| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | 8360 S DURANGO DR, LAS VEGAS | Catherine M. Mazzeo | 23 Feb 2026 | 0002033320 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SWX | Common Stock | Award | $0 | +3,965 | +38% | $0.000000 | 14,461 | 19 Feb 2026 | Direct | F1 |
| transaction | SWX | Common Stock | Award | $0 | +2,233 | +15% | $0.000000 | 16,694 | 19 Feb 2026 | Direct | F2 |
| holding | SWX | Common Stock | 746 | 19 Feb 2026 | By 401(k) |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service. |
| F2 | Settled Performance Stock Units delivered to the reporting person three years after grant date as a result of satisfaction of performance goals. |