0001971857-23-000151.txt : 20230524 0001971857-23-000151.hdr.sgml : 20230524 20230524143557 ACCESSION NUMBER: 0001971857-23-000151 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230524 DATE AS OF CHANGE: 20230524 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: OSI SYSTEMS INC CENTRAL INDEX KEY: 0001039065 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 330238801 STATE OF INCORPORATION: DE FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-23125 FILM NUMBER: 23953490 BUSINESS ADDRESS: STREET 1: 12525 CHADRON AVE CITY: HAWTHORNE STATE: CA ZIP: 90250 BUSINESS PHONE: 3109780516 MAIL ADDRESS: STREET 1: 12525 CHADRON AVENUE CITY: HAWTHORNE STATE: CA ZIP: 90250 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: CHIZEVER GERALD M CENTRAL INDEX KEY: 0001134261 FILING VALUES: FORM TYPE: 144 144 1 primary_doc.xml 144 0001134261 XXXXXXXX LIVE 0001039065 OSI SYSTEMS INC 000-23125 12525 CHADRON AVE HAWTHORNE CA 90250 3109780516 CHIZEVER GERALD M Director COMMON MERRILL LYNCH

2049 CENTURY PARK E SUITE 1200 LOS ANGELES CA 90067

1500 175711.68 16727882 05/17/2023 NASDAQ COMMON 07/15/2019 TIME VESTED RSU N/A N 556 07/15/2019 TIME VESTED RSU COMMON 08/26/2019 TIME VESTED RSU N/A N 537 08/26/2019 TIME VESTED RSU COMMON 07/26/2021 TIME VESTED RSU N/A N 407 07/26/2021 TIME VESTED RSU Y these were acquired as a result of time vested rsu's 05/24/2023 GERALD M. CHIZEVER