TickerFacts.

A business in context

ALGM 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 2026-08-17 · 0001193125-26-355476

  2. 4 · Ownership change

    Report date 2026-08-10 · 0001193125-26-346892

  3. 8-K · Current report

    Report date 2026-08-05 · 0001193125-26-339226 · Items 5.07,9.01

  4. 4 · Ownership change

    Report date 2026-08-05 · 0001193125-26-339123

  5. 4 · Ownership change

    Report date 2026-08-05 · 0001193125-26-339121

  6. 4 · Ownership change

    Report date 2026-08-05 · 0001193125-26-339114

  7. 4 · Ownership change

    Report date 2026-08-05 · 0001193125-26-339105

  8. 4 · Ownership change

    Report date 2026-08-05 · 0001193125-26-339103

  9. 4 · Ownership change

    Report date 2026-08-05 · 0001193125-26-339102

  10. 10-Q · Quarterly report

    Report date 2026-06-26 · 0001193125-26-327128

  11. 8-K · Current report

    Report date 2026-07-30 · 0001193125-26-324869 · Items 2.02,9.01

  12. DEF 14A · Proxy statement

    Report date 2026-08-05 · 0001193125-26-280254

  13. 8-K · Current report

    Report date 2026-06-17 · 0001193125-26-275011 · Items 5.02,7.01,9.01

  14. 10-K · Annual report

    Report date 2026-03-27 · 0001193125-26-233537

  15. 8-K · Current report

    Report date 2026-05-11 · 0001193125-26-221635 · Items 5.02,7.01,9.01

  16. 8-K · Current report

    Report date 2026-05-07 · 0001193125-26-210309 · Items 2.02,9.01

  17. 10-Q · Quarterly report

    Report date 2025-12-26 · 0001193125-26-030636

  18. 8-K · Current report

    Report date 2026-01-29 · 0001193125-26-028160 · Items 2.02,9.01

  19. 8-K · Current report

    Report date 2026-01-21 · 0001193125-26-018091 · Items 1.01,2.03,9.01

  20. 8-K · Current report

    Report date 2026-01-15 · 0001193125-26-014666 · Items 7.01,9.01

  21. 10-Q · Quarterly report

    Report date 2025-09-26 · 0001193125-25-259807

  22. 8-K · Current report

    Report date 2025-10-30 · 0001193125-25-257395 · Items 2.02,9.01

  23. 8-K · Current report

    Report date 2025-08-07 · 0000950170-25-105827 · Items 5.07,9.01

  24. 10-Q · Quarterly report

    Report date 2025-06-27 · 0000950170-25-101117

  25. 8-K · Current report

    Report date 2025-07-31 · 0000950170-25-100554 · Items 2.02,9.01

  26. DEF 14A · Proxy statement

    Report date 2025-08-07 · 0000950170-25-089734

  27. 10-K · Annual report

    Report date 2025-03-28 · 0000950170-25-076059

  28. 8-K · Current report

    Report date 2025-05-08 · 0000950170-25-066360 · Items 2.02,9.01

  29. 8-K · Current report

    Report date 2025-03-12 · 0000950170-25-037637 · Items 5.02,9.01

  30. 8-K · Current report

    Report date 2025-02-24 · 0000950103-25-002318 · Items 5.02,9.01

  31. 8-K · Current report

    Report date 2025-02-06 · 0000950170-25-015395 · Items 1.01,2.03,9.01

  32. 8-K · Current report

    Report date 2025-01-31 · 0000950170-25-012020 · Items 5.02,7.01,9.01

  33. 10-Q · Quarterly report

    Report date 2024-12-27 · 0000950170-25-011434

  34. 8-K · Current report

    Report date 2025-01-30 · 0000950170-25-010785 · Items 2.02,9.01

  35. 8-K · Current report

    Report date 2025-01-09 · 0000950170-25-003826 · Items 7.01,9.01

  36. 8-K · Current report

    Report date 2025-01-06 · 0000950170-25-001662 · Items 7.01,9.01

  37. 8-K · Current report

    Report date 2024-12-23 · 0000950170-24-139583 · Items 5.02,9.01

  38. SC 13G/A · Ownership disclosure

    0000932471-24-000833

  39. SC 13G/A · Ownership disclosure

    0000315066-24-002630

  40. SC 13G · Ownership disclosure

    0002012383-24-004106

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: 7 transaction rows7SGrant / award: 14 transaction rows14AExercise / conversion: 0 transaction rows0MTax / exercise payment: 8 transaction rows8FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

