# PDF Solutions Inc. (PDFS)

Source: https://www.quantisnow.com/company/PDFS
Generated: 2026-10-28T16:06:55.420Z

- Ticker: PDFS
- Exchange: NASDAQ
- Sector: Technology
- Industry: Computer Software: Prepackaged Software
- IPO year: 2001
- SEC CIK: 0001120914
- Website: pdf.com

## About

PDF Solutions, Inc. provides proprietary software and physical intellectual property products for integrated circuit designs, electrical measurement equipment, proven methodologies, and professional services in the United States, China, Taiwan, and internationally. It offers Exensio software products, such as Manufacturing Analytics that stores collected data in a common environment with a consistent view for enabling product engineers to identify and analyze production yield, performance, reliability, and other issues; Process Control that provides failure detection and classification capabilities for monitoring, alarming, and controlling manufacturing tool sets; Test Operations that offers data collection and analysis capabilities; and Assembly Operations that provides device manufacturers with the capability to link assembly and packaging data, including fabrication and characterization data over the product life cycle. The company also provides design-for-inspection (DFI) Systems, such as DFI on-chip instruments, and eProbe non-contactless E-beam tool; and Characterization Vehicle (CV) infrastructure, which includes CV test chips and pdFasTest electrical testers, as well as Exensio characterization software, designed to analyze the measurements collected from DFI on-chip instruments using the eProbe tool. In addition, it offers Cimetrix software products that enables equipment manufacturers to provide industry standard interfaces on their products; and Software-as-a-Service, software related services, and IYR services. The company sells its technologies and services through direct sales force, service teams, and strategic alliances to integrated device manufacturers, fabless semiconductor companies, foundries, equipment manufacturers, electronics manufacturing suppliers, original device manufacturers, out-sourced semiconductor assembly and test, and system houses. PDF Solutions, Inc. was founded in 1991 and is headquartered in Santa Clara, California.

