| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Tucker Brian L | President & COO | 1250 NE LOOP 410, #1000, SAN ANTONIO | Brian L. Tucker | 03 Nov 2025 | 0001629779 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NGS | Common Stock | Award | +128 | +2.5% | 5,327 | 03 Nov 2025 | Direct | F1 | ||
| transaction | NGS | Common Stock | Award | +2,486 | +47% | 7,813 | 03 Nov 2025 | Direct | F1 | ||
| transaction | NGS | Common Stock | Award | +1,909 | +24% | 9,722 | 03 Nov 2025 | Direct | F1 | ||
| transaction | NGS | Common Stock | Award | +6,250 | +64% | 15,972 | 03 Nov 2025 | Direct | F2 | ||
| transaction | NGS | Common Stock | Award | +1,910 | +12% | 17,882 | 03 Nov 2025 | Direct | F2 | ||
| transaction | NGS | Common Stock | Tax liability | $107,156 | -3,849 | -22% | $27.84 | 14,033 | 03 Nov 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NGS | Restricted Stock Units | Options Exercise | $0 | +128 | $0.000000 | 0 | 03 Nov 2025 | Common Stock | 128 | Direct | F3, F4 | ||
| transaction | NGS | Restricted Stock Units | Options Exercise | $0 | +2,486 | $0.000000 | 0 | 03 Nov 2025 | Common Stock | 2,486 | Direct | F3, F5 | ||
| transaction | NGS | Restricted Stock Units | Options Exercise | $0 | +1,909 | $0.000000 | 0 | 03 Nov 2025 | Common Stock | 1,909 | Direct | F3, F6 |
| Id | Content |
|---|---|
| F1 | Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award. |
| F2 | Not applicable. Represents shares acquired in connection with the vesting of A Performance Share Award ("PSU"). |
| F3 | Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment. |
| F4 | A total of 1,992 RSUs from the 2023 RSU Grant were forfeited in connection with the reporting person's retirement. |
| F5 | A total of 5,043 RSUs from the 2024 RSU Grant were forfeited in connection with the reporting person's retirement. |
| F6 | A total of 7,105 RSUs from the 2025 RSU Grant were forfeited in connection with the reporting person's retirement. |