144 0001760635 XXXXXXXX LIVE 0001703956 Concrete Pumping Holdings, Inc. 001-38166 500 E. 84TH AVENUE SUITE A-5 THORNTON CO 80229 303-289-7497 Humphries Iain Officer Director Common Charles Schwab Corp

3000 Schwab Way Westlake TX 76262

96955 1042266.00 50393420 06/11/2026 Nasdaq Common 12/02/2021 Restricted Stock Unit Issuer N 44205 12/02/2021 Equity Compensation Common 03/29/2022 Restricted Stock Unit Issuer N 25826 03/29/2022 Equity Compensation Common 12/06/2022 Restricted Stock Unit Issuer N 26924 12/06/2022 Equity Compensation Y 06/11/2026 Iain Humphries