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ANNEXON, INC.

EDGAR

ANNX Quarterly report (10-Q) · filed 2026-08-12

41 filing records in this dataset, filed from 2020-07-02 to 2026-08-12. Reported financial figures are available; chart coverage varies by period.

Inspect reported changes Compare with another company Historical disclosures Search filings Segments

Watchlist

Cash and cash equivalents: 199 million USD 2026-06-30 Source
Exact value

199270000 USD
Long-term debt including current maturities: Not available
Shares outstanding: 149 million shares 2025-12-31 Source
Exact value

149362800 shares

Reported share-count change

36.55% · 40 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

109381556 shares · 2024-12-31· Source
149362800 shares · 2025-12-31· Source

Trailing twelve months

The four most recent complete quarters added together. This gives a full-year view that includes the latest quarterly results.

Net income

-203 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Net income: -54922000 USD · 2025-07-01 – 2025-09-30 Source
Net income: -206690000 USD · 2025-01-01 – 2025-12-31 Source
Net income: -158434000 USD · 2025-01-01 – 2025-09-30 Source
Net income: -44142000 USD · 2026-01-01 – 2026-03-31 Source
Net income: -55348000 USD · 2026-04-01 – 2026-06-30 Source

Operating cash flow

-193 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Operating cash flow: -140430000 USD · 2025-01-01 – 2025-09-30 Source
Operating cash flow: -88126000 USD · 2025-01-01 – 2025-06-30 Source
Operating cash flow: -186356000 USD · 2025-01-01 – 2025-12-31 Source
Operating cash flow: -140430000 USD · 2025-01-01 – 2025-09-30 Source
Operating cash flow: -46796000 USD · 2026-01-01 – 2026-03-31 Source
Operating cash flow: -94803000 USD · 2026-01-01 – 2026-06-30 Source
Operating cash flow: -46796000 USD · 2026-01-01 – 2026-03-31 Source

Capital expenditure

185 thousand USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Capital expenditure: 137000 USD · 2025-01-01 – 2025-09-30 Source
Capital expenditure: 89000 USD · 2025-01-01 – 2025-06-30 Source
Capital expenditure: 137000 USD · 2025-01-01 – 2025-12-31 Source
Capital expenditure: 137000 USD · 2025-01-01 – 2025-09-30 Source
Capital expenditure: 0 USD · 2026-01-01 – 2026-03-31 Source
Capital expenditure: 137000 USD · 2026-01-01 – 2026-06-30 Source
Capital expenditure: 0 USD · 2026-01-01 – 2026-03-31 Source

Free cash flow

-193 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Operating cash flow: -140430000 USD · 2025-01-01 – 2025-09-30 Source
Operating cash flow: -88126000 USD · 2025-01-01 – 2025-06-30 Source
Operating cash flow: -186356000 USD · 2025-01-01 – 2025-12-31 Source
Operating cash flow: -140430000 USD · 2025-01-01 – 2025-09-30 Source
Operating cash flow: -46796000 USD · 2026-01-01 – 2026-03-31 Source
Operating cash flow: -94803000 USD · 2026-01-01 – 2026-06-30 Source
Operating cash flow: -46796000 USD · 2026-01-01 – 2026-03-31 Source
Capital expenditure: 137000 USD · 2025-01-01 – 2025-09-30 Source
Capital expenditure: 89000 USD · 2025-01-01 – 2025-06-30 Source
Capital expenditure: 137000 USD · 2025-01-01 – 2025-12-31 Source
Capital expenditure: 137000 USD · 2025-01-01 – 2025-09-30 Source
Capital expenditure: 0 USD · 2026-01-01 – 2026-03-31 Source
Capital expenditure: 137000 USD · 2026-01-01 – 2026-06-30 Source
Capital expenditure: 0 USD · 2026-01-01 – 2026-03-31 Source

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

Latest filing recorded: 2026-08-12.

Financial data available through: 2025-12-31.

