A business in context

QURT research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-08 · 8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001493152-26-038371

  2. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001493152-26-023573

  3. 10-K · Annual report

    Report date 2025-12-31 · 0001493152-26-014020

  4. 8-K · Current report

    Report date 2026-01-29 · 0001493152-26-007569 · Items 7.01

  5. 8-K · Current report

    Report date 2026-02-18 · 0001493152-26-007458 · Items 5.02

  6. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001493152-25-022392

  7. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001641172-25-023940

  8. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001641172-25-011012

  9. 10-K · Annual report

    Report date 2024-12-31 · 0001641172-25-001687

  10. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001493152-24-045696

  11. 10-K/A · Annual report

    Report date 2023-12-31 · 0001493152-24-032737

  12. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001493152-24-032115

  13. 10-Q · Quarterly report

    Report date 2024-03-31 · 0001493152-24-019744

  14. 8-K · Current report

    Report date 2024-04-29 · 0001493152-24-016907 · Items 5.02,9.01

  15. 4 · Ownership change

    Report date 2024-04-29 · 0001493152-24-016905

  16. 4 · Ownership change

    Report date 2024-04-29 · 0001493152-24-016900

  17. 10-K · Annual report

    Report date 2023-12-31 · 0001493152-24-012312

  18. 10-Q · Quarterly report

    Report date 2023-09-30 · 0001493152-23-040223

  19. 10-Q · Quarterly report

    Report date 2023-06-30 · 0001493152-23-036489

  20. 10-Q · Quarterly report

    Report date 2023-03-31 · 0001493152-23-024015

  21. 10-K · Annual report

    Report date 2022-12-31 · 0001493152-23-019810

  22. 10-Q · Quarterly report

    Report date 2022-09-30 · 0001493152-22-033075

  23. 10-Q · Quarterly report

    Report date 2022-06-30 · 0001493152-22-025893

  24. 10-Q · Quarterly report

    Report date 2022-03-31 · 0001493152-22-017343

  25. 10-K · Annual report

    Report date 2021-12-31 · 0001493152-22-014186

  26. 8-K · Current report

    Report date 2022-02-18 · 0001493152-22-005175 · Items 4.01,9.01

  27. 4 · Ownership change

    Report date 2022-02-08 · 0001493152-22-003707

  28. 4 · Ownership change

    Report date 2022-01-06 · 0001493152-22-000748

  29. 10-Q · Quarterly report

    Report date 2021-09-30 · 0001493152-21-029543

  30. 4 · Ownership change

    Report date 2021-10-11 · 0001493152-21-025148

  31. 4 · Ownership change

    Report date 2021-10-01 · 0001493152-21-024424

  32. 4 · Ownership change

    Report date 2021-09-27 · 0001493152-21-023941

  33. 4 · Ownership change

    Report date 2021-09-21 · 0001493152-21-023334

  34. 10-Q · Quarterly report

    Report date 2021-06-30 · 0001493152-21-019617

  35. 10-Q · Quarterly report

    Report date 2021-03-31 · 0001493152-21-012047

  36. 10-K · Annual report

    Report date 2020-12-31 · 0001493152-21-008862

  37. 8-K · Current report

    Report date 2021-01-07 · 0001493152-21-000621 · Items 4.01,9.01

  38. 8-K · Current report

    Report date 2020-12-16 · 0001493152-20-024126 · Items 1.01,3.02,9.01

  39. 10-Q · Quarterly report

    Report date 2020-09-30 · 0001493152-20-021367

  40. 10-Q · Quarterly report

    Report date 2020-06-30 · 0001493152-20-015746

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: 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: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 0 transaction rows0AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

0 matching transaction rows.

No matching transaction rows in the covered quarter. This does not establish that no insider transactions occurred.

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 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 · 0001549631Quarta-Rad, 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 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

    Revenue in constant purchasing power

    USD revenue expressed in 2026-07 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$106.8K$113.7K
    2023-12-31$508.3K$557.0K
    2022-12-31$1.10M$1.26M
    2021-12-31$1.25M$1.54M
    2020-12-31$858.0K$1.11M
    2019-12-31$875.3K$1.14M
    2018-12-31$908.4K$1.21M
    2017-12-31$1.21M$1.65M

    Bureau of Labor Statistics · retrieved 2026-09-08 · 9 selected series; gaps remain missing

    Explore the CPI history ↗