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STEALTH BIOTHERAPEUTICS CORP

EDGAR

MITO Report (type unavailable) · filed 2022-11-16

52 filing records in this dataset, filed from 2018-12-28 to 2022-11-16. Reported financial figures are available; chart coverage varies by period.

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Watchlist

Latest fiscal year

Revenue

21.1 million USD

2019 · USD

Exact inputs and evidence

Revenue: 21087000 USD Source

Operating margin

-217.35%

2019 · %

Exact inputs and evidence

Operating Income: -45832000 USD Source
Revenue: 21087000 USD Source

Operating cash flow

-48 million USD

2019 · USD

Exact inputs and evidence

Operating Cash Flow: -47984000 USD Source

Free cash flow

-48.1 million USD

2019 · USD

Exact inputs and evidence

Operating Cash Flow: -47984000 USD Source
Capital Expenditure: 130000 USD Source

Cash and cash equivalents: 47.1 million USD 2021-12-31 Source
Exact value

47100000 USD
Long-term debt including current maturities: 13.7 million USD 2021-12-31 Source
Exact value

13656000 USD
Shares outstanding: 712 million shares 2021-12-31 Source
Exact value

712131058 shares

Reported share-count change

12.13% · 77 million shares

Year-over-year change in reported shares. Splits, issuance and buybacks can affect this figure; it does not isolate employee compensation or economic dilution.

Exact inputs and evidence

635092150 shares · 2020-12-31· Source
712131058 shares · 2021-12-31· Source

Includes later revisions to earlier periods. Annual charts exclude incomplete years.

Latest filing recorded: 2022-11-16.

Financial data available through: 2021-12-31.

Coverage by financial measure

Revenue: 1 of 11 periods available· newest 2019-12-31
Operating income: 6 of 11 periods available· newest 2021-12-31
Net income: 6 of 11 periods available· newest 2021-12-31
Operating cash flow: 6 of 11 periods available· newest 2021-12-31
Capital expenditure: 6 of 11 periods available· newest 2021-12-31
Total assets: 5 of 11 periods available· newest 2021-12-31
Total liabilities: 5 of 11 periods available· newest 2021-12-31
Current assets: 5 of 11 periods available· newest 2021-12-31
Current liabilities: 5 of 11 periods available· newest 2021-12-31
Cash and cash equivalents: 5 of 11 periods available· newest 2021-12-31
Long-term debt including current maturities: 4 of 11 periods available· newest 2021-12-31
Shares outstanding: 5 of 11 periods available· newest 2021-12-31

Coverage describes values retained in this snapshot. Missing values are not zero; loading limits are reported separately.

What changed year over year

Latest complete year compared with the corresponding period one year earlier. These are measured changes; they do not establish their business causes.

Net income
+USD 4.93 million

Prior period

−USD 57.46 million

2020-01-01 – 2020-12-31
Current period

−USD 52.53 million

2021-01-01 – 2021-12-31

Exact inputs and evidence

-52527000 − -57457000 = 4930000 USD

-57457000 USD · 2020-01-01 – 2020-12-31
Inspect prior input Prior source
-52527000 USD · 2021-01-01 – 2021-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Net income · STEALTH BIOTHERAPEUTICS CORP · 2021-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Year-over-year change in Net income: 4930000 USD Concept: fundies:NetIncome Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:NetIncome: -52527000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#4447301 Filing: 000095017022005474 Input fundies:NetIncome: -57457000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#4449519 Filing: 000095017022005474
The citation records this snapshot. The page link may show a newer release later.
Operating cash flow
+USD 8.57 million

