PDF SOLUTIONS INC — Director's Dealing 2012

Sep 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PDF SOLUTIONS INC (PDFS)
CIK: 0001120914
Period of Report: 2012-09-13

Reporting Person: Yu Albert YC (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-13	Common Stock	M	468	$2.30	Acquired	16817	Direct
2012-09-13	Common Stock	M	3515	$8.79	Acquired	20332	Direct
2012-09-13	Common Stock	M	416	$4.82	Acquired	20748	Direct
2012-09-13	Common Stock	M	234	$6.21	Acquired	20982	Direct
2012-09-13	Common Stock	S	4633	$12.858	Disposed	16349	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-09-13	Stock Options (Right to Buy)	$2.30	M	468	Acquired	2019-07-30	Common Stock (468)	Direct
2012-09-13	Stock Options (Right to Buy)	$4.82	M	416	Acquired	2020-05-17	Common Stock (416)	Direct
2012-09-13	Stock Options (Right to Buy)	$6.21	M	234	Acquired	2021-05-26	Common Stock (234)	Direct
2012-09-13	Stock Options (Right to Buy)	$8.79	M	3515	Acquired	2022-05-21	Common Stock (3515)	Direct

Footnotes

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 $12.82 to $12.89.