avg Close $14.23 Range $10.16 - $18.91
Q3 2015
Shares 19,089 Value ($000) $264 Avg Close $16.62 Range $13.44 - $23.45
Q2 2015
Shares 19,100 Value ($000) $440 Avg Close $20.88 Range $15.59 - $26.75
Q1 2015
Shares 21,100 Value ($000) $348 Avg Close $20.77 Range $14.95 - $28.88
Q4 2014
Shares 21,100 Value ($000) $559 Avg Close $29.00 Range $24.07 - $35.32
Q3 2014
Shares 24,208 Value ($000) $851 Avg Close $41.90 Range $34.01 - $55.50
Q2 2014
Shares 24,208 Value ($000) $1,333 Avg Close $56.24 Range $41.63 - $66.84
Q1 2014
Shares 24,593 Value ($000) $1,627 Avg Close $76.66 Range $60.70 - $94.82
Q4 2013
Shares 24,221 Value ($000) $2,297 Avg Close $91.95 Range $79.60 - $107.93
Q3 2013
Shares 26,821 Value ($000) $2,261 Avg Close $74.50 Range $66.87 - $84.82
Q2 2013
Shares 27,908 Value ($000) $1,928 Avg Close $83.42 Range $65.31 - $108.86