---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-21-011152"
form_type: "8-K"
ticker: "PDFS"
cik: "0001120914"
company_name: "PDF SOLUTIONS INC"
filed_at: "2021-08-10T23:59:59+00:00"
generated_at: "2026-06-29T16:13:32.674733+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# PDF Solutions Q2 revenue $27.4M (+28% YoY); raises FY21 growth guidance to 20-25%

## Summary
- Revenue $27.4M (+28% YoY); Analytics revenue $19.6M (+29% YoY); IYR $7.8M.
- GAAP gross margin 61%; Non-GAAP gross margin 65%. GAAP EPS ($0.12); Non-GAAP EPS ($0.01).
- Backlog $138.6M (+118% YoY); H1 bookings up ~60% vs H1 2020.
- FY2021 guidance: total revenue growth 20-25% YoY; Analytics revenue growth >30%.
- Operating cash flow $8.1M; cash & investments $139.2M.

## SEC filing metadata
- accession: 0001558370-21-011152
- form_type: 8-K
- ticker: PDFS
- cik: 0001120914
- company_name: PDF SOLUTIONS INC
- filed_at: 2021-08-10T23:59:59+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/1120914/000155837021011152/0001558370-21-011152-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1120914/000155837021011152/pdfs-20210810x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-21-011152
- JSON: https://secwatch.observer/filing/0001558370-21-011152.json
- Plain text: https://secwatch.observer/filing/0001558370-21-011152.txt

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