| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Jain Gagan | VP, Worldwide Sales | 5245 HELLYER AVE, SAN JOSE | By: /s/ Eric Verity Attorney In Fact For: Gagan Jain | 10 Feb 2026 | 0002037944 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | POWI | Common Stock | Award | $0 | +2,534 | +7.8% | $0.000000 | 35,188 | 06 Feb 2026 | Direct | F1 |
| transaction | POWI | Common Stock | Disposed to Issuer | $43,682 | -938 | -2.7% | $46.57 | 34,250 | 09 Feb 2026 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | The reporting person was granted a Performance Stock Unit. The Performance Stock Unit vests based on Power Integrations satisfaction of certain performance conditions. The performance conditions for 2025 were met. |
| F2 | Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Performance Stock Unit. |