Prior period

−USD 53.54 million

2020-01-01 – 2020-12-31
Current period

−USD 44.97 million

2021-01-01 – 2021-12-31

Exact inputs and evidence

-44971000 − -53539000 = 8568000 USD

-53539000 USD · 2020-01-01 – 2020-12-31
Inspect prior input Prior source
-44971000 USD · 2021-01-01 – 2021-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Operating cash flow · STEALTH BIOTHERAPEUTICS CORP · 2021-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Year-over-year change in Operating cash flow: 8568000 USD Concept: fundies:OperatingCashFlow Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:OperatingCashFlow: -44971000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3291034 Filing: 000095017022005474 Input fundies:OperatingCashFlow: -53539000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3293169 Filing: 000095017022005474
The citation records this snapshot. The page link may show a newer release later.
Capital expenditure
+91.4%

Prior period

USD 35,000

2020-01-01 – 2020-12-31
Current period

USD 67,000

2021-01-01 – 2021-12-31

Exact inputs and evidence

67000 − 35000 = 32000 USD

35000 USD · 2020-01-01 – 2020-12-31
Inspect prior input Prior source
67000 USD · 2021-01-01 – 2021-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Capital expenditure · STEALTH BIOTHERAPEUTICS CORP · 2021-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Year-over-year change in Capital expenditure: 32000 USD Concept: fundies:CapitalExpenditure Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:CapitalExpenditure: 67000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3301547 Filing: 000095017022005474 Input fundies:CapitalExpenditure: 35000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3303534 Filing: 000095017022005474
The citation records this snapshot. The page link may show a newer release later.

Comparable inputs unavailable for: Revenue.

Where revenue goes

How a period’s revenue divides into costs and what remains as profit. Items marked Derived are calculated by subtraction from reported figures.

2019 2019-01-01 – 2019-12-31

Revenue USD 21.09 million 100% of revenue
Operating costs Derived USD 66.92 million 317% of revenue
Operating income −USD 45.83 million −217% of revenue
Tax, interest and other Derived USD 25.9 million 123% of revenue
Net income −USD 71.73 million −340% of revenue

Cash

Operating cash flow −USD 47.98 million −228% of revenue
Capital expenditure USD 130,000 0.6% of revenue
Free cash flow Derived −USD 48.11 million −228% of revenue

Share of revenue by period

Net income
Tax, interest and other
Operating costs

2019 Operating loss: operating costs were 317% of revenue.

Values and sources

Revenue breakdown by annual reporting period
Period	Revenue	Operating costs	Operating income	Tax, interest and other	Net income	Free cash flow	Source
2019 2019-01-01 – 2019-12-31	21087000	66919000 Derived	-45832000	25896000 Derived	-71728000	-48114000 Derived	Source 2019-01-01 – 2019-12-31: 21087000 USD Inspect Revenue Open source 2019-01-01 – 2019-12-31: -45832000 USD Inspect Operating Income Open source 2019-01-01 – 2019-12-31: -71728000 USD Inspect Net Income Open source 2019-01-01 – 2019-12-31: -47984000 USD Inspect Operating Cash Flow Open source 2019-01-01 – 2019-12-31: 130000 USD Inspect Capital Expenditure Open source

Amounts are exact, in USD.

Growth

Sales over time and how quickly they are changing.

Revenue

Revenue reported for each complete financial period.

USD 21.1M 2019

Values and sources

Revenue values and source evidence
Period	Series	Value(USD)	Source evidence
20192019-12-31	Revenue	21087000	Revenue: 21087000 Open source

Revenue growth

Change in revenue from the same financial period one year earlier.

Not enough comparable data to show this history.

Values and sources

Revenue growth values and source evidence
Period	Series	Value	Source evidence
20192019-12-31	Year over year	No prior comparable period	Revenue: 21087000 Open source

Profit and cash

How much revenue becomes profit, and how much cash operations generate.

Profit margins

Operating income, net income and free cash flow as a share of revenue.

Operating margin -217.3% 2019

Net margin -340.2% 2019

Free cash flow margin -228.2% 2019

Operating margin
Net margin
Free cash flow margin

Values and sources

Profit margins values and source evidence
Period	Series	Value	Source evidence
20192019-12-31	Operating margin	-217.3%	Operating Income: -45832000 Open source Revenue: 21087000 Open source
20192019-12-31	Net margin	-340.2%	Net Income: -71728000 Open source Revenue: 21087000 Open source
20192019-12-31	Free cash flow margin	-228.2%	Revenue: 21087000 Open source Operating Cash Flow: -47984000 Open source Capital Expenditure: 130000 Open source

Operating cash flow

Cash generated by the company’s normal business operations.

