DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

MEEDER ASSET MANAGEMENT INC's Holding History (CIK: 0000809443)

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

Q4 2013
Shares 2,620 Value ($000) $89 Avg Close — Range —
Q3 2013
Shares 2,620 Value ($000) $85 Avg Close — Range —