{
  "cik": 1664710,
  "cik_padded": "0001664710",
  "entityName": "Keros Therapeutics, Inc.",
  "fiscal_years": [
    {
      "accn": "0001664710-26-000018",
      "filed": "2026-03-04",
      "fiscal_year": 2025,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 375000000.0,
        "capex": 1551000.0,
        "cash": 287415000.0,
        "eps_diluted": 2.3,
        "free_cash_flow": 105954000.0,
        "net_income": 87014000.0,
        "operating_cash_flow": 107505000.0,
        "operating_income": 67569000.0,
        "revenue": 243864000.0,
        "stockholders_equity": 303132000.0,
        "total_assets": 338021000.0,
        "total_liabilities": 34889000.0
      },
      "period_end": "2025-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.11509507409313434,
        "net_margin": 0.3568136338286914,
        "operating_margin": 0.2770765672670013,
        "roa_avg2y": 0.1824370719577485,
        "roa_period_end": 0.25742187615562345,
        "roe_avg2y": 0.19896076873388704,
        "roe_period_end": 0.2870498660649486
      }
    },
    {
      "accn": "0001664710-26-000018",
      "filed": "2026-03-04",
      "fiscal_year": 2024,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 0.0,
        "capex": 1931000.0,
        "cash": 559931000.0,
        "eps_diluted": -5.0,
        "free_cash_flow": -162800000.0,
        "net_income": -187353000.0,
        "operating_cash_flow": -160869000.0,
        "operating_income": -210833000.0,
        "stockholders_equity": 571553000.0,
        "total_assets": 615886000.0,
        "total_liabilities": 44333000.0
      },
      "period_end": "2024-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.0775658600339776,
        "roa_avg2y": -0.38006067484793254,
        "roa_period_end": -0.30420077741659984,
        "roe_avg2y": -0.4146051079593612,
        "roe_period_end": -0.327796372339923
      }
    },
    {
      "accn": "0001664710-26-000018",
      "filed": "2026-03-04",
      "fiscal_year": 2023,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 2464000.0,
        "cash": 331147000.0,
        "eps_diluted": -5.2,
        "free_cash_flow": -126972000.0,
        "net_income": -152992000.0,
        "operating_cash_flow": -124508000.0,
        "operating_income": -169941000.0,
        "stockholders_equity": 332213000.0,
        "total_assets": 370025000.0,
        "total_liabilities": 37812000.0
      },
      "period_end": "2023-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.11381854412681021,
        "roa_avg2y": -0.4521000109337092,
        "roa_period_end": -0.41346395513816636,
        "roe_avg2y": -0.501912616708987,
        "roe_period_end": -0.46052382056090513
      }
    },
    {
      "accn": "0001664710-25-000018",
      "filed": "2025-02-26",
      "fiscal_year": 2022,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 1241000.0,
        "cash": 279048000.0,
        "eps_diluted": -4.15,
        "free_cash_flow": -71303000.0,
        "net_income": -104679000.0,
        "operating_cash_flow": -70062000.0,
        "operating_income": -114790000.0,
        "stockholders_equity": 277423000.0,
        "total_assets": 306781000.0,
        "total_liabilities": 29358000.0
      },
      "period_end": "2022-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.1058239583596169,
        "roa_avg2y": -0.37250192159877016,
        "roa_period_end": -0.34121735048780727,
        "roe_avg2y": -0.4021498395111766,
        "roe_period_end": -0.3773263211774078
      }
    },
    {
      "accn": "0001664710-25-000018",
      "filed": "2025-02-26",
      "fiscal_year": 2021,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 1024000.0,
        "cash": 230042000.0,
        "eps_diluted": -2.52,
        "free_cash_flow": -63172000.0,
        "net_income": -58744000.0,
        "operating_cash_flow": -62148000.0,
        "operating_income": -56373000.0,
        "stockholders_equity": 243174000.0,
        "total_assets": 255251000.0,
        "total_liabilities": 12077000.0
      },
      "period_end": "2021-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.04966402658178917,
        "roa_avg2y": -0.22391717839350173,
        "roa_period_end": -0.23014209542763792,
        "roe_avg2y": -0.23269788767961655,
        "roe_period_end": -0.24157187857254475
      }
    },
    {
      "accn": "0001664710-24-000017",
      "filed": "2024-02-28",
      "fiscal_year": 2020,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 294000.0,
        "cash": 265876000.0,
        "eps_diluted": -2.93,
        "free_cash_flow": -37188000.0,
        "net_income": -45361000.0,
        "operating_cash_flow": -36894000.0,
        "operating_income": -46657000.0,
        "stockholders_equity": 261721000.0,
        "total_assets": 269443000.0,
        "total_liabilities": 7722000.0
      },
      "period_end": "2020-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.029504701571520818,
        "roa_avg2y": -0.3235472435609384,
        "roa_period_end": -0.16835100559301966,
        "roe_avg2y": -0.37445877618408835,
        "roe_period_end": -0.17331815177230714
      }
    },
    {
      "accn": "0001664710-22-000011",
      "filed": "2022-03-09",
      "fiscal_year": 2019,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 271000.0,
        "cash": 7020000.0,
        "free_cash_flow": -16269000.0,
        "net_income": -12336000.0,
        "operating_cash_flow": -15998000.0,
        "operating_income": -10563000.0,
        "stockholders_equity": -19446000.0,
        "total_assets": 10955000.0,
        "total_liabilities": 10460000.0
      },
      "period_end": "2019-12-31",
      "ratio_units": {
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio"
      },
      "ratios": {
        "roa_period_end": -1.1260611592879963,
        "roe_avg2y": 0.9265086935296106
      }
    },
    {
      "accn": "0001664710-21-000018",
      "filed": "2021-03-25",
      "fiscal_year": 2018,
      "form": "10-K",
      "fundamental_units": {
        "stockholders_equity": "USD"
      },
      "fundamentals": {
        "stockholders_equity": -7183000.0
      },
      "period_end": "2018-12-31",
      "ratios": {}
    }
  ],
  "latest_filing": {
    "accn": "0001664710-26-000018",
    "filed": "2026-03-04",
    "form": "10-K"
  },
  "note": "Static grepcent export of verified SEC companyfacts-derived values. Monetary values are raw reported units from grepcent's resolved facts; no scaling and no FX conversion. Capex, dividends, and buybacks are reported as positive outflow magnitudes. ROE/ROA include both period-end basis (site-consistent) and average-of-two-years basis where the prior-year denominator exists.",
  "schema_version": "1",
  "sic": "2834",
  "sic_description": "Pharmaceutical Preparations",
  "source_urls": {
    "sec_companyfacts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001664710.json",
    "sec_submissions": "https://data.sec.gov/submissions/CIK0001664710.json"
  },
  "ticker": "KROS"
}