X0306 4 2022-06-30 0 0000005981 AMERICAN VANGUARD CORP AVD 0001702134 Porpiglia Peter 4695 MACARTHUR COURT, STE 1200 NEWPORT BEACH CA 92660 0 1 0 0 See Remarks Common Stock 2022-06-30 4 F 0 597 19.66 D 31594 D Reporting person elected to forfeit these shares in connection with the vesting of performance shares (having a target of 3,057) that were awarded on March 28, 2019. The company's financial performance during the performance period exceeded that of comparator companies with respect to sales, but lagged comparators' performance with respect to both EBIT and total shareholder return. Accordingly, only 42.8% of the targeted shares, or 1,310, vested. Vice President Product Dev't (AMVAC) /s/ Peter Porpiglia 2022-07-13