PDF SOLUTIONS INC - Director's Dealing 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PDF SOLUTIONS INC (PDFS)
CIK: 0001120914
Period of Report: 2012-08-21

Reporting Person: HARTGRING CORNELIS (Vice President, CSS)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-21	Common Stock	M	10000	$5.40	Acquired	79821	Direct
2012-08-21	Common Stock	S	100	$10.94	Disposed	79721	Direct
2012-08-21	Common Stock	S	200	$10.99	Disposed	79521	Direct
2012-08-21	Common Stock	S	300	$11	Disposed	79221	Direct
2012-08-21	Common Stock	S	500	$11.01	Disposed	78721	Direct
2012-08-21	Common Stock	S	1258	$11.16	Disposed	77463	Direct
2012-08-21	Common Stock	S	1046	$11.17	Disposed	76417	Direct
2012-08-21	Common Stock	S	368	$11.20	Disposed	76049	Direct
2012-08-21	Common Stock	S	742	$11.21	Disposed	75307	Direct
2012-08-21	Common Stock	S	300	$11.22	Disposed	75007	Direct
2012-08-21	Common Stock	S	300	$11.23	Disposed	74700	Direct
2012-08-21	Common Stock	S	2480	$11.24	Disposed	72227	Direct
2012-08-21	Common Stock	S	901	$11.25	Disposed	71326	Direct
2012-08-21	Common Stock	S	200	$11.26	Disposed	71126	Direct
2012-08-21	Common Stock	S	200	$11.28	Disposed	70926	Direct
2012-08-21	Common Stock	S	600	$11.29	Disposed	70326	Direct
2012-08-21	Common Stock	S	200	$11.30	Disposed	70126	Direct
2012-08-21	Common Stock	S	100	$11.32	Disposed	70026	Direct
2012-08-21	Common Stock	S	100	$11.33	Disposed	69926	Direct
2012-08-21	Common Stock	S	100	$11.34	Disposed	69826	Direct
2012-08-21	Common Stock	S	5	$11.36	Disposed	69821	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-21	Stock Options (Right to Buy)	$5.40	M	10000	Acquired	2012-09-02	Common Stock (10000)	Direct

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