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: 2012-08-14

Reporting Person: HARTGRING CORNELIS (Vice President, CSS)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-14	Common Stock	M	10000	$5.40	Acquired	79821	Direct
2012-08-14	Common Stock	S	300	$10.15	Disposed	79521	Direct
2012-08-14	Common Stock	S	300	$10.16	Disposed	79221	Direct
2012-08-14	Common Stock	S	100	$10.17	Disposed	79121	Direct
2012-08-14	Common Stock	S	1	$10.18	Disposed	79120	Direct
2012-08-14	Common Stock	S	1400	$10.19	Disposed	77720	Direct
2012-08-14	Common Stock	S	800	$10.20	Disposed	76920	Direct
2012-08-14	Common Stock	S	300	$10.21	Disposed	76620	Direct
2012-08-14	Common Stock	S	300	$10.22	Disposed	76320	Direct
2012-08-14	Common Stock	S	100	$10.23	Disposed	76220	Direct
2012-08-14	Common Stock	S	300	$10.25	Disposed	75920	Direct
2012-08-14	Common Stock	S	100	$10.29	Disposed	75820	Direct
2012-08-14	Common Stock	S	79	$10.30	Disposed	75741	Direct
2012-08-14	Common Stock	S	100	$10.31	Disposed	75641	Direct
2012-08-14	Common Stock	S	100	$10.33	Disposed	75541	Direct
2012-08-14	Common Stock	S	100	$10.34	Disposed	75441	Direct
2012-08-14	Common Stock	S	300	$10.35	Disposed	75141	Direct
2012-08-14	Common Stock	S	397	$10.36	Disposed	74744	Direct
2012-08-14	Common Stock	S	1600	$10.37	Disposed	73144	Direct
2012-08-14	Common Stock	S	1000	$10.38	Disposed	72144	Direct
2012-08-14	Common Stock	S	2000	$10.39	Disposed	70144	Direct
2012-08-14	Common Stock	S	323	$10.40	Disposed	69821	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-14	Stock option (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.