| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HOU HONG Q | President and CEO, Director | 200 FLYNN RD., CAMARILLO | /s/Hong Q. Hou by Jeffrey Gutierrez under Power of Attorney dated October 6, 2023 (Copy On File) | 03 Oct 2025 | 0001156899 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SMTC | Common Stock | Options Exercise | $0 | +6.48K | +22.85% | $0.00 | 34.9K | 01 Oct 2025 | Direct | |
| transaction | SMTC | Common Stock | Tax liability | -$235K | -3.29K | -9.45% | $71.45 | 31.6K | 01 Oct 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SMTC | Restricted Stock Unit | Options Exercise | $0 | -6.48K | -12.5% | $0.00 | 45.4K | 01 Oct 2025 | Common Stock | 6.48K | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each stock unit represents the contingent right to receive one share of Semtech common stock. |
| F2 | One third of this grant vested on July 1, 2025 and the remainder of this grant vests in eight quarterly installments beginning on October 1, 2025. |