A business in context

FSS research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-07 · 8010 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-08-04 · 0001628280-26-054191

  2. 4 · Ownership change

    Report date 2026-08-03 · 0001628280-26-053640

  3. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001628280-26-050993

  4. 4 · Ownership change

    Report date 2026-06-26 · 0001628280-26-045921

  5. 4 · Ownership change

    Report date 2026-06-26 · 0001628280-26-045918

  6. 8-K · Current report

    Report date 2026-05-20 · 0001628280-26-036817 · Items 7.01,9.01

  7. 4 · Ownership change

    Report date 2026-05-01 · 0001628280-26-030713

  8. 4 · Ownership change

    Report date 2026-05-04 · 0001628280-26-030704

  9. 4 · Ownership change

    Report date 2026-05-04 · 0001628280-26-030703

  10. 4 · Ownership change

    Report date 2026-05-04 · 0001628280-26-030700

  11. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-028312

  12. 8-K · Current report

    Report date 2026-04-21 · 0001628280-26-026450 · Items 5.07,9.01

  13. DEF 14A · Proxy statement

    Report date 2026-03-06 · 0001628280-26-015646

  14. 8-K · Current report

    Report date 2026-03-02 · 0001628280-26-013101 · Items 7.01,9.01

  15. 8-K · Current report

    Report date 2026-02-26 · 0001628280-26-012351 · Items 5.02,9.01

  16. 10-K · Annual report

    Report date 2025-12-31 · 0001628280-26-011576

  17. 8-K · Current report

    Report date 2026-01-16 · 0001628280-26-002352 · Items 8.01,9.01

  18. 8-K · Current report

    Report date 2026-01-14 · 0001628280-26-002031 · Items 7.01,9.01

  19. 8-K · Current report

    Report date 2025-12-17 · 0001628280-25-057883 · Items 8.01,9.01

  20. 8-K · Current report

    Report date 2025-11-25 · 0001628280-25-054406 · Items 2.01,9.01

  21. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000277509-25-000049

  22. 8-K · Current report

    Report date 2025-09-24 · 0001628280-25-042691 · Items 1.01,9.01

  23. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000277509-25-000044

  24. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000277509-25-000031

  25. 8-K · Current report

    Report date 2025-04-22 · 0000277509-25-000029 · Items 5.07,8.01,9.01

  26. DEF 14A · Proxy statement

    Report date 2025-03-07 · 0000277509-25-000017

  27. 10-K · Annual report

    Report date 2024-12-31 · 0000277509-25-000012

  28. 8-K · Current report

    Report date 2025-02-12 · 0000277509-25-000004 · Items 8.01,9.01

  29. 10-Q · Quarterly report

    Report date 2024-09-30 · 0000277509-24-000051

  30. 8-K · Current report

    Report date 2024-10-04 · 0000277509-24-000048 · Items 8.01,9.01

  31. 10-Q · Quarterly report

    Report date 2024-06-30 · 0000277509-24-000034

  32. 10-Q · Quarterly report

    Report date 2024-03-31 · 0000277509-24-000020

  33. 8-K · Current report

    Report date 2024-04-23 · 0000277509-24-000018 · Items 5.07,9.01

  34. DEF 14A · Proxy statement

    Report date 2024-03-08 · 0000277509-24-000014

  35. 8-K · Current report

    Report date 2024-02-29 · 0000277509-24-000007 · Items 7.01,9.01

  36. 10-K · Annual report

    Report date 2023-12-31 · 0000277509-24-000005

  37. SC 13G/A · Ownership disclosure

    0001104659-24-020917

  38. SC 13G/A · Ownership disclosure

    0000315066-24-001178

  39. SC 13G/A · Ownership disclosure

    0001086364-24-001114

  40. 8-K · Current report

    Report date 2023-11-20 · 0000277509-23-000066 · Items 5.02,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: 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: 0 transaction rows0SGrant / award: 9 transaction rows9AExercise / conversion: 2 transaction rows2MTax / exercise payment: 5 transaction rows5FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

16 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-26
2026-06-29
Vaillancourt Eric A.A · Grant / award
Acquired
Common Stock96.00.0
2026-06-26
2026-06-29
Maue Richard AA · Grant / award
Acquired
Common Stock99.00.0
2026-05-04
2026-05-05
SHERMAN JENNIFER LF · Tax / exercise payment
Disposed
Common Stock7695.0117.49
2026-05-04
2026-05-05
Hudson Ian A.F · Tax / exercise payment
Disposed
Common Stock1657.0117.49
2026-05-04
2026-05-05
WEBER MARKF · Tax / exercise payment
Disposed
Common Stock2278.0117.49
2026-05-04
2026-05-05
Bonina DianeF · Tax / exercise payment
Disposed
Common Stock962.0117.49
2026-05-01
2026-05-05
SHERMAN JENNIFER LF · Tax / exercise payment
Disposed
Common Stock29680.0121.61
2026-05-01
2026-05-05
SHERMAN JENNIFER LM · Exercise / conversion
Acquired
Common Stock59242.012.66
2026-05-01
2026-05-05
SHERMAN JENNIFER LM · Exercise / conversion
Disposed
Stock Option (right-to-buy)
Derivative security
59242.00.0
2026-04-21
2026-04-23
Workman John LA · Grant / award
Acquired
Common Stock1277.00.0
2026-04-21
2026-04-23
Vaillancourt Eric A.A · Grant / award
Acquired
Common Stock1277.00.0
2026-04-21
2026-04-23
Patel ShashankA · Grant / award
Acquired
Common Stock1277.00.0
2026-04-21
2026-04-23
Maue Richard AA · Grant / award
Acquired
Common Stock1277.00.0
2026-04-21
2026-04-23
Lowe Eugene Joseph IIIA · Grant / award
Acquired
Common Stock1277.00.0
2026-04-21
2026-04-23
Helmkamp Katrina LA · Grant / award
Acquired
Common Stock1277.00.0
2026-04-21
2026-04-23
REICHELDERFER BRENDAA · Grant / award
Acquired
Common Stock1674.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 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 · 0000277509FEDERAL SIGNAL CORP /DE/

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

Legal Entity Identifier
549300RTXZRPTNP6G884
GLEIF legal name
FEDERAL SIGNAL CORPORATION
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2025-09-25T20:30:01Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Federal Signal Corporation · alias · wikidata
  • Federal Sign & Signal Corporation · alias · wikidata
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Revenue in constant purchasing power

USD revenue expressed in 2026-07 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$1.86B$1.98B
2023-12-31$1.72B$1.89B
2022-12-31$1.43B$1.64B
2021-12-31$1.21B$1.49B
2020-12-31$1.13B$1.46B
2019-12-31$1.22B$1.60B
2018-12-31$1.09B$1.45B
2017-12-31$898.50M$1.22B

Bureau of Labor Statistics · retrieved 2026-09-07 · 9 selected series; gaps remain missing

Explore the CPI history ↗