TickerFacts.

A business in context

WLDN 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 2026-09-22 · 0001104659-26-110002 · Items 1.01,9.01

  2. 4 · Ownership change

    Report date 2026-09-16 · 0001395188-26-000012

  3. 4 · Ownership change

    Report date 2026-09-15 · 0001395188-26-000010

  4. 4 · Ownership change

    Report date 2026-09-08 · 0001395188-26-000008

  5. 4 · Ownership change

    Report date 2026-09-03 · 0001395188-26-000006

  6. 10-Q · Quarterly report

    Report date 2026-07-03 · 0001104659-26-092196

  7. 8-K · Current report

    Report date 2026-08-06 · 0001104659-26-092028 · Items 2.02,9.01

  8. 4 · Ownership change

    Report date 2026-06-17 · 0001895686-26-000002

  9. 4 · Ownership change

    Report date 2026-06-17 · 0001701806-26-000003

  10. 4 · Ownership change

    Report date 2026-06-17 · 0001640436-26-000002

  11. 4 · Ownership change

    Report date 2026-06-17 · 0001640413-26-000004

  12. 8-K · Current report

    Report date 2026-06-17 · 0001104659-26-075795 · Items 5.02,5.07,9.01

  13. 10-Q · Quarterly report

    Report date 2026-04-03 · 0001104659-26-057350

  14. 8-K · Current report

    Report date 2026-05-07 · 0001104659-26-057151 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-06-17 · 0001104659-26-048621

  16. 10-K · Annual report

    Report date 2026-01-02 · 0001104659-26-020767

  17. 8-K · Current report

    Report date 2026-02-26 · 0001104659-26-020502 · Items 2.02,9.01

  18. 10-Q · Quarterly report

    Report date 2025-10-03 · 0001104659-25-107945

  19. 8-K · Current report

    Report date 2025-11-06 · 0001104659-25-107776 · Items 2.02,9.01

  20. 10-Q · Quarterly report

    Report date 2025-07-04 · 0001558370-25-010820

  21. 8-K · Current report

    Report date 2025-08-07 · 0001558370-25-010784 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2025-06-12 · 0001558370-25-008623 · Items 5.02,5.07,9.01

  23. 10-Q · Quarterly report

    Report date 2025-04-04 · 0001558370-25-007025

  24. 8-K · Current report

    Report date 2025-05-08 · 0001558370-25-006982 · Items 2.02,9.01

  25. DEF 14A · Proxy statement

    Report date 2025-06-12 · 0001558370-25-005014

  26. 10-K · Annual report

    Report date 2024-12-27 · 0001558370-25-002429

  27. 8-K · Current report

    Report date 2025-03-06 · 0001558370-25-002394 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2024-11-13 · 0001558370-24-015826 · Items 5.02,9.01

  29. SC 13G/A · Ownership disclosure

    0000932471-24-001292

  30. SC 13G/A · Ownership disclosure

    0001654954-24-013936

  31. SC 13G/A · Ownership disclosure

    0000932471-24-000782

  32. 10-Q · Quarterly report

    Report date 2024-09-27 · 0001558370-24-014072

  33. 8-K · Current report

    Report date 2024-10-31 · 0001558370-24-014057 · Items 2.02,9.01

  34. SC 13G/A · Ownership disclosure

    0001102598-24-000167

  35. 10-Q · Quarterly report

    Report date 2024-06-28 · 0001558370-24-010633

  36. 8-K · Current report

    Report date 2024-08-01 · 0001558370-24-010603 · Items 2.02,9.01

  37. SC 13G · Ownership disclosure

    0001654954-24-008946

  38. SC 13D/A · Ownership disclosure

    0001654954-24-008799

  39. 8-K · Current report

    Report date 2024-06-13 · 0001558370-24-009208 · Items 5.02,5.07,9.01

  40. SC 13D/A · Ownership disclosure

    0001654954-24-005572

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: 4 transaction rows4SGrant / award: 0 transaction rows0AExercise / conversion: 8 transaction rows8MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

12 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-16
2026-09-17
Brisbin Thomas DonaldM · Exercise / conversion
Acquired
Common Stock22635.016.27
2026-09-16
2026-09-17
Brisbin Thomas DonaldM · Exercise / conversion
Disposed
Stock Options (Right to Buy)
Derivative security
22635.00.0
2026-09-15
2026-09-16
Brisbin Thomas DonaldS · Sale
Disposed
Common Stock900.080.91
2026-09-15
2026-09-16
Brisbin Thomas DonaldM · Exercise / conversion
Acquired
Common Stock4905.016.27
2026-09-15
2026-09-16
Brisbin Thomas DonaldS · Sale
Disposed
Common Stock4005.079.01
2026-09-15
2026-09-16
Brisbin Thomas DonaldM · Exercise / conversion
Disposed
Stock Options (Right to Buy)
Derivative security
4905.00.0
2026-09-08
2026-09-09
Brisbin Thomas DonaldM · Exercise / conversion
Acquired
Common Stock3439.016.27
2026-09-08
2026-09-09
Brisbin Thomas DonaldS · Sale
Disposed
Common Stock3439.088.19
2026-09-08
2026-09-09
Brisbin Thomas DonaldM · Exercise / conversion
Disposed
Stock Options (Right to Buy)
Derivative security
3439.00.0
2026-09-03
2026-09-04
Brisbin Thomas DonaldS · Sale
Disposed
Common Stock58757.088.14
2026-09-03
2026-09-04
Brisbin Thomas DonaldM · Exercise / conversion
Acquired
Common Stock58757.016.27
2026-09-03
2026-09-04
Brisbin Thomas DonaldM · Exercise / conversion
Disposed
Stock Options (Right to Buy)
Derivative security
58727.00.0

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 · 0001370450Willdan Group, Inc.

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

Legal Entity Identifier
529900YQO0LF5VAEKN05
GLEIF legal name
Willdan Group, Inc.
Entity / LEI registration status
ACTIVE / LAPSED
Reference data updated
2021-07-20T05:13:49Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

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 ↗

  • Willdan Group · alias · wikidata
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
2024-12-27$565.80M$607.83M
2023-12-29$510.10M$564.09M
2022-12-30$429.14M$494.01M
2021-12-31$353.75M$439.76M
2021-01-01$390.98M$509.03M
2019-12-27$443.10M$584.06M
2018-12-28$272.25M$365.34M

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

Explore the CPI history ↗