USD -48M 2019

Values and sources

Operating cash flow values and source evidence
Period	Series	Value(USD)	Source evidence
20192019-12-31	Operating cash flow	-47984000	Operating Cash Flow: -47984000 Open source

Free cash flow

Operating cash flow minus capital expenditure for the same period and unit.

USD -48.1M 2019

Values and sources

Free cash flow values and source evidence
Period	Series	Value(USD)	Source evidence
20192019-12-31	Free cash flow	-48114000	Operating Cash Flow: -47984000 Open source Capital Expenditure: 130000 Open source

Balance sheet

Liabilities and short-term ability to meet obligations at each period end.

Liabilities to assets

Total liabilities as a share of total assets.

67.3% 2019

Values and sources

Liabilities to assets values and source evidence
Period	Series	Value	Source evidence
20192019-12-31	Liabilities / assets	67.3%	Total Liabilities: 35476000 Open source Total Assets: 52743000 Open source

Current assets to current liabilities

Current assets divided by current liabilities.

1.54× 2019

Values and sources

Current assets to current liabilities values and source evidence
Period	Series	Value	Source evidence
20192019-12-31	Current assets / current liabilities	1.54×	Current Assets: 52398000 Open source Current Liabilities: 33950000 Open source

Cash generation

Compare reported profit with operating cash and capital spending. Free cash flow is calculated as operating cash flow minus capital expenditure when both exact, consolidated amounts match the same period and unit.

