========== OMB APPROVAL
FORM 4 OMB Number: 3235-0287
========== Expires: January 31, 2005
Estimated average burden
[_] Check this box if no longer hours per response.....0.5
subject to Section 16. Form 4
or Form 5 obligations may
continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
Section 17(a) of the Public Utility Holding Company Act of 1935 or
Section 30(h) of the Investment Company Act of 1940
(Print or Type Responses)
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1. Name and Address of Reporting Person*
TOBIAS C. RAY
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(Last) (First) (Middle)
508 W. WALL, SUITE 800
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(Street)
MIDLAND TX 79701
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(City) (State) (Zip)
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2. Issuer Name and Ticker or Trading Symbol
DWSN DAWSON GEOPHYSICAL COMPANY
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3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary)
455-84-6480
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4. Statement for Month/Day/Year
4/03
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5. If Amendment, Date of Original (Month/Day/Year)
________________________________________________________________________________
6. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
[X] Director [_] 10% Owner
[X] Officer (give title below) [_] Other (specify below)
EXECUTIVE VICE PRESIDENT
_____________________________________________________________________________
7. Individual or Joint/Group Filing (Check Applicable Line)
[X] Form filed by One Reporting Person
[_] Form filed by More than One Reporting Person
________________________________________________________________________________
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TABLE I -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF,
OR BENEFICIALLY OWNED
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4. Securities
Acquired (A) 5. Amount of
or Disposed of Securities
(D) (Instr. 3, Beneficially
2A. Deemed 3. Transaction 4 and 5) Owned Follow- 6. Ownership 7. Nature of
Execution Code ----------------- ing Reported Form: Indirect
1. Title of 2. Transaction Date, if (Instr. 8) (A) Transaction(s) Direct (D) or Beneficial
Security Date (Month/ any (Month ----------- or (Instr. 3 Indirect (I) Ownership
(Instr. 3) Day/Year) Day/Year) Code V Amount (D) Price and 4) (Instr.4) (Instr. 4)
-----------------
COMMON 04/16/2003 S 2,000 D 6.70 15,025 D
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FORM 4 (continued)
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TABLE II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
(E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)
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5. 9.
Number Number
of of 10.
Deriv- 7. Deriv- Owner-
ative Title and ative ship
Secur- Amount of Secur- Form of
ities Underlying ities Deriv- 11.
2. Acquired 6. Securities 8. Bene- ative Nature
Conver- 4. (A) or Date (Instr. 3 Price ficially Secur- of In-
sion or 3. 3A. Trans- Disposed Exercisable and and 4) of Owned ities: direct
Exer- Trans- Deemed action of (D) Expiration Date ------------- Deriv- Following Direct Bene-
1. cise action Execution Code (Instr. (Month/Day/Year) Amount ative Reported (D) or ficial
Title of Price Date Date, if (Instr. 3, 4 ---------------- or Secur- Trans- Indirect Owner-
Derivative of Deriv- (Month/ any 8) and 5) Date Expira- Number ity action(s) (I) ship
Security ative Day/ (Month/ ------ -------- Exer- tion of (Instr. (Instr. (Instr. (Instr.
(Instr. 3) Security Year) Day/Year) Code V (A) (D) cisable Date Title Shares 5) 4) 4) 4)
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Explanation of Responses:
/s/ C. Ray Tobias 4-16-03
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**Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.
* If the Form is filed by more than one Reporting Person, see Instruction
4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal
Criminal Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed.
If space provided is insufficient, see Instruction 6 for procedure.