Information Technology · Services-Prepackaged Software

PDFS PDF SOLUTIONS INC SEC Filings & Insider Trading Activity 2026

company
CIK 1120914127 filings
Russell 2000

PDFS at a glance

PDF SOLUTIONS INC (PDFS, SEC CIK 1120914) filed its latest 10-K annual report on February 24, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on August 6, 2026 and Form 4 insider filings as recently as September 1, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), PDF SOLUTIONS INC (PDFS) reported revenue of $219.0 million (up 22.0% from FY2024) and a net loss of $640,000. Diluted EPS was -$0.02.
  • As of June 30, 2026, 29 institutional investment managers tracked by SignalX reported holding PDF SOLUTIONS INC (PDFS) shares worth $1.0 billion in 13F-HR filings.
  • The most recent insider open-market sale reported on Form 4 was by Strojwas Andrzej on August 31, 2026 of 3,394 shares at $44.41 per share.
  • In the last 90 days, PDFS insiders reported 0 open-market purchases ($0) and 2 open-market sales ($228K) on Form 4, a net sale of $228K.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$219.0M
+22.0% vs prior year
Insiders · 90 days
0 buys · 2 sells
Net −$228K
13F holders
29 funds
$1.0B · +2 vs prior quarter
Latest 8-K
Aug 6, 2026
Item 2.02

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Dec 31, 2025

Full analysis →

Business Overview

  • Core business: Software and services for semiconductor yield management and advanced process control
  • No new products, services, or segments specifically introduced or highlighted this year
  • Continued emphasis on corporate governance with a Code of Ethics applicable to all employees, including executives
  • No changes in quantitative metrics disclosed in this section; no notable employee, R&D, or market expansion data provided
  • Distinctive focus on transparency and compliance with federal filing requirements and executive ethics disclosures

Risk Factors

  • Regulatory risk: Compliance with cybersecurity oversight by Audit Committee with two members experienced in information security
  • Operational risk: Dependence on VP of Operations with 25+ years tenure leading cybersecurity, IT, and risk management roles
  • Cybersecurity risk: Potential material impact from cybersecurity threats despite no incidents in past 6 years, requiring ongoing incident response preparedness
  • Corporate governance risk: Quarterly cybersecurity risk reviews with executive management and Audit Committee to monitor emerging threats and mitigation efforts

Management Discussion & Analysis

  • Revenue impact risk: Volume-based revenue decreased significantly due to wafer volume declines and IC sales variability; no specific YoY amount provided
  • Profitability affected by fixed costs and restructuring expenses amid fluctuating market conditions; no margin % disclosed
  • Semiconductor segment remains core but faces volatility from U.S. trade restrictions, tariffs, inflation, and supply chain disruptions
  • Forward risks include geopolitical tensions, trade policy changes, cybersecurity threats, evolving data privacy laws, and IP litigation risks impacting future revenue and costs

AI summary of the PDFS 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Management Discussion & Analysis

  • Revenue $61.5M, up $9.8M or 19% YoY
  • Platform revenue $49.1M, up 14%; DirectScan strongest, CV, Exensio, secureWISE declined
  • Gross margin 69% vs 71% YoY; net income $4.3M vs $1.1M
  • Volume-based revenue $12.4M, up 45%, driven by Gainshare and Cimetrix runtime licenses
  • $81.8M net proceeds from May secondary offering; near-term risks include soft demand, tariffs, export controls, and geopolitical tensions

Risk Factors

  • No material risk-factor changes from the December 31, 2025 Form 10-K
  • Carried-forward risks potentially affecting results of operations or financial condition
  • Unknown or currently immaterial risks potentially impairing business performance
  • No new regulatory, legal, compliance, operational, competitive, market, or financial risks disclosed

AI summary of the PDFS 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Aug 6, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Item 2.02 contains only an incorporation-by-reference disclaimer
  • No fiscal 2026 financial results or operating metrics disclosed in the provided text
Filed Jun 18, 2026Full analysis →

Item 5.07: Submission of Matters to a Vote of Security Holders

  • Stockholders elected Joseph R. Bronson and Ye Jane Li as Class I directors
  • BPM LLP appointment ratified for fiscal 2026, with 34,772,285 votes supporting
Filed May 15, 2026Full analysis →

Item 8.01: Other Events

  • $85.7 million gross proceeds to PDF Solutions from issuing 1,946,630 shares at $44.00
  • Advantest America sold 3,306,924 shares, receiving no proceeds for the Company

AI summaries of PDFS 8-K current reports filed with the SEC. What 8-K item codes mean

SignalX for PDFS

Don't miss the next PDFS filing

  • Alerts as it files. A push when PDFS files an 8-K or an insider trades.
  • Fund moves. Which tracked funds opened, added or cut PDFS, by share count.
  • Ask anything. An AI agent that reads every PDFS filing and answers with sources.

