| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Witczak Eric James | EVP & Secretary | C/O NICOLET NATIONAL BANK, 111 NORTH WASHINGTON STREET, GREEN BAY | /s/ H. Phillip Moore, Jr., as attorney-in-fact for Eric J. Witczak | 17 Feb 2026 | 0001667436 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NIC | Common Stock | Award | $517,248 | +3,333 | +10% | $155.19 | 35,894 | 13 Feb 2026 | Direct | F1 |
| transaction | NIC | Common Stock | Tax liability | $173,502 | -1,118 | -3.1% | $155.19 | 34,776 | 13 Feb 2026 | Direct | F2, F3 |
| holding | NIC | Common Stock | 6,783 | 13 Feb 2026 | By 401(k) Plan |
| Id | Content |
|---|---|
| F1 | Restricted stock unit ("RSU") vesting. Per the terms of the RSU, the performance-based metric of successfully closing the merger between Nicolet Bankshares, Inc., and MidWestOne Financial Group was completed on February 13, 2026. |
| F2 | Shares withheld to cover the tax liability of the RSU performance vesting on February 13, 2026. |
| F3 | Includes shares acquired under the Employee Stock Purchase Plan. Mr. Witczak has not acquired additional shares under the Employee Stock Purchase Plan since his last Form 4 filing on January 21, 2026. Mr. Witczak owns a total of 1,087 shares in the Employee Stock Purchase Plan as of the date of this report. |