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: 2012-08-24

Reporting Person: HARTGRING CORNELIS (Vice President, CSS)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-24	Common Stock	M	10000	$5.40	Acquired	79821	Direct
2012-08-24	Common Stock	S	15	$11.72	Disposed	79806	Direct
2012-08-24	Common Stock	S	85	$11.79	Disposed	79721	Direct
2012-08-24	Common Stock	S	102	$11.92	Disposed	79619	Direct
2012-08-24	Common Stock	S	200	$11.93	Disposed	79419	Direct
2012-08-24	Common Stock	S	100	$11.9307	Disposed	79319	Direct
2012-08-24	Common Stock	S	100	$11.935	Disposed	79219	Direct
2012-08-24	Common Stock	S	898	$11.94	Disposed	78321	Direct
2012-08-24	Common Stock	S	1101	$11.95	Disposed	77220	Direct
2012-08-24	Common Stock	S	99	$11.96	Disposed	77121	Direct
2012-08-24	Common Stock	S	200	$11.965	Disposed	76921	Direct
2012-08-24	Common Stock	S	900	$11.97	Disposed	76021	Direct
2012-08-24	Common Stock	S	400	$11.98	Disposed	75621	Direct
2012-08-24	Common Stock	S	1800	$11.99	Disposed	73821	Direct
2012-08-24	Common Stock	S	1200	$12	Disposed	72621	Direct
2012-08-24	Common Stock	S	1000	$12.01	Disposed	71621	Direct
2012-08-24	Common Stock	S	400	$12.02	Disposed	71221	Direct
2012-08-24	Common Stock	S	500	$12.03	Disposed	70721	Direct
2012-08-24	Common Stock	S	200	$12.04	Disposed	70521	Direct
2012-08-24	Common Stock	S	700	$12.05	Disposed	69821	Direct
2012-08-27	Common Stock	M	4619	$5.40	Acquired	74440	Direct
2012-08-27	Common Stock	S	900	$12.06	Disposed	73540	Direct
2012-08-27	Common Stock	S	5000	$12.07	Disposed	68540	Direct
2012-08-27	Common Stock	S	4100	$12.09	Disposed	64440	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-24	Stock Options (Right to Buy)	$5.40	M	10000	Acquired	2012-09-02	Common Stock (10000)	Direct
2012-08-27	Stock Options (Right to Buy)	$5.40	M	4619	Acquired	2012-09-02	Common Stock (4619)	Direct

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