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CTKB research notebook

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SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-09-23 · 0001193125-26-407330 · Items 5.03,9.01

  2. 8-K · Current report

    Report date 2026-08-21 · 0001193125-26-361705 · Items 7.01,8.01,9.01

  3. 4 · Ownership change

    Report date 2026-08-18 · 0001878824-26-000004

  4. 4 · Ownership change

    Report date 2026-08-18 · 0001874041-26-000009

  5. 4 · Ownership change

    Report date 2026-08-18 · 0001872873-26-000006

  6. 4 · Ownership change

    Report date 2026-08-18 · 0001515140-26-000005

  7. 4 · Ownership change

    Report date 2026-08-18 · 0001337252-26-000005

  8. 4 · Ownership change

    Report date 2026-08-18 · 0001181190-26-000007

  9. 4 · Ownership change

    Report date 2026-08-10 · 0002141966-26-000002

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001628280-26-053496

  11. 8-K · Current report

    Report date 2026-08-05 · 0001193125-26-335212 · Items 2.02,9.01

  12. 8-K · Current report

    Report date 2026-07-09 · 0001193125-26-304789 · Items 5.02

  13. 8-K · Current report

    Report date 2026-06-18 · 0001193125-26-282871 · Items 5.02

  14. 4 · Ownership change

    Report date 2026-06-12 · 0001874041-26-000007

  15. 8-K · Current report

    Report date 2026-06-10 · 0001193125-26-272582 · Items 5.07

  16. 8-K · Current report

    Report date 2026-05-27 · 0001193125-26-253538 · Items 5.02

  17. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-032293

  18. 8-K · Current report

    Report date 2026-05-07 · 0001193125-26-211948 · Items 2.02,9.01

  19. DEF 14A · Proxy statement

    Report date 2026-06-10 · 0001140361-26-017479

  20. 10-K · Annual report

    Report date 2025-12-31 · 0001628280-26-012352

  21. 8-K · Current report

    Report date 2026-02-26 · 0001193125-26-076768 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2026-01-12 · 0001193125-26-011748 · Items 2.02,9.01

  23. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001628280-25-049697

  24. 8-K · Current report

    Report date 2025-11-05 · 0001193125-25-266973 · Items 2.02,9.01

  25. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001628280-25-038422

  26. 8-K · Current report

    Report date 2025-08-06 · 0001193125-25-174459 · Items 2.02,9.01

  27. 8-K · Current report

    Report date 2025-06-18 · 0001193125-25-145725 · Items 5.07

  28. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001628280-25-023927

  29. 8-K · Current report

    Report date 2025-05-08 · 0001193125-25-115965 · Items 2.02,9.01

  30. DEF 14A · Proxy statement

    Report date 2025-06-18 · 0001140361-25-016032

  31. 10-K · Annual report

    Report date 2024-12-31 · 0001628280-25-008780

  32. 8-K · Current report

    Report date 2025-02-27 · 0001193125-25-039225 · Items 2.02,9.01

  33. 8-K · Current report

    Report date 2025-01-15 · 0001193125-25-006599 · Items 2.02,9.01

  34. SC 13G/A · Ownership disclosure

    0001398344-24-020821

  35. SC 13G · Ownership disclosure

    0000902664-24-006628

  36. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001628280-24-045834

  37. 8-K · Current report

    Report date 2024-11-05 · 0001193125-24-251268 · Items 2.02,9.01

  38. 8-K · Current report

    Report date 2024-09-09 · 0001193125-24-217558 · Items 5.02

  39. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001628280-24-035264

  40. 8-K · Current report

    Report date 2024-08-06 · 0001193125-24-194907 · Items 2.02,9.01

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: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 2 transaction rows2AExercise / conversion: 28 transaction rows28MTax / exercise payment: 11 transaction rows11FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

