Company: ASB
Filing Date: 2025-03-17
Form Type: DEFA14A
Source: 0000007789-25-000027
Chunk: 0

Company: ASSOCIATED BANC-CORP
Filing Date: 2025-03-17
Form: DEFA14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, D.C. 20549

#### SCHEDULE 14A INFORMATION
<div align='center'>Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act

of 1934 (Amendment No. )</div>

Filed by the Registrant [x]

Filed by a Party other than the Registrant [ ]

Check the appropriate box:

[ ] Preliminary Proxy Statement

[ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

[ ] Definitive Proxy Statement

[x] Definitive Additional Materials

[ ] Soliciting Material Pursuant to §240.14a-12

| ASSOCIATED BANC-CORP                                                    |
| (Name of Registrant as Specified in its Charter)                        |
| (Name of Person(s) Filing Proxy Statement if other than the Registrant) |

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