8 years of revenue, profit, cash flow and balance-sheet history through FY2025,
from SEC filings — with a computed, factual read of the trend.
Updated Overview →
Growth & profitability
Revenue has grown 22.6% per year over the past 5 years.
Operating margin has expanded, at -59.3% in the latest year.
Financial health
The company holds more cash ($70M) than total debt ($37M).
Total debt has grown slower than revenue (16.5% vs 22.6% per year).
Operating income covered interest expense -17.0× in the latest year.
The company is unprofitable; at its current free-cash-flow burn it has roughly 2.1 years of cash runway.
Revenue & net income
RevenueNet income
Margins (gross / operating / net)
GrossOperatingNet
Free cash flow (CFO − capex)
Free cash flow
Cash vs total debt
CashTotal debt
Cash flow: operating / investing / financing
OperatingInvestingFinancing
Key annual figures
FY
Revenue
Net income
Gross M
Op M
FCF
Total debt
Cash
2025
$90M
-$54M
74.2%
-59.3%
-$33M
$37M
$70M
2024
$84M
-$56M
74.0%
-68.9%
-$33M
$40M
$71M
2023
$69M
-$61M
73.9%
-90.2%
-$38M
$39M
$84M
2022
$54M
-$59M
74.3%
-109.3%
-$46M
$17M
$102M
2021
$48M
-$49M
73.6%
-97.7%
-$45M
$18M
$148M
2020
$33M
-$32M
64.8%
-98.8%
-$32M
$17M
$232M
2019
$33M
-$21M
68.8%
-54.7%
-$21M
—
$15M
2018
$20M
-$18M
61.4%
-75.2%
-$19M
—
$4M
Revenue & net income
RevenueNet income
Margins (gross / operating / net)
GrossOperatingNet
Free cash flow (CFO − capex, quarterly)
Free cash flow
Cash vs total debt
CashTotal debt
Cash flow: operating / investing / financing
OperatingInvestingFinancing
Key quarterly figures
Quarter
Revenue
Net income
Gross M
Op M
FCF
Total debt
Cash
Mar '26
$21M
-$14M
77.9%
-62.9%
-$10M
$37M
$62M
Dec '25
$23M
-$10M
77.6%
-43.8%
-$7M
$37M
$70M
Sep '25
$22M
-$14M
74.7%
-66.9%
-$8M
$37M
$77M
Jun '25
$24M
-$15M
72.1%
-62.0%
-$4M
$37M
$75M
Mar '25
$23M
-$14M
72.5%
-64.6%
-$14M
$45M
$75M
Dec '24
$24M
-$13M
74.0%
-56.5%
-$7M
$40M
$71M
Sep '24
$20M
-$14M
73.7%
-69.3%
-$8M
$37M
$63M
Jun '24
$21M
-$15M
73.7%
-75.2%
-$6M
$37M
$63M
Mar '24
$19M
-$14M
74.7%
-77.1%
-$12M
$42M
$70M
Dec '23
$19M
-$14M
74.7%
-72.2%
-$9M
$39M
$84M
Sep '23
$18M
-$15M
73.7%
-85.9%
-$9M
$37M
$95M
Jun '23
$17M
-$16M
74.1%
-95.6%
-$8M
$37M
$102M
Mar '23
$15M
-$16M
72.9%
-112.8%
-$13M
$37M
$110M
Dec '22
$15M
-$14M
72.5%
-94.8%
-$10M
$17M
$102M
Sep '22
$14M
-$14M
75.2%
-103.2%
-$11M
$22M
$112M
Jun '22
$14M
-$15M
74.7%
-103.3%
-$10M
$20M
$122M
Mar '22
$11M
-$16M
75.2%
-145.3%
-$16M
$18M
$129M
Dec '21
$14M
-$13M
74.8%
-90.2%
-$12M
$18M
$148M
Sep '21
$13M
-$10M
73.4%
-73.6%
-$10M
$17M
$188M
Jun '21
$12M
-$13M
74.0%
-103.9%
-$13M
$17M
$199M
Valuation over time
How the market has priced LUNG against its own fundamentals since 2023-03 —
each month-end's share price set against the most recent annual filing, so the multiple moves
as price runs ahead of (or behind) earnings. Split-adjusted.
The price-to-sales ratio has fallen from 8.8× (Mar '23) to 0.6× (Jun '26).
Price / sales (P/S)
P/S
Frequently asked questions
Is LUNG growing its revenue and profit?
Over the past 5 years, Pulmonx Corp's revenue has grown 22.6% per year. These are computed facts, not advice.
How much debt does LUNG have?
As of FY2025, Pulmonx Corp reported $37M of total debt against $70M of cash; operating income covered interest expense -17.0×.
What is LUNG's profit margin?
In FY2025, gross margin was 74.2%, operating margin -59.3%, and net margin -59.7%.
Where does this data come from?
All figures are extracted from the company’s SEC EDGAR/XBRL filings — 10-K annual reports and 10-Q quarterly reports (use the Annual / Quarterly toggle). Quarterly figures are derived from the as-filed statements (year-to-date amounts are differenced into discrete quarters). Growth rates and ratios are computed by tradmap; nothing here is investment advice.
Source: SEC EDGAR / XBRL (10-K + 10-Q filings) · prices EOD (Databento), corporate-action-adjusted ·
growth rates, valuation multiples & ratios computed by tradmap. Valuation uses each month-end price
against the latest annual filing. Informational only — not investment advice.