Welcome to our dedicated page for PDF SOLUTIONS SEC filings (Ticker: PDFS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
PDF Solutions Inc. filings document financial results, governance matters, capital structure, and material events for a Nasdaq-listed semiconductor data solutions company. Form 8-K reports furnish quarterly earnings releases and management reports, and also disclose items such as credit agreement amendments, Regulation FD updates, and corrections to prior operating discussion.
Proxy materials cover director elections, auditor ratification, equity compensation plans, employee stock purchase plan approvals, advisory executive compensation votes, and related executive compensation disclosures. The company’s filings also identify its Delaware corporate status and common stock registered on The Nasdaq Stock Market under the symbol PDFS.
PDF Solutions, Inc. has filed a Form S-3 shelf registration to permit the offering and sale from time to time of shares of its common stock by the company and by selling securityholders. The prospectus states that the company may offer and sell shares and that selling securityholders may offer and sell shares; the company will not receive proceeds from sales by the selling securityholders.
The shelf prospectus describes the methods of sale, incorporation by reference to periodic reports, risk factors, authorized capital (75,000,000 shares of which 70,000,000 are common and 5,000,000 are preferred), and customary plan of distribution provisions. Specific offering amounts, prices and terms will be provided in prospectus supplements when offerings occur.
PDF Solutions, Inc. reported significantly improved results for the quarter ended March 31, 2026, moving from a loss to profitability. Total revenue reached $60.1 million, up from $47.8 million a year earlier, driven mainly by higher Platform revenue of $50.9 million versus $37.3 million. Volume-based revenue was $9.2 million compared with $10.5 million. The company generated net income of $4.8 million, reversing a $3.0 million net loss in the prior-year quarter, with diluted earnings per share of $0.12 versus a loss of $0.08.
Cash and cash equivalents were $31.2 million and total assets $430.6 million, while total debt, net, was $66.5 million. Operating cash flow was $1.7 million, down from $8.6 million, as accounts receivable and contract assets increased. International customers provided about 59% of revenue, and remaining performance obligations totaled roughly $246.4 million, most expected to convert to revenue within two years.
PDF Solutions, Inc. reported strong first quarter 2026 results, with total revenues of $60.1 million, up 26% from the first quarter of 2025. Platform revenue grew to $50.9 million, while volume-based revenue was $9.2 million. GAAP gross margin was 72% and non-GAAP gross margin 76%.
GAAP operating margin improved to 10% and non-GAAP operating margin to 25%. The company generated GAAP net income of $4.8 million, or $0.12 per diluted share, compared with a loss a year ago, and non-GAAP net income of $12.6 million, or $0.31 per diluted share. Ending backlog reached $246.4 million, and management reaffirmed its prior guidance of 20% annual revenue growth for 2026.
PDF Solutions, Inc. is holding its 2026 Annual Meeting on June 16, 2026, asking stockholders to elect two Class I directors, ratify BPM LLP as auditor, approve an amended 2011 Stock Incentive Plan adding 800,000 reserved shares, amend its 2021 Employee Stock Purchase Plan, and give an advisory say‑on‑pay vote.
The Class I nominees are Lead Independent Director Joseph R. Bronson and director Ye Jane Li, both standing for new three‑year terms on a staggered, eight‑member board. As of April 17, 2026, the company had 39,917,373 common shares outstanding and 3,201,258 shares available for future awards under the existing stock plan, with 4,001,258 shares available if the new amendment is approved.
PDF Solutions, Inc. entered into a First Amendment to its Credit Agreement on April 23, 2026. The amendment increases the company’s revolving credit facility to an aggregate principal amount of $75 million and introduces leverage-based annual commitment fees tied to its total debt to EBITDA ratio.
The commitment fee will be 0.50% when the total debt to EBITDA ratio is greater than or equal to 2.50 to 1.00, 0.35% when the ratio is less than 2.50 to 1.00 but at least 0.50 to 1.00, and 0.20% when the ratio is below 0.50 to 1.00. All other material terms of the Credit Agreement remain unchanged.
PDF Solutions Inc — The Vanguard Group filed an amendment to its Schedule 13G reporting zero beneficial ownership of PDF Solutions common stock after an internal realignment. The filing states certain Vanguard subsidiaries will report disaggregated holdings separately and that Vanguard no longer is deemed to beneficially own those securities, in accordance with SEC Release No. 34-39538 dated January 12, 1998. The amendment includes a statement describing the realignment effective January 12, 2026 and is signed on 03/27/2026.
PDF Solutions, Inc. provides data and analytics solutions to semiconductor and electronics companies, offering a platform that spans design, process development, high-volume manufacturing, test, and assembly. Revenue comes from Platform fees (software, SaaS, services, systems) and Volume-based fees tied to runtime licenses and royalties.
The company serves foundries, IDMs, fabless firms, OSATs, equipment makers and others through brands including Exensio, Sapience, DirectScan, CV, Cimetrix and secureWISE. Key risks include heavy R&D spending, dependence on a few large customers, export-control and trade restrictions, cybersecurity and data-privacy exposure, AI-related regulatory change and reliance on sole‑source and open‑source technologies.
PDF Solutions Inc. received an updated ownership report from John Kachig Kibarian, filed on Schedule 13G/A. As of the event date of December 31, 2025, he beneficially owned 2,562,474 shares of common stock, representing 6.5% of the outstanding class.
Of this amount, 39,718 shares are subject to his sole voting and dispositive power. The remaining 2,522,756 shares are subject to shared voting and dispositive power through The John Kibarian and Gloria Chen Trust, where he serves as a trustee.
PDF Solutions Inc. (PDFS) received an amended Schedule 13G from Needham entities reporting passive ownership of its common stock. As of December 31, 2025, Needham Investment Management L.L.C. and Needham Asset Management, LLC each report beneficial ownership of 1,965,000 shares, or 4.9% of the common stock.
These shares are held across advisory clients, primarily the Needham Aggressive Growth Fund with 1,465,000 shares (about 3.7% of the class), the Needham Growth Fund with 270,000 shares, and the Needham Small Cap Growth Fund with 230,000 shares. George A. Needham is also listed with shared voting and dispositive power over 1,965,000 shares, or 4.9%.
The filing states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of PDF Solutions. Each reporting person disclaims beneficial ownership beyond their pecuniary interest.