Coverage by financial measure

revenue: No compatible figures in this window
Operating income: 7 of 11 periods available· newest 2025-12-31
Net income: 7 of 11 periods available· newest 2025-12-31
Operating cash flow: 7 of 11 periods available· newest 2025-12-31
Capital expenditure: 7 of 11 periods available· newest 2025-12-31
Total assets: 7 of 11 periods available· newest 2025-12-31
Total liabilities: 7 of 11 periods available· newest 2025-12-31
Current assets: 7 of 11 periods available· newest 2025-12-31
Current liabilities: 7 of 11 periods available· newest 2025-12-31
Cash and cash equivalents: 7 of 11 periods available· newest 2025-12-31
long term debt: No compatible figures in this window
Shares outstanding: 7 of 11 periods available· newest 2025-12-31

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 68.49 million

Prior period

−USD 138.2 million

2024-01-01 – 2024-12-31
Current period

−USD 206.69 million

2025-01-01 – 2025-12-31

Exact inputs and evidence

-206690000 − -138200000 = -68490000 USD

-138200000 USD · 2024-01-01 – 2024-12-31
Inspect prior input Prior source
-206690000 USD · 2025-01-01 – 2025-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Net income · ANNEXON, INC. · 2025-12-31 ANNEXON, INC. (edgar:1528115) Year-over-year change in Net income: -68490000 USD Concept: fundies:NetIncome Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:NetIncome: -206690000 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#2856396 Filing: 000119312526131782 Input fundies:NetIncome: -138200000 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#2858254 Filing: 000119312526131782
The citation records this snapshot. The page link may show a newer release later.
Operating cash flow
−USD 68.35 million

Prior period

−USD 118.01 million

2024-01-01 – 2024-12-31
Current period

−USD 186.36 million

2025-01-01 – 2025-12-31

Exact inputs and evidence

-186356000 − -118006000 = -68350000 USD

-118006000 USD · 2024-01-01 – 2024-12-31
Inspect prior input Prior source
-186356000 USD · 2025-01-01 – 2025-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Operating cash flow · ANNEXON, INC. · 2025-12-31 ANNEXON, INC. (edgar:1528115) Year-over-year change in Operating cash flow: -68350000 USD Concept: fundies:OperatingCashFlow Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:OperatingCashFlow: -186356000 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1818518 Filing: 000119312526131782 Input fundies:OperatingCashFlow: -118006000 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1820399 Filing: 000119312526131782
The citation records this snapshot. The page link may show a newer release later.
Capital expenditure
+813.3%

Prior period

USD 15,000

2024-01-01 – 2024-12-31
Current period

USD 137,000

2025-01-01 – 2025-12-31

Exact inputs and evidence

137000 − 15000 = 122000 USD

15000 USD · 2024-01-01 – 2024-12-31
Inspect prior input Prior source
137000 USD · 2025-01-01 – 2025-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Capital expenditure · ANNEXON, INC. · 2025-12-31 ANNEXON, INC. (edgar:1528115) Year-over-year change in Capital expenditure: 122000 USD Concept: fundies:CapitalExpenditure Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:CapitalExpenditure: 137000 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1825235 Filing: 000119312526131782 Input fundies:CapitalExpenditure: 15000 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1826999 Filing: 000119312526131782
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.

Revenue is not reported for this company, so its costs cannot be shown as a share of it.

Growth

Sales over time and how quickly they are changing.

Revenue

Revenue reported for each complete financial period.

Not enough comparable data to show this history.

Values and sources

Revenue values and source evidence
Period	Series	Value	Source evidence

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

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.

Not enough comparable data to show this history.

Operating margin
Net margin
Free cash flow margin

Values and sources

Profit margins values and source evidence
Period	Series	Value	Source evidence

Operating cash flow

Cash generated by the company’s normal business operations.

Not enough comparable data to show this history.

Values and sources

Operating cash flow values and source evidence
Period	Series	Value	Source evidence

Free cash flow

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

Not enough comparable data to show this history.

Values and sources

Free cash flow values and source evidence
Period	Series	Value(USD)	Source evidence

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.

Not enough comparable data to show this history.

Values and sources

Liabilities to assets values and source evidence
Period	Series	Value	Source evidence

Current assets to current liabilities

Current assets divided by current liabilities.

Not enough comparable data to show this history.

