SEC Form 4 · accession 0001490925-26-000003
OSI SYSTEMS INC · OSIS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
William Francis Ballhaus Jr.
Director
Period of report
Jul 20, 2026
Accepted (ET)
Jul 21, 2026 · 4:00 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 Stock | Jul 20, 2026 | A | 924 | $216.65 | A | 4,102 | D | |
| Common StockF1 | holding | — | — | — | 25,373 | I | Ballhaus Trust - See Footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Ballhaus Trust U/A 1/25/02 Dr. William Ballhaus Jr. and Jane K Ballhaus Trustees.