Pulmatrix, Inc. (PULM) Key Metrics

NASDAQ: PULMValuation, returns, debt and efficiency ratios over 10 years.

PULM valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$5.0M
Enterprise value
−$3.4M
P/E (TTM)
—
Forward P/E
—
PEG ratio
—
Price / sales
48.2
10-yr median 2.5
Price / book
3.9
10-yr median 1.3
EV / EBITDA
1.6
Dividend yield
—
Beta
1.93

PULM key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

PULM valuation Price multiples at each fiscal year-end price.

Price / book−25.0%
2.1
2025 · hover or tap a bar for each year
2019: 1.32020: 1.5 (+13.2%)2021: 0.5 (−66.2%)2022: 0.4 (−14.0%)2023: 0.4 (−12.2%)2024: 2.8 (+654.9%)2025: 2.1 (−25.0%)
20162025
Free cash flow yield−23.1 pts
−66.7%
2025 · hover or tap a bar for each year
2019: 22.0%2020: −37.3% (−59.3 pts)2021: −83.7% (−46.4 pts)2022: −145.3% (−61.6 pts)2023: −245.3% (−99.9 pts)2024: −43.6% (+201.7 pts)2025: −66.7% (−23.1 pts)
20162025

PULM valuation history

Fiscal year-endToday10-year median

PULM returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

PULM debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

PULM cash returned to shareholders

DividendsBuybacksFree cash flow

PULM price vs earnings per share

Share price at year-endEPS (right axis)

