SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
HURTT WILLIAM C JR

(Last) (First) (Middle)
917 LADY BUG LANE

(Street)
VERO BEACH FL 32963

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
TGC INDUSTRIES INC [ TGCI ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
04/29/2005
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 04/29/2005 S 10,000 D $4.1 398,700 D
Common Stock 04/29/2005 G 5,000 D (1) 393,700 D
Common Stock 05/02/2005 G 10,000 D (1) 383,700(3) D
Common Stock 10,800 I By spouse(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Warrants (Series A) $0.2 09/10/2002 09/10/2012 Common Stock 371,000(4) 371,000(4) D
Warrants (Series A2) $0.2 06/12/2003 06/12/2013 Common Stock 162,329(5) 162,329(5) D
Warrants (Series C2) $1 12/15/2004 12/15/2007 Common Stock 5,200 5,200 D
8-1/2% Senior Convertible Preferred Stock (6) (7) (1) Common Stock 375,000 375,000 D
Explanation of Responses:
1. Not applicable
2. Reporting Person disclaims beneficial ownership of shares owned by spouse.
3. Includes 15,700 shares of common stock held in Reporting Person's IRA.
4. Includes 71,000 additional shares of common stock issuable upon exercise, resulting from application of the warrants' anti-dilution provisions as a result of the PIK dividends paid on the Company's 8-1/2% Senior Preferred Stock.
5. Includes 12,329 additional shares of common stock issuable upon exercise, resulting from application of the warrants' anti-dilution provisions as a result of the PIK dividends paid on the Company's 8-1/2% Senior Preferred Stock.
6. The shares of the 8-1/2% Senior Convertible Preferred Stock are convertible into Common Stock on a one-for-one basis.
7. Immediately convertible.
William C. Hurtt, Jr. 05/03/2005
** 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 is insufficient, see Instruction 6 for procedure.
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