v3.26.1
Employee Benefit Plan, Description of Plan (Tables)
 12 Months Ended
Dec. 31, 2025
EBP, Description of Plan and Accounting Change [Abstract]  
EBP, Investment, Fair Value and NAV
The following table sets forth by level, within the fair value hierarchy, the Plan's fair value measurements at December 31, 2025 and 2024, respectively:
December 31, 2025
($ in thousands)Fair ValueLevel 1Level 2Level 3
Investments measured in fair value hierarchy
Mutual funds$446,365 $446,365 $— $— 
Collective trust funds227,531 227,531 — — 
Total investments measured in fair value hierarchy$673,896 $673,896 $— $— 
Total investments measured at NAV$265,114 
Total investments at fair value$939,010 
December 31, 2024
($ in thousands)Fair ValueLevel 1Level 2Level 3
Investments measured in fair value hierarchy
Mutual funds$415,221 $415,221 $— $— 
Collective trust funds182,619 182,619 — — 
Total investments measured in fair value hierarchy$597,840 $597,840 $— $— 
Total investments measured at NAV$243,129 
Total investments at fair value$840,969 
The following table summarizes investments for which fair value is measured using the NAV per share practical expedient as of December 31:
($ in thousands)Fair ValueUnfunded CommitmentsRedemption Frequency (If Currently Eligible)Redemption Notice Period
20252024
Collective trust funds$224,594 $205,001 N/Adailyone day
Associated Banc-Corp Common Stock Fund (1)
$40,520 $38,128 N/Adailyone day
(1) This fund is designed to share in the performance of Associated Banc-Corp. The share price and return will vary according to factors affecting the Associated Banc-Corp common stock.