Gossamer Bio, Inc. GOSS

Healthcare SIC 2834 - Pharmaceutical Preparations NAICS Manufacturing › Chemical Manufacturing › Pharmaceutical and Medicine Manufacturing › Pharmaceutical Preparation Manufacturing derived Nasdaq

We are a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary hypertension, or PH, including pulmonary arterial hypertension, or PAH, and PH

associated with interstitial lung disease, or PH-ILD. Our goal is to be an industry leader in, and to enhance the lives of patients living with, PH. To accomplish this goal, we have assembled a deeply experienced and highly skilled group of industry veterans, scientists, clinicians and key opinion leaders from leading biotechnology and pharmaceutical companies, as well as leading academic centers from around the world. We intend to maintain a scientifically rigorous and inclusive corporate culture where employees strive to bring improved therapeutic options to patients.

Last close 9.61 2026-10-23
Market cap $4.70B 2026-06-30 share count
52-week range 0.11 - 14.75

Valuation FY2025 figures against the last close

P/S96.9x
P/E—
P/FCF—
EV/EBITDA—
Dividend yield—
Diluted EPS-0.75

Annual financial statements

Income statement

Fiscal year FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Revenue $48.5M$114.7M$0$0——————
SG&A $37.6M$36.1M$38.5M$47.6M$45.8M$49.7M$39.1M$44.1M$262.0K—
Total operating expenses $219.2M$174.6M$183.8M$218.6M$216.1M$234.0M$186.1M$149.0M$6.7M—
Operating income -$170.7M-$59.9M-$183.8M-$218.6M-$216.1M-$234.0M-$186.1M-$149.0M-$6.7M—
Interest expense $11.0M$11.5M$13.5M$13.9M$19.4M$12.7M$1.9M$12.0K——
Pre-tax income -$170.5M-$55.6M-$179.8M-$229.4M-$234.0M-$243.4M-$180.3M-$147.0M$6.8M—
Income tax $88.0K$893.0K$0$0——$0$0$0—
Net income -$170.4M-$56.5M-$179.8M-$229.4M-$234.0M-$243.4M-$180.3M-$147.0M-$6.8M—
EPS, basic -0.75-0.25-1.18-2.71-3.13-3.55-3.29———
EPS, diluted -0.75-0.25-1.18-2.71-3.13-3.55-3.29-22.59-0.74—
Shares, diluted (wtd. avg.) 228.5M226.2M152.6M84.6M74.8M68.5M54.7M———

Balance sheet

Fiscal year FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Cash and equivalents $37.7M$46.1M$32.1M$112.0M$183.5M$486.6M$135.1M$105.4M$315.0K$60.0K
Short-term investments $109.1M$248.4M$264.3M$143.7M$141.8M$26.6M$266.7M$123.4M——
Receivables $12.2M$5.3M$0———————
Total current assets $167.6M$309.9M$306.5M$261.9M$331.8M$522.3M$409.3M$232.0M——
Property, plant and equipment $64.0K$10.0K$1.6M$4.0M$5.3M$5.5M$5.4M$3.2M——
Total assets $172.2M$315.3M$311.9M$272.4M$343.7M$539.4M$426.6M$239.4M——
Accounts payable $6.0M$2.3M$5.5M$1.5M$3.2M$7.5M$956.0K$2.2M——
Short-term debt —$0$11.6M$11.6M$0—————
Total current liabilities $63.4M$45.0M$51.6M$49.2M$39.9M$38.6M$36.9M$20.4M——
Long-term debt —$0$814.0K$12.0M$29.1M$28.7M$28.5M———
Total liabilities $295.0M$285.8M$249.1M$260.4M$222.2M$218.7M$74.1M$21.1M——
Retained earnings -$1.44B-$1.27B-$1.21B-$1.03B-$811.5M-$577.5M-$334.2M-$153.9M——
Total equity -$122.8M$29.5M$62.8M$12.1M$121.5M$320.7M$352.5M-$120.1M-$6.9M-$123.0K

Cash flow

Fiscal year FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Operating cash flow -$171.3M-$3.5M-$159.2M-$187.0M-$188.9M-$176.4M-$144.8M-$51.0M-$5.7M—
Depreciation and amortisation $24.0K$833.0K$1.6M$1.8M$1.7M$1.4M$917.0K$297.0K$0—
Stock-based compensation $10.6M$20.6M$28.5M$42.6M$32.0M$38.7M$20.8M$30.9M$32.0K—
Capital expenditure $79.0K$0$0$410.0K$1.5M$1.5M$3.0M$3.5M——
Investing cash flow $156.4M$29.0M-$111.0M-$1.0M-$117.4M$215.3M-$147.1M-$144.7M——
Financing cash flow $6.4M-$11.5M$190.2M$117.1M$3.3M$312.5M$321.6M$300.9M$6.0M—

Figures as tagged in each year's own filing, in US dollars. A year restated by a later filing shows the restated figure. Capital expenditure, dividends and buybacks are cash out, shown positive. A line the filer does not report is not listed. Latest from accession 0001728117-26-000052.

Plot the figures US dollars

  • Revenue
  • Gross profit
  • Net income
Revenue, Gross profit, Net income by fiscal year, in US dollars The same figures are in the table below this chart. -300M -200M -100M 0 100M 200M Net income, FY2017: -6.8M Net income, FY2018: -147M Net income, FY2019: -180.3M Net income, FY2020: -243.4M Net income, FY2021: -234M Revenue, FY2022: 0 Net income, FY2022: -229.4M Revenue, FY2023: 0 Net income, FY2023: -179.8M Revenue, FY2024: 114.7M Net income, FY2024: -56.5M Revenue, FY2025: 48.5M Net income, FY2025: -170.4M FY2016 FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 FY2024 FY2025
Fiscal year FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Revenue — — — — — — $0 $0 $114.7M $48.5M
Gross profit — — — — — — — — — —
Net income — -$6.8M -$147.0M -$180.3M -$243.4M -$234.0M -$229.4M -$179.8M -$56.5M -$170.4M

Recent filings and events

  • Charter or fiscal year changed A change to the company's governing documents, or to when its year ends. Item 5.03
  • Charter or fiscal year changed Item 5.03
  • Material agreement signed The company entered an agreement outside the ordinary course of business - a large contract, a credit facility, a merger agreement. Item 1.01
  • Unregistered share sale Shares issued outside a registered offering. Dilution, and for a small company often the way it is funded. Item 3.02
  • Charter or fiscal year changed Item 5.03
  • Regulation FD disclosure Something the company told the market and had to tell everyone at once - usually a slide deck or a press release. Item 7.01
  • Results announced The quarterly or annual earnings release. Arrives four times a year from almost every company here. Item 2.02
  • Material agreement signed Item 1.01
  • Material agreement terminated An agreement that mattered has ended. Often the other half of a deal that fell through. Item 1.02
  • Results announced Item 2.02
  • Regulation FD disclosure Item 7.01
  • Other event The catch-all. The company chose to disclose something that fits no other item, so the content is whatever it says it is. Item 8.01

Item numbers are Form 8-K's own, and a filing date is up to four business days after the thing it reports. The same feed across the whole market.

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