X0102 24F-2NT LIVE 773757 XXXXXXXX false N-1A Columbia Funds Series Trust I 290 Congress Street Boston MA X1 02210 COLUMBIA HIGH YIELD MUNICIPAL FUND S000010615 Columbia High Yield Municipal Fund Class A C000029350 Columbia High Yield Municipal Fund Class C C000029352 Columbia High Yield Municipal Fund Institutional Class C000029353 Columbia High Yield Municipal Fund Institutional 2 Class C000122656 Columbia High Yield Municipal Fund Institutional 3 Class C000175730 Columbia High Yield Municipal Fund Class S C000255598 COLUMBIA DIVIDEND INCOME FUND S000012079 Columbia Dividend Income Fund Class S C000255599 Columbia Dividend Income Fund Institutional Class C000032905 Columbia Dividend Income Fund Class R C000061836 Columbia Dividend Income Fund Institutional 2 Class C000122670 Columbia Dividend Income Fund Institutional 3 Class C000122671 Columbia Dividend Income Fund Class A C000032900 Columbia Dividend Income Fund Class C C000032902 COLUMBIA ADAPTIVE RISK ALLOCATION FUND S000037262 Columbia Adaptive Risk Allocation Fund Class A C000114818 Columbia Adaptive Risk Allocation Fund Class C C000114819 Columbia Adaptive Risk Allocation Fund Institutional 2 Class C000114823 Columbia Adaptive Risk Allocation Fund Institutional Class C000114825 Columbia Adaptive Risk Allocation Fund Institutional 3 Class C000147084 Columbia Adaptive Risk Allocation Fund Class S C000255600 COLUMBIA MULTI STRATEGY ALTERNATIVES FUND S000048058 Columbia Multi Strategy Alternatives Fund Class A C000151801 Columbia Multi Strategy Alternatives Fund Class C C000151802 Columbia Multi Strategy Alternatives Fund Institutional Class C000151809 811-04367 002-99356 05/31/2026 false false 9947316064.37 11119361823.70 2920294237.93 14039656061.63 0.00 (4092339997.26) 0.0001381 0.00 0 0.00 Martha A. Skinner Martha A. Skinner Assistant Treasurer 08/17/2026