SEC Form 4 · accession 0001286090-26-000009
OSI SYSTEMS INC · OSIS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Victor S Sze
Officer — GENERAL COUNSEL
Period of report
Aug 24, 2026
Accepted (ET)
Aug 26, 2026 · 12:20 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001039065
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 24, 2026 | A | 16,845 | $206.73 | A | 110,606 | D | |
| Common StockF2 | Aug 24, 2026 | F | 14,999 | $206.73 | D | 95,607 | D | |
| Common StockF3 | holding | — | — | — | 5,388 | I | Please see footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1RSUs are issued pursuant to performance based vesting.
- F2Pursuant to a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.
- F3Victor So-Mien Sze & Angela Hsin-Chi Hsu Co-ttee Sze Trust U/T/A DTD 11/25/2014