Values and sources

Current assets to current liabilities values and source evidence
Period	Series	Value	Source evidence

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
2019 2019-01-01 – 2019-12-31	−USD 37.18 million Exact value Exact value: -37183000 USD 2019-01-01 – 2019-12-31: -37183000 USD Inspect Net Income Open source Share or cite Citation for Net Income · ANNEXON, INC. · 2019-12-31 ANNEXON, INC. (edgar:1528115) Net Income: -37183000 USD Concept: fundies:NetIncome Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ANetIncome&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:NetIncome: -37183000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459021015262/annx-20201231.xml#87551 Filing: 000156459021015262 The citation records this snapshot. The page link may show a newer release later.	−USD 28.36 million Exact value Exact value: -28358000 USD 2019-01-01 – 2019-12-31: -28358000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · ANNEXON, INC. · 2019-12-31 ANNEXON, INC. (edgar:1528115) Operating Cash Flow: -28358000 USD Concept: fundies:OperatingCashFlow Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3AOperatingCashFlow&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -28358000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459021015262/annx-20201231.xml#112214 Filing: 000156459021015262 The citation records this snapshot. The page link may show a newer release later.	USD 267,000 Exact value Exact value: 267000 USD 2019-01-01 – 2019-12-31: 267000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · ANNEXON, INC. · 2019-12-31 ANNEXON, INC. (edgar:1528115) Capital Expenditure: 267000 USD Concept: fundies:CapitalExpenditure Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ACapitalExpenditure&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 267000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459021015262/annx-20201231.xml#112635 Filing: 000156459021015262 The citation records this snapshot. The page link may show a newer release later.	−USD 28.63 million Calculation and evidence -28358000 − 267000 USD Exact free cash flow: -28625000 USD 2019-01-01 – 2019-12-31: -28358000 USD · Inspect Operating Cash Flow · Source 2019-01-01 – 2019-12-31: 267000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · ANNEXON, INC. · 2019-12-31 ANNEXON, INC. (edgar:1528115) Free cash flow: -28625000 USD Concept: free-cash-flow Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -28358000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459021015262/annx-20201231.xml#112214 Filing: 000156459021015262 Input fundies:CapitalExpenditure: 267000 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459021015262/annx-20201231.xml#112635 Filing: 000156459021015262 The citation records this snapshot. The page link may show a newer release later.
2020 2020-01-01 – 2020-12-31	−USD 63.41 million Exact value Exact value: -63412000 USD 2020-01-01 – 2020-12-31: -63412000 USD Inspect Net Income Open source Share or cite Citation for Net Income · ANNEXON, INC. · 2020-12-31 ANNEXON, INC. (edgar:1528115) Net Income: -63412000 USD Concept: fundies:NetIncome Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ANetIncome&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:NetIncome: -63412000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459022008044/annx-10k_20211231.htm#2531211 Filing: 000156459022008044 The citation records this snapshot. The page link may show a newer release later.	−USD 53.09 million Exact value Exact value: -53087000 USD 2020-01-01 – 2020-12-31: -53087000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · ANNEXON, INC. · 2020-12-31 ANNEXON, INC. (edgar:1528115) Operating Cash Flow: -53087000 USD Concept: fundies:OperatingCashFlow Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3AOperatingCashFlow&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -53087000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459022008044/annx-10k_20211231.htm#2585267 Filing: 000156459022008044 The citation records this snapshot. The page link may show a newer release later.	USD 464,000 Exact value Exact value: 464000 USD 2020-01-01 – 2020-12-31: 464000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · ANNEXON, INC. · 2020-12-31 ANNEXON, INC. (edgar:1528115) Capital Expenditure: 464000 USD Concept: fundies:CapitalExpenditure Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ACapitalExpenditure&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 464000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459022008044/annx-10k_20211231.htm#2592901 Filing: 000156459022008044 The citation records this snapshot. The page link may show a newer release later.	−USD 53.55 million Calculation and evidence -53087000 − 464000 USD Exact free cash flow: -53551000 USD 2020-01-01 – 2020-12-31: -53087000 USD · Inspect Operating Cash Flow · Source 2020-01-01 – 2020-12-31: 464000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · ANNEXON, INC. · 2020-12-31 ANNEXON, INC. (edgar:1528115) Free cash flow: -53551000 USD Concept: free-cash-flow Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -53087000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459022008044/annx-10k_20211231.htm#2585267 Filing: 000156459022008044 Input fundies:CapitalExpenditure: 464000 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000156459022008044/annx-10k_20211231.htm#2592901 Filing: 000156459022008044 The citation records this snapshot. The page link may show a newer release later.