Cash generation by annual reporting period
Period	Net income	Operating cash flow	Capital expenditure	Free cash flow
2016 2016-01-01 – 2016-12-31	−USD 61.05 million Exact value Exact value: -61049482 USD 2016-01-01 – 2016-12-31: -61049482 USD Inspect Net Income Open source Share or cite Citation for Net Income · STEALTH BIOTHERAPEUTICS CORP · 2016-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Net Income: -61049482 USD Concept: fundies:NetIncome Period: 2016-01-01 to 2016-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ANetIncome&period=2016-12-31&surface=latest&period_type=duration&start=2016-01-01&unit=USD&dimensions= Input fundies:NetIncome: -61049482 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000119312519097880/mito-20181231.xml#777485 Filing: 000119312519097880 The citation records this snapshot. The page link may show a newer release later.	−USD 54.02 million Exact value Exact value: -54019933 USD 2016-01-01 – 2016-12-31: -54019933 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · STEALTH BIOTHERAPEUTICS CORP · 2016-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Operating Cash Flow: -54019933 USD Concept: fundies:OperatingCashFlow Period: 2016-01-01 to 2016-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3AOperatingCashFlow&period=2016-12-31&surface=latest&period_type=duration&start=2016-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -54019933 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000119312519097880/mito-20181231.xml#777217 Filing: 000119312519097880 The citation records this snapshot. The page link may show a newer release later.	USD 287,883 Exact value Exact value: 287883 USD 2016-01-01 – 2016-12-31: 287883 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · STEALTH BIOTHERAPEUTICS CORP · 2016-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Capital Expenditure: 287883 USD Concept: fundies:CapitalExpenditure Period: 2016-01-01 to 2016-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ACapitalExpenditure&period=2016-12-31&surface=latest&period_type=duration&start=2016-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 287883 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000119312519097880/mito-20181231.xml#778630 Filing: 000119312519097880 The citation records this snapshot. The page link may show a newer release later.	−USD 54.31 million Calculation and evidence -54019933 − 287883 USD Exact free cash flow: -54307816 USD 2016-01-01 – 2016-12-31: -54019933 USD · Inspect Operating Cash Flow · Source 2016-01-01 – 2016-12-31: 287883 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · STEALTH BIOTHERAPEUTICS CORP · 2016-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Free cash flow: -54307816 USD Concept: free-cash-flow Period: 2016-01-01 to 2016-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -54019933 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000119312519097880/mito-20181231.xml#777217 Filing: 000119312519097880 Input fundies:CapitalExpenditure: 287883 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000119312519097880/mito-20181231.xml#778630 Filing: 000119312519097880 The citation records this snapshot. The page link may show a newer release later.
2017 2017-01-01 – 2017-12-31	−USD 82.91 million Exact value Exact value: -82910000 USD 2017-01-01 – 2017-12-31: -82910000 USD Inspect Net Income Open source Share or cite Citation for Net Income · STEALTH BIOTHERAPEUTICS CORP · 2017-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Net Income: -82910000 USD Concept: fundies:NetIncome Period: 2017-01-01 to 2017-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ANetIncome&period=2017-12-31&surface=latest&period_type=duration&start=2017-01-01&unit=USD&dimensions= Input fundies:NetIncome: -82910000 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459020054678/mito-20201118.xml#81922 Filing: 000156459020054678 The citation records this snapshot. The page link may show a newer release later.	−USD 69.84 million Exact value Exact value: -69835000 USD 2017-01-01 – 2017-12-31: -69835000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · STEALTH BIOTHERAPEUTICS CORP · 2017-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Operating Cash Flow: -69835000 USD Concept: fundies:OperatingCashFlow Period: 2017-01-01 to 2017-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3AOperatingCashFlow&period=2017-12-31&surface=latest&period_type=duration&start=2017-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -69835000 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459020014804/mito-20191231.xml#174964 Filing: 000156459020014804 The citation records this snapshot. The page link may show a newer release later.	USD 161,000 Exact value Exact value: 161000 USD 2017-01-01 – 2017-12-31: 161000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · STEALTH BIOTHERAPEUTICS CORP · 2017-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Capital Expenditure: 161000 USD Concept: fundies:CapitalExpenditure Period: 2017-01-01 to 2017-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ACapitalExpenditure&period=2017-12-31&surface=latest&period_type=duration&start=2017-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 161000 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459020014804/mito-20191231.xml#175593 Filing: 000156459020014804 The citation records this snapshot. The page link may show a newer release later.	−USD 70 million Calculation and evidence -69835000 − 161000 USD Exact free cash flow: -69996000 USD 2017-01-01 – 2017-12-31: -69835000 USD · Inspect Operating Cash Flow · Source 2017-01-01 – 2017-12-31: 161000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · STEALTH BIOTHERAPEUTICS CORP · 2017-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Free cash flow: -69996000 USD Concept: free-cash-flow Period: 2017-01-01 to 2017-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -69835000 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459020014804/mito-20191231.xml#174964 Filing: 000156459020014804 Input fundies:CapitalExpenditure: 161000 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459020014804/mito-20191231.xml#175593 Filing: 000156459020014804 The citation records this snapshot. The page link may show a newer release later.
