Andrzej Strojwas - 31 Aug 2026 Form 4 Insider Report for PDF SOLUTIONS INC (PDFS)

Reporting relationship: Chief Technology Officer
Issuer ticker: PDFS
Reported as of: 31 Aug 2026
Net transaction value: -$150,728
SEC form: 4
Accepted by SEC: 01 Sep 2026, 14:09:26 UTC
Prior SEC filing: 02 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Adnan Raza, Attorney-in-Fact for Andrzej Strojwas

Key filing fact

Andrzej Strojwas filed Form 4 for PDF SOLUTIONS INC (PDFS) on 01 Sep 2026.

Key facts

This page summarizes Andrzej Strojwas's Form 4 filing for PDF SOLUTIONS INC (PDFS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Sep 2026, 14:09.

Change

Previous filing in this sequence was filed on 02 Jul 2026.
Current net transaction value: -$150,728.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001892306 Primary reporting owner

Strojwas Andrzej

Relationship: Chief Technology Officer
Address: 2858 DE LA CRUZ BLVD., SANTA CLARA
Signature: /s/ Adnan Raza, Attorney-in-Fact for Andrzej Strojwas
Signature date: 01 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PDFS transaction

Common Stock

Sale

Transaction value: $150,728
Shares: -3,394
Change %: -3.6%
Price: $44.41
Shares after: 90,965
Date: 31 Aug 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Average weighted sale price for shares disposed of in the reported transaction. The shares were sold in multiple brokers' transactions at various market prices per share ranging from $44.37 to $44.43.

Footnote F2

Includes 156 shares of common stock that were purchased on July 31, 2026 under the PDF Employee Stock Purchase Plan.