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Gossamer Bio, Inc.

$10.73 -$219.67 (-95.34%)
NASDAQ · 11 Sep 2026 20:00 UTC
Previous Close
$11.39
Day Range
$10.47$12.52
Year Range
$9.12$309.6
Market Cap
65.57M
AVG Volume
294.97K
Trailing/Forward PE
2.98/-
PEG ratio
-0.1
Dividend Yield
-
Next Earnings Date
2026-11-04
Primary Exchange
NASDAQUS
Revenue (USD)
050M100M150M201720182019202020212022202320242025
GOSS Revenue (USD) by year
PeriodRevenue (USD)
202548.47M
2024114.7M
20230
20220
20210
20200
20190
20180
20170
Net Income (USD)
-300M-200M-100M0201720182019202020212022202320242025
GOSS Net Income (USD) by year
PeriodNet Income (USD)
2025-170.37M
2024-56.53M
2023-179.82M
2022-229.38M
2021-234M
2020-243.36M
2019-180.31M
2018-146.97M
2017-6.77M
Operating Income (USD)
-300M-200M-100M0201720182019202020212022202320242025
GOSS Operating Income (USD) by year
PeriodOperating Income (USD)
2025-170.73M
2024-59.92M
2023-183.76M
2022-218.59M
2021-216.12M
2020-233.96M
2019-186.14M
2018-148.99M
2017-6.65M
EBITDA (USD)
-300M-200M-100M0201720182019202020212022202320242025
GOSS EBITDA (USD) by year
PeriodEBITDA (USD)
2025-158.68M
2024-39.97M
2023-161.92M
2022-211.07M
2021-209.4M
2020-241.47M
2019-178.6M
2018-118.83M
2017-6.33M
Cash Flows (USD)
-300M-200M-100M0201720182019202020212022202320242025
GOSS Cash Flows (USD) by year
PeriodCash Flows (USD)
2025-171.34M
2024-3.47M
2023-159.16M
2022-187.51M
2021-190.48M
2020-201.24M
2019-151.4M
2018-72.25M
2017-5.75M
EPS (USD)
-6-4-20201720182019202020212022202320242025
GOSS EPS (USD) by year
PeriodEPS (USD)
2025-0.75
2024-0.27
2023-1.39
2022-2.88
2021-3.12
2020-3.55
2019-3.33
2018-5.92
2017-0.29
Expenses (USD)
0100M200M300MR&DSG&ACapex201720182019202020212022202320242025
GOSS Expenses (USD) by year
PeriodExpenses (USD)
2025219.28M
2024174.62M
2023173.76M
2022219M
2021217.64M
2020235.47M
2019189.11M
2018120.55M
20171.15M
Cash & Debt (USD)
0200M400M600MCashLong Term DebtShort Term Debt201720182019202020212022202320242025
GOSS Cash & Debt (USD) by year
PeriodCash & Debt (USD)
2025136.93M
2024294.52M
2023296.43M
2022255.68M
2021325.22M
2020512.63M
2019401.77M
2018228.66M
2017315K
Debt ratios
-0.200.20.40.60.8202020212022202320242025
GOSS Debt ratios by year
PeriodDebt ratios
2025-0.12
20240.15
20230.1
20220.04
20210.19
20200.6
Margins
0%50%100%150%20242025
GOSS Margins by year
PeriodMargins
2025100%
2024100%
Return on Capital
-2000%-1000%0%1000%201720182019202020212022202320242025
GOSS Return on Capital by year
PeriodReturn on Capital
2025138.78%
2024-191.67%
2023-286.47%
2022-1899.3%
2021-192.65%
2020-75.89%
2019-51.15%
2018122.4%
201798.67%
Shares Outstanding
0100M200M300M201720182019202020212022202320242025
GOSS Shares Outstanding by year
