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

Role: Director
Signature: /s/ Adnan Raza, Attorney-in-Fact for Michael B. Gustafson
Issuer symbol: PDFS
Transactions as of: 01 Jul 2025
Net transactions value: $0
Form type: 4
Filing time: 02 Jul 2025, 16:16:44 UTC
Previous filing: 14 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
GUSTAFSON MICHAEL B	Director	2858 DE LA CRUZ BLVD., SANTA CLARA	/s/ Adnan Raza, Attorney-in-Fact for Michael B. Gustafson	02 Jul 2025	0001245081

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PDFS	Common Stock	Award		+7,429	+25%		37,503	01 Jul 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.