0001950047-23-003589.txt : 20230831 0001950047-23-003589.hdr.sgml : 20230831 20230831171714 ACCESSION NUMBER: 0001950047-23-003589 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230831 DATE AS OF CHANGE: 20230831 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: POWER INTEGRATIONS INC CENTRAL INDEX KEY: 0000833640 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 943065014 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-23441 FILM NUMBER: 231229481 BUSINESS ADDRESS: STREET 1: 5245 HELLYER AVE CITY: SAN JOSE STATE: CA ZIP: 95138 BUSINESS PHONE: 4084149200 MAIL ADDRESS: STREET 1: 5245 HELLYER AVE CITY: SAN JOSE STATE: CA ZIP: 95138 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: WALKER CLIFFORD CENTRAL INDEX KEY: 0001182413 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O POWER INTEGRATIONS STREET 2: 5245 HELLYER AVE CITY: SAN JOSE STATE: CA ZIP: 95138 144 1 primary_doc.xml 144 0001182413 XXXXXXXX LIVE 0000833640 POWER INTEGRATIONS, INC. 000-23441 5245 Hellyer Avenue San Jose CA 95138 (408) 414-9200 CLIFFORD WALKER Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Floor New York NY 10004

10000 839861.00 57393956 08/31/2023 NASDAQ common 02/04/2021 Restricted stock vesting under a registered plan Issuer N 1560 02/04/2021 Compensation common 07/31/2020 Shares Purchased through Employee Stock Purchase Plan Issuer N 256 07/31/2020 Cash common 04/01/2020 Restricted stock vesting under a registered plan Issuer N 1049 04/01/2020 Compensation common 01/31/2021 Shares Purchased through Employee Stock Purchase Plan Issuer N 205 01/31/2021 Cash common 02/02/2021 Restricted stock vesting under a registered plan Issuer N 2247 02/02/2021 Compensation common 02/05/2021 Restricted stock vesting under a registered plan Issuer N 3765 02/05/2021 Compensation common 02/05/2021 Performance Stock Units Issuer N 165 02/05/2021 Compensation common 02/12/2021 Restricted stock vesting under a registered plan Issuer N 753 02/12/2021 Compensation Y 08/31/2023 /s/ Clifford Walker