Sec Form 4 Filing - THIGPEN JEREMY D @ NATIONAL OILWELL VARCO INC - 2015-03-19

FORM 4 Check this box if no longer 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

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1. Name and Address of Reporting Person THIGPEN JEREMY D 2. Issuer Name and Ticker or Trading Symbol NATIONAL OILWELL VARCO INC [ NOV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Sr. Vice President and CFO (Last) (First) (Middle) 7909 PARKWOOD CIRCLE DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 03/19/2015 (Street) HOUSTON, TX77036 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 03/19/2015 F 4,595 ( 1 ) D $ 47.89 25,334 ( 2 ) D Common Stock 6,610 ( 3 ) I by 401(K) Plan

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other THIGPEN JEREMY D 7909 PARKWOOD CIRCLE DRIVE HOUSTON, TX77036 Sr. Vice President and CFO Signatures By: Brigitte M. Hunt For: Jeremy D. Thigpen 03/20/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the number of shares withheld from the vesting of performance-based restricted stock shares to satisfy tax withholding liability. ( 2 )In connection with the spin-off of NOW Inc. on May 30, 2014, all outstanding NOV stock options, restricted stock awards and performance based equity awards held by continuing NOV employees, officers and directors, were adjusted to preserve the intrinsic value of such awards. The adjusted number of shares subject to such awards are reflected in this filing. ( 3 )Represents the number of shares equivalent of NOV common stock held by Mr. Thigpen under the National Oilwell Varco, Inc. 401(k) and Retirement Savings Plan. The information in this report is based on Mr. Thigpen's account balance as of March 19, 2015.

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).

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