SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 10)*
Dril-Quip, Inc.
| (Name of Issuer) |
Common Stock
| (Title of Class of Securities) |
262037 10 4
| (CUSIP Number) |
December 31, 2007
| (Date of Event Which Requires Filing of this Statement) |
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
¨ Rule 13d-1(b)
¨ Rule 13d-1(c)
x Rule 13d-1(d)
| * | The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. |
The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
CUSIP No. 262037 10 4
| 1. | NAMES OF REPORTING PERSONS. I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (entities only).
J. Mike Walker |
|||
| 2. | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ¨ (b) ¨ |
|||
| 3. | SEC USE ONLY
|
|||
| 4. | CITIZENSHIP OR PLACE OF ORGANIZATION
United States of America |
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
|
5. Sole Voting Power
4,177,345 | |
| 6. Shared Voting Power
None | ||
| 7. Sole Dispositive Power
4,177,345 | ||
| 8. Shared Dispositive Power
None |
| 9. | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,177,345 |
|||
| 10. | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨ |
|||
| 11. | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
10.12% |
|||
| 12. | TYPE OF REPORTING PERSON
IN |
2
Item 1.
| Item 1(a) |
Name of Issuer: | Dril-Quip, Inc. | ||||
| Item 1(b) |
Address of Issuer’s | 13550 Hempstead Highway | ||||
| Principal Executive Offices: | Houston, Texas 77040 | |||||
| Item 2. | ||||||
| Item 2(a) |
Name of Person Filing: | J. Mike Walker | ||||
| Item 2(b) |
Address of Principal | 13550 Hempstead Highway | ||||
| Business Office: | Houston, Texas 77040 | |||||
| Item 2(c) |
Citizenship: | U.S. | ||||
| Item 2(d) |
Title of Class of Securities: | Common Stock | ||||
| Item 2(e) |
CUSIP Number: | 262037 10 4 | ||||
| Item 3. | If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a: | |||||||||
| (a) | ¨ | Broker or dealer registered under section 15 of the Act. | ||||||||
| (b) | ¨ | Bank as defined in section 3(a)(6) of the Act. | ||||||||
| (c) | ¨ | Insurance company as defined in section 3(a)(19) of the Act. | ||||||||
| (d) | ¨ | Investment company registered under section 8 of the Investment Company Act of 1940. | ||||||||
| (e) | ¨ | Investment adviser in accordance with §240.13d-1(b)(1)(ii)(E). | ||||||||
| (f) | ¨ | Employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F). | ||||||||
| (g) | ¨ | Parent holding company or control person, in accordance with § 240.13d-1(b)(ii)(G). | ||||||||
| (h) | ¨ | Savings Associations as defined in Section 3(b) of the Federal Deposit Insurance Act. | ||||||||
| (i) | ¨ | Church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940. | ||||||||
3
| (j) | ¨ | Group, in accordance with § 240.13d-1(b)(1)(ii)(J). | ||||||||
| Item 4. | Ownership | |||||||||
| Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. |
||||||||||
| (a) | Amount Beneficially Owned: | 4,177,345(1) | ||||||||
| (b) | Percent of Class: | 10.12%(1) | ||||||||
| (c) | Number of shares as to which such person has: | |||||||||
| (i) | Sole power to vote or to direct the vote: | 4,177,345(1) | ||||||||
| (ii) | Shared power to vote or to direct the vote: | None | ||||||||
| (iii) | Sole power to dispose or to direct the disposition of: | 4,177,345(1) | ||||||||
| (iv) | Shared power to dispose or to direct the disposition: | None | ||||||||
| Item 5. | Ownership of Five Percent or Less of a Class | |||||||||
| Not Applicable | ||||||||||
| Item 6. | Ownership of More than Five Percent on Behalf of Another Person | |||||||||
| Not Applicable | ||||||||||
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company | |||||||||
| Not Applicable | ||||||||||
| Item 8. | Identification and Classification of Members of the Group | |||||||||
| Not Applicable | ||||||||||
| Item 9. | Notice of Dissolution of Group | |||||||||
| Not Applicable | ||||||||||
| Item 10. | Certification | |||||||||
| Not Applicable | ||||||||||
4
Explanation of Responses:
| (1) | Includes 468,045 shares of Common Stock subject to exercisable options. |
5
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Dated: February 11, 2008
| /S/ J. MIKE WALKER |
| J. Mike Walker |
6