0001104659-21-088946.txt : 20210702
0001104659-21-088946.hdr.sgml : 20210702
20210702165734
ACCESSION NUMBER: 0001104659-21-088946
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210701
FILED AS OF DATE: 20210702
DATE AS OF CHANGE: 20210702
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Zhang Shuo
CENTRAL INDEX KEY: 0001782026
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-31311
FILM NUMBER: 211071061
MAIL ADDRESS:
STREET 1: PDF SOLUTIONS, INC.
STREET 2: 2858 DE LA CRUZ BOULEVARD
CITY: SANTA CLARA
STATE: CA
ZIP: 95050
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: PDF SOLUTIONS INC
CENTRAL INDEX KEY: 0001120914
STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372]
IRS NUMBER: 251701361
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 2858 DE LA CRUZ BOULEVARD
CITY: SANTA CLARA
STATE: CA
ZIP: 95050
BUSINESS PHONE: 4082807900
MAIL ADDRESS:
STREET 1: 2858 DE LA CRUZ BOULEVARD
CITY: SANTA CLARA
STATE: CA
ZIP: 95050
4
1
tm2121343-3_4seq1.xml
OWNERSHIP DOCUMENT
X0306
4
2021-07-01
0
0001120914
PDF SOLUTIONS INC
PDFS
0001782026
Zhang Shuo
2858 DE LA CRUZ BLVD
SANTA CLARA
CA
95050
1
0
0
0
Common Stock
2021-07-01
4
A
0
4688
A
21379
D
These shares represent an award of restricted stock units granted under the Company's Director Compensation Program (Total Shares). 25% of the Total Shares vested on July 1, 2021, the Vesting Start Date, and 25% of the Total Shares shall vest on each anniversary of the Vesting Start Date thereafter until fully vested, subject to the recipient's continued service through each applicable vesting date.
/s/Kimon Michaels, Attorney-In-Fact for Shuo Zhang
2021-07-02