How much cash does Pulmonx Corporation generate?

Pulmonx Corporation (LUNG) generated -$29.3M in operating cash flow over the trailing twelve months.

What is Pulmonx Corporation's free cash flow?

After $160.0K of capital expenditures, Pulmonx Corporation's free cash flow was -$29.4M over the trailing twelve months, up 14.2% year over year.

Where does Pulmonx Corporation's cash flow data come from?

Every line is extracted from Pulmonx Corporation's SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.

Pulmonx Corporation LUNG Cash Flow Statement

Income Statement Balance Sheet Cash Flow Ratios Segments

Quarterly Annual TTM

YoY QoQ

Simplified Detailed

	TTM Q1 '26	TTM Q4 '25	TTM Q3 '25	TTM Q2 '25	TTM Q1 '25
Net income	-$53.21M+6.8%	-$54M+4.2%	-$56.75M+0.6%	-$56.94M+1.6%	-$57.09M+2.8%
Depreciation and amortization	$996K-26.1%	$1.05M-29.4%	$1.12M-24.8%	$1.25M-18.2%	$1.35M-12.1%
Stock-based compensation	$19.76M-13.7%	$21.23M-7.5%	$22.52M-2.2%	$23.19M0.0%	$22.89M-1.0%
Deferred income taxes	——	——	——	——	$37.5K+782%
Amortization of debt issuance costs	$88K+87.2%	$53K+1.9%	$49K-9.3%	$46K-17.9%	$47K-13.0%
Change in accounts receivable	-$3M—	-$1.08M—	$2.27M—	——	——
Change in inventories	$2.13M—	$765K—	$108K—	——	——
Change in accounts payable	——	——	——	——	——
Change in accrued liabilities	——	——	——	——	——
Change in other assets	——	——	——	——	$941K+18,720%
Change in deferred revenue	——	——	——	——	——
Change in income taxes payable/receivable	$228K—	$201K—	$74K—	——	——
Non-cash operating lease expense	$1.5M0.0%	$1.45M-21.5%	$1.41M-35.8%	$1.25M-51.5%	$1.5M-45.0%
Loss on extinguishment of debt	——	——	——	——	——
Change in operating lease liabilities	-$1.25M-8.9%	-$955K+51.0%	-$674K+75.7%	-$749K+76.0%	-$1.15M+64.8%
Net cash from operating activities	-$29.25M+11.3%	-$32.38M-2.7%	-$32.02M+3.7%	-$31.1M+10.2%	-$32.96M+10.3%
Capital expenditures	$160K-87.7%	$452K-68.8%	$550K-64.2%	$877K-45.6%	$1.3M+8.4%
Purchases of investments	——	——	——	$12.73M-69.3%	$18.03M-61.6%
Proceeds from maturities/sales of investments	$16.05M-71.1%	$36.59M-21.9%	$52.26M+56.4%	$56.21M+48.2%	$55.62M+29.4%
Net cash from investing activities	$14.17M-61.0%	$30.5M+74.5%	$44.56M+6,714%	$42.6M+934%	$36.3M+813%
Proceeds from issuance of debt	——	——	——	——	$0—
Repayments of debt	$37.1M—	$100K—	$98K—	——	——
Proceeds from issuance of common stock	$179K-34.2%	$249K+14.2%	$253K+47.1%	$276K+33.3%	$272K-15.5%
Net cash from financing activities	$2.26M+90.9%	$900K-35.0%	$907K-32.3%	$1.19M-18.4%	$1.19M-23.3%
Effect of exchange rate changes on cash	——	——	——	-$614K—	——
Net increase (decrease) in cash	-$12.98M—	-$1.15M—	——	——	——
Interest paid	$3.11M-8.3%	$3.11M-10.6%	$3.19M-10.0%	$3.28M-7.1%	$3.4M-3.1%
Income taxes paid	$435K-12.1%	$468K-15.8%	$459K-22.6%	$494K-13.3%	$495K-14.4%
Accretion (Amortization) of Discounts and Premiums, Investments	$173K-87.9%	$379K-76.5%	$719K-55.1%	$1.08M-25.7%	$1.43M+17.6%
Non-cash interest expense	$88K+87.2%	$53K+1.9%	$49K-9.3%	$46K-17.9%	$47K-13.0%
Increase (Decrease) in Deferred Income Taxes	——	——	——	——	$37.5K+782%
Operating lease liabilities	-$1.25M-8.9%	-$955K+51.0%	-$674K+75.7%	-$749K+76.0%	-$1.15M+64.8%
Increase (Decrease) in Prepaid Expense and Other Assets	——	——	——	-$41K—	$394K—
Inventory write-downs	$333K—	$143K—	——	——	——
Operating lease right-of-use asset amortization	$1.5M0.0%	$1.45M-21.5%	$1.41M-35.8%	$1.25M-51.5%	$1.5M-45.0%
Depreciation and amortization	$996K-26.1%	$1.05M-29.4%	$1.12M-24.8%	$1.25M-18.2%	$1.35M-12.1%
Payment-in-kind interest	——	——	——	——	——
Proceeds from Maturities, Prepayments and Calls of Short-Term Investments	$16.05M-71.1%	$36.59M-21.9%	$52.26M+56.4%	$56.21M+48.2%	$55.62M+29.4%
Proceeds from issuances of debt	——	——	——	——	——
Proceeds from repayments of a nonrecourse promissory note	——	——	——	——	$986K—
Repayments of Debt	——	——	——	——	——
Accrued payables for capital expenditures	——	——	——	——	——
Debt Issuance Costs Incurred During Noncash Or Partial Noncash Transaction	——	——	——	——	——
Increase Decrease In Contract With Customer Liability	——	——	——	——	——
Increase Decrease In Operating Lease Liability	-$1.25M-8.9%	-$955K+51.0%	-$674K+75.7%	-$749K+76.0%	-$1.15M+64.8%
Issuance of common stock warrants	——	——	——	——	——
Income Taxes Paid, Net	$435K-12.1%	$468K-15.8%	$459K-22.6%	$494K-13.3%	$495K-14.4%
Free cash flow	-$29.41M+14.2%	-$32.83M+0.5%	-$32.57M+6.4%	-$31.98M+11.8%	-$34.26M+9.7%
Free cash flow	-$29.41M+14.2%	-$32.83M+0.5%	-$32.57M+6.4%	-$31.98M+11.8%	-$34.26M+9.7%

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Questions, answered.

How much cash does Pulmonx Corporation generate?: Pulmonx Corporation (LUNG) generated -$29.3M in operating cash flow over the trailing twelve months.
What is Pulmonx Corporation's free cash flow?: After $160.0K of capital expenditures, Pulmonx Corporation's free cash flow was -$29.4M over the trailing twelve months, up 14.2% year over year.
Where does Pulmonx Corporation's cash flow data come from?: Every line is extracted from Pulmonx Corporation's SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.