DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

Minerva Advisors LLC's Holding History (CIK: 0001541536)

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

Q4 2014
Shares 142,406 Value ($000) $1,741 Avg Close — Range —
Q3 2014
Shares 59,458 Value ($000) $1,081 Avg Close — Range —
Q2 2014
Shares 59,458 Value ($000) $1,702 Avg Close — Range —
Q1 2014
Shares 59,458 Value ($000) $1,665 Avg Close — Range —
Q4 2013
Shares 59,458 Value ($000) $2,006 Avg Close — Range —
Q3 2013
Shares 59,458 Value ($000) $1,928 Avg Close — Range —
Q2 2013
Shares 59,458 Value ($000) $2,194 Avg Close — Range —