PDF SOLUTIONS INC — Director's Dealing 2012

Aug 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PDF SOLUTIONS INC (PDFS)
CIK: 0001120914
Period of Report: 2012-08-13

Reporting Person: HARTGRING CORNELIS (Vice President, CSS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-13	Common Stock	M	10000	$5.40	Acquired	79821	Direct
2012-08-13	Common Stock	S	500	$10.29	Disposed	79321	Direct
2012-08-13	Common Stock	S	100	$10.30	Disposed	79221	Direct
2012-08-13	Common Stock	S	200	$10.31	Disposed	79021	Direct
2012-08-13	Common Stock	S	200	$10.33	Disposed	78821	Direct
2012-08-13	Common Stock	S	100	$10.34	Disposed	78721	Direct
2012-08-13	Common Stock	S	500	$10.35	Disposed	78221	Direct
2012-08-13	Common Stock	S	100	$10.36	Disposed	78121	Direct
2012-08-13	Common Stock	S	200	$10.37	Disposed	77921	Direct
2012-08-13	Common Stock	S	700	$10.40	Disposed	77221	Direct
2012-08-13	Common Stock	S	500	$10.405	Disposed	76721	Direct
2012-08-13	Common Stock	S	300	$10.41	Disposed	76421	Direct
2012-08-13	Common Stock	S	6500	$10.42	Disposed	69921	Direct
2012-08-13	Common Stock	S	100	$10.48	Disposed	69821	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-13	Stock option (Right to Buy)	$5.40	M	10000	Acquired	2012-09-02	Common Stock (10000)	Direct

Footnotes

F1: All transactions reported on this Form 4 were effected pursuance to a rule 10b-5 Sales Plan.