144 0001466906 XXXXXXXX LIVE 0001739445 Arcosa, Inc. 001-38494 500 N. AKARD SREET SUITE 400 DALLAS TX 75201 972-942-6500 Collins Jesse E. Jr. Officer COMMON MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES

200 W CIVIC CENTER DR. 4TH FLOOR SANDY UT 84070

9626 850072.06 48600000 05/15/2024 NYSE COMMON 05/15/2023 RETAIL SHARES ISSUER N 9626 05/15/2023 CASH Y 05/15/2024 /s/ Jesse E. Collins, Jr.