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BCS

Notice of Proposed Sale · 144

Power Integrations, Inc.

POWINASDAQEQUITYCurrent

Notice of Proposed Sale

Filed May 29, 2026Accepted May 29, 2026, 4:37 PM EDTFiling CIK 833640Accession 0001950047-26-005313
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Structured filing — 144

primary_doc.xml

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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
SUNIL K GUPTA
Relationships to issuer
Officer
Street
5245 Hellyer Avenue
City
San Jose
State / country code
CA
Postal code
95138-1002

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common6,860573,960.4255,719,98405/29/2026NASDAQMorgan 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

Acquisition of securities to be sold · 3 reported rows
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common08/24/2024Restricted StockIssuer3,152N08/24/2024Not Applicable
Common02/01/2025Restricted StockIssuer2,392N02/01/2025Not Applicable
Common02/02/2025Restricted StockIssuer1,316N02/02/2025Not Applicable

Sales reported in the preceding three months

Sales reported in the preceding three months · 1 reported row
SellerSecuritySale dateAmount soldGross proceeds
SUNIL K GUPTACommon05/26/202615,8941,306,245.21

Seller — prior-sale row 1, entry 1

Name
SUNIL K GUPTA
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

Notice signature

Notice date
05/29/2026
Signed
/s/ Sunil Kumar Gupta

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.

Current securities

Recent company filings

  1. 10-Q filingNov 5, 2026
  2. Results of Operations and Financial ConditionNov 4, 2026
  3. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsAug 14, 2026
  4. S-8 filingAug 6, 2026
  5. 10-Q filingAug 6, 2026

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