A business in context

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

  1. 4 · Ownership change

    Report date 2026-08-17 · 0001193125-26-357054

  2. 4/A · Ownership change

    Report date 2026-08-11 · 0001193125-26-349759

  3. 4 · Ownership change

    Report date 2026-08-11 · 0001193125-26-349516

  4. 10-Q · Quarterly report

    Report date 2026-07-04 · 0001628280-26-053776

  5. 8-K · Current report

    Report date 2026-08-06 · 0001628280-26-053775 · Items 2.02,9.01

  6. 4 · Ownership change

    Report date 2026-06-11 · 0001193125-26-268037

  7. 4 · Ownership change

    Report date 2026-05-28 · 0001193125-26-248695

  8. 4 · Ownership change

    Report date 2026-05-28 · 0001193125-26-248674

  9. 4 · Ownership change

    Report date 2026-05-27 · 0001193125-26-248650

  10. 4 · Ownership change

    Report date 2026-05-27 · 0001193125-26-248636

  11. 10-Q · Quarterly report

    Report date 2026-04-04 · 0001628280-26-033836

  12. 8-K · Current report

    Report date 2026-05-12 · 0001628280-26-033833 · Items 2.02,9.01

  13. 10-K/A · Annual report

    Report date 2025-12-31 · 0001628280-26-032536

  14. 8-K · Current report

    Report date 2026-05-04 · 0001193125-26-204253 · Items 5.02,7.01,9.01

  15. 8-K · Current report

    Report date 2026-05-01 · 0001193125-26-201719 · Items 4.02

  16. 8-K · Current report

    Report date 2026-04-29 · 0001193125-26-197612 · Items 5.07,9.01

  17. DEF 14A · Proxy statement

    Report date 2026-04-29 · 0001308179-26-000067

  18. 10-K · Annual report

    Report date 2025-12-31 · 0001628280-26-011952

  19. 8-K · Current report

    Report date 2026-02-26 · 0001628280-26-011949 · Items 2.02,9.01

  20. 8-K · Current report

    Report date 2026-01-07 · 0001193125-26-009036 · Items 7.01

  21. 8-K · Current report

    Report date 2025-11-24 · 0001193125-25-303948 · Items 1.01,2.03,8.01,9.01

  22. 8-K · Current report

    Report date 2025-11-06 · 0001628280-25-049826 · Items 2.02,9.01

  23. 10-Q · Quarterly report

    Report date 2025-09-27 · 0001628280-25-049803

  24. 8-K · Current report

    Report date 2025-10-03 · 0001193125-25-235908 · Items 1.01,7.01,9.01

  25. 10-Q · Quarterly report

    Report date 2025-06-28 · 0000030305-25-000008

  26. 8-K · Current report

    Report date 2025-08-07 · 0000030305-25-000006 · Items 2.02,9.01

  27. 10-Q · Quarterly report

    Report date 2025-03-29 · 0001628280-25-022383

  28. 8-K · Current report

    Report date 2025-05-06 · 0001628280-25-022382 · Items 2.02,9.01

  29. 8-K · Current report

    Report date 2025-04-30 · 0001193125-25-111652 · Items 5.07,9.01

  30. DEF 14A · Proxy statement

    Report date 2025-04-30 · 0001308179-25-000140

  31. 10-K · Annual report

    Report date 2024-12-31 · 0001628280-25-008401

  32. 8-K · Current report

    Report date 2025-02-27 · 0001628280-25-008397 · Items 2.02,9.01

  33. SC 13D/A · Ownership disclosure

    0001493152-24-044938

  34. 10-Q · Quarterly report

    Report date 2024-09-28 · 0001628280-24-045949

  35. 8-K · Current report

    Report date 2024-11-07 · 0001628280-24-045940 · Items 2.02,9.01

  36. 8-K · Current report

    Report date 2024-11-05 · 0001193125-24-252550 · Items 5.02,5.03,7.01,9.01

  37. 10-Q · Quarterly report

    Report date 2024-06-29 · 0001628280-24-035846

  38. 8-K · Current report

    Report date 2024-08-08 · 0001628280-24-035845 · Items 2.02,9.01

  39. 8-K · Current report

    Report date 2024-07-25 · 0001193125-24-184043 · Items 7.01,9.01

  40. 8-K · Current report

    Report date 2024-07-18 · 0001193125-24-180700 · 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: 0 transaction rows0PSale: 3 transaction rows3SGrant / award: 0 transaction rows0AExercise / conversion: 6 transaction rows6MTax / exercise payment: 3 transaction rows3FGift: 2 transaction rows2G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

14 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-18
2026-08-19
Oswald Stephen GS · Sale
Disposed
Common Stock2500.0203.95
2026-08-17
2026-08-19
Oswald Stephen GF · Tax / exercise payment
Disposed
Common Stock6111.0206.98
2026-08-17
2026-08-19
Oswald Stephen GM · Exercise / conversion
Acquired
Common Stock10000.032.9
2026-08-17
2026-08-19
Oswald Stephen GM · Exercise / conversion
Disposed
Option - Right to Buy
Derivative security
10000.00.0
2026-08-12
2026-08-13 · Amendment
Oswald Stephen GG · Gift
Disposed
Common Stock3400.00.0
2026-08-12
2026-08-13 · Amendment
Oswald Stephen GS · Sale
Disposed
Common Stock5766.0201.15
2026-08-12
2026-08-13
Oswald Stephen GG · Gift
Disposed
Common Stock2244.00.0
2026-08-12
2026-08-13
Oswald Stephen GS · Sale
Disposed
Common Stock5766.0201.15
2026-08-11
2026-08-13 · Amendment
Oswald Stephen GF · Tax / exercise payment
Disposed
Common Stock9234.0194.85
2026-08-11
2026-08-13 · Amendment
Oswald Stephen GM · Exercise / conversion
Acquired
Common Stock15000.032.9
2026-08-11
2026-08-13 · Amendment
Oswald Stephen GM · Exercise / conversion
Disposed
Option - Right to Buy
Derivative security
15000.00.0
2026-08-11
2026-08-13
Oswald Stephen GF · Tax / exercise payment
Disposed
Common Stock9234.0194.85
2026-08-11
2026-08-13
Oswald Stephen GM · Exercise / conversion
Acquired
Common Stock15000.032.9
2026-08-11
2026-08-13
Oswald Stephen GM · Exercise / conversion
Disposed
Option - Right to Buy
Derivative security
15000.00.0

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 · 0000030305DUCOMMUN INC /DE/

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

    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$786.44M$844.71M
    2023-12-31$756.99M$837.03M
    2022-12-31$712.54M$820.23M
    2021-12-31$645.41M$802.41M
    2020-12-31$628.94M$818.80M
    2019-12-31$721.09M$950.29M
    2018-12-31$629.31M$844.38M
    2017-12-31$558.18M$767.26M

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

    Explore the CPI history ↗