TickerFacts.

A business in context

ADTN research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-08-10 · 0001193125-26-342359 · Items 5.02,9.01

  2. 4 · Ownership change

    Report date 2026-08-10 · 0001193125-26-342317

  3. 4 · Ownership change

    Report date 2026-08-06 · 0001193125-26-340206

  4. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001193125-26-331632

  5. 8-K · Current report

    Report date 2026-08-03 · 0001193125-26-331458 · Items 2.02,7.01,9.01

  6. 4 · Ownership change

    Report date 2026-07-24 · 0001193125-26-320947

  7. 8-K · Current report

    Report date 2026-07-21 · 0001193125-26-314198 · Items 1.01,1.02,2.03,9.01

  8. 8-K · Current report

    Report date 2026-07-21 · 0001193125-26-311290 · Items 2.02,7.01,9.01

  9. 4 · Ownership change

    Report date 2026-07-01 · 0001193125-26-296161

  10. 8-K · Current report

    Report date 2026-06-23 · 0001193125-26-283882 · Items 5.02,8.01,9.01

  11. 4 · Ownership change

    Report date 2026-05-20 · 0001193125-26-236824

  12. 8-K · Current report

    Report date 2026-05-13 · 0001193125-26-228208 · Items 5.03,5.07,9.01

  13. 4 · Ownership change

    Report date 2026-05-07 · 0001193125-26-216692

  14. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001193125-26-205276

  15. 8-K · Current report

    Report date 2026-05-04 · 0001193125-26-204995 · Items 2.02,7.01,9.01

  16. 8-K · Current report

    Report date 2026-04-01 · 0001193125-26-145496 · Items 5.02,9.01

  17. 4 · Ownership change

    Report date 2026-04-01 · 0001193125-26-142016

  18. 4 · Ownership change

    Report date 2026-04-01 · 0001193125-26-142013

  19. DEF 14A · Proxy statement

    Report date 2026-03-27 · 0001193125-26-127315

  20. 10-K · Annual report

    Report date 2025-12-31 · 0001193125-26-073878

  21. 8-K · Current report

    Report date 2026-02-25 · 0001193125-26-073361 · Items 2.02,7.01,9.01

  22. 8-K · Current report

    Report date 2026-01-21 · 0001193125-26-018367 · Items 2.02,7.01,9.01

  23. 8-K · Current report

    Report date 2025-12-09 · 0001193125-25-315910 · Items 5.02,9.01

  24. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001193125-25-264157

  25. 8-K · Current report

    Report date 2025-11-03 · 0001193125-25-263524 · Items 2.02,7.01,9.01

  26. 8-K · Current report

    Report date 2025-09-19 · 0001193125-25-211271 · Items 1.01,2.03,3.02,9.01

  27. 8-K · Current report

    Report date 2025-09-15 · 0001193125-25-205483 · Items 1.01,8.01,9.01

  28. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000950170-25-102561

  29. 8-K · Current report

    Report date 2025-08-04 · 0000950170-25-102401 · Items 2.02,7.01,9.01

  30. 8-K · Current report

    Report date 2025-07-24 · 0000950170-25-100222 · Items 5.07,8.01,9.01

  31. 8-K/A · Current report

    Report date 2025-07-16 · 0000950170-25-096408 · Items 2.02,7.01,9.01

  32. 8-K · Current report

    Report date 2025-07-16 · 0000950170-25-096231 · Items 2.02,7.01,9.01

  33. 8-K · Current report

    Report date 2025-05-27 · 0000950170-25-077995 · Items 2.02,9.01

  34. 8-K · Current report

    Report date 2025-05-27 · 0001193125-25-127878 · Items 8.01,9.01

  35. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000950170-25-075374

  36. 10-K/A · Annual report

    Report date 2024-12-31 · 0000950170-25-075366

  37. 8-K · Current report

    Report date 2025-05-13 · 0000950170-25-070473 · Items 4.02,8.01,9.01

  38. 8-K · Current report

    Report date 2025-05-06 · 0000950170-25-069478 · Items 1.01,9.01

  39. 8-K · Current report

    Report date 2025-05-07 · 0000950170-25-066343 · Items 2.02,7.01,9.01

  40. 8-K · Current report

    Report date 2025-04-15 · 0001193125-25-081800 · Items 7.01,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 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: 1 transaction rows1PSale: 0 transaction rows0SGrant / award: 3 transaction rows3AExercise / 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
2026-08-10
2026-08-10
Glingener ChristophA · Grant / award
Acquired
Common Stock27924.00.0
2026-08-06
2026-08-07
Santo Timothy PP · Purchase
Acquired
Common Stock6579.07.6
2026-07-24
2026-07-28
Glingener ChristophA · Grant / award
Acquired
Common Stock9384.00.0
2026-07-01
2026-07-06
DelSanto AnneA · Grant / award
Acquired
Common Stock4399.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 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 · 0000926282ADTRAN Holdings, 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 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Adtran · alias · wikidata
  • ADTRAN INC · former SEC name · 1996-05-13 to 2022-07-11
Explore headquarters map ↗

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$922.72M$991.09M
2023-12-31$1.15B$1.27B
2022-12-31$1.03B$1.18B
2021-12-31$563.00M$699.95M
2020-12-31$506.51M$659.41M
2019-12-31$530.06M$698.54M
2018-12-31$529.28M$710.16M
2017-12-31$666.90M$916.70M

Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

Explore the CPI history ↗