SCHEDULE 13G/A 0001193125-24-177563 0001792549 XXXXXXXX LIVE 2 Common Stock, $0.10 par value 12/31/2025 0000005981 AMERICAN VANGUARD CORP 030371108 4695 MACARTHUR COURT NEWPORT BEACH CA 92660 Rule 13d-1(b) Topline Capital Management, LLC CA 0 0 0 0 0 N 0 IA Topline Capital Partners, LP DE 0 0 0 0 0 N 0 PN Collin McBirney X1 0 0 0 0 0 N 0 HC IN AMERICAN VANGUARD CORP 4695 MACARTHUR COURT, NEWPORT BEACH, CALIFORNIA 92660 Topline Capital Management, LLC ("TCM") Topline Capital Partners, LP ("TCP" or the "Fund") Collin McBirney 544 EUCLID STREET SANTA MONICA, California 90402 Topline Capital Management, LLC - CALIFORNIA Topline Capital Partners, LP - DELAWARE Collin McBirney - UNITED STATES N IA 0 0 Topline Capital Management, LLC - 0 Topline Capital Partners, LP - 0 Collin McBirney - 0 Topline Capital Management, LLC - 0 Topline Capital Partners, LP - 0 Collin McBirney - 0 Topline Capital Management, LLC - 0 Topline Capital Partners, LP - 0 Collin McBirney - 0 Topline Capital Management, LLC - 0 Topline Capital Partners, LP - 0 Collin McBirney - 0 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit A - Joint Filing Undertaking Topline Capital Management, LLC /s/ Collin McBirney 02/13/2026 Topline Capital Partners, LP /s/ Collin McBirney 02/13/2026 Collin McBirney /s/ Collin McBirney 02/13/2026