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DAWSON GEOPHYSICAL CO·4

Jan 5, 12:45 PM ET

NELSON ALAN MARK 4

4 · DAWSON GEOPHYSICAL CO · Filed Jan 5, 2006

Insider Transaction Report

Form 4
Period: 2006-01-04
DAWSON GEOPHYSICAL CODWSN
NELSON ALAN MARK
Vice President
Transactions
  • Exercise/Conversion

    Dawson Geophysical Company-common stock $0.33 1/3 par value

    2006-01-04$8.65/sh+1,250$10,813→ 12,891 total
  • Sale

    Dawson Geophysical Company-common stock $0.33 1/3 par value

    2006-01-04$31.50/sh−1,250$39,375→ 11,641 total
  • Exercise/Conversion

    Dawson Geophysical Company-common stock $0.33 1/3 par value

    2006-01-04$8.65/sh−1,250$10,813→ 4 total
    Exercise: $8.65From: 2005-04-12Exp: 2006-04-12→ Dawson Geophysical Common Stock (1,250 underlying)
Signature
/s/ A. Mark Nelson|2006-01-05

Documents

1 file
  • 4
    bod31783_bod1nam.xmlPrimary

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