Michael B. Gustafson - 01 Jul 2025 Form 4 Insider Report for PDF SOLUTIONS INC (PDFS)

Reporting relationship: Director
Issuer ticker: PDFS
Reported as of: 01 Jul 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jul 2025, 16:16:44 UTC
Prior SEC filing: 14 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Adnan Raza, Attorney-in-Fact for Michael B. Gustafson

Key filing fact

Michael B. Gustafson filed Form 4 for PDF SOLUTIONS INC (PDFS) on 02 Jul 2025.

Key facts

This page summarizes Michael B. Gustafson's Form 4 filing for PDF SOLUTIONS INC (PDFS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Jul 2025, 16:16.

Change

Previous filing in this sequence was filed on 14 May 2025.
Current net transaction value: $0.

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 0001245081 Primary reporting owner

GUSTAFSON MICHAEL B

Relationship: Director
Address: 2858 DE LA CRUZ BLVD., SANTA CLARA
Signature: /s/ Adnan Raza, Attorney-in-Fact for Michael B. Gustafson
Signature date: 02 Jul 2025

Reported non-derivative transactions

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

PDFS transaction

Common Stock

Award

Transaction value
Shares: +7,429
Change %: +25%
Price
Shares after: 37,503
Date: 01 Jul 2025
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.