---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-114644"
form_type: "8-K"
ticker: "OSIS"
cik: "0001039065"
company_name: "OSI SYSTEMS INC"
filed_at: "2025-11-20T23:59:59+00:00"
generated_at: "2026-05-16T17:51:47.693711+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# OSI Systems issues $500M 0.50% convertible notes due 2031, initial conversion price ~$353.82

## Summary
- $500M aggregate principal of 0.50% convertible senior notes due Feb 1, 2031; initial purchasers have 13-day option for additional $75M.
- Notes convert at 2.8263 shares per $1,000 principal (initial conversion price ~$353.82/share); settlement in cash and/or stock at company's election.
- Interest payable semi-annually at 0.50% from Aug 1, 2026; notes redeemable on/after Feb 6, 2029 if stock price exceeds 130% of conversion price.
- Net proceeds used for general corporate purposes; notes are senior unsecured and rank equally with existing 2.25% convertible notes due 2029.

## SEC filing metadata
- accession: 0001104659-25-114644
- form_type: 8-K
- ticker: OSIS
- cik: 0001039065
- company_name: OSI SYSTEMS INC
- filed_at: 2025-11-20T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1039065/000110465925114644/0001104659-25-114644-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1039065/000110465925114644/tm2531837d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-114644
- JSON: https://secwatch.observer/filing/0001104659-25-114644.json
- Plain text: https://secwatch.observer/filing/0001104659-25-114644.txt

## Key facts
- Equity Issuances
  OSI SYSTEMS INC issued $500,000,000 aggregate principal amount of convertible note.
  - Security: convertible note
  - Shares: $500,000,000 aggregate principal amount
  source text: On November 20, 2025, OSI Systems, Inc. (the “Company”) issued $500,000,000 aggregate principal amount of its 0.50% Convertible Senior Notes due 2031 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1039065/000110465925114644/0001104659-25-114644-index.htm

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