LUNG Pulmonx Corp
company
SEC Filings & Insider Trading Activity 2026

CIK: 1127537
Health Care
Surgical & Medical Instruments & Apparatus 41 filings
Russell 2000

Latest Pulmonx Corp (LUNG) SEC EDGAR filings in 2026, including the most recent 10-K annual report filed on March 10, 2026, a 10-Q quarterly report filed on May 4, 2026, an 8-K current report filed on July 29, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Pulmonx Corp (LUNG) (SEC CIK 1127537), with AI-powered section-by-section summaries updated daily.

10-Q: 17
SC 13G: 13
10-K: 6
8-K: 5

Latest 2026 SEC Filing Dates

10-K Annual Report
Mar 10, 2026
10-Q Quarterly Report
May 4, 2026
8-K Current Report
Jul 29, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Business Overview

  • Core business: Minimally invasive treatment for severe emphysema using Zephyr Valve, Chartis System and LungTraX Platform
  • New emphasis: Global clinical trial CONVERT II for FDA approval of AeriSeal System, a synthetic polymer foam device with Breakthrough Device designation
  • Strategic shift: Expanding direct U.S. sales and commercial operations while growing international presence via direct and distributor models
  • Quantitative highlights: Revenue $90.5M (+8% YoY), gross margin 74.2%, 95% revenue from direct sales, $54.0M net loss improving from prior year
  • Noteworthy fact: Five-year LIBERATE study durability results presented in 2024 showing long-term safety and efficacy for Zephyr Valve

Risk Factors

  • FDA 510(k) clearance required for future products, uncertainty in obtaining approvals threatens product commercialization
  • Revenue exposure in US, Europe, and Asia Pacific vulnerable to economic conditions and hospital contracting delays
  • Single product reliance on Zephyr Valve limited to severe emphysema; constrained market indications risk sales concentration
  • Competition from alternative emphysema treatments and possible novel therapies could disrupt market share and adoption
  • Net losses $54M in 2025, accumulated deficit $521.6M, ongoing cash burn pressures capital needs and profitability prospects

Management Discussion & Analysis

  • Revenue $90.5M in 2025, up 8.0% YoY from $83.8M in 2024; US sales $57.0M (+$0.6M), International $33.5M (+$6.2M)
  • Gross margin 74.2% in 2025 vs 74.0% in 2024; cost of goods sold $23.4M up 7.2% mainly from volume increase
  • Best segment: International sales growth +22.7% ($27.3M to $33.5M); Worst: US sales nearly flat +1.1% ($56.5M to $57.0M)
  • Net loss improved to $54.0M from $56.4M; R&D expenses increased 10.9% to $19.5M; SG&A decreased 0.8% to $101.3M
  • Cash $69.8M end 2025; $37.1M debt outstanding; post-period $40M term loan secured with access to $20M more tied to revenue milestones
  • Management plans continued investment in sales, R&D, marketing; expects ongoing net losses and need for additional funding
  • Key risks: sales force recruitment/retention, reimbursement coverage expansion, competitive pressures, manufacturing efficiency, seasonality

Go deeper on Pulmonx Corp

Ask AI about LUNG filings. Chat with the 10-K, 10-Q, and 8-K for instant answers on financials, risks, and guidance.

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Annual Reports Archive
10-K

AI-powered analysis of Pulmonx Corp (LUNG) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Pulmonx Corp (LUNG) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of Pulmonx Corp (LUNG) 8-K current reports disclosing material events.

Financial Summary
XBRL

FY2023FY2024FY2025
Profitability
Revenue$68.7M$83.8M$90.5M
Gross Profit-$62.0M$67.1M
Operating Income--$57.7M-$53.7M
Net Income--$56.4M-$54.0M
Gross Margin-74.0%74.2%
Op. Margin--68.9%-59.3%
Net Margin--67.3%-59.7%
Balance Sheet
Total Assets-$162.8M$129.3M
Equity$118.3M$85.8M$54.1M
ROE--65.7%-99.8%
Per Share
EPS-$-1.44$-1.33
Cash Flow
Operating CF--$31.5M-$32.4M
CapEx-$1.4M$452K

Source: XBRL financial data from Pulmonx Corp (LUNG) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

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

FormFiling DatePeriodAnalysisSEC
8-K
Jul 29, 2026---
8-K
Jun 4, 2026--
10-Q
May 4, 2026Mar 31, 2026-
8-K
Apr 29, 2026---
10-K
Mar 10, 2026Dec 31, 2025Analysis
8-K
Mar 5, 2026-Analysis-
8-K
Mar 4, 2026-Analysis-
10-Q
Nov 12, 2025Sep 30, 2025Analysis
10-Q
Aug 1, 2025Jun 30, 2025-
10-Q
May 2, 2025Mar 31, 2025-
10-K
Feb 25, 2025Dec 31, 2024-
10-Q
Nov 1, 2024Sep 30, 2024-
10-Q
Aug 2, 2024Jun 30, 2024-
10-Q
May 3, 2024Mar 31, 2024-
SC 13G
Feb 29, 2024--
10-K
Feb 27, 2024Dec 31, 2023-
SC 13G
Feb 9, 2024--
10-Q
Nov 3, 2023Sep 30, 2023-
10-Q
Aug 4, 2023Jun 30, 2023-
10-Q
May 8, 2023Mar 31, 2023-
10-K
Mar 1, 2023Dec 31, 2022-
SC 13G
Feb 13, 2023--
SC 13G
Feb 10, 2023--
SC 13G
Jan 4, 2023--
10-Q
Nov 8, 2022Sep 30, 2022-

13F Fund Holdings: Quarterly Trend

Latest: Q1 2026

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

Position changes: Q4 2025Q1 2026
Top Buyers
Top Sellers
New Positions
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 153 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe.

Frequently Asked Questions

What are the latest LUNG SEC filings in 2026?

Pulmonx Corp (LUNG) has filed a 10-K annual report on March 10, 2026, a 10-Q quarterly report on May 4, 2026, an 8-K current report on July 29, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did LUNG file its most recent 10-K annual report?

Pulmonx Corp (LUNG) filed its most recent 10-K annual report on March 10, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view LUNG 10-Q quarterly reports?

Pulmonx Corp (LUNG)'s most recent 10-Q quarterly report was filed on May 4, 2026. SignalX displays every LUNG 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has LUNG filed recently?

Pulmonx Corp (LUNG)'s most recent 8-K was filed on July 29, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find LUNG insider trading activity (Form 4)?

SignalX aggregates every LUNG Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does LUNG file with the SEC?

Pulmonx Corp (LUNG) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new LUNG filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Pulmonx Corp (LUNG).

What is LUNG's SEC CIK number?

Pulmonx Corp (LUNG)'s SEC CIK (Central Index Key) number is 1127537. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1127537 to look up all LUNG filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find LUNG return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Pulmonx Corp (LUNG) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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