Company Analysis

Pulmonx Corporation (LUNG)

Nasdaq: LUNG · Surgical & Medical Instruments & Apparatus · Redwood City, CA · filing with the SEC since 2003
Grade5.6
◀ Past 7.0● Present 5.0▶ Future 4.9
1 est.

Filings

177 filings since 2017 beside 259 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer and smaller reporting company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 27 days after the quarter ended. The proxy statement was last filed Apr 22, 2026.

Filings a yearinsider forms included
247726164796941
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest Oct 27, 2025.SEC letters: 2 in the last 36 months, the newest Nov 24, 2025.
Insider forms 259

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026 SCHEDULE 13G/A Large holder update, amended
Nov 3, 2026 10-Q Quarterly report Sep 30, 2026
Oct 27, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 13, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 4, 2026 10-Q Quarterly report Jun 30, 2026
Jul 29, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 29, 2026 8-K item 2.02 Results released · Current report
Jun 4, 2026 8-K item 5.07 Shareholder vote · Current report
May 19, 2026 SD Conflict minerals report
May 4, 2026 10-Q Quarterly report Mar 31, 2026
Apr 29, 2026 8-K item 2.02 Results released · Current report
Apr 22, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 22, 2026 DEFA14A Extra proxy material
Apr 22, 2026 DEF 14A Proxy statement Jun 4, 2026
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 10, 2026 S-8 Employee stock plan registration
Mar 10, 2026 10-K Annual report Dec 31, 2025
Mar 9, 2026 SCHEDULE 13G Large holder notice
Mar 5, 2026 8-K items 1.01, 1.02, 2.03, 3.02, 9.01 Major agreement signed; Major agreement ended; New debt or obligation taken on; Shares sold without registration · Current report Mar 2, 2026
Mar 4, 2026 8-K item 2.02 Results released · Current report
Nov 25, 2025 EFFECT Registration effective
Nov 24, 2025 CORRESP Reply to the SEC
Nov 24, 2025 S-3/A Shelf registration, amended
Nov 24, 2025 S-8 Employee stock plan registration
Nov 18, 2025 UPLOAD SEC comment letter
Nov 13, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 12, 2025 10-Q Quarterly report Sep 30, 2025
Nov 12, 2025 8-K item 2.02 Results released · Current report
Nov 7, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 27, 2025 8-K items 2.02, 5.02, 9.01 Results released; Officer or director change · Current report Oct 21, 2025
Sep 26, 2025 S-3 Shelf registration
Sep 8, 2025 SCHEDULE 13G/A Large holder update, amended
Aug 6, 2025 SCHEDULE 13G/A Large holder update, amended
Aug 1, 2025 10-Q Quarterly report Jun 30, 2025
Jul 30, 2025 8-K item 2.02 Results released · Current report
May 30, 2025 SD Conflict minerals report
May 23, 2025 8-K item 5.07 Shareholder vote · Current report May 22, 2025
May 13, 2025 SCHEDULE 13G/A Large holder update, amended
May 12, 2025 SCHEDULE 13G/A Large holder update, amended
May 7, 2025 SCHEDULE 13G/A Large holder update, amended
40 of 177 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton LUNG · research, not advice