Sec Form 4 Filing - Porpiglia Peter Turnbough @ AMERICAN VANGUARD CORP - 2018-03-09

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 Porpiglia Peter Turnbough 2. Issuer Name and Ticker or Trading Symbol AMERICAN VANGUARD CORP [ AVD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) See Remarks (Last) (First) (Middle) 4695 MACARTHUR COURT, STE 1200 3. Date of Earliest Transaction (MM/DD/YY) 03/09/2018 (Street) NEWPORT BEACH, CA92660 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 03/09/2018 A 2,757 ( 1 ) A $ 0 19,000 D Common Stock 03/09/2018 A 2,757 ( 2 ) A $ 0 21,757 D

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 Porpiglia Peter Turnbough 4695 MACARTHUR COURT, STE 1200 NEWPORT BEACH, CA92660 X See Remarks Signatures /s/ Peter Porpiglia 03/13/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These comprise an award of time-based restricted stock that vests in its entirety on March 9, 2021, if and only if reporting person is continuously employed by issuer through such vesting date as per the terms of a Restricted Stock Agreement dated as of March 9, 2018. ( 2 )These comprise an award of performance-based restricted stock that vests upon the attainment of both (i) continuous employment through March 9, 2021, and (ii) the relative growth of the issuer's EBIT, net sales and stock price appreciation as compared to that of certain industry comparator groups over the course of fiscal years 2018 - 2020 as per the terms of a Performance Stock Agreement dated as of March 9, 2018.

Remarks: Vice President Product Dev't (AMVAC)

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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