A business in context

PLAB research notebook

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

Research JSON

Filing timeline

Download filings CSV

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

  1. 4 · Ownership change

    Report date 2026-10-01 · 0001140361-26-038469

  2. 4 · Ownership change

    Report date 2026-10-01 · 0001140361-26-038465

  3. 4 · Ownership change

    Report date 2026-09-29 · 0001140361-26-038315

  4. 4 · Ownership change

    Report date 2026-09-25 · 0001140361-26-038036

  5. 4 · Ownership change

    Report date 2026-09-24 · 0001140361-26-037873

  6. 4 · Ownership change

    Report date 2026-09-22 · 0001140361-26-037594

  7. 10-Q · Quarterly report

    Report date 2026-08-02 · 0001140361-26-036138

  8. 8-K · Current report

    Report date 2026-08-26 · 0000810136-26-000006 · Items 2.02,9.01

  9. 10-Q · Quarterly report

    Report date 2026-05-03 · 0001140361-26-024915

  10. 8-K · Current report

    Report date 2026-05-28 · 0001140361-26-023057 · Items 2.02,9.01

  11. 4 · Ownership change

    Report date 2026-04-17 · 0001140361-26-015982

  12. 4 · Ownership change

    Report date 2026-04-17 · 0001140361-26-015980

  13. 8-K · Current report

    Report date 2026-04-08 · 0001140361-26-014013 · Items 5.07

  14. 10-Q · Quarterly report

    Report date 2026-02-01 · 0001140361-26-009004

  15. 8-K · Current report

    Report date 2025-02-25 · 0001140361-26-006717 · Items 2.02,9.01

  16. DEF 14A · Proxy statement

    Report date 2026-04-08 · 0001539497-26-000750

  17. 8-K · Current report

    Report date 2026-01-12 · 0001140361-26-001053 · Items 5.02,9.01

  18. 8-K · Current report

    Report date 2026-01-01 · 0001140361-26-000510 · Items 5.02,9.01

  19. 8-K · Current report

    Report date 2025-12-29 · 0001140361-26-000196 · Items 5.02,9.01

  20. 10-K · Annual report

    Report date 2025-10-31 · 0001140361-25-045801

  21. 8-K · Current report

    Report date 2025-12-10 · 0001140361-25-045083 · Items 2.02,9.01

  22. 10-Q · Quarterly report

    Report date 2025-08-03 · 0001140361-25-034438

  23. 8-K · Current report

    Report date 2025-08-27 · 0001140361-25-032837 · Items 2.02,9.01

  24. 8-K · Current report

    Report date 2025-06-27 · 0001140361-25-024672 · Items 5.02,9.01

  25. 10-Q · Quarterly report

    Report date 2025-05-04 · 0001140361-25-022208

  26. 8-K · Current report

    Report date 2025-05-28 · 0001140361-25-020569 · Items 2.02,5.02,9.01

  27. 8-K · Current report

    Report date 2025-04-30 · 0001140361-25-017153 · Items 5.02,9.01

  28. 8-K · Current report

    Report date 2025-04-11 · 0001140361-25-014404 · Items 5.02,9.01

  29. 8-K · Current report

    Report date 2025-04-02 · 0001140361-25-012062 · Items 5.07,8.01

  30. 10-Q · Quarterly report

    Report date 2025-02-02 · 0001140361-25-008608

  31. 8-K · Current report

    Report date 2025-02-26 · 0001140361-25-005993 · Items 2.02,9.01

  32. DEF 14A · Proxy statement

    Report date 2025-04-02 · 0001213900-25-014346

  33. 8-K · Current report

    Report date 2025-01-21 · 0001140361-25-001916 · Items 5.02

  34. 8-K · Current report

    Report date 2025-01-06 · 0001140361-25-000846 · Items 5.02,9.01

  35. 10-K · Annual report

    Report date 2024-10-31 · 0001140361-24-049881

  36. 8-K · Current report

    Report date 2024-12-12 · 0001140361-24-049844 · Items 5.02,9.01

  37. 8-K · Current report

    Report date 2024-12-11 · 0001140361-24-048970 · Items 2.02,9.01

  38. 8-K · Current report

    Report date 2024-11-18 · 0001140361-24-047448 · Items 5.02,9.01

  39. 8-K · Current report

    Report date 2024-09-30 · 0001140361-24-042827 · Items 5.02,9.01

  40. 10-Q · Quarterly report

    Report date 2024-07-28 · 0001140361-24-040177

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: 3 transaction rows3SGrant / 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

3 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-25
2026-09-29
Park Han KyungS · Sale
Disposed
COMMON STOCK9500.030.37
2026-09-24
2026-09-28
Lee Kang JyhS · Sale
Disposed
COMMON STOCK7500.029.5
2026-09-22
2026-09-24
Lee Kang JyhS · Sale
Disposed
COMMON STOCK10000.029.7

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 · 0000810136PHOTRONICS 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
    2024-10-31$866.95M$935.48M
    2023-10-31$892.08M$991.65M
    2022-10-31$824.55M$959.50M
    2021-10-31$663.76M$834.50M
    2020-10-31$609.69M$795.41M
    2019-10-31$550.66M$728.29M
    2018-10-31$535.28M$720.68M

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

    Explore the CPI history ↗