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DAL research notebook

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

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Filing timeline

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SEC submissions · retrieved 2026-10-22 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 10-Q · Quarterly report

    Report date 2026-09-30 · 0000027904-26-000038

  2. 8-K · Current report

    Report date 2026-10-09 · 0000027904-26-000035 · Items 2.02,9.01

  3. 4 · Ownership change

    Report date 2026-08-05 · 0001683168-26-006060

  4. 4/A · Ownership change

    Report date 2026-08-04 · 0001683168-26-006059

  5. 4 · Ownership change

    Report date 2026-08-05 · 0001683168-26-006058

  6. 4 · Ownership change

    Report date 2026-08-04 · 0001683168-26-006002

  7. 4 · Ownership change

    Report date 2026-08-04 · 0001683168-26-006001

  8. 4 · Ownership change

    Report date 2026-08-04 · 0001683168-26-006000

  9. 4 · Ownership change

    Report date 2026-08-03 · 0001683168-26-005999

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000027904-26-000031

  11. 8-K · Current report

    Report date 2026-07-10 · 0000027904-26-000029 · Items 2.02,9.01

  12. 4 · Ownership change

    Report date 2026-06-18 · 0001683168-26-005041

  13. 8-K · Current report

    Report date 2026-06-18 · 0001683168-26-005025 · Items 5.07

  14. 8-K · Current report

    Report date 2026-06-11 · 0001683168-26-004816 · Items 1.01,2.03

  15. DEF 14A · Proxy statement

    Report date 2026-06-18 · 0001308179-26-000345

  16. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000027904-26-000022

  17. 8-K · Current report

    Report date 2026-04-08 · 0000027904-26-000020 · Items 2.02,9.01

  18. 8-K · Current report

    Report date 2026-03-17 · 0001683168-26-001875 · Items 7.01,9.01

  19. 8-K · Current report

    Report date 2026-02-27 · 0001683168-26-001510 · Items 5.02,9.01

  20. 8-K · Current report

    Report date 2026-02-11 · 0001683168-26-001033 · Items 5.02

  21. 10-K · Annual report

    Report date 2025-12-31 · 0000027904-26-000013

  22. 8-K · Current report

    Report date 2026-01-27 · 0001683168-26-000578 · Items 1.01

  23. 8-K · Current report

    Report date 2026-01-12 · 0000027904-26-000008 · Items 1.01,2.02,9.01

  24. 8-K · Current report

    Report date 2025-12-11 · 0001683168-25-009232 · Items 5.02,9.01

  25. 8-K · Current report

    Report date 2025-12-03 · 0001683168-25-008823 · Items 7.01

  26. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000027904-25-000020

  27. 8-K · Current report

    Report date 2025-10-09 · 0000027904-25-000018 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2025-09-30 · 0001683168-25-007343 · Items 1.01,2.03

  29. 8-K · Current report

    Report date 2025-09-11 · 0001683168-25-006844 · Items 7.01

  30. 8-K · Current report

    Report date 2025-07-10 · 0001683168-25-005002 · Items 2.02,9.01

  31. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000027904-25-000012

  32. 8-K · Current report

    Report date 2025-06-19 · 0001683168-25-004655 · Items 5.02,5.07

  33. 8-K · Current report

    Report date 2025-06-05 · 0001193125-25-138467 · Items 1.01,8.01,9.01

  34. 8-K · Current report

    Report date 2025-05-09 · 0001683168-25-003307 · Items 7.01,9.01

  35. 8-K · Current report

    Report date 2025-04-29 · 0001683168-25-003028 · Items 7.01

  36. 8-K/A · Current report

    Report date 2024-12-12 · 0001683168-25-002844 · Items 5.02

  37. DEF 14A · Proxy statement

    Report date 2025-06-19 · 0001308179-25-000514

  38. 8-K · Current report

    Report date 2025-04-09 · 0001683168-25-002353 · Items 2.02,9.01

  39. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000027904-25-000007

  40. 8-K · Current report

    Report date 2025-03-10 · 0001683168-25-001468 · Items 7.01,9.01

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: 6 transaction rows6SGrant / award: 0 transaction rows0AExercise / conversion: 9 transaction rows9MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

15 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-05
2026-08-06
HUERTA MICHAEL PS · Sale
Disposed
Common Stock3100.094.12
2026-08-05
2026-08-06
Sear Steven MM · Exercise / conversion
Acquired
Common Stock40460.051.23
2026-08-05
2026-08-06
Sear Steven MS · Sale
Disposed
Common Stock40460.093.55
2026-08-05
2026-08-06
Sear Steven MM · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
40460.00.0
2026-08-04
2026-08-06 · Amendment
BELLEMARE ALAINM · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
35000.00.0
2026-08-04
2026-08-05
Carter Peter WM · Exercise / conversion
Acquired
Common Stock39900.049.33
2026-08-04
2026-08-05
Carter Peter WS · Sale
Disposed
Common Stock39900.092.98
2026-08-04
2026-08-05
Carter Peter WM · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
39900.00.0
2026-08-04
2026-08-05
BELLEMARE ALAINS · Sale
Disposed
Common Stock35000.092.72
2026-08-04
2026-08-05
BELLEMARE ALAINM · Exercise / conversion
Acquired
Common Stock35000.039.78
2026-08-04
2026-08-05
BELLEMARE ALAINM · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
35000.00.0
2026-08-04
2026-08-05
Bastian Edward HM · Exercise / conversion
Acquired
Common Stock206510.049.33
2026-08-04
2026-08-05
Bastian Edward HS · Sale
Disposed
Common Stock206510.092.8
2026-08-04
2026-08-05
Bastian Edward HM · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
206510.00.0
2026-08-03
2026-08-05
DEWALT DAVID GS · Sale
Disposed
Common Stock31756.090.85

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 · 0000027904DELTA AIR LINES, INC.
Endeavor AirDelta Sky Club

Showing 2 of 2 imported Wikidata subsidiary claims. Additional aliases appear below.

No parent relationship is available in this import; this is not proof of independence.

Legal Entity Identifier
Q2CCMS6R0AS67HJMBN42
GLEIF legal name
Delta Air Lines, Inc.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-01-08T15:55:22Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Delta Air Lines · alias · wikidata
  • DAL · alias · wikidata
  • Delta · alias · wikidata
  • DL · alias · wikidata
  • Delta Airlines · alias · wikidata
  • Endeavor Air · subsidiary · wikidata
  • Express Airlines I · subsidiary · wikidata
  • Northwest Express Airlines · subsidiary · wikidata
  • Pinnacle Airlines · subsidiary · wikidata
  • Delta Connection · subsidiary · wikidata
  • Endeavor Air, Inc. · subsidiary · wikidata
  • Delta Sky Club · subsidiary · wikidata
  • Sky Club · subsidiary · wikidata
  • Delta SkyClub · subsidiary · wikidata
  • SkyClub · subsidiary · wikidata
  • Crown Room · subsidiary · wikidata
  • WorldClub · subsidiary · wikidata
  • DELTA AIR LINES INC /DE/ · former SEC name · 1994-02-14 to 2019-08-08
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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$61.64B$66.21B
2023-12-31$58.05B$64.19B
2022-12-31$50.58B$58.23B
2021-12-31$29.90B$37.17B
2020-12-31$17.09B$22.26B
2019-12-31$47.01B$61.95B
2018-12-31$44.44B$59.63B
2017-12-31$41.14B$56.55B

Bureau of Labor Statistics · retrieved 2026-10-22 · 9 selected series; gaps remain missing

Explore the CPI history ↗