PDF Solutions Inc.

Last updated September 27, 2026

Organization details

Legal name
PDF Solutions Inc.
Ownership
Public
Status
Active
Sector (GICS)
Information Technology
SIC code
7372 — Services-Prepackaged Software
Jurisdiction of incorporation
Delaware
Headquarters city
Santa Clara
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
PDFS
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001120914
EIN
25-1701361
Wikidata ID
Q7118809

Board of directors

Chief executives

John Kachig Kibarian · PRESIDENT AND CEO
Dates unknown

Board connections

1 of this board's directors also sit on 2 other boards. 1 is in the same sector.

Network of PDF Solutions Inc.'s board connections Knowles Corporation Knowles Corporation Semtech Corporation Semtech Corporation Ye Jane Li Ye Jane Li PDF Solutions Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$227,984
2 sales by 2 insiders
Date Insider Transaction Shares Price Value
Aug 31, 2026 Strojwas Andrzej Officer (Chief Technology Officer) Open-market sale −3,394 $44.41 $150,728
Aug 12, 2026 Shuo Zhang Director Open-market sale −1,501 $51.47 $77,256
Jul 1, 2026 Joseph R. Bronson Director Grant or award +2,689 — —
Jul 1, 2026 Chi-Foon Chan Director Grant or award +2,689 — —
Jul 1, 2026 Nancy Erba Director Grant or award +2,689 — —
Jul 1, 2026 Michael B. Gustafson Director Grant or award +2,689 — —
Jul 1, 2026 Ye Jane Li Director Grant or award +2,689 — —
Jul 1, 2026 Raza Adnan Officer (EVP, Finance and CFO) Shares withheld for tax −6,010 $66.88 $401,949
Jul 1, 2026 Shuo Zhang Director Grant or award +2,689 — —
Jul 1, 2026 Strojwas Andrzej Officer (Chief Technology Officer) Shares withheld for tax −1,356 $66.88 $90,689
Jul 1, 2026 Raza Adnan Officer (EVP, Finance and CFO) Grant or award +23,450 — —
Jul 1, 2026 Strojwas Andrzej Officer (Chief Technology Officer) Grant or award +5,360 — —
Jan 1, 2026 Strojwas Andrzej Officer (Chief Technology Officer) Shares withheld for tax −2,762 $28.53 $78,800
Jan 1, 2026 Raza Adnan Officer (EVP, Finance and CFO) Shares withheld for tax −5,498 $28.53 $156,858
Dec 9, 2025 Kimon Michaels Director, Officer (EVP of Products and Solutions) Gift −5,070 — —

Organizations in the same sector, closest in location and size first.

Questions about PDF Solutions Inc.

Who is the CEO of PDF Solutions Inc.?

John Kachig Kibarian is PDF Solutions Inc.'s PRESIDENT AND CEO.

How many directors are on PDF Solutions Inc.'s board?

PDF Solutions Inc.'s board has 8 directors: Chi-Foon Chan, John Kachig Kibarian, Joseph R. Bronson, Kimon Michaels, Michael B. Gustafson, Nancy Erba, Shuo Zhang and Ye Jane Li.

Are PDF Solutions Inc. insiders buying or selling shares?

Over the last 12 months, PDF Solutions Inc. insiders made no open-market purchases and sold $227,984 of shares in 2 sales on the open market, as reported to the SEC on Forms 4 and 5.

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