---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-22-001189"
form_type: "8-K"
ticker: "PDFS"
cik: "0001120914"
company_name: "PDF SOLUTIONS INC"
filed_at: "2022-02-15T23:59:59+00:00"
generated_at: "2026-06-27T07:50:57.288617+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# PDF Solutions reports record FY2021 revenue $111.1M, up 26% YoY; guides FY2022 growth >20%

## Summary
- Record full-year 2021 total revenue of $111.1M (+26% YoY); analytics revenue 84% of total.
- GAAP net loss $21.5M ($0.58 loss per share); non-GAAP net income $3.0M ($0.08 per diluted share).
- Q4 2021 revenue $29.9M (+34% YoY); GAAP net loss $7.0M; non-GAAP net income $2.8M.
- Backlog $179.5M at Dec 31, 2021, up 66% vs. Dec 31, 2020.
- Expects FY2022 total revenue growth >20% YoY.

## SEC filing metadata
- accession: 0001558370-22-001189
- form_type: 8-K
- ticker: PDFS
- cik: 0001120914
- company_name: PDF SOLUTIONS INC
- filed_at: 2022-02-15T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1120914/000155837022001189/0001558370-22-001189-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1120914/000155837022001189/pdfs-20220215x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-22-001189
- JSON: https://secwatch.observer/filing/0001558370-22-001189.json
- Plain text: https://secwatch.observer/filing/0001558370-22-001189.txt

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