Osi Systems Inc SEC filings OSIS
Osi Systems Inc has 1,000 filings in SEC EDGAR's recent list, going back to Sep 3, 2015. Its latest annual report, Form ARS, was filed on Oct 26, 2026 for the period ended Jun 30, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on June 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2026 | — |
| 10-Q | Quarterly report | Oct 29, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 27, 2026 | — |
| ARS | Annual report to shareholders | Oct 26, 2026 | Jun 30, 2026 |
| DEFA14A | Additional proxy material | Oct 26, 2026 | — |
| DEF 14A | Proxy statement | Oct 26, 2026 | Dec 10, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 22, 2026 |
| 10-K | Annual report | Aug 21, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 20, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 31, 2026 | — |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 6, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 10-Q | Quarterly report | May 4, 2026 | Mar 31, 2026 |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| 8-K |
Current report
Results of operations
|
May 4, 2026 | May 4, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 24, 2026 | Apr 23, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | Mar 23, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 144 | Notice of proposed sale | Feb 2, 2026 | — |
| 10-Q | Quarterly report | Jan 29, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 29, 2026 | Jan 29, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 8, 2026 | — |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 13, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Dec 11, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 4, 2025 | Dec 2, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Nov 22, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Nov 20, 2025 | Nov 20, 2025 |
| 8-K |
Current report
Other events
|
Nov 18, 2025 | Nov 17, 2025 |
| 8-K |
Current report
Other events
|
Nov 17, 2025 | Nov 17, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 12, 2025 | — |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| 4 | Insider transaction | Nov 7, 2025 | Nov 7, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 7, 2025 |
| 144 | Notice of proposed sale | Nov 7, 2025 | — |
| 144 | Notice of proposed sale | Nov 7, 2025 | — |
| 4 | Insider transaction | Nov 6, 2025 | Nov 4, 2025 |
| 10-Q | Quarterly report | Oct 30, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2025 | Oct 30, 2025 |
| ARS | Annual report to shareholders | Oct 22, 2025 | Jun 30, 2025 |
| DEFA14A | Additional proxy material | Oct 22, 2025 | — |
| DEF 14A | Proxy statement | Oct 22, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Oct 14, 2025 | Oct 10, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 4 | Insider transaction | Sep 22, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 15, 2025 | Sep 12, 2025 |
| 144 | Notice of proposed sale | Sep 12, 2025 | — |
| 4 | Insider transaction | Sep 5, 2025 | Sep 4, 2025 |
| 144 | Notice of proposed sale | Sep 4, 2025 | — |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 25, 2025 | Aug 22, 2025 |
| 10-K | Annual report | Aug 25, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 21, 2025 | Aug 21, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 14, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 28, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 28, 2025 |
| 3 | Initial insider ownership | Jul 23, 2025 | Jul 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 18, 2025 | — |
| 4 | Insider transaction | Jul 18, 2025 | Jul 9, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 6, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 144 | Notice of proposed sale | Jun 12, 2025 | — |
| 8-K |
Current report
Officer or director change
|
May 28, 2025 | May 27, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 144 | Notice of proposed sale | May 21, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 16, 2025 | — |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 144 | Notice of proposed sale | May 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2025 | — |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 144 | Notice of proposed sale | May 8, 2025 | — |
| 4 | Insider transaction | May 7, 2025 | May 6, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 144 | Notice of proposed sale | May 6, 2025 | — |
| 144 | Notice of proposed sale | May 6, 2025 | — |
| 144 | Notice of proposed sale | May 5, 2025 | — |
| 4 | Insider transaction | May 2, 2025 | Apr 23, 2025 |
| 10-Q | Quarterly report | May 2, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| 3 | Initial insider ownership | Feb 26, 2025 | Feb 1, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 19, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 4 | Insider transaction | Jan 31, 2025 | Jan 30, 2025 |
| 144 | Notice of proposed sale | Jan 30, 2025 | — |
| 4 | Insider transaction | Jan 27, 2025 | Jan 27, 2025 |
| 144 | Notice of proposed sale | Jan 27, 2025 | — |
| 10-Q | Quarterly report | Jan 24, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 23, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 13, 2024 |
| 144 | Notice of proposed sale | Dec 13, 2024 | — |
| 144 | Notice of proposed sale | Dec 13, 2024 | — |
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- OSIS (Nasdaq)
- Fiscal year ends
- June 30
- Incorporated in
- DE
- Headquarters
- Hawthorne, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1039065
- Former names
- OSI SYSTEMS INC (until Nov 5, 2026)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.