## Latest PDFS news and filings

- 2026-10-19 20:05 UTC [Earnings Date] [PDF Solutions to Report Third Quarter Fiscal 2026 Financial Results on November 5, 2026](https://www.quantisnow.com/insight/pdf-solutions-to-report-third-quarter-fiscal-2026-financial-results-6750514)
- 2026-10-19 13:47 UTC [SEC Form 4] [SEC Form 4 filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-4-filed-by-pdf-solutions-inc-6750001)
- 2026-10-19 13:43 UTC [SEC Form 4] [SEC Form 4 filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-4-filed-by-pdf-solutions-inc-6749999)
- 2026-10-19 13:37 UTC [SEC Form 4] [SEC Form 4 filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-4-filed-by-pdf-solutions-inc-6749997)
- 2026-10-19 13:35 UTC [SEC Form 4] [SEC Form 4 filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-4-filed-by-pdf-solutions-inc-6749995)
- 2026-10-09 20:09 UTC [SEC Form SCHEDULE 13G filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-schedule-13g-filed-by-pdf-solutions-inc-6742890)
- 2026-09-25 12:34 UTC [Analyst Coverage Initiated] [Needham initiated coverage on PDF Solutions with a new price target](https://www.quantisnow.com/insight/needham-initiated-coverage-on-pdf-solutions-with-a-new-price-6726120)
- 2026-09-09 20:01 UTC [Introducing Exensio® Aurora: PDF Solutions Unveils Highly-Scalable Architecture for Exensio Analytics](https://www.quantisnow.com/insight/introducing-exensio-aurora-pdf-solutions-unveils-highly-scalable-architecture-for-exensio-6709896)
- 2026-09-08 13:05 UTC [Analyst Coverage Initiated] [Morgan Stanley initiated coverage on PDF Solutions with a new price target](https://www.quantisnow.com/insight/morgan-stanley-initiated-coverage-on-pdf-solutions-with-a-new-6707875)
- 2026-09-01 18:09 UTC [SEC Form 4] [Chief Technology Officer Strojwas Andrzej sold $150,728 worth of shares (3,394 units at $44.41), decreasing direct ownership by 4% to 90,965 units (SEC Form 4)](https://www.quantisnow.com/insight/chief-technology-officer-strojwas-andrzej-sold-150728-worth-of-shares-6701160)
- 2026-08-13 01:32 UTC [SEC Form 4] [Director Zhang Shuo sold $77,256 worth of shares (1,501 units at $51.47), decreasing direct ownership by 6% to 23,380 units (SEC Form 4)](https://www.quantisnow.com/insight/director-zhang-shuo-sold-77256-worth-of-shares-1501-units-6678895)
- 2026-08-11 12:50 UTC [Analyst Coverage Initiated] [Bernstein initiated coverage on PDF Solutions with a new price target](https://www.quantisnow.com/insight/bernstein-initiated-coverage-on-pdf-solutions-with-a-new-price-6675177)
- 2026-08-06 21:16 UTC [SEC Form S-8] [SEC Form S-8 filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-s-8-filed-by-pdf-solutions-inc-6670027)
- 2026-08-06 20:28 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-pdf-solutions-inc-6669510)
- 2026-08-06 20:24 UTC [SEC Form 8-K] [PDF Solutions Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits](https://www.quantisnow.com/insight/pdf-solutions-inc-filed-sec-form-8-k-results-of-operations-6669464)
- 2026-08-06 20:02 UTC [Earnings Date] [PDF Solutions® Reports Second Quarter 2026 Financial Results](https://www.quantisnow.com/insight/pdf-solutions-reports-second-quarter-2026-financial-results-6668558)
- 2026-08-04 11:16 UTC [Analyst Coverage Initiated] [Wells Fargo initiated coverage on PDF Solutions with a new price target](https://www.quantisnow.com/insight/wells-fargo-initiated-coverage-on-pdf-solutions-with-a-new-6661030)
- 2026-07-16 20:00 UTC [Earnings Date] [PDF Solutions to Report Second Quarter Fiscal 2026 Financial Results on August 6, 2026](https://www.quantisnow.com/insight/pdf-solutions-to-report-second-quarter-fiscal-2026-financial-results-6639559)
- 2026-07-02 20:46 UTC [SEC Form 4] [Chief Technology Officer Strojwas Andrzej covered exercise/tax liability with 1,356 shares and was granted 5,360 shares, increasing direct ownership by 4% to 94,203 units (SEC Form 4) to satisfy withholding obligation](https://www.quantisnow.com/insight/chief-technology-officer-strojwas-andrzej-covered-exercisetax-liability-with-1356-6626072)
- 2026-07-02 20:44 UTC [SEC Form 4] [Director Zhang Shuo was granted 2,689 shares, increasing direct ownership by 12% to 24,881 units (SEC Form 4)](https://www.quantisnow.com/insight/director-zhang-shuo-was-granted-2689-shares-increasing-direct-ownership-6626056)
