Notice of Proposed Sale · 144/A
Power Integrations, Inc.
POWINASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144/A
primary_doc.xml
Amendment · This filing reports the amendment as submitted.
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- POWER INTEGRATIONS, INC.
- Issuer CIK
- 0000833640
- SEC file number
- 000-23441
- Phone
- (408) 414-9200
- Person for whose account securities are to be sold
- CLIFFORD J WALKER
- Relationships to issuer
- Officer
- Street
- 5245 Hellyer Avenue
- City
- San Jose
- State / country code
- CA
- Postal code
- 95138-1002
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 15,000 | 1,234,216.50 | 55,719,984 | 05/26/2026 | NASDAQ | Morgan Stanley Smith Barney LLC Executive Financial Services |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC Executive Financial Services
- Street
- 1 New York Plaza
- Street (continued)
- 8th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 01/29/2025 | Restricted stock vesting under a registered plan | Issuer | 914 | N | 01/29/2025 | Cash |
| Common | 01/30/2025 | Restricted stock vesting under a registered plan | Issuer | 1,485 | N | 01/30/2025 | Cash |
| Common | 01/31/2025 | Shares Purchased through Employee Stock Purchase Plan | Issuer | 225 | N | 01/31/2025 | Cash |
| Common | 02/05/2025 | Restricted stock vesting under a registered plan | Issuer | 640 | N | 02/05/2025 | Cash |
| Common | 02/07/2025 | Restricted stock vesting under a registered plan | Issuer | 933 | N | 02/07/2025 | Cash |
| Common | 02/09/2025 | Restricted stock vesting under a registered plan | Issuer | 1,460 | N | 02/09/2025 | Cash |
| Common | 04/01/2025 | Restricted stock vesting under a registered plan | Issuer | 1,912 | N | 04/01/2025 | Cash |
| Common | 07/31/2025 | Shares Purchased through Employee Stock Purchase Plan | Issuer | 207 | N | 07/31/2025 | Cash |
| Common | 01/25/2026 | Restricted stock vesting under a registered plan | Issuer | 276 | N | 01/25/2026 | Cash |
| Common | 01/26/2026 | Restricted stock vesting under a registered plan | Issuer | 1,058 | N | 01/26/2026 | Cash |
| Common | 01/27/2026 | Restricted stock vesting under a registered plan | Issuer | 651 | N | 01/27/2026 | Cash |
| Common | 01/29/2026 | Restricted stock vesting under a registered plan | Issuer | 477 | N | 01/29/2026 | Cash |
| Common | 01/30/2026 | Restricted stock vesting under a registered plan | Issuer | 630 | N | 01/31/2026 | Cash |
| Common | 01/31/2026 | Shares Purchased through Employee Stock Purchase Plan | Issuer | 1,390 | N | 01/31/2026 | Cash |
| Common | 02/02/2026 | Restricted stock vesting under a registered plan | Issuer | 781 | N | 02/02/2026 | Cash |
| Common | 02/06/2026 | Restricted stock vesting under a registered plan | Issuer | 1,951 | N | 02/06/2026 | Cash |
| Common | 02/09/2026 | Restricted stock vesting under a registered plan | Issuer | 10 | N | 02/09/2026 | Cash |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| CLIFFORD J WALKER | Common | 05/13/2026 | 20,339 | 1,467,053.11 |
| CLIFFORD J WALKER | Common | 05/12/2026 | 9,361 | 667,036.78 |
Seller — prior-sale row 1, entry 1
- Name
- CLIFFORD J WALKER
- Street
- 5245 Hellyer Avenue
- City
- San Jose
- State / country code
- CA
- Postal code
- 95138-1002
Seller — prior-sale row 2, entry 1
- Name
- CLIFFORD J WALKER
- Street
- 5245 Hellyer Avenue
- City
- San Jose
- State / country code
- CA
- Postal code
- 95138-1002
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Remarks
Amendment to Form 144 filed on 05/26/2026, to update the number of shares sold and number of shares acquired.
Notice signature
- Notice date
- 05/28/2026
- Signed
- /s/ Clifford Walker
Company context
Power Integrations, Inc. is a leading innovator in semiconductor technologies for high-voltage power conversion. The company’s products are key building blocks in the clean-power ecosystem, enabling the generation of renewable energy as well as the efficient transmission and consumption of power in applications ranging from milliwatts to megawatts. For more information, please visit www.power.com.