2021 2021-01-01 – 2021-12-31	−USD 130.32 million Exact value Exact value: -130323000 USD 2021-01-01 – 2021-12-31: -130323000 USD Inspect Net Income Open source Share or cite Citation for Net Income · ANNEXON, INC. · 2021-12-31 ANNEXON, INC. (edgar:1528115) Net Income: -130323000 USD Concept: fundies:NetIncome Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ANetIncome&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:NetIncome: -130323000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017023006232/annx-20221231.htm#1951486 Filing: 000095017023006232 The citation records this snapshot. The page link may show a newer release later.	−USD 106.11 million Exact value Exact value: -106110000 USD 2021-01-01 – 2021-12-31: -106110000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · ANNEXON, INC. · 2021-12-31 ANNEXON, INC. (edgar:1528115) Operating Cash Flow: -106110000 USD Concept: fundies:OperatingCashFlow Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3AOperatingCashFlow&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -106110000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017023006232/annx-20221231.htm#2003496 Filing: 000095017023006232 The citation records this snapshot. The page link may show a newer release later.	USD 1.65 million Exact value Exact value: 1654000 USD 2021-01-01 – 2021-12-31: 1654000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · ANNEXON, INC. · 2021-12-31 ANNEXON, INC. (edgar:1528115) Capital Expenditure: 1654000 USD Concept: fundies:CapitalExpenditure Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ACapitalExpenditure&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 1654000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017023006232/annx-20221231.htm#2011436 Filing: 000095017023006232 The citation records this snapshot. The page link may show a newer release later.	−USD 107.76 million Calculation and evidence -106110000 − 1654000 USD Exact free cash flow: -107764000 USD 2021-01-01 – 2021-12-31: -106110000 USD · Inspect Operating Cash Flow · Source 2021-01-01 – 2021-12-31: 1654000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · ANNEXON, INC. · 2021-12-31 ANNEXON, INC. (edgar:1528115) Free cash flow: -107764000 USD Concept: free-cash-flow Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -106110000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017023006232/annx-20221231.htm#2003496 Filing: 000095017023006232 Input fundies:CapitalExpenditure: 1654000 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017023006232/annx-20221231.htm#2011436 Filing: 000095017023006232 The citation records this snapshot. The page link may show a newer release later.
2022 2022-01-01 – 2022-12-31	−USD 141.95 million Exact value Exact value: -141947000 USD 2022-01-01 – 2022-12-31: -141947000 USD Inspect Net Income Open source Share or cite Citation for Net Income · ANNEXON, INC. · 2022-12-31 ANNEXON, INC. (edgar:1528115) Net Income: -141947000 USD Concept: fundies:NetIncome Period: 2022-01-01 to 2022-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ANetIncome&period=2022-12-31&surface=latest&period_type=duration&start=2022-01-01&unit=USD&dimensions= Input fundies:NetIncome: -141947000 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017024036408/annx-20231231.htm#1445410 Filing: 000095017024036408 The citation records this snapshot. The page link may show a newer release later.	−USD 116.31 million Exact value Exact value: -116309000 USD 2022-01-01 – 2022-12-31: -116309000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · ANNEXON, INC. · 2022-12-31 ANNEXON, INC. (edgar:1528115) Operating Cash Flow: -116309000 USD Concept: fundies:OperatingCashFlow Period: 2022-01-01 to 2022-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3AOperatingCashFlow&period=2022-12-31&surface=latest&period_type=duration&start=2022-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -116309000 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017024036408/annx-20231231.htm#1478947 Filing: 000095017024036408 The citation records this snapshot. The page link may show a newer release later.	USD 6.53 million Exact value Exact value: 6526000 USD 2022-01-01 – 2022-12-31: 6526000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · ANNEXON, INC. · 2022-12-31 ANNEXON, INC. (edgar:1528115) Capital Expenditure: 6526000 USD Concept: fundies:CapitalExpenditure Period: 2022-01-01 to 2022-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ACapitalExpenditure&period=2022-12-31&surface=latest&period_type=duration&start=2022-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 6526000 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017024036408/annx-20231231.htm#1483825 Filing: 000095017024036408 The citation records this snapshot. The page link may show a newer release later.	