---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-226898"
form_type: "8-K"
ticker: "PDFS"
cik: "0001120914"
company_name: "PDF SOLUTIONS INC"
filed_at: "2026-05-15T20:27:39+00:00"
generated_at: "2026-05-15T20:35:12.974658+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# PDF Solutions raises ~$85.7M in equity offering; Advantest America sells shares

## Summary
- Company sold 1,946,630 shares (including 685,246 overallotment) at $44.00/share.
- Gross proceeds to Company ~$85.7M before underwriting discounts and expenses.
- Selling stockholder Advantest America sold 3,306,924 shares; Company received no proceeds.
- Offering underwritten by Morgan Stanley & Co.; closed on May 15, 2026.
- Offered under effective shelf registration S-3 (No. 333-295834).

## SEC filing metadata
- accession: 0001193125-26-226898
- form_type: 8-K
- ticker: PDFS
- cik: 0001120914
- company_name: PDF SOLUTIONS INC
- filed_at: 2026-05-15T20:27:39+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1120914/000119312526226898/0001193125-26-226898-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1120914/000119312526226898/d121225d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-226898
- JSON: https://secwatch.observer/filing/0001193125-26-226898.json
- Plain text: https://secwatch.observer/filing/0001193125-26-226898.txt

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