LUNG SCHEDULE 13G/A: SEC filing
An institutional holder
Filed with the SEC on · accession 0000895421-26-000266
LUNG filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 13, 2026. An institutional holder filed an amended Schedule 13G for Pulmonx Corp (LUNG), indicating a change in its passive ownership position. The stock moved -5.7% by the first close after the filing.
Summary of the filing
An institutional holder filed an amended Schedule 13G for Pulmonx Corp (LUNG), indicating a change in its passive ownership position. The filing text provided contains only the EDGAR directory listing, so specific ownership details are not available.
Key details
How LUNG stock reacted
Close before
$2.29
Aug 12, 2026
First close after
-5.68%
$2.16
5 trading days
+0.87%
$2.31
Since filing
+11.79%
$2.56
✦ Ask GOAX AI about this filing — what it means for LUNG, what changed since its last filings and what to watch next.
Try it free for 7 days🔔 Want to stay updated on new SEC filings for LUNG?
Click hereFrequently asked questions
What did LUNG file with the SEC on Aug 13, 2026?
LUNG filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G for Pulmonx Corp (LUNG), indicating a change in its passive ownership position. The filing text provided contains only the EDGAR directory listing, so specific ownership details are not available.
How do I read a SCHEDULE 13G/A?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).
How did LUNG stock react to this filing?
LUNG closed at $2.29 before the filing and $2.16 on Aug 13, 2026 (-5.68%). Five trading days later: $2.31 (+0.87%).
Other LUNG SEC filings
Get alerts when LUNG files with the SEC, plus live charts, key levels and news for 13,000+ stocks.
Try SEPT free for 7 days