PDF SOLUTIONS INC (PDFS)
Latest PDFS Insider Trades
Shuo Zhang - DirectorOpen-market sale$77K
Michael B. GustafsonOpen-market purchase$146K
About PDF SOLUTIONS INC (PDFS)
PDF Solutions Inc provides products and services designed to empower organizations across the semiconductor and electronics ecosystem to connect, collect, manage, and analyze data about design, equipment, manufacturing, and test to improve the yield and quality of their products and operational efficiency. The Company's products, services, and solutions include proprietary software, physical intellectual property (IP) for integrated circuit (IC) designs, electrical measurement hardware tools, methodologies, and professional services.
- SANTA CLARA, CA
- 600
- 2001
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 1 | 1,501 | $77K |
| Grant or award | 8 | 44,944 | |
| Tax withholding / forfeiture | 2 | 7,366 |
PDFS Insider Transactions (Form 4)
2724 Form 4 filings on record, the earliest from Dec 12, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Shuo Zhang - Director | Open-market sale | Common Stock |
Recent PDFS Form 8-K Filings
5Recent PDFS Form 144 Notices of Proposed Sale
1A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| SHUO ZHANG | Director | 1,501 | $77K | View on EDGAR |
PDFS Insider Trading - FAQ
What is the latest insider trade for PDFS?
PDF SOLUTIONS INC (PDFS) had 9 insider filings in the last 90 days, with the most recent on 2026-08-13. The full record for PDFS runs to 24 Form 4 filings, the earliest from 2024-12-12. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying PDFS stock?
No insider purchases of PDFS were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling PDFS stock?
1 insider sale of PDFS was filed in the last 90 days, totaling $77K.
Where can I see PDFS SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks PDFS Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow PDFS insider buys?
Create a free InsiderAlpha account and press Watch on this page to add PDFS to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Shuo Zhang view on EDGAR
- - Andrzej Strojwas view on EDGAR
- - Shuo Zhang view on EDGAR
- - Michael B. Gustafson view on EDGAR
- - Chi-Foon Chan view on EDGAR
- - Joseph R. Bronson view on EDGAR
- - Ye Jane Li view on EDGAR
- - Nancy Erba view on EDGAR
- - Adnan Raza view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Information Technology
- Where PDFS's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track PDFS insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
