DAWSON GEOPHYSICAL CO NEW

Ticker: DWSN CUSIP: 239360100 Class: COM

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q1 2019
Shares 14,589 Value ($000) $43 Avg Close $3.06 Range $2.46 - $3.65
Q1 2017
Shares 19,221 Value ($000) $107 Avg Close $5.89 Range $4.30 - $6.95