PDF Solutions Inc

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PDF Solutions Inc
CIK #0001120914
EDGAR Form CIK 2011 - 2026
10-K [0001120914]
10-Q [0001120914]
3 [0001120914]
4 [0001120914]
5 [0001120914]
8-K [0001120914]
SC 13D [0001120914]
SC 13G [0001120914]
Form 13D/13G Filer Form 13D/13G Subject Filed
Needham Investment Management LLC PDF Solutions Inc [2026-05-14]
Needham Investment Management LLC PDF Solutions Inc [2025-11-13]
Cowen Prime Advisors LLC PDF Solutions Inc [2023-08-07]
Cowen Prime Advisors LLC PDF Solutions Inc [2023-02-03]
Cowen Prime Advisors LLC PDF Solutions Inc [2022-02-09]
Advantest Corp PDF Solutions Inc [2020-08-06]
Cowen Prime Services LLC PDF Solutions Inc [2020-06-04]
Invesco Ltd PDF Solutions Inc [2020-02-13]
Vanguard Group Inc PDF Solutions Inc [2019-02-11]
Dimensional Fund Advisors LP PDF Solutions Inc [2019-02-08]
View All
Form 3/4/5 Subject 2011 - 2026
PDF Solutions Inc
Gustafson Michael B
Chan Chi-Foon
Bronson Joseph R
Raza Adnan
Erba Nancy
Li Ye Jane
Zhang Shuo
Strojwas Andrzej
Michaels Kimon
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
PDF Solutions Inc PDFS
Common Stock
2026-01-01 Tax withheld 2,762 $28.53 78,800
PDF Solutions Inc PDFS
Common Stock
2026-01-01 Tax withheld 5,498 $28.53 156,858
PDF Solutions Inc PDFS
Common Stock
2025-12-09 Gift 5,070 $0.00
PDF Solutions Inc PDFS
Common Stock
2025-08-01 Grant 35,000
PDF Solutions Inc PDFS
Common Stock
2025-08-01 Grant 8,000
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Grant 7,429
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Tax withheld 4,921 $21.87 107,622
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Grant 7,429
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Grant 7,429
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Grant 7,429
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Grant 7,429
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Tax withheld 2,497 $21.87 54,609
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Tax withheld 798 $21.87 17,452
PDF Solutions Inc PDFS
Common Stock
2025-07-01 Grant 7,429
PDF Solutions Inc PDFS
Common Stock
2025-05-13 Buy 7,500 $19.45 145,875
PDF Solutions Inc PDFS
Common Stock
2025-02-25 Buy 15,644 $22.11 345,889
PDF Solutions Inc PDFS
Common Stock
2025-02-24 Buy 4,000 $23.06 92,240
PDF Solutions Inc PDFS
Common Stock
2025-02-24 Buy 34,356 $22.80 783,317
PDF Solutions Inc PDFS
Common Stock
2025-01-01 Tax withheld 5,258
PDF Solutions Inc PDFS
Common Stock
2025-01-01 Tax withheld 870
showing 20 of 200 most recent transactions
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