| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pucin John S. | Director | 700 S LEWIS AVE, C/O NSTS BANCORP, INC., WAUKEGAN | /s/ Carissa H. Schoolcraft Attorney-In-Fact | 2025-06-25 | 0002074403 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | NSTS | Common Stock | 1K | Jun 18, 2025 | Direct |