| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Aguirre Blaise A. | Director | 4438 W. LOVERS LANE, UNIT 100, DALLAS | /s/ Blaise Aguirre, MD | 2025-06-09 | 0001533482 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | UAMY | Common Stock | Award | $0 | +22.7K | +4.87% | $0.00 | 489K | May 27, 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | UAMY | Stock Option | Award | +34.1K | 0 | May 27, 2025 | Common Stock | 34.1K | $2.57 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents shares of Common Stock underlying a time-based vesting restricted stock unit ("RSU") award granted on May 27, 2025 under the Issuer's 2023 Equity Incentive Plan. One-third, or 22,733 shares of the 68,200 total number of shares, of the RSU award vested on May 27, 2025 and an additional one-third of the total number of shares will vest on May 27, 2026 and May 27, 2027, subject to the Reporting Person's continued service through each vesting date. |
| F2 | Represents shares of Common Stock underlying a time-based vesting stock option award granted on May 27, 2025 under the Issuer's 2023 Equity Incentive Plan. The stock option will vest as to one-third, or 11,367 shares of the 34,100 total number of shares on May 27, 2026 and an additional one-third of the total number of shares will vest on May 27, 2027 and May 27, 2028, subject to the Reporting Person's continued service through any vesting date. |