TickerFacts.

A business in context

PRLB 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. 4 · Ownership change

    Report date 2026-09-24 · 0001628280-26-063573

  2. 4 · Ownership change

    Report date 2026-09-16 · 0001628280-26-062704

  3. 8-K · Current report

    Report date 2026-08-24 · 0001443669-26-000039 · Items 7.01,9.01

  4. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001443669-26-000035

  5. 8-K · Current report

    Report date 2026-07-31 · 0001443669-26-000034 · Items 2.02,9.01

  6. 4 · Ownership change

    Report date 2026-06-02 · 0001628280-26-040863

  7. 4 · Ownership change

    Report date 2026-05-23 · 0001628280-26-038475

  8. 4 · Ownership change

    Report date 2026-05-20 · 0001628280-26-037725

  9. 4 · Ownership change

    Report date 2026-05-20 · 0001628280-26-037722

  10. 4 · Ownership change

    Report date 2026-05-19 · 0001628280-26-037251

  11. 4 · Ownership change

    Report date 2026-05-19 · 0001628280-26-037247

  12. 8-K · Current report

    Report date 2026-05-19 · 0001443669-26-000028 · Items 5.02,5.07,9.01

  13. 8-K · Current report

    Report date 2026-05-06 · 0001104659-26-056700 · Items 5.02,7.01,9.01

  14. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001443669-26-000025

  15. 8-K · Current report

    Report date 2026-05-01 · 0001443669-26-000023 · Items 2.02,9.01

  16. DEF 14A · Proxy statement

    Report date 2026-05-19 · 0001443669-26-000017

  17. 10-K · Annual report

    Report date 2025-12-31 · 0001443669-26-000010

  18. 8-K/A · Current report

    Report date 2026-02-06 · 0001443669-26-000006 · Items 2.02,9.01

  19. 8-K · Current report

    Report date 2026-02-06 · 0001443669-26-000003 · Items 2.02,9.01

  20. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001443669-25-000013

  21. 8-K · Current report

    Report date 2025-10-31 · 0001443669-25-000011 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2025-10-03 · 0001104659-25-096447 · Items 5.02,7.01,9.01

  23. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001628280-25-037024

  24. 8-K · Current report

    Report date 2025-07-31 · 0001628280-25-036811 · Items 2.02,9.01

  25. 8-K · Current report

    Report date 2025-05-24 · 0001104659-25-054901 · Items 5.02,9.01

  26. 8-K · Current report

    Report date 2025-05-20 · 0001104659-25-051610 · Items 5.02,5.07,7.01,9.01

  27. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001628280-25-021822

  28. 8-K · Current report

    Report date 2025-05-02 · 0001628280-25-021658 · Items 2.02,9.01

  29. DEF 14A · Proxy statement

    Report date 2025-05-20 · 0001628280-25-017209

  30. 10-K · Annual report

    Report date 2024-12-31 · 0001628280-25-007052

  31. 8-K · Current report

    Report date 2025-02-07 · 0001628280-25-004333 · Items 2.02,7.01,9.01

  32. SC 13G/A · Ownership disclosure

    0002012383-24-003438

  33. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001628280-24-046196

  34. 8-K · Current report

    Report date 2024-11-01 · 0001628280-24-044644 · Items 2.02,9.01

  35. 8-K · Current report

    Report date 2024-10-21 · 0001628280-24-043734 · Items 2.05,2.06

  36. SC 13G/A · Ownership disclosure

    0002012383-24-000604

  37. 8-K · Current report

    Report date 2024-10-01 · 0001628280-24-042356 · Items 5.02,9.01

  38. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001628280-24-034354

  39. 8-K · Current report

    Report date 2024-08-02 · 0001628280-24-034264 · Items 2.02,9.01

  40. 8-K · Current report

    Report date 2024-07-22 · 0001628280-24-032864 · Items 5.02

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: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

3 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-24
2026-09-25
Schumacher Daniel
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock5000.095.32
2026-09-17
2026-09-18
Schumacher Daniel
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock4900.085.21
2026-09-16
2026-09-18
Schumacher Daniel
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock100.085.0

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 · 0001443669Proto Labs Inc

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

Legal Entity Identifier
529900QHG5MGWT2WQQ09
GLEIF legal name
Proto Labs, Inc.
Entity / LEI registration status
ACTIVE / LAPSED
Reference data updated
2021-07-19T05:07:28Z

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 ↗

  • Proto Labs · alias · wikidata
  • Protolabs · 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
2024-12-31$500.89M$538.00M
2023-12-31$503.88M$557.15M
2022-12-31$488.40M$562.21M
2021-12-31$488.10M$606.83M
2020-12-31$434.39M$565.52M
2019-12-31$458.73M$604.54M
2018-12-31$445.60M$597.88M
2017-12-31$344.49M$473.52M

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

Explore the CPI history ↗