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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Strojwas AndrzejSellAug 31, 2026$44.41
Zhang ShuoSellAug 12, 2026$51.47
Raza AdnanAJul 1, 2026-
CHAN CHI-FOONAJul 1, 2026-
Li Ye JaneAJul 1, 2026-
Erba NancyAJul 1, 2026-
Strojwas AndrzejFJul 1, 2026$66.88
Strojwas AndrzejAJul 1, 2026-

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue-$179.5M$219.0M
Gross Profit$114.1M$125.3M$158.4M
Operating Income-$935K$5.8M
Net Income-$4.1M-$640K
Gross Margin-69.8%72.3%
Op. Margin-0.5%2.7%
Net Margin-2.3%-0.3%
Balance Sheet
Total Assets$290.1M$315.3M$418.7M
Equity-$246.0M$271.0M
ROE-1.6%-0.2%
Per Share
EPS-$0.10$-0.02
Cash Flow
Operating CF-$9.7M$24.1M
CapEx-$17.2M$32.6M

Source: XBRL data in PDF SOLUTIONS INC (PDFS)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate PDFS share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
PDFS shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202629$1.05B
Q1 202627$386.4M
Q4 202527$346.6M
Q3 202527$313.9M
Q2 202528$268.2M
Q1 202524$142.7M
Q4 202422$183.4M
Q3 202418$102.0M
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 202 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

PDFS filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Sep 1, 2026--
4Aug 12, 2026--
8-KAug 6, 2026Analysis-
10-QAug 6, 2026Analysis
4Jul 2, 2026--
4Jul 2, 2026--
4Jul 2, 2026--
4Jul 2, 2026--
4Jul 2, 2026--
4Jul 2, 2026--
4Jul 2, 2026--
4Jul 2, 2026--
8-KJun 18, 2026Analysis-
8-KMay 15, 2026Analysis
SC 13GMay 14, 2026-
8-KMay 7, 2026Analysis
10-QMay 7, 2026Analysis
8-KApr 24, 2026Analysis-
10-KFeb 24, 2026Analysis
8-KFeb 12, 2026-
4Jan 5, 2026-
4Jan 5, 2026-
4Dec 11, 2025-
SC 13GNov 13, 2025-
10-QNov 6, 2025Analysis

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PDFS SEC filings: frequently asked questions

Are PDFS insiders buying or selling?

In the last 90 days, PDF SOLUTIONS INC (PDFS) officers, directors and 10% owners reported no open-market purchases and 2 open-market sales worth $227,984 by 2 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold PDFS stock?

As of June 30, 2026, the largest PDF SOLUTIONS INC (PDFS) holders among the 13F filers tracked by SignalX were BlackRock ($392.9 million), Vanguard Capital Management LLC ($117.8 million), Vanguard Portfolio Management LLC ($103.2 million), State Street Corp ($98.2 million), JPMorgan Chase & Co ($61.1 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was PDFS's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), PDF SOLUTIONS INC (PDFS) reported revenue of $219.0 million (up 22.0% from FY2024) and a net loss of $640,000. Diluted EPS was -$0.02. The figures come from the XBRL data in the 10-K.

What are the main risks in PDFS's latest 10-K?

In the 10-K filed February 24, 2026, PDF SOLUTIONS INC (PDFS) flagged: Regulatory risk: Compliance with cybersecurity oversight by Audit Committee with two members experienced in information security. Operational risk: Dependence on VP of Operations with 25+ years tenure leading cybersecurity, IT, and risk management roles. (AI summary of the Risk Factors section.)

What did PDFS report in its latest 8-K?

PDF SOLUTIONS INC (PDFS) filed an 8-K on August 6, 2026 reporting Item 2.02 (Results of Operations and Financial Condition). Item 2.02 contains only an incorporation-by-reference disclaimer.

What are the latest PDFS SEC filings?

PDF SOLUTIONS INC (PDFS) filed its latest 10-K annual report on February 24, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on August 6, 2026 and a Form 4 insider filing on September 1, 2026.

What is PDFS's SEC CIK number?

PDF SOLUTIONS INC (PDFS)'s SEC Central Index Key (CIK) is 1120914. EDGAR lists every PDFS filing under that number.

Ask anything about PDFS

The research agent reads PDFS's filings, financials, insider trades and 13F holders, then answers with sources.