2018 2018-01-01 – 2018-12-31	−USD 96.71 million Exact value Exact value: -96712000 USD 2018-01-01 – 2018-12-31: -96712000 USD Inspect Net Income Open source Share or cite Citation for Net Income · STEALTH BIOTHERAPEUTICS CORP · 2018-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Net Income: -96712000 USD Concept: fundies:NetIncome Period: 2018-01-01 to 2018-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ANetIncome&period=2018-12-31&surface=latest&period_type=duration&start=2018-01-01&unit=USD&dimensions= Input fundies:NetIncome: -96712000 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459021017843/mito-20201231.xml#168154 Filing: 000156459021017843 The citation records this snapshot. The page link may show a newer release later.	−USD 72.08 million Exact value Exact value: -72078000 USD 2018-01-01 – 2018-12-31: -72078000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · STEALTH BIOTHERAPEUTICS CORP · 2018-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Operating Cash Flow: -72078000 USD Concept: fundies:OperatingCashFlow Period: 2018-01-01 to 2018-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3AOperatingCashFlow&period=2018-12-31&surface=latest&period_type=duration&start=2018-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -72078000 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459021017843/mito-20201231.xml#193398 Filing: 000156459021017843 The citation records this snapshot. The page link may show a newer release later.	USD 12,000 Exact value Exact value: 12000 USD 2018-01-01 – 2018-12-31: 12000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · STEALTH BIOTHERAPEUTICS CORP · 2018-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Capital Expenditure: 12000 USD Concept: fundies:CapitalExpenditure Period: 2018-01-01 to 2018-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ACapitalExpenditure&period=2018-12-31&surface=latest&period_type=duration&start=2018-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 12000 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459021017843/mito-20201231.xml#194027 Filing: 000156459021017843 The citation records this snapshot. The page link may show a newer release later.	−USD 72.09 million Calculation and evidence -72078000 − 12000 USD Exact free cash flow: -72090000 USD 2018-01-01 – 2018-12-31: -72078000 USD · Inspect Operating Cash Flow · Source 2018-01-01 – 2018-12-31: 12000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · STEALTH BIOTHERAPEUTICS CORP · 2018-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Free cash flow: -72090000 USD Concept: free-cash-flow Period: 2018-01-01 to 2018-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -72078000 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459021017843/mito-20201231.xml#193398 Filing: 000156459021017843 Input fundies:CapitalExpenditure: 12000 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000156459021017843/mito-20201231.xml#194027 Filing: 000156459021017843 The citation records this snapshot. The page link may show a newer release later.
2019 2019-01-01 – 2019-12-31	−USD 71.73 million Exact value Exact value: -71728000 USD 2019-01-01 – 2019-12-31: -71728000 USD Inspect Net Income Open source Share or cite Citation for Net Income · STEALTH BIOTHERAPEUTICS CORP · 2019-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Net Income: -71728000 USD Concept: fundies:NetIncome Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ANetIncome&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:NetIncome: -71728000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#4451737 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	−USD 47.98 million Exact value Exact value: -47984000 USD 2019-01-01 – 2019-12-31: -47984000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · STEALTH BIOTHERAPEUTICS CORP · 2019-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Operating Cash Flow: -47984000 USD Concept: fundies:OperatingCashFlow Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3AOperatingCashFlow&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -47984000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3295304 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	USD 130,000 Exact value Exact value: 130000 USD 2019-01-01 – 2019-12-31: 130000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · STEALTH BIOTHERAPEUTICS CORP · 2019-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Capital Expenditure: 130000 USD Concept: fundies:CapitalExpenditure Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ACapitalExpenditure&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 130000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3305521 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	−USD 48.11 million Calculation and evidence -47984000 − 130000 USD Exact free cash flow: -48114000 USD 2019-01-01 – 2019-12-31: -47984000 USD · Inspect Operating Cash Flow · Source 2019-01-01 – 2019-12-31: 130000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · STEALTH BIOTHERAPEUTICS CORP · 2019-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Free cash flow: -48114000 USD Concept: free-cash-flow Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -47984000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3295304 Filing: 000095017022005474 Input fundies:CapitalExpenditure: 130000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3305521 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.
