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APT research notebook

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

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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 2026-09-30 · 0001973917-26-000003

  2. 4 · Ownership change

    Report date 2026-09-30 · 0001703326-26-000002

  3. 4 · Ownership change

    Report date 2026-09-30 · 0001503888-26-000007

  4. 4 · Ownership change

    Report date 2026-09-30 · 0001258162-26-000004

  5. 4 · Ownership change

    Report date 2026-09-28 · 0001726903-26-000006

  6. 4 · Ownership change

    Report date 2026-09-28 · 0001663450-26-000008

  7. 4 · Ownership change

    Report date 2026-09-28 · 0001347444-26-000008

  8. 4/A · Ownership change

    Report date 2026-05-11 · 0001347444-26-000006

  9. 8-K · Current report

    Report date 2026-09-14 · 0001437749-26-030517 · Items 4.01,9.01

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001437749-26-026551

  11. 8-K · Current report

    Report date 2026-08-06 · 0001437749-26-026101 · Items 2.02,9.01

  12. 8-K · Current report

    Report date 2026-06-10 · 0001437749-26-020665 · Items 5.07

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001437749-26-015456

  14. 8-K · Current report

    Report date 2026-05-07 · 0001437749-26-015366 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-06-10 · 0001437749-26-014020

  16. 10-K · Annual report

    Report date 2025-12-31 · 0001437749-26-007797

  17. 8-K · Current report

    Report date 2026-03-11 · 0001437749-26-007775 · Items 2.02,9.01

  18. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001437749-25-033545

  19. 8-K · Current report

    Report date 2025-11-05 · 0001437749-25-033151 · Items 2.02,9.01

  20. 8-K · Current report

    Report date 2025-08-07 · 0001437749-25-025617 · Items 2.02,9.01

  21. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001437749-25-025400

  22. 8-K · Current report

    Report date 2025-06-10 · 0001437749-25-020076 · Items 5.07

  23. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001437749-25-015457

  24. 8-K · Current report

    Report date 2025-05-08 · 0001437749-25-015266 · Items 2.02,9.01

  25. DEF 14A · Proxy statement

    Report date 2025-06-10 · 0001437749-25-013635

  26. 10-K · Annual report

    Report date 2024-12-31 · 0001437749-25-007218

  27. 8-K · Current report

    Report date 2025-03-12 · 0001437749-25-007164 · Items 2.02,9.01

  28. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001437749-24-033866

  29. 8-K · Current report

    Report date 2024-11-06 · 0001437749-24-033488 · Items 2.02,9.01

  30. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001437749-24-025421

  31. 8-K · Current report

    Report date 2024-08-07 · 0001437749-24-025046 · Items 2.02,9.01

  32. 8-K · Current report

    Report date 2024-06-12 · 0001437749-24-020321 · Items 5.07

  33. SC 13G · Ownership disclosure

    0000919574-24-003370

  34. 10-Q · Quarterly report

    Report date 2024-03-31 · 0001437749-24-015624

  35. 8-K · Current report

    Report date 2024-05-08 · 0001437749-24-015237 · Items 2.02,9.01

  36. DEF 14A · Proxy statement

    Report date 2024-06-12 · 0001437749-24-013513

  37. 8-K · Current report

    Report date 2024-03-13 · 0001437749-24-007558 · Items 2.02,9.01

  38. 10-K · Annual report

    Report date 2023-12-31 · 0001437749-24-007539

  39. SC 13G · Ownership disclosure

    0001104659-24-020235

  40. SC 13G · Ownership disclosure

    0001037389-24-000002

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: 7 transaction rows7SGrant / award: 9 transaction rows9AExercise / conversion: 0 transaction rows0MTax / exercise payment: 4 transaction rows4FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

20 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-28
2026-09-30
Millar DonnaF · Tax / exercise payment
Disposed
common stock8029.05.04
2026-09-28
2026-09-30
Millar DonnaA · Grant / award
Acquired
common stock15000.05.04
2026-09-28
2026-09-30
Millar DonnaS · Sale
Disposed
common stock6971.05.04
2026-09-28
2026-09-30
MCDONALD COLLEEN JF · Tax / exercise payment
Disposed
common stock16059.05.04
2026-09-28
2026-09-30
MCDONALD COLLEEN JA · Grant / award
Acquired
common stock27000.05.04
2026-09-28
2026-09-30
MONTGOMERY CHARLES DF · Tax / exercise payment
Disposed
common stock13057.05.04
2026-09-28
2026-09-30
MONTGOMERY CHARLES DA · Grant / award
Acquired
common stock33000.05.04
2026-09-28
2026-09-30
MONTGOMERY CHARLES DS · Sale
Disposed
common stock21943.05.04
2026-09-28
2026-09-30
HOFFMAN LLOYDA · Grant / award
Acquired
Common stock45000.05.04
2026-09-28
2026-09-30
HOFFMAN LLOYDF · Tax / exercise payment
Disposed
Common stock26765.05.04
2026-05-12
2026-09-30 · Amendment
MONTGOMERY CHARLES DS · Sale
Disposed
common stock5000.06.04
2026-05-12
2026-09-30 · Amendment
MONTGOMERY CHARLES DS · Sale
Disposed
common stock5000.06.35
2026-05-12
2026-09-30 · Amendment
MONTGOMERY CHARLES DS · Sale
Disposed
common stock5000.06.33
2026-05-12
2026-09-30 · Amendment
MONTGOMERY CHARLES DS · Sale
Disposed
common stock5000.06.28
2026-05-11
2026-09-30 · Amendment
MONTGOMERY CHARLES DS · Sale
Disposed
common stock3886.07.03
2023-09-28
2026-09-29 · Amendment
Millar DonnaA · Grant / award
Acquired
common stock15000.00.0
2023-09-28
2026-09-29 · Amendment
MCDONALD COLLEEN JA · Grant / award
Acquired
common stock30000.00.0
2023-09-28
2026-09-29
MCDONALD COLLEEN JA · Grant / award
Acquired
common stock30000.00.0
2023-09-28
2026-09-29 · Amendment
MONTGOMERY CHARLES DA · Grant / award
Acquired
common stock35000.00.0
2023-09-28
2026-09-29 · Amendment
HOFFMAN LLOYDA · Grant / award
Acquired
common stock50000.00.0

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 · 0000884269ALPHA PRO TECH LTD

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$57.84M$62.13M
    2023-12-31$61.23M$67.71M
    2022-12-31$61.98M$71.35M
    2021-12-31$68.64M$85.33M
    2020-12-31$102.70M$133.70M
    2019-12-31$46.66M$61.50M
    2018-12-31$46.62M$62.56M
    2017-12-31$44.02M$60.52M

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

    Explore the CPI history ↗