---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-054857"
form_type: "8-K"
ticker: "OSIS"
cik: "0001039065"
company_name: "OSI SYSTEMS INC"
filed_at: "2026-05-04T23:59:59+00:00"
generated_at: "2026-05-14T23:48:21.955677+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# OSI Systems reports Q3 FY2026 record revenue $453M, non-GAAP EPS $2.60; backlog $1.9B

## Summary
- Record Q3 revenues of $453M (+2% YoY); GAAP diluted EPS $2.33 (-3% YoY); non-GAAP diluted EPS $2.60 (+7% YoY).
- Backlog reaches record $1.9B, with book-to-bill ratio of 1.3x.
- Security division revenue excluding large Mexico contracts grew 25% YoY; Optoelectronics division revenue up 10%.
- Operating cash flow $14.5M, down from $81.6M in prior year Q3.
- Reiterates FY2026 guidance: revenue $1.825B-$1.867B, non-GAAP EPS $10.30-$10.55.

## SEC filing metadata
- accession: 0001104659-26-054857
- form_type: 8-K
- ticker: OSIS
- cik: 0001039065
- company_name: OSI SYSTEMS INC
- filed_at: 2026-05-04T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1039065/000110465926054857/0001104659-26-054857-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1039065/000110465926054857/tm2613470d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-054857
- JSON: https://secwatch.observer/filing/0001104659-26-054857.json
- Plain text: https://secwatch.observer/filing/0001104659-26-054857.txt

## Key facts
- Earnings Releases
  OSI SYSTEMS INC reported third quarter of fiscal 2026 results: revenue $453,246, EPS $2.33. Guidance reaffirmed.
  - Period: third quarter of fiscal 2026
  - Revenue: $453,246
  - EPS: $2.33
  - Guidance: reaffirmed
  - Result: reported results
  source text: Summary Three Months Ended March 31, Nine Months Ended March 31, (Dollars in thousands, except per-share amounts) 2025 2026 % Growth 2025 2026 % Growth Revenues $ 444,354 $ 453,246 2 % $ 1,208,181 1,301,926 8 % Diluted earnings per share - GAAP $ 2.40 $ 2.33 -3 % $ 5.67 $ 5.71 1 % Diluted earnings per share - non-GAAP $ 2.44 $ 2.60 7 % $ 6.11 $ 6.60 8 % Cash
  evidence_url: https://www.sec.gov/Archives/edgar/data/1039065/000110465926054857/0001104659-26-054857-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.