- 2026-07-02 20:42 UTC [SEC Form 4] [Director Gustafson Michael B was granted 2,689 shares, increasing direct ownership by 7% to 40,192 units (SEC Form 4)](https://www.quantisnow.com/insight/director-gustafson-michael-b-was-granted-2689-shares-increasing-direct-6626042)
- 2026-07-02 20:40 UTC [SEC Form 4] [Director Chan Chi-Foon was granted 2,689 shares, increasing direct ownership by 13% to 24,168 units (SEC Form 4)](https://www.quantisnow.com/insight/director-chan-chi-foon-was-granted-2689-shares-increasing-direct-ownership-6626014)
- 2026-07-02 20:35 UTC [SEC Form 4] [Director Bronson Joseph R was granted 2,689 shares, increasing direct ownership by 7% to 40,956 units (SEC Form 4)](https://www.quantisnow.com/insight/director-bronson-joseph-r-was-granted-2689-shares-increasing-direct-6625940)
- 2026-07-02 20:33 UTC [SEC Form 4] [Director Li Ye Jane was granted 2,689 shares, increasing direct ownership by 11% to 26,632 units (SEC Form 4)](https://www.quantisnow.com/insight/director-li-ye-jane-was-granted-2689-shares-increasing-direct-6625900)
- 2026-07-02 20:29 UTC [SEC Form 4] [Director Erba Nancy was granted 2,689 shares, increasing direct ownership by 29% to 11,943 units (SEC Form 4)](https://www.quantisnow.com/insight/director-erba-nancy-was-granted-2689-shares-increasing-direct-ownership-6625725)
- 2026-07-02 20:13 UTC [SEC Form 4] [EVP, Finance and CFO Raza Adnan covered exercise/tax liability with 6,010 shares and was granted 23,450 shares, increasing direct ownership by 14% to 80,697 units (SEC Form 4) (for withholding tax)](https://www.quantisnow.com/insight/evp-finance-and-cfo-raza-adnan-covered-exercisetax-liability-with-6625401)
- 2026-06-18 20:11 UTC [SEC Form 8-K] [PDF Solutions Inc. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits](https://www.quantisnow.com/insight/pdf-solutions-inc-filed-sec-form-8-k-submission-of-matters-6608675)
- 2026-06-02 20:00 UTC [PDF Solutions® Announces PDF Solutions CONNECT 2026 Conference](https://www.quantisnow.com/insight/pdf-solutions-announces-pdf-solutions-connect-2026-conference-6583972)
- 2026-05-29 17:24 UTC [SEC Form SD filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-sd-filed-by-pdf-solutions-inc-6578713)
- 2026-05-15 20:27 UTC [SEC Form 8-K] [SEC Form 8-K filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-pdf-solutions-inc-6557729)
- 2026-05-15 20:00 UTC [Public Offering] [PDF Solutions® Announces Full Exercise of Greenshoe Option and Closing of Upsized Public Offering of Common Stock](https://www.quantisnow.com/insight/pdf-solutions-announces-full-exercise-of-greenshoe-option-and-closing-6556932)
- 2026-05-14 20:50 UTC [SEC Form 424B5] [SEC Form 424B5 filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-424b5-filed-by-pdf-solutions-inc-6554600)
- 2026-05-14 06:36 UTC [Public Offering] [PDF Solutions® Announces Pricing of an Upsized Public Offering of Common Stock](https://www.quantisnow.com/insight/pdf-solutions-announces-pricing-of-an-upsized-public-offering-of-6552044)
- 2026-05-13 20:30 UTC [SEC Form 424B5] [SEC Form 424B5 filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-424b5-filed-by-pdf-solutions-inc-6551254)
- 2026-05-13 20:02 UTC [Public Offering] [PDF Solutions® Announces Launch of Public Offering of Common Stock](https://www.quantisnow.com/insight/pdf-solutions-announces-launch-of-public-offering-of-common-stock-6550615)
- 2026-05-13 20:00 UTC [SEC Form S-3ASR] [SEC Form S-3ASR filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-s-3asr-filed-by-pdf-solutions-inc-6550575)
- 2026-05-07 20:26 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-pdf-solutions-inc-6539689)
- 2026-05-07 20:23 UTC [SEC Form 8-K] [PDF Solutions Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits](https://www.quantisnow.com/insight/pdf-solutions-inc-filed-sec-form-8-k-results-of-operations-6539606)
- 2026-05-07 20:04 UTC [Earnings Date] [PDF Solutions® Reports First Quarter 2026 Financial Results](https://www.quantisnow.com/insight/pdf-solutions-reports-first-quarter-2026-financial-results-6538697)
- 2026-04-29 23:26 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by PDF Solutions Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-pdf-solutions-inc-6522297)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/PDFS
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