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        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/29/2023</noticeDate>
            <planAdoptionDates/>
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144
0001684663
XXXXXXXX
LIVE
0001120914
PDF SOLUTIONS, INC.
000-31311
2858 De La Cruz Blvd.
Santa Clara
CA
95050
408-280-7900
NANCY ERBA TTEE NANCY ERBA FAMILY LIVING TRUST
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
1800
55025.64
38261403
11/29/2023
NASDAQ
Common
01/01/2022
Restricted stock vesting under a registered plan
Issuer
N
1626
01/01/2022
Compensation
Common
08/01/2022
Restricted stock vesting under a registered plan
Issuer
N
154
08/01/2022
Compensation
Y
11/29/2023
/s/ Nancy Erba