0001950047-23-003317.txt : 20230821 0001950047-23-003317.hdr.sgml : 20230821 20230821164154 ACCESSION NUMBER: 0001950047-23-003317 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230821 DATE AS OF CHANGE: 20230821 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: 231189683 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: Bailey Doug CENTRAL INDEX KEY: 0001389039 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 5245 HELLYER AVE CITY: SAN JOSE STATE: CA ZIP: 95138 144 1 primary_doc.xml 144 0001389039 XXXXXXXX LIVE 0000833640 POWER INTEGRATIONS, INC. 000-23441 5245 Hellyer Avenue San Jose CA 95138 (408) 414-9200 DOUGLAS BAILEY Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Floor New York NY 10004

1000 81618.70 57393956 08/21/2023 NASDAQ Common 02/02/2021 Restricted stock vesting under a registered plan Issuer N 1000 02/02/2021 Not Applicable N Douglas Bailey

5245 Hellyer Avenue San Jose CA 95138

Common 05/26/2023 1000 89769.00 08/21/2023 /s/ Douglas Bailey