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PRLB research notebook

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

  1. 8-K · Current report

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

  2. 10-Q · Quarterly report

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

  3. 8-K · Current report

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

  4. 4 · Ownership change

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

  5. 4 · Ownership change

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

  6. 4 · Ownership change

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

  7. 4 · Ownership change

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

  8. 4 · Ownership change

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

  9. 4 · Ownership change

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

  10. 4 · Ownership change

    Report date 2026-05-19 · 0001628280-26-037245

  11. 4 · Ownership change

    Report date 2026-05-19 · 0001628280-26-037243

  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 2026-09-07 · 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: 8 transaction rows8SGrant / award: 8 transaction rows8AExercise / conversion: 14 transaction rows14MTax / exercise payment: 2 transaction rows2FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

32 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-02
2026-06-04
WEHRWEIN SVENS · Sale
Disposed
Common Stock1500.076.91
2026-06-02
2026-06-04
WEHRWEIN SVENS · Sale
Disposed
Common Stock500.078.38
2026-05-23
2026-05-27
Krishna SureshF · Tax / exercise payment
Disposed
Common Stock1247.071.36
2026-05-20
2026-05-22
Schumacher DanielF · Tax / exercise payment
Disposed
Common Stock255.071.13
2026-05-20
2026-05-22
Parlange BernardoA · Grant / award
Acquired
Common Stock2109.00.0
2026-05-20
2026-05-22
Parlange BernardoA · Grant / award
Acquired
Employee Stock Option (right to buy)
Derivative security
3789.00.0
2026-05-19
2026-05-21
Black Archie C.A · Grant / award
Acquired
Common Stock2210.00.0
2026-05-19
2026-05-21
Chand SujeetA · Grant / award
Acquired
Common Stock2210.00.0
2026-05-19
2026-05-21
Chin MoonhieA · Grant / award
Acquired
Common Stock2210.00.0
2026-05-19
2026-05-21
Gawlick RainerA · Grant / award
Acquired
Common Stock2210.00.0
2026-05-19
2026-05-21
WEHRWEIN SVENA · Grant / award
Acquired
Common Stock2210.00.0
2026-05-19
2026-05-21
KRANTZ DONALD GA · Grant / award
Acquired
Common Stock2210.00.0
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock1928.033.84
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock6643.070.3
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock4042.059.4
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock1613.067.58
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock4198.068.7
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock3576.069.78
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock1557.039.61
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
1928.00.0
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
1557.00.0
2026-05-12
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
4042.00.0
2026-05-11
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock3677.033.52
2026-05-11
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock7433.070.26
2026-05-11
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock3756.033.84
2026-05-11
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
3677.00.0
2026-05-11
2026-05-13
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
3756.00.0
2026-05-07
2026-05-08
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock100.033.84
2026-05-07
2026-05-08
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock100.033.52
2026-05-07
2026-05-08
Kenison Michael R.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock200.070.0
2026-05-07
2026-05-08
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
100.00.0
2026-05-07
2026-05-08
Kenison Michael R.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Employee Stock Option (right to buy)
Derivative security
100.00.0

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 · 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 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Proto Labs · alias · wikidata
  • Protolabs · 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$500.89M$533.18M
2023-12-31$503.88M$552.16M
2022-12-31$488.40M$557.17M
2021-12-31$488.10M$601.38M
2020-12-31$434.39M$560.45M
2019-12-31$458.73M$599.12M
2018-12-31$445.60M$592.52M
2017-12-31$344.49M$469.28M

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

Explore the CPI history ↗