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FORM 4 U.S. SECURITIES AND EXCHANGE COMMISSION
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STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
[ ] CHECK THIS BOX IF NO LONGER
SUBJECT TO SECTION 16. FORM 4
OR FORM 5 OBLIGATIONS MAY
CONTINUE. SEE INSTRUCTION 1(b).
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(f) of
the Investment Company Act of 1940
(Print or Type Responses)
<TABLE>
<S> <C> <C>
1. Name and Address of Reporting Person* 2. Issuer Name and Ticker or Trading Symbol 3. IRS or Social Security Number of
Reporting Person (Voluntary)
OHYA SATORU OYO GEOSPACE CORPORATION (OYOG)
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(Last) (First) (Middle)
OYO CORPORATION
ICHIGAYA BUILDING 2-6, KUDAN-KITA 4-CHOME
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(Street)
CHIYODA-KU, TOKYO 102 JAPAN
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(City) (State) (Zip)
4. Statement for Month/Year 5. If Amendment, Date of 6. Relationship of Reporting Person to Issuer
Original (Month/Year) (Check all applicable)
11/97
------------------------ --------------------- X Director X 10% Owner
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Officer (give title below) Other (specify below)
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7. Individual or Joint/Group Filing (Check Applicable)
X Form filed by One Reporting Person
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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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1. Title of Security 2. Transaction Date 3. Transaction Code 4. Securities Acquired (A) or
(Instr. 3) (Month/Day/Year) (Instr.8) Disposed of (D) (Instr. 3, 4 and 5)
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Code / V Amount / (A) or (D) / Price
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COMMON STOCK, 11/26/97 S N/A 1,000,000 D $14.00
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$.01 PAR VALUE
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<TABLE>
<CAPTION>
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5. Amount of Securities 6. Ownership Form: Direct 7. Nature of Indirect
Beneficially Owned (D) or Indirect (I) Beneficial Ownership
at End of Month (Instr. 4) (Instr. 4)
(Instr. 3 and 4)
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<S> <C> <C> <C>
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3,000,000 I BY OYO CORPORATION U.S.A. ***
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</TABLE>
Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.
* If the form filed by more than one reporting person, see Instruction
4(b)(v).
*** The shares indicated as indirectly owned by the reporting person are
owned directly by OYO Corporation U.S.A. and are listed because of the
reporting person's affiliation with OYO Corporation, the parent
company of OYO Corporation U.S.A. The reporting person disclaims
beneficial ownership of the shares owned by OYO Corporation owned by
OYO Corporation U.S.A. within the meaning of Rule 13d-3 under the
Securities Exchange Act of 1934, as amended (the "Exchange Act"). The
reporting person owns 311,300 ordinary shares of OYO Corporation, and
his wife and children collectively own 10,741 ordinary shares of OYO
Corporation. The reporting person disclaims beneficial ownership of
the shares of OYO Corporation owned by his children within the meaning
of Rule 13d-3 under the Exchange Act.
(Over)
SEC 1474 (7/96)
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FORM 4 (CONTINUED)
TABLE II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
(E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)
<TABLE>
<CAPTION>
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1. Title of 2. Conversion or 3. Transaction 4. Transaction 5. Number of Derivative 6. Date Exercisable and
Derivative Exercise Price Date (Month/ Code (Instr. 8) Securities Acquired Expiration Date
Security of Derivative Day/Year) (A) or Disposed of (D) (Month/Day/Year)
(Instr. 3) Security (Instr. 3, 4, and 5)
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Code / V (A) / (D) Date Expiration
Excersible Date
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<S> <C> <C> <C> <C> <C> <C>
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</TABLE>
<TABLE>
<CAPTION>
7. Title and Amount 8. Price of 9. Number of 10. Ownership 11. Nature of
of Underlying Derivative Derivative Form of Indirect
Securities (Instr. Security Securities Derivative Beneficial
3 and 4) (Instr. 5) Beneficially Security; Ownership
Owned at Direct (D) (Instr. 4)
Amount or End of or Indirect
Number of Month (I) (Instr. 4)
Title Shares (Instr. 4)
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<S> <C> <C> <C> <C> <C>
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</TABLE>
Explanation of Responses:
** Intentional misstatements or omissions of facts constitute Federal
Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
*** The shares indicated as indirectly owned by the reporting person are
owned directly by OYO Corporation U.S.A. and are listed because
of the reporting person's affiliation with OYO Corporation, the parent
company of OYO Corporation U.S.A. The reporting person disclaims
beneficial ownership of the shares owned by OYO Corporation owned by OYO
Corporation U.S.A. within the meaning of Rule 13d-3 under the Securities
Exchange Act of 1934, as amended (The "Exchange Act"). The reporting
person owns 311,300 ordinary shares of OYO Corporation, and his wife and
children collectively own 10,741 ordinary shares of OYO Corporation. The
reporting person disclaims beneficial ownership of the shares of OYO
Corporation owned by his children within the meaning of Rule 13d-3 under
the Exchange Act.
Note: File three copies of this Form, one of which must be manually signed.
If space provided is insufficient, see Instruction 6 for procedure.
/s/ ERNEST M. HALL 12/9/97
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By: Ernest M. Hall, Jr. attorney-in-fact Date
** Signature of Reporting Person
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SEC 1474 (7/96)