41 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-18
2026-08-20
McCombe William D.M · Exercise / conversion
Acquired
Common Stock13051.0n/a
2026-08-18
2026-08-20
McCombe William D.F · Tax / exercise payment
Disposed
Common Stock5401.04.67
2026-08-18
2026-08-20
McCombe William D.M · Exercise / conversion
Acquired
Common Stock16049.0n/a
2026-08-18
2026-08-20
McCombe William D.F · Tax / exercise payment
Disposed
Common Stock4392.04.67
2026-08-18
2026-08-20
McCombe William D.M · Exercise / conversion
Acquired
Common Stock6320.0n/a
2026-08-18
2026-08-20
McCombe William D.F · Tax / exercise payment
Disposed
Common Stock2111.04.67
2026-08-18
2026-08-20
McCombe William D.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
16049.00.0
2026-08-18
2026-08-20
McCombe William D.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
13051.00.0
2026-08-18
2026-08-20
McCombe William D.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
6320.00.0
2026-08-18
2026-08-20
Yan MingM · Exercise / conversion
Acquired
Common Stock7363.0n/a
2026-08-18
2026-08-20
Yan MingF · Tax / exercise payment
Disposed
Common Stock1778.04.67
2026-08-18
2026-08-20
Yan MingM · Exercise / conversion
Acquired
Common Stock5525.0n/a
2026-08-18
2026-08-20
Yan MingF · Tax / exercise payment
Disposed
Common Stock1346.04.67
2026-08-18
2026-08-20
Yan MingM · Exercise / conversion
Acquired
Common Stock6162.0n/a
2026-08-18
2026-08-20
Yan MingF · Tax / exercise payment
Disposed
Common Stock1501.04.67
2026-08-18
2026-08-20
Yan MingM · Exercise / conversion
Acquired
Common Stock14220.0n/a
2026-08-18
2026-08-20
Yan MingF · Tax / exercise payment
Disposed
Common Stock3463.04.67
2026-08-18
2026-08-20
Yan MingM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
5525.00.0
2026-08-18
2026-08-20
Yan MingM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
7363.00.0
2026-08-18
2026-08-20
Yan MingM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
6162.00.0
2026-08-18
2026-08-20
Yan MingM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
14220.00.0
2026-08-18
2026-08-20
Jiang WenbinM · Exercise / conversion
Acquired
Common Stock11781.0n/a
2026-08-18
2026-08-20
Jiang WenbinF · Tax / exercise payment
Disposed
Common Stock2869.04.67
2026-08-18
2026-08-20
Jiang WenbinM · Exercise / conversion
Acquired
Common Stock22100.0n/a
2026-08-18
2026-08-20
Jiang WenbinF · Tax / exercise payment
Disposed
Common Stock5382.04.67
2026-08-18
2026-08-20
Jiang WenbinM · Exercise / conversion
Acquired
Common Stock29002.0n/a
2026-08-18
2026-08-20
Jiang WenbinF · Tax / exercise payment
Disposed
Common Stock20956.04.67
2026-08-18
2026-08-20
Jiang WenbinF · Tax / exercise payment
Disposed
Common Stock7062.04.67
2026-08-18
2026-08-20
Jiang WenbinM · Exercise / conversion
Acquired
Common Stock57212.0n/a
2026-08-18
2026-08-20
Jiang WenbinM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
29002.00.0
2026-08-18
2026-08-20
Jiang WenbinM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
57212.00.0
2026-08-18
2026-08-20
Jiang WenbinM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
22100.00.0
2026-08-18
2026-08-20
Jiang WenbinM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
11781.00.0
2026-08-18
2026-08-20
Holder MichaelM · Exercise / conversion
Acquired
Common Stock2181.0n/a
2026-08-18
2026-08-20
Holder MichaelM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
2181.00.0
2026-08-18
2026-08-20
Chin RichardM · Exercise / conversion
Acquired
Common Stock6107.0n/a
2026-08-18
2026-08-20
Chin RichardM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
6107.00.0
2026-08-18
2026-08-20
MUIR GLENN PM · Exercise / conversion
Acquired
Common Stock3086.0n/a
2026-08-18
2026-08-20
MUIR GLENN PM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
3086.00.0
2026-08-10
2026-08-12
Feuchtwang IlanA · Grant / award
Acquired
Restricted Stock Units
Derivative security
241416.00.0
2026-08-10
2026-08-12
Feuchtwang IlanA · Grant / award
Acquired
Employee Stock Option (right to buy)
Derivative security
127118.00.0

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 · 0001831915Cytek Biosciences, 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$200.45M$215.31M
    2023-12-31$193.01M$213.42M
    2022-12-31$164.04M$188.83M
    2021-12-31$127.95M$159.07M
    2020-12-31$92.84M$120.86M

    Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

    Explore the CPI history ↗