A business in context

KROS research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-22 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-09-29 · 0001664710-26-000059 · Items 7.01,9.01

  2. 8-K · Current report

    Report date 2026-09-28 · 0001664710-26-000056 · Items 7.01,9.01

  3. 8-K · Current report

    Report date 2026-09-08 · 0001664710-26-000053 · Items 8.01,9.01

  4. 4 · Ownership change

    Report date 2026-08-18 · 0002146784-26-000004

  5. 4 · Ownership change

    Report date 2026-08-18 · 0002081460-26-000009

  6. 4 · Ownership change

    Report date 2026-08-18 · 0002081359-26-000008

  7. 4 · Ownership change

    Report date 2026-08-18 · 0001866219-26-000010

  8. 4 · Ownership change

    Report date 2026-08-17 · 0001221590-26-000025

  9. 8-K · Current report

    Report date 2026-08-03 · 0001664710-26-000050 · Items 7.01,9.01

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001664710-26-000049

  11. 8-K · Current report

    Report date 2026-08-03 · 0001664710-26-000048 · Items 2.02,9.01

  12. 8-K · Current report

    Report date 2026-07-30 · 0001664710-26-000043 · Items 7.01,9.01

  13. 8-K · Current report

    Report date 2026-07-17 · 0001664710-26-000038 · Items 5.02

  14. 4 · Ownership change

    Report date 2026-07-15 · 0001221590-26-000023

  15. 4 · Ownership change

    Report date 2026-07-01 · 0001797917-26-000007

  16. 8-K · Current report

    Report date 2026-06-23 · 0001664710-26-000036 · Items 5.02,7.01,9.01

  17. 4 · Ownership change

    Report date 2026-06-15 · 0001221590-26-000021

  18. 8-K · Current report

    Report date 2026-06-03 · 0001664710-26-000034 · Items 5.07

  19. 8-K · Current report

    Report date 2026-06-01 · 0001664710-26-000032 · Items 7.01,9.01

  20. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001664710-26-000030

  21. 8-K · Current report

    Report date 2026-05-14 · 0001664710-26-000029 · Items 2.02,9.01

  22. DEF 14A · Proxy statement

    Report date 2026-06-03 · 0001104659-26-046791

  23. 8-K · Current report

    Report date 2026-03-09 · 0001664710-26-000024 · Items 8.01,9.01

  24. 8-K · Current report

    Report date 2026-03-04 · 0001664710-26-000021 · Items 7.01,9.01

  25. 10-K · Annual report

    Report date 2025-12-31 · 0001664710-26-000018

  26. 8-K · Current report

    Report date 2026-03-04 · 0001664710-26-000017 · Items 2.02,9.01

  27. 8-K · Current report

    Report date 2026-02-20 · 0001664710-26-000008 · Items 5.02,7.01,9.01

  28. 8-K · Current report

    Report date 2026-02-18 · 0001664710-26-000005 · Items 7.01,9.01

  29. 8-K · Current report

    Report date 2026-01-09 · 0001664710-26-000003 · Items 7.01,9.01

  30. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001664710-25-000089

  31. 8-K · Current report

    Report date 2025-11-05 · 0001664710-25-000086 · Items 2.02,9.01

  32. 8-K · Current report

    Report date 2025-10-15 · 0001104659-25-099512 · Items 1.01,2.02,5.02,7.01,8.01,9.01

  33. 8-K · Current report

    Report date 2025-09-08 · 0001664710-25-000081 · Items 8.01,9.01

  34. 8-K · Current report

    Report date 2025-08-28 · 0001664710-25-000078 · Items 7.01,9.01

  35. 8-K · Current report

    Report date 2025-08-20 · 0001664710-25-000073 · Items 8.01,9.01

  36. 8-K · Current report

    Report date 2025-08-06 · 0001664710-25-000071 · Items 5.02,7.01,8.01,9.01

  37. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001664710-25-000070

  38. 8-K · Current report

    Report date 2025-08-06 · 0001664710-25-000068 · Items 2.02,9.01

  39. 8-K · Current report

    Report date 2025-07-17 · 0001664710-25-000062 · Items 8.01,9.01

  40. 8-K · Current report

    Report date 2025-07-09 · 0001664710-25-000059 · Items 5.02

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 2 transaction rows2PSale: 4 transaction rows4SGrant / award: 2 transaction rows2AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

8 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-18
2026-08-20
Tanini AnnitaS · Sale
Disposed
Common Stock1224.010.29
2026-08-18
2026-08-20
Cho EstherS · Sale
Disposed
Common Stock4485.010.29
2026-08-18
2026-08-20
Lerner Lorena RaquelS · Sale
Disposed
Common Stock3568.010.29
2026-08-18
2026-08-20
Newton Charles W.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock551.010.3
2026-08-17
2026-08-19
BIENAIME JEAN JACQUES
10b5-1 checkbox reported
P · Purchase
Acquired
Common Stock1000.010.27
2026-07-15
2026-07-17
BIENAIME JEAN JACQUES
10b5-1 checkbox reported
P · Purchase
Acquired
Common Stock1000.010.61
2026-07-01
2026-07-06
Prener AnneA · Grant / award
Acquired
Common Stock13786.00.0
2026-07-01
2026-07-06
Prener AnneA · Grant / award
Acquired
Stock Option (right to buy)
Derivative security
14870.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001664710Keros Therapeutics, Inc.

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names

    Revenue in constant purchasing power

    USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

    Year endedReported USD revenueCPI-adjusted USD revenue
    2024-12-31$3.55M$3.81M
    2023-12-31$151.0K$167.0K
    2022-12-31$0$0
    2021-12-31$20.10M$24.99M
    2020-12-31$0$0
    2019-12-31$10.00M$13.18M

    Bureau of Labor Statistics · retrieved 2026-10-22 · 9 selected series; gaps remain missing

    Explore the CPI history ↗