2020 2020-01-01 – 2020-12-31	−USD 57.46 million Exact value Exact value: -57457000 USD 2020-01-01 – 2020-12-31: -57457000 USD Inspect Net Income Open source Share or cite Citation for Net Income · STEALTH BIOTHERAPEUTICS CORP · 2020-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Net Income: -57457000 USD Concept: fundies:NetIncome Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ANetIncome&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:NetIncome: -57457000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#4449519 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	−USD 53.54 million Exact value Exact value: -53539000 USD 2020-01-01 – 2020-12-31: -53539000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · STEALTH BIOTHERAPEUTICS CORP · 2020-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Operating Cash Flow: -53539000 USD Concept: fundies:OperatingCashFlow Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3AOperatingCashFlow&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -53539000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3293169 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	USD 35,000 Exact value Exact value: 35000 USD 2020-01-01 – 2020-12-31: 35000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · STEALTH BIOTHERAPEUTICS CORP · 2020-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Capital Expenditure: 35000 USD Concept: fundies:CapitalExpenditure Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ACapitalExpenditure&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 35000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3303534 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	−USD 53.57 million Calculation and evidence -53539000 − 35000 USD Exact free cash flow: -53574000 USD 2020-01-01 – 2020-12-31: -53539000 USD · Inspect Operating Cash Flow · Source 2020-01-01 – 2020-12-31: 35000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · STEALTH BIOTHERAPEUTICS CORP · 2020-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Free cash flow: -53574000 USD Concept: free-cash-flow Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -53539000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3293169 Filing: 000095017022005474 Input fundies:CapitalExpenditure: 35000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3303534 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.
2021 2021-01-01 – 2021-12-31	−USD 52.53 million Exact value Exact value: -52527000 USD 2021-01-01 – 2021-12-31: -52527000 USD Inspect Net Income Open source Share or cite Citation for Net Income · STEALTH BIOTHERAPEUTICS CORP · 2021-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Net Income: -52527000 USD Concept: fundies:NetIncome Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ANetIncome&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:NetIncome: -52527000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#4447301 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	−USD 44.97 million Exact value Exact value: -44971000 USD 2021-01-01 – 2021-12-31: -44971000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · STEALTH BIOTHERAPEUTICS CORP · 2021-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Operating Cash Flow: -44971000 USD Concept: fundies:OperatingCashFlow Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3AOperatingCashFlow&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -44971000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3291034 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	USD 67,000 Exact value Exact value: 67000 USD 2021-01-01 – 2021-12-31: 67000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · STEALTH BIOTHERAPEUTICS CORP · 2021-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Capital Expenditure: 67000 USD Concept: fundies:CapitalExpenditure Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396/explain?concept=fundies%3ACapitalExpenditure&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 67000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3301547 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.	−USD 45.04 million Calculation and evidence -44971000 − 67000 USD Exact free cash flow: -45038000 USD 2021-01-01 – 2021-12-31: -44971000 USD · Inspect Operating Cash Flow · Source 2021-01-01 – 2021-12-31: 67000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · STEALTH BIOTHERAPEUTICS CORP · 2021-12-31 STEALTH BIOTHERAPEUTICS CORP (edgar:1696396) Free cash flow: -45038000 USD Concept: free-cash-flow Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T14:00:59Z Snapshot: c903f7123948bfda07ba981b7eb9131608ee9c9ae13be6176673794811b76810 Dimensions: Consolidated View: https://fundies.io/companies/edgar/1696396?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -44971000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3291034 Filing: 000095017022005474 Input fundies:CapitalExpenditure: 67000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1696396/000095017022005474/mito-20211231.htm#3301547 Filing: 000095017022005474 The citation records this snapshot. The page link may show a newer release later.

Capital expenditure uses the canonical mapped positive-spending convention. A missing, ambiguous, incompatible, or negative-sign input is left blank. Values use the latest reported version.

Dataset coverage and company identifiers

Coverage reflects filings processed into this Fundies dataset; it does not imply every source filing is loaded.

52 filings · 327 latest values · 327 originally reported values

Dataset published 2026-11-02. Source filing dates and reporting periods are shown separately.

Identifiers: 0001696396, 1696396, MITO, edgar:1696396

Also known as STEALTH BIOTHERAPEUTICS CORP, Stealth BioTherapeutics Corp

STEALTH BIOTHERAPEUTICS CORP

Latest fiscal year

Revenue

Operating margin

Operating cash flow

Free cash flow

Reported share-count change

Company performance

What changed year over year

Net income

Operating cash flow

Capital expenditure

Where revenue goes

2019 2019-01-01 – 2019-12-31

Cash

Share of revenue by period

Growth

Profit and cash

Balance sheet

Cash generation