−USD 122.84 million Calculation and evidence -116309000 − 6526000 USD Exact free cash flow: -122835000 USD 2022-01-01 – 2022-12-31: -116309000 USD · Inspect Operating Cash Flow · Source 2022-01-01 – 2022-12-31: 6526000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · ANNEXON, INC. · 2022-12-31 ANNEXON, INC. (edgar:1528115) Free cash flow: -122835000 USD Concept: free-cash-flow Period: 2022-01-01 to 2022-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -116309000 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017024036408/annx-20231231.htm#1478947 Filing: 000095017024036408 Input fundies:CapitalExpenditure: 6526000 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017024036408/annx-20231231.htm#1483825 Filing: 000095017024036408 The citation records this snapshot. The page link may show a newer release later.
2023 2023-01-01 – 2023-12-31	−USD 134.24 million Exact value Exact value: -134237000 USD 2023-01-01 – 2023-12-31: -134237000 USD Inspect Net Income Open source Share or cite Citation for Net Income · ANNEXON, INC. · 2023-12-31 ANNEXON, INC. (edgar:1528115) Net Income: -134237000 USD Concept: fundies:NetIncome Period: 2023-01-01 to 2023-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ANetIncome&period=2023-12-31&surface=latest&period_type=duration&start=2023-01-01&unit=USD&dimensions= Input fundies:NetIncome: -134237000 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017025030849/annx-20241231.htm#2616136 Filing: 000095017025030849 The citation records this snapshot. The page link may show a newer release later.	−USD 121.14 million Exact value Exact value: -121142000 USD 2023-01-01 – 2023-12-31: -121142000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · ANNEXON, INC. · 2023-12-31 ANNEXON, INC. (edgar:1528115) Operating Cash Flow: -121142000 USD Concept: fundies:OperatingCashFlow Period: 2023-01-01 to 2023-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3AOperatingCashFlow&period=2023-12-31&surface=latest&period_type=duration&start=2023-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -121142000 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017025030849/annx-20241231.htm#1734685 Filing: 000095017025030849 The citation records this snapshot. The page link may show a newer release later.	USD 193,000 Exact value Exact value: 193000 USD 2023-01-01 – 2023-12-31: 193000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · ANNEXON, INC. · 2023-12-31 ANNEXON, INC. (edgar:1528115) Capital Expenditure: 193000 USD Concept: fundies:CapitalExpenditure Period: 2023-01-01 to 2023-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ACapitalExpenditure&period=2023-12-31&surface=latest&period_type=duration&start=2023-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 193000 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017025030849/annx-20241231.htm#1740446 Filing: 000095017025030849 The citation records this snapshot. The page link may show a newer release later.	−USD 121.34 million Calculation and evidence -121142000 − 193000 USD Exact free cash flow: -121335000 USD 2023-01-01 – 2023-12-31: -121142000 USD · Inspect Operating Cash Flow · Source 2023-01-01 – 2023-12-31: 193000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · ANNEXON, INC. · 2023-12-31 ANNEXON, INC. (edgar:1528115) Free cash flow: -121335000 USD Concept: free-cash-flow Period: 2023-01-01 to 2023-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -121142000 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017025030849/annx-20241231.htm#1734685 Filing: 000095017025030849 Input fundies:CapitalExpenditure: 193000 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000095017025030849/annx-20241231.htm#1740446 Filing: 000095017025030849 The citation records this snapshot. The page link may show a newer release later.
2024 2024-01-01 – 2024-12-31	−USD 138.2 million Exact value Exact value: -138200000 USD 2024-01-01 – 2024-12-31: -138200000 USD Inspect Net Income Open source Share or cite Citation for Net Income · ANNEXON, INC. · 2024-12-31 ANNEXON, INC. (edgar:1528115) Net Income: -138200000 USD Concept: fundies:NetIncome Period: 2024-01-01 to 2024-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ANetIncome&period=2024-12-31&surface=latest&period_type=duration&start=2024-01-01&unit=USD&dimensions= Input fundies:NetIncome: -138200000 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#2858254 Filing: 000119312526131782 The citation records this snapshot. The page link may show a newer release later.	−USD 118.01 million Exact value Exact value: -118006000 USD 2024-01-01 – 2024-12-31: -118006000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · ANNEXON, INC. · 2024-12-31 ANNEXON, INC. (edgar:1528115) Operating Cash Flow: -118006000 USD Concept: fundies:OperatingCashFlow Period: 2024-01-01 to 2024-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3AOperatingCashFlow&period=2024-12-31&surface=latest&period_type=duration&start=2024-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -118006000 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1820399 Filing: 000119312526131782 The citation records this snapshot. The page link may show a newer release later.	