PeriodShares Outstanding
2025226.6M
2024226.6M
2023225.41M
202294.28M
202175.59M
202073.21M
201961.28M
201824.83M
201724.83M
Book Value Per Share (USD)
-50510201720182019202020212022202320242025
GOSS Book Value Per Share (USD) by year
PeriodBook Value Per Share (USD)
2025-0.54
20240.13
20230.28
20220.13
20211.61
20204.38
20195.75
2018-4.84
2017-0.28
Total Assets (USD)
0200M400M600M201720182019202020212022202320242025
GOSS Total Assets (USD) by year
PeriodTotal Assets (USD)
2025172.25M
2024315.29M
2023311.92M
2022272.45M
2021343.66M
2020539.43M
2019426.6M
2018239.42M
2017445K
Employee Count
05010015020020182019202020212022202320242025
GOSS Employee Count by year
PeriodEmployee Count
2025161
2024144
2023135
2022178
2021185
2020195
2019171
2018118
Free Cash Flow Yield
-8%-6%-4%-2%0%2%med -0.29%Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
GOSS Free Cash Flow Yield by year
PeriodFree Cash Flow Yield
Sep 26-6.47%
Sep 26-4.95%
Aug 26-5.1%
Aug 26-5.61%
Aug 26-5.63%
Aug 26-5.11%
Jul 26-5.36%
Jul 26-6.69%
Jul 26-5.34%
Jul 26-5.36%
Jul 26-5.25%
Jun 26-5.79%
Jun 26-5.41%
Jun 26-5.62%
Jun 26-5.2%
May 26-3.94%
May 26-4.33%
May 26-2.67%
May 26-2.89%
May 26-2.56%
Apr 26-2.61%
Apr 26-2.12%
Apr 26-2.31%
Apr 26-2.55%
Mar 26-2.73%
Mar 26-2.24%
Mar 26-1.99%
Mar 26-1.74%
Feb 26-2.05%
Feb 26-0.41%
Feb 26-0.38%
Feb 26-0.38%
Jan 26-0.38%
Jan 26-0.32%
Jan 26-0.34%
Jan 26-0.35%
Jan 26-0.3%
Dec 25-0.27%
Dec 25-0.25%
Dec 25-0.24%
Dec 25-0.26%
Nov 25-0.26%
Nov 25-0.28%
Nov 25-0.32%
Nov 25-0.37%
Oct 25-0.35%
Oct 25-0.34%
Oct 25-0.39%
Oct 25-0.37%
Oct 25-0.33%
Sep 25-0.31%
Sep 25-0.28%
Sep 25-0.25%
Sep 25-0.29%
Aug 25-0.34%
Aug 25-0.36%
Aug 25-0.43%
Aug 25-0.48%
Aug 250.03%
Jul 250.03%
Jul 250.03%
Jul 250.04%
Jul 250.04%
Jun 250.04%
Jun 250.03%
Jun 250.04%
Jun 250.04%
May 250.05%
May 250.04%
May 250.05%
May 25-0.02%
May 25-0.02%
Apr 25-0.02%
Apr 25-0.02%
Apr 25-0.02%
Apr 25-0.02%
Mar 25-0.02%
Mar 25-0.01%
Mar 25-0.01%
Mar 25-0.01%
Feb 25-0.01%
Feb 25-0.01%
Feb 25-0.01%
Feb 25-0.01%
Jan 25-0.01%
Jan 25-0.01%
Jan 25-0.01%
Jan 25-0.01%
Jan 25-0.01%
Dec 24-0.01%
Dec 24-0.01%
Dec 24-0.01%
Dec 24-0.01%
Nov 24-0.01%
Nov 24-0.01%
Nov 24-0.01%
Nov 24-0.01%
Nov 24-0.02%
Oct 24-0.02%
Oct 24-0.02%
Price to Sales
0500100015002000med 179.15Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
GOSS Price to Sales by year
PeriodPrice to Sales
Sep 2647.15
Sep 2661.6
Aug 2659.8
Aug 2654.4
Aug 2654.22
Aug 2660.03
Jul 2657.17
Jul 2645.87
Jul 2657.38
Jul 2657.25
Jul 2658.43
Jun 2652.95
Jun 2656.66
Jun 2654.6
Jun 2659.02
May 2677.87
May 2670.87
May 26114.67
May 26122.3
May 26138.29
Apr 26135.67
Apr 26166.81
Apr 26153.15
Apr 26138.38
Mar 26129.59
Mar 26157.97
Mar 26180.98
Mar 26207.33
Feb 26175.91
Feb 26881.89
Feb 26948.13
Feb 26935.71