PULM key metrics

2016–2025
Pulmatrix, Inc. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$8.1M$25.5M$6.8M$13.4M$23.7M$34.2M$14.4M———
Enterprise value$4.1M$16.0M−$3.6M−$21.4M−$27.8M$4.3M−$8.4M———
Price / sales—3.30.92.24.62.71.8———
Price / book2.12.80.40.40.51.51.3———
Price / free cash flow——————4.5———
Price / operating cash flow——————4.5———
EV / sales—2.0-0.5-3.5-5.40.3-1.1———
Earnings yield−63.4%−37.5%−207.9%−140.0%−85.0%−56.4%−143.1%———
Free cash flow yield−66.7%−43.6%−245.3%−145.3%−83.7%−37.3%22.0%———
Dividend yield————13.5%—————
Shareholder yield (dividends + buybacks)———1.1%13.5%0.0%0.0%———
Share price at fiscal year-end$2.23$6.98$1.86$3.88$8.76$23.80$17.20$48.00$282.00$118.00
Per share
Revenue per share$0.00$2.14$2.00$1.76$1.91$8.79$9.45———
Earnings per share−$1.41−$2.62−$3.87−$5.43−$7.45−$13.43−$24.62———
Operating cash flow per share−$1.49−$2.93−$4.38−$5.61−$7.28−$8.68$3.86———
Free cash flow per share−$1.49−$3.04−$4.56−$5.64−$7.34−$8.88$3.79———
Cash per share$1.12$2.61$5.25$10.33$19.88$22.02$28.01———
Book value per share$1.04$2.45$4.93$9.02$17.52$16.09$13.17———
Tangible book value per share$1.04$2.45$4.93$9.02$17.52$11.12$4.62———
Dividends per share————$1.18—————
Capex per share$0.00$0.11$0.19$0.02$0.05$0.20$0.07———
Debt per share——$2.40$0.25$0.84$1.21$0.81———
Shares outstanding3.7M3.7M3.7M3.4M2.7M1.4M837K———
Change in shares outstanding0.0%+0.0%+5.9%+27.3%+88.4%+71.8%————
Returns & profitability
Return on equity (ROE)−80.9%−71.0%−57.5%−47.7%−57.2%−113.1%−180.2%−187.1%−191.1%−134.6%
Return on invested capital (ROIC)——−594.7%————−168.9%−136.8%−127.5%
Return on assets (ROA)−73.3%−43.5%−37.7%−37.5%−41.6%−52.0%−81.1%−134.0%−110.6%−90.5%
Return on tangible assets−124.7%−96.1%−41.6%−45.7%−34.3%−62.3%−71.2%−530.2%——
Free cash flow margin—−142.4%−228.3%−320.2%−384.4%−101.0%40.1%———
Financial health
Total debt——$8.8M$857,000$2.3M$1.7M$675,000−$67,000$3.2M$5.8M
Cash & short-term investments$4.1M$9.5M$19.2M$35.6M$53.8M$31.7M$23.4M$2.6M$3.5M$4.2M
Net debt−$4.1M−$9.5M−$10.4M−$34.8M−$51.6M−$29.9M−$22.8M−$2.6M−$329,000$1.6M
Debt / equity——0.490.030.050.080.06−0.010.320.66
Debt / assets——0.260.020.040.050.02−0.000.200.35
Current ratio12.5510.685.337.6012.333.941.831.140.731.02
Quick ratio12.5510.685.437.5712.333.861.791.140.731.02
Interest coverage———-170.7——-111.2-109.3-27.2-28.2
Working capital$3.8M$9.0M$16.9M$33.1M$50.3M$24.3M$14.2M$401,000−$1.6M$109,000
Invested capital−$278,000−$574,000$7.6M−$3.7M−$4.1M−$6.8M−$11.7M$9.2M$9.8M$10.4M
Tangible asset value$3.8M$8.9M$18.0M$31.1M$47.4M$16.0M$3.9M$999,000−$11.7M−$13.1M
Net current asset value$3.8M$8.9M$4.9M$28.3M$43.4M$17.5M$6.3M$401,000−$1.6M−$3.1M
Graham net-net per share$1.03$2.33$1.02$7.78$15.70$11.84$4.83———
Capital allocation
Dividends paid————$3.2M———$0$0
Share buybacks (net)———$152,000—$0$0$0$0$0
Dividends + buybacks / free cash flow——————0.0%———
Capex / revenue—5.1%9.3%1.4%2.8%2.2%0.7%12.4%22.1%54.5%
Capex / operating cash flow——————1.8%———
Capex / depreciation—0.910.460.060.120.270.080.080.301.82
Stock-based compensation / revenue—6.5%13.1%18.3%22.4%9.2%26.1%1,943.1%841.2%478.8%
R&D / revenue—91.8%212.6%300.4%297.6%123.5%162.4%8,474.5%3,057.6%2,118.1%
SG&A / revenue—99.7%89.3%111.6%123.4%54.5%107.3%4,913.7%2,258.8%959.9%
Efficiency
Days sales outstanding—21.755.741.05.3105.2166.11.2112.8150.2
Days of inventory on hand——-2.618.17.9—15.8———
Days payables outstanding5,191.669.436.5239.420.1—25.323.121.533.0
Cash conversion cycle (days)—-47.716.6-180.3-6.8—156.6-21.991.3117.1
Receivables turnover—16.826.568.9068.463.472.20306.003.242.43
Payables turnover0.075.2610.001.5218.200.0014.4115.8117.0111.05
Inventory turnover———20.2046.120.0023.10———
Asset turnover0.000.360.190.120.110.340.310.010.020.03
Average receivables—$464,000$1.1M$682,500$75,500$3.6M$3.6M$500$103,500$343,500
Average payables$540,500$1.4M$1.6M$1.0M$845,000$725,500$891,500$820,000$602,000$918,500
Average inventory——−$108,500$76,500$333,500$611,500$556,000—$0$0
Intangibles / total assets0.0%0.0%0.0%0.0%0.0%18.7%19.8%73.7%136.6%131.0%

Computed from PULM's annual financial statements (latest annual report filed February 26, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

PULM valuation and financial ratios

Pulmatrix earned a return on equity of −80.9% in fiscal 2025.

See the PULM income statement, the PULM chart for price history, or the PULM stock overview for the latest quote and news.

PULM key metrics FAQ

What is Pulmatrix's return on equity?

Pulmatrix's return on equity (ROE) was −80.9% in fiscal 2025: net income of -$5.2 million on average shareholders' equity of $6.4 million.

What is Pulmatrix's free cash flow yield?

Pulmatrix generated -$5.4 million of free cash flow in fiscal 2025, a free cash flow yield of −66.7% on its market value at year-end ($8.1 million).

What is Pulmatrix's current ratio?

Pulmatrix's current ratio was 12.55 at the end of fiscal 2025: current assets were 12.55 times current liabilities.

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