X0102 24F-2NT LIVE 0001016809 XXXXXXXX N-4 RETIREMENT BUILDER VARIABLE ANNUITY ACCOUNT 6400 C Street SW Cedar Rapids IA X1 52499 true 811-07689 333-07509 333-61063 333-78743 333-190746 333-190747 333-190748 333-190749 333-190750 333-190751 333-190754 333-190756 333-190757 333-190758 333-190752 12/31/2025 4247294 70964554.15 2953538283 3024502837.15 0 (3020255543.15) 0.0001381 0 0 /s/Kristine Toscano Kristine Toscano, Controller 03/27/2026