| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Trousdale William | SVP, VP FP&A, Treasurer | C/O SUN COUNTRY AIRLINES HOLDINGS, INC., 2005 CARGO ROAD, MINNEAPOLIS | /s/ Rose Neale, attorney-in-fact for William Trousdale | 15 Sep 2025 | 0001850697 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SNCY | Common Stock, par value $0.01 per share | Sale | $25,503 | -1,853 | -6.9% | $13.76 | 25,140 | 12 Sep 2025 | Direct |