A business in context

NSSC 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 2026-09-29 · 0001254037-26-000005

  2. 4 · Ownership change

    Report date 2026-09-29 · 0001253873-26-000003

  3. 4 · Ownership change

    Report date 2026-08-26 · 0001416646-26-000002

  4. 4 · Ownership change

    Report date 2026-08-26 · 0001254037-26-000004

  5. 10-K · Annual report

    Report date 2026-06-30 · 0001104659-26-100081

  6. 8-K · Current report

    Report date 2026-08-20 · 0001104659-26-100077 · Items 2.02,7.01,9.01

  7. 8-K · Current report

    Report date 2026-07-08 · 0001104659-26-081794 · Items 5.02,9.01

  8. 4 · Ownership change

    Report date 2026-05-18 · 0001416646-26-000001

  9. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001104659-26-055383

  10. 8-K · Current report

    Report date 2026-04-30 · 0001104659-26-054691 · Items 2.02,7.01,9.01

  11. 4 · Ownership change

    Report date 2026-03-17 · 0001812385-26-000001

  12. 4 · Ownership change

    Report date 2026-03-02 · 0001254037-26-000003

  13. 4 · Ownership change

    Report date 2026-02-26 · 0001256086-26-000001

  14. 10-Q · Quarterly report

    Report date 2025-12-31 · 0001104659-26-009130

  15. 8-K · Current report

    Report date 2026-01-29 · 0001104659-26-009129 · Items 2.02,5.02,7.01,9.01

  16. 8-K · Current report

    Report date 2025-12-08 · 0001104659-25-119303 · Items 5.07

  17. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001104659-25-105434

  18. 8-K · Current report

    Report date 2025-10-30 · 0001104659-25-105432 · Items 2.02,7.01,9.01

  19. DEF 14A · Proxy statement

    Report date 2025-12-08 · 0001140361-25-039260

  20. 10-K · Annual report

    Report date 2025-06-30 · 0001558370-25-011750

  21. 8-K · Current report

    Report date 2025-08-21 · 0001558370-25-011749 · Items 2.02,7.01,9.01

  22. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001558370-25-006267

  23. 8-K · Current report

    Report date 2025-05-02 · 0001558370-25-006266 · Items 2.02,5.02,7.01,9.01

  24. 10-Q · Quarterly report

    Report date 2024-12-31 · 0001558370-25-000601

  25. 8-K · Current report

    Report date 2025-01-30 · 0001558370-25-000600 · Items 2.02,7.01,9.01

  26. 8-K · Current report

    Report date 2024-12-12 · 0001558370-24-016219 · Items 5.07

  27. SC 13G/A · Ownership disclosure

    0002012383-24-004311

  28. SC 13G · Ownership disclosure

    0000315066-24-002806

  29. 8-K · Current report

    Report date 2024-11-01 · 0001558370-24-014248 · Items 2.02,7.01,8.01,9.01

  30. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001558370-24-014247

  31. DEF 14A · Proxy statement

    Report date 2024-12-12 · 0001140361-24-044270

  32. SC 13G/A · Ownership disclosure

    0002012383-24-000875

  33. 8-K · Current report

    Report date 2024-09-17 · 0001558370-24-012875 · Items 5.02,9.01

  34. 8-K · Current report

    Report date 2024-09-06 · 0001558370-24-012635 · Items 7.01,9.01

  35. 10-K · Annual report

    Report date 2024-06-30 · 0001558370-24-012547

  36. 8-K · Current report

    Report date 2024-08-22 · 0001558370-24-012472 · Items 2.02,7.01,9.01

  37. 8-K · Current report

    Report date 2024-05-02 · 0001558370-24-006797 · Items 2.02,5.02,7.01,9.01

  38. 10-Q · Quarterly report

    Report date 2024-03-31 · 0001558370-24-006776

  39. SC 13D/A · Ownership disclosure

    0001021771-24-000072

  40. 8-K · Current report

    Report date 2024-03-05 · 0001104659-24-031881 · Items 1.01,9.01

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: 4 transaction rows4SGrant / 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

4 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-27
2026-08-28
Soloway Donna AnneS · Sale
Disposed
Common Stock20962.034.62
2026-08-27
2026-08-28
SOLOWAY RICHARDS · Sale
Disposed
Common Stock379529.034.5
2026-08-26
2026-08-28
Soloway Donna AnneS · Sale
Disposed
Common Stock28000.035.98
2026-08-26
2026-08-28
SOLOWAY RICHARDS · Sale
Disposed
Common Stock95471.035.93

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 · 0000069633NAPCO SECURITY TECHNOLOGIES, 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
  • NAPCO SECURITY SYSTEMS INC · former SEC name · 1994-02-14 to 2009-11-16

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
2025-06-30$181.62M$192.61M
2024-06-30$188.82M$205.52M
2023-06-30$170.00M$191.14M
2022-06-30$143.59M$171.58M
2021-06-30$114.03M$146.02M
2020-06-30$101.36M$132.77M
2019-06-30$102.93M$136.94M
2018-06-30$91.75M$124.59M

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

Explore the CPI history ↗