# OSI Systems Inc: filings

OSIS · Nasdaq · CIK 1039065 · [Technology](/sectors/technology.md) · fiscal year ends Jun 30

Pages: [Overview](/companies/osis.md) · [Financials](/companies/osis/financials.md) · [Filings](/companies/osis/filings.md) · [Insiders](/companies/osis/insiders.md)

## Reports and events: 249 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 927, 8-K 151, SC 13G/A 63, 144 62, 10-Q 54, UPLOAD 23, 3 20, DEFA14A 19, 10-K 18, DEF 14A 18, CORRESP 15, SD 13, SC 13G 12, SCHEDULE 13G/A 12, 4/A 10, 8-K/A 7, S-8 7, S-8 POS 7, EFFECT 6, POS AM 6, SCHEDULE 13G 5, ARS 4, 8-A12G/A 3, 3/A 2, CT ORDER 2, 10-K/A 1, 8-K12G3 1, DEFR14A 1, NT 10-K 1, PRE 14A 1, SC 14N 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-29 | 17:23 ET | [10-Q](/filings/0001104659-26-120281.md) | Quarterly report, period 2026-09-30 | 0001104659-26-120281 |
| 2026-10-29 | 16:01 ET | [8-K](/filings/0001104659-26-120184.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-120184 |
| 2026-10-26 | 16:05 ET | [DEF 14A](/filings/0001104659-26-118777.md) | Proxy statement, period 2026-12-10 | 0001104659-26-118777 |
| 2026-08-21 | 17:28 ET | [10-K](/filings/0001104659-26-099752.md) | Annual report, period 2026-06-30 | 0001104659-26-099752 |
| 2026-08-20 | 16:02 ET | [8-K](/filings/0001104659-26-099215.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-099215 |
| 2026-05-04 | 17:24 ET | [10-Q](/filings/0001104659-26-055014.md) | Quarterly report, period 2026-03-31 | 0001104659-26-055014 |
| 2026-05-04 | 16:01 ET | [8-K](/filings/0001104659-26-054857.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-054857 |
| 2026-01-29 | 17:25 ET | [10-Q](/filings/0001104659-26-008109.md) | Quarterly report, period 2025-12-31 | 0001104659-26-008109 |
| 2026-01-29 | 16:04 ET | [8-K](/filings/0001104659-26-007970.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-007970 |
| 2025-12-11 | 15:51 ET | [8-K](/filings/0001104659-25-120300.md) | 5.07 Shareholder vote results | 0001104659-25-120300 |
| 2025-11-20 | 16:48 ET | [8-K](/filings/0001104659-25-114644.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001104659-25-114644 |
| 2025-11-18 | 09:08 ET | [8-K](/filings/0001104659-25-113487.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-113487 |
| 2025-11-17 | 07:45 ET | [8-K](/filings/0001104659-25-112952.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-112952 |
| 2025-10-30 | 17:13 ET | [10-Q](/filings/0001104659-25-104478.md) | Quarterly report, period 2025-09-30 | 0001104659-25-104478 |
| 2025-10-30 | 16:05 ET | [8-K](/filings/0001104659-25-104361.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-104361 |
| 2025-10-22 | 16:01 ET | [DEF 14A](/filings/0001104659-25-101517.md) | Proxy statement, period 2025-12-11 | 0001104659-25-101517 |
| 2025-08-25 | 09:01 ET | [10-K](/filings/0001410578-25-001887.md) | Annual report, period 2025-06-30 | 0001410578-25-001887 |
| 2025-08-21 | 08:33 ET | [8-K](/filings/0001104659-25-081197.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-081197 |
| 2025-07-02 | 10:47 ET | [8-K](/filings/0001104659-25-065069.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-25-065069 |
| 2025-05-28 | 16:06 ET | [8-K](/filings/0001104659-25-053563.md) | 5.02 Departure or appointment of officers or directors | 0001104659-25-053563 |
| 2025-05-02 | 16:17 ET | [10-Q](/filings/0001410578-25-001066.md) | Quarterly report, period 2025-03-31 | 0001410578-25-001066 |
| 2025-05-01 | 08:30 ET | [8-K](/filings/0001104659-25-043075.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-043075 |
| 2025-01-24 | 17:01 ET | [10-Q](/filings/0001410578-25-000048.md) | Quarterly report, period 2024-12-31 | 0001410578-25-000048 |
