| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HOU HONG Q | President and CEO, Director | 200 FLYNN RD., CAMARILLO | /s/Hong Q. Hou by Mark Lin under Power of Attorney dated October 16, 2025 (Copy On File) | 12 Mar 2026 | 0001156899 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SMTC | Common Stock | Options Exercise | +32,516 | +127% | $0.000000* | 58,120 | 10 Mar 2026 | Direct | ||
| transaction | SMTC | Common Stock | Tax liability | -16,545 | -28% | $85.14* | 41,575 | 10 Mar 2026 | 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 | -32,516 | -33% | $0.000000* | 65,034 | 10 Mar 2026 | Common Stock | 32,516 | Direct | F1, F2 | ||
| transaction | SMTC | Restricted Stock Unit | Award | +51,843 | $0.000000* | 51,843 | 10 Mar 2026 | Common Stock | 51,843 | Direct | F1, F3 |
| Id | Content |
|---|---|
| F1 | Each stock unit represents the contingent right to receive one share of Semtech common stock. |
| F2 | One third of this grant vests on March 10, 2026 and the remainder of this grant vests in eight quarterly installments beginning on June 10, 2026. |
| F3 | One third of this grant vests on March 10, 2027 and the remainder of this grant vests in eight quarterly installments beginning on June 10, 2027. |