---
schema_version: "secwatch.filing_event.v1"
accession: "0001654954-21-009899"
form_type: "8-K"
ticker: "LPTH"
cik: "0000889971"
company_name: "LIGHTPATH TECHNOLOGIES INC"
filed_at: "2021-09-09T23:59:59+00:00"
generated_at: "2026-06-29T05:02:34.130426+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# LightPath FY2021 revenue up 10% to $38.5M but net loss of $3.2M vs prior-year income; Q4 loss deepens

## Summary
- Full-year revenue $38.5M (+10% YoY); net loss $3.2M vs net income $867K in FY2020.
- Q4 revenue $8.3M (-9% YoY); net loss $2.9M vs net income $657K in Q4 2020.
- EBITDA fell to $1.5M (FY2021) from $5.4M; Q4 EBITDA loss of $2.0M vs $1.7M gain.
- Backlog $21.3M at June 30, 2021, down from $21.9M; cash rose 26% to $6.8M.
- Losses attributed to higher operating expenses from China management changes and non-recurring costs.

## SEC filing metadata
- accession: 0001654954-21-009899
- form_type: 8-K
- ticker: LPTH
- cik: 0000889971
- company_name: LIGHTPATH TECHNOLOGIES INC
- filed_at: 2021-09-09T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- 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/889971/000165495421009899/0001654954-21-009899-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889971/000165495421009899/lpth_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001654954-21-009899
- JSON: https://secwatch.observer/filing/0001654954-21-009899.json
- Plain text: https://secwatch.observer/filing/0001654954-21-009899.txt

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