| 2025-01-23 | 08:30 ET | [8-K](/filings/0001104659-25-005464.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-005464 |
| 2024-12-13 | 13:27 ET | [8-K](/filings/0001104659-24-128331.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001104659-24-128331 |
| 2024-12-05 | 17:07 ET | [8-K](/filings/0001104659-24-125946.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-125946 |
| 2024-10-25 | 17:00 ET | [10-Q](/filings/0001410578-24-001699.md) | Quarterly report, period 2024-09-30 | 0001410578-24-001699 |
| 2024-10-25 | 16:00 ET | [DEF 14A](/filings/0001104659-24-111456.md) | Proxy statement, period 2024-12-12 | 0001104659-24-111456 |
| 2024-10-24 | 08:30 ET | [8-K](/filings/0001104659-24-111032.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-111032 |
| 2024-08-29 | 17:15 ET | [10-K](/filings/0001410578-24-001571.md) | Annual report, period 2024-06-30 | 0001410578-24-001571 |
| 2024-08-23 | 16:16 ET | [8-K](/filings/0001104659-24-092440.md) | 5.02 Departure or appointment of officers or directors | 0001104659-24-092440 |
| 2024-08-22 | 09:00 ET | [8-K](/filings/0001104659-24-091849.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-091849 |
| 2024-07-19 | 16:01 ET | [8-K](/filings/0001104659-24-081153.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001104659-24-081153 |
| 2024-07-17 | 21:57 ET | [8-K](/filings/0001104659-24-080298.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-080298 |
| 2024-07-16 | 07:09 ET | [8-K](/filings/0001104659-24-080024.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-080024 |
| 2024-05-03 | 17:12 ET | [8-K](/filings/0001104659-24-057065.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001104659-24-057065 |
| 2024-04-30 | 15:56 ET | [10-Q](/filings/0001410578-24-000570.md) | Quarterly report, period 2024-03-31 | 0001410578-24-000570 |
| 2024-04-25 | 08:30 ET | [8-K](/filings/0001104659-24-051657.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-051657 |
| 2024-01-26 | 16:00 ET | [10-Q](/filings/0001104659-24-007226.md) | Quarterly report, period 2023-12-31 | 0001104659-24-007226 |
| 2024-01-25 | 09:00 ET | [8-K](/filings/0001157523-24-000110.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001157523-24-000110 |
| 2023-12-12 | 16:37 ET | [8-K](/filings/0001104659-23-125389.md) | 5.07 Shareholder vote results | 0001104659-23-125389 |
| 2023-10-27 | 16:00 ET | [10-Q](/filings/0001104659-23-112155.md) | Quarterly report, period 2023-09-30 | 0001104659-23-112155 |
| 2023-10-27 | 19:00 ET | [DEF 14A](/filings/0001104659-23-111812.md) | Proxy statement, period 2023-12-12 | 0001104659-23-111812 |
| 2023-10-26 | 09:00 ET | [8-K](/filings/0001157523-23-001558.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001157523-23-001558 |
| 2023-08-29 | 12:40 ET | [10-K](/filings/0001104659-23-096477.md) | Annual report, period 2023-06-30 | 0001104659-23-096477 |
| 2023-08-24 | 08:14 ET | [8-K](/filings/0001157523-23-001361.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001157523-23-001361 |
| 2023-04-28 | 16:05 ET | [10-Q](/filings/0001104659-23-052913.md) | Quarterly report, period 2023-03-31 | 0001104659-23-052913 |
| 2023-04-27 | 09:00 ET | [8-K](/filings/0001157523-23-000633.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001157523-23-000633 |
| 2023-03-21 | 09:44 ET | [8-K](/filings/0001104659-23-034770.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-23-034770 |
| 2023-01-30 | 16:32 ET | [8-K](/filings/0001104659-23-008000.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001104659-23-008000 |

Page 1 of 5. [Older](/companies/osis/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 20:27 ET. No prices; not investment advice.