USD 15,000 Exact value Exact value: 15000 USD 2024-01-01 – 2024-12-31: 15000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · ANNEXON, INC. · 2024-12-31 ANNEXON, INC. (edgar:1528115) Capital Expenditure: 15000 USD Concept: fundies:CapitalExpenditure Period: 2024-01-01 to 2024-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ACapitalExpenditure&period=2024-12-31&surface=latest&period_type=duration&start=2024-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 15000 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1826999 Filing: 000119312526131782 The citation records this snapshot. The page link may show a newer release later.	−USD 118.02 million Calculation and evidence -118006000 − 15000 USD Exact free cash flow: -118021000 USD 2024-01-01 – 2024-12-31: -118006000 USD · Inspect Operating Cash Flow · Source 2024-01-01 – 2024-12-31: 15000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · ANNEXON, INC. · 2024-12-31 ANNEXON, INC. (edgar:1528115) Free cash flow: -118021000 USD Concept: free-cash-flow Period: 2024-01-01 to 2024-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -118006000 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1820399 Filing: 000119312526131782 Input fundies:CapitalExpenditure: 15000 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1826999 Filing: 000119312526131782 The citation records this snapshot. The page link may show a newer release later.
2025 2025-01-01 – 2025-12-31	−USD 206.69 million Exact value Exact value: -206690000 USD 2025-01-01 – 2025-12-31: -206690000 USD Inspect Net Income Open source Share or cite Citation for Net Income · ANNEXON, INC. · 2025-12-31 ANNEXON, INC. (edgar:1528115) Net Income: -206690000 USD Concept: fundies:NetIncome Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ANetIncome&period=2025-12-31&surface=latest&period_type=duration&start=2025-01-01&unit=USD&dimensions= Input fundies:NetIncome: -206690000 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#2856396 Filing: 000119312526131782 The citation records this snapshot. The page link may show a newer release later.	−USD 186.36 million Exact value Exact value: -186356000 USD 2025-01-01 – 2025-12-31: -186356000 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · ANNEXON, INC. · 2025-12-31 ANNEXON, INC. (edgar:1528115) Operating Cash Flow: -186356000 USD Concept: fundies:OperatingCashFlow Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3AOperatingCashFlow&period=2025-12-31&surface=latest&period_type=duration&start=2025-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -186356000 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1818518 Filing: 000119312526131782 The citation records this snapshot. The page link may show a newer release later.	USD 137,000 Exact value Exact value: 137000 USD 2025-01-01 – 2025-12-31: 137000 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · ANNEXON, INC. · 2025-12-31 ANNEXON, INC. (edgar:1528115) Capital Expenditure: 137000 USD Concept: fundies:CapitalExpenditure Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115/explain?concept=fundies%3ACapitalExpenditure&period=2025-12-31&surface=latest&period_type=duration&start=2025-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 137000 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1825235 Filing: 000119312526131782 The citation records this snapshot. The page link may show a newer release later.	−USD 186.49 million Calculation and evidence -186356000 − 137000 USD Exact free cash flow: -186493000 USD 2025-01-01 – 2025-12-31: -186356000 USD · Inspect Operating Cash Flow · Source 2025-01-01 – 2025-12-31: 137000 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · ANNEXON, INC. · 2025-12-31 ANNEXON, INC. (edgar:1528115) Free cash flow: -186493000 USD Concept: free-cash-flow Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T23:23:14Z Snapshot: ca0e640291d283e31cd085dc5f031d4808aa3fcec275282fa6d28a8b9cdc6dad Dimensions: Consolidated View: https://fundies.io/companies/edgar/1528115?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -186356000 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1818518 Filing: 000119312526131782 Input fundies:CapitalExpenditure: 137000 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/1528115/000119312526131782/annx-20251231.htm#1825235 Filing: 000119312526131782 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.

41 filings · 1,476 latest values · 1,476 originally reported values

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

Identifiers: 0001528115, 1528115, ANNX, edgar:1528115

Also known as ANNEXON, INC., Annexon, Inc.

ANNEXON, INC.

Reported share-count change

Trailing twelve months

Net income

Operating cash flow

Capital expenditure

Free cash flow

Company performance

What changed year over year

Net income

Operating cash flow

Capital expenditure

Where revenue goes

Growth

Profit and cash

Balance sheet

Cash generation