Jan 26943.99
Jan 261117.89
Jan 261043.36
Jan 261035.08
Jan 261192.41
Dec 251337.32
Dec 251424.27
Dec 251490.51
Dec 251378.73
Nov 251382.87
Nov 251266.94
Nov 251122.03
Nov 25977.12
Oct 251107.09
Oct 251120.65
Oct 25989.6
Oct 251030.27
Oct 251161.32
Sep 251220.06
Sep 251378.21
Sep 251563.48
Sep 251328.51
Aug 251116.13
Aug 251057.38
Aug 25885.67
Aug 25795.3
Aug 25291.28
Jul 25267.98
Jul 25247.59
Jul 25198.07
Jul 25180.6
Jun 25182.05
Jun 25209.72
Jun 25180.6
Jun 25193.7
May 25161.66
May 25174.77
May 25151.47
May 25175.43
May 25186.5
Apr 25151.45
Apr 25133.16
Apr 25130.39
Apr 25126.44
Mar 25184.92
Mar 25219.69
Mar 25229.17
Mar 25208.03
Feb 25211.47
Feb 25240.7
Feb 25225.22
Feb 25182.24
Jan 25170.83
Jan 25159.89
Jan 25165.37
Jan 25167.13
Jan 25175.37
Dec 24146.95
Dec 24144.42
Dec 24159.89
Dec 24129.5
Nov 24120.03
Nov 24119.6
Nov 24127.25
Nov 24151.1
Nov 24164.99
Oct 24177.71
Oct 24181.65
Price/Operating Cashflow
20002500300035004000med 2569.44May 25Jun 25Jun 25Jul 25Jul 25Aug 25
GOSS Price/Operating Cashflow by year
PeriodPrice/Operating Cashflow
Aug 253983.63
Jul 253664.94
Jul 253386.09
Jul 252708.87
Jul 252469.85
Jun 252489.77
Jun 252868.22
Jun 252469.85
Jun 252649.12
May 252210.92
May 252390.18
May 252071.49
Price to Book
02505007501000med 300.32Feb 23Dec 23Mar 24Jun 24Oct 24Jan 25May 25
GOSS Price to Book by year
PeriodPrice to Book
May 25682.3
May 25725.33
Apr 25589.02
Apr 25517.87
Apr 25507.12
Apr 25491.75
Mar 25719.18
Mar 25854.41
Mar 25891.3
Mar 25404.73
Feb 25411.42
Feb 25468.28
Feb 25438.18
Feb 25354.55
Jan 25332.35
Jan 25311.07
Jan 25321.73
Jan 25325.16
Jan 25341.17
Dec 24285.9
Dec 24280.97
Dec 24311.07
Dec 24251.95
Nov 24233.51
Nov 24232.68
Nov 24247.56
Nov 24293.97
Nov 24193.95
Oct 24208.91
Oct 24213.54
Oct 24214.21
Oct 24237.52
Sep 24213.1
Sep 24233.08
Sep 24204.53
Sep 24202
Aug 24194.84
Aug 24201.72
Aug 24188.63
Aug 24534.73
Aug 24602.99
Jul 24756.9
Jul 24696.08
Jul 24790.69
Jul 24729.87
Jun 24608.81
Jun 24439.27
Jun 24351.42
Jun 24370.59
May 24398.72
May 24418.91
May 24469.01
May 24501.62
May 24212.59
Apr 24191.91
Apr 24225.16
Apr 24257.19
Apr 24295.91
Mar 24339
Mar 24387.84
Mar 24419.44
Mar 24396.46
Mar 24203.55
Feb 24191.75
Feb 24159.3
Feb 24128.32
Feb 24122.46
Jan 24118.02
Jan 24128.32
Jan 24143.61
Jan 24125.37
Dec 23134.59
Dec 23127.23
Dec 23150.45
Dec 23151.92
Dec 23124.78
Nov 23113.87
Nov 23121.39
Nov 2377.25
May 23849.36
Apr 23805.64
Apr 23755.68
Apr 23655.76
Apr 23680.74
Mar 23786.91
Mar 23743.19
Mar 23600.17
Mar 23169.58
Mar 23236.89
Feb 23223.94
Feb 23286.08
Feb 23297.73
Feb 23359.86
Jan 23314.56
Jan 23257.6
Jan 23302.91
Jan 23284.79
Dec 22280.9
Dec 22245.95
Dec 22353.39
Gossamer Bio, Inc.
GOSS
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News: GOSS

