PDF SOLUTIONS INC — Director's Dealing 2012

Aug 17, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PDF SOLUTIONS INC (PDFS)
CIK: 0001120914
Period of Report: 2012-08-15

Reporting Person: HARTGRING CORNELIS (Vice President, CSS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-15	Common Stock	M	10000	$5.40	Acquired	79821	Direct
2012-08-15	Common Stock	S	300	$10.07	Disposed	79521	Direct
2012-08-15	Common Stock	S	100	$10.08	Disposed	79421	Direct
2012-08-15	Common Stock	S	200	$10.10	Disposed	79221	Direct
2012-08-15	Common Stock	S	500	$10.11	Disposed	78721	Direct
2012-08-15	Common Stock	S	600	$10.1950	Disposed	78121	Direct
2012-08-15	Common Stock	S	100	$10.1980	Disposed	78021	Direct
2012-08-15	Common Stock	S	952	$10.20	Disposed	77069	Direct
2012-08-15	Common Stock	S	100	$10.21	Disposed	76969	Direct
2012-08-15	Common Stock	S	1300	$10.22	Disposed	75669	Direct
2012-08-15	Common Stock	S	3948	$10.23	Disposed	71721	Direct
2012-08-15	Common Stock	S	900	$10.235	Disposed	70821	Direct
2012-08-15	Common Stock	S	300	$10.24	Disposed	70521	Direct
2012-08-15	Common Stock	S	100	$10.245	Disposed	70421	Direct
2012-08-15	Common Stock	S	400	$10.25	Disposed	70021	Direct
2012-08-15	Common Stock	S	200	$10.305	Disposed	69821	Direct
2012-08-16	Common Stock	M	547	$5.40	Acquired	70368	Direct
2012-08-16	Common Stock	M	9453	$5.40	Acquired	79821	Direct
2012-08-16	Common Stock	S	200	$10.30	Disposed	79621	Direct
2012-08-16	Common Stock	S	500	$10.31	Disposed	79121	Direct
2012-08-16	Common Stock	S	300	$10.32	Disposed	78821	Direct
2012-08-16	Common Stock	S	200	$10.33	Disposed	78621	Direct
2012-08-16	Common Stock	S	1500	$10.34	Disposed	77121	Direct
2012-08-16	Common Stock	S	100	$10.348	Disposed	77021	Direct
2012-08-16	Common Stock	S	1668	$10.35	Disposed	75353	Direct
2012-08-16	Common Stock	S	4400	$10.355	Disposed	70953	Direct
2012-08-16	Common Stock	S	810	$10.36	Disposed	70143	Direct
2012-08-16	Common Stock	S	2	$10.39	Disposed	70141	Direct
2012-08-16	Common Stock	S	320	$10.34	Disposed	69821	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-15	Stock Options (Right to Buy)	$5.40	M	10000	Acquired	2012-09-02	Common Stock (10000)	Direct
2012-08-16	Stock Options (Right to Buy)	$5.40	M	547	Acquired	2012-09-02	Common Stock (547)	Direct
2012-08-16	Stock Options (Right to Buy)	$5.40	M	9453	Acquired	2012-09-02	Common Stock (9453)	Direct

Footnotes

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