Gossamer Bio Announces Effectiveness of 1-for-80 Reverse Stock Split

gurufocus.com · 11 Sep 2026

Gossamer Bio Announces Effectiveness of 1-for-80 Reverse Stock Split

Gossamer Bio, Inc. (Nasdaq: GOSS) (the “Company” or “Gossamer”), a clinical-stage biopharmaceutical company focused on the development and commercializa

Gossamer Bio Announces Effectiveness of 1-for-80 Reverse Stock Split

businesswire.com · 11 Sep 2026

Gossamer Bio Announces Effectiveness of 1-for-80 Reverse Stock Split

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS) (the “Company” or “Gossamer”), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease, today announced that it has filed a Certificate of Amendment to its Amended and Restated Certificate of Incorporation with the Secretary of State of the State of Delaware to eff.

Gossamer Bio Announces 1-for-80 Reverse Stock Split

businesswire.com · 9 Sep 2026

Gossamer Bio Announces 1-for-80 Reverse Stock Split

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS) (the “Company” or “Gossamer”), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease, today announced that its board of directors (the “Board”) has selected a 1-for-80 reverse stock split of the Company's common stock and a proportionate reduction in the number.

Gossamer Bio to Present at Cantor Global Healthcare Conference

gurufocus.com · 4 Sep 2026

Gossamer Bio to Present at Cantor Global Healthcare Conference

Gossamer Bio, Inc. (Nasdaq: GOSS), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment

Gossamer Bio to Present at Cantor Global Healthcare Conference

businesswire.com · 4 Sep 2026

Gossamer Bio to Present at Cantor Global Healthcare Conference

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that the Company will present at the Cantor Global Healthcare Conference to take place on September 9-11, 2026. Cantor Global Healthcare Conference Date / Time: September 9th,.

Gossamer Bio Announces Up to $250 Million Structured Private Placement, Including $150 Million of Committed Capital, to Fund Seralutinib Through Potential FDA Approval

gurufocus.com · 21 Aug 2026

Gossamer Bio Announces Up to $250 Million Structured Private Placement, Including $150 Million of Committed Capital, to Fund Seralutinib Through Potential FDA Approval

Gossamer Bio, Inc. (Nasdaq: GOSS) (the “Company” or “Gossamer”), a clinical-stage biopharmaceutical company focused on the development and commercializa

Gossamer Bio Announces Up to $250 Million Structured Private Placement, Including $150 Million of Committed Capital, to Fund Seralutinib Through Potential FDA Approval

businesswire.com · 21 Aug 2026

Gossamer Bio Announces Up to $250 Million Structured Private Placement, Including $150 Million of Committed Capital, to Fund Seralutinib Through Potential FDA Approval

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS) (the “Company” or “Gossamer”), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that it has entered into a securities purchase agreement with certain new and existing institutional investors for a private placement financing.

Gossamer Bio (GOSS) Reports Q2 Loss, Tops Revenue Estimates

zacks.com · 13 Aug 2026

Gossamer Bio (GOSS) Reports Q2 Loss, Tops Revenue Estimates

Gossamer Bio (GOSS) came out with a quarterly loss of $0.2 per share versus the Zacks Consensus Estimate of a loss of $0.1. This compares to a loss of $0.17 per share a year ago.

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