29 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-17
2026-06-18
WHITE BRIAN CA · Grant / award
Acquired
Common Stock594.00.0
2026-06-03
2026-06-04
Madormo RichardS · Sale
Disposed
Common Stock5000.052.72
2026-05-22
2026-05-26
Coleman TroyS · Sale
Disposed
Common Stock4500.045.72
2026-05-21
2026-05-22
Webster Roald GrahamS · Sale
Disposed
Common Stock5217.044.89
2026-05-18
2026-05-19
Kent IanS · Sale
Disposed
Common Stock2642.041.56
2026-05-16
2026-05-19
Kent IanF · Tax / exercise payment
Disposed
Common Stock2345.043.1
2026-05-16
2026-05-19
Hagen ErinF · Tax / exercise payment
Disposed
Common Stock5815.043.1
2026-05-16
2026-05-19
D'Antilio DerekF · Tax / exercise payment
Disposed
Common Stock37840.043.1
2026-05-16
2026-05-19
Madormo RichardF · Tax / exercise payment
Disposed
Common Stock5439.043.1
2026-05-16
2026-05-19
Webster Roald GrahamF · Tax / exercise payment
Disposed
Common Stock4277.043.1
2026-05-16
2026-05-19
Doogue MichaelF · Tax / exercise payment
Disposed
Common Stock60508.043.1
2026-05-16
2026-05-19
Briansky SharonF · Tax / exercise payment
Disposed
Common Stock13942.043.1
2026-05-16
2026-05-19
Coleman TroyF · Tax / exercise payment
Disposed
Common Stock9670.043.1
2026-05-14
2026-05-15
Lynch Susan DS · Sale
Disposed
Common Stock16711.045.46
2026-05-13
2026-05-15
Willett RobertA · Grant / award
Acquired
Common Stock1094.00.0
2026-05-13
2026-05-15
Kent IanA · Grant / award
Acquired
Common Stock8492.00.0
2026-05-13
2026-05-15
D'Antilio DerekA · Grant / award
Acquired
Common Stock30438.00.0
2026-05-13
2026-05-15
D'Antilio DerekA · Grant / award
Acquired
Common Stock29439.00.0
2026-05-13
2026-05-15
Madormo RichardA · Grant / award
Acquired
Common Stock19815.00.0
2026-05-13
2026-05-15
Briansky SharonA · Grant / award
Acquired
Common Stock2611.00.0
2026-05-13
2026-05-15
Briansky SharonA · Grant / award
Acquired
Common Stock15852.00.0
2026-05-13
2026-05-15
Coleman TroyA · Grant / award
Acquired
Common Stock18116.00.0
2026-05-13
2026-05-15
Doogue MichaelA · Grant / award
Acquired
Common Stock83700.00.0
2026-05-13
2026-05-15
Doogue MichaelA · Grant / award
Acquired
Common Stock77135.00.0
2026-05-13
2026-05-15
Hagen ErinA · Grant / award
Acquired
Common Stock9058.00.0
2026-05-13
2026-05-15
Webster Roald GrahamA · Grant / award
Acquired
Common Stock544.00.0
2026-05-13
2026-05-15
Webster Roald GrahamA · Grant / award
Acquired
Common Stock4756.00.0
2026-05-11
2026-05-13
Briansky SharonS · Sale
Disposed
Common Stock8948.047.54
2026-05-11
2026-05-13
Doogue MichaelS · Sale
Disposed
Common Stock30089.047.23

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 · 0000866291ALLEGRO MICROSYSTEMS, INC.
Allegro MicroSystems Europe

Showing 1 of 1 imported Wikidata subsidiary claims. Additional aliases appear below.

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

Search names and former names

View Wikidata identity and references ↗

  • Allegro MicroSystems · alias · wikidata
  • Allegro MicroSystems Europe · subsidiary · wikidata
  • Allegro MicroSystems Europe Limited · subsidiary · wikidata
  • ALLEGRO MICROSYSTEMS, INC. · former SEC name · 2020-08-27 to 2026-08-18
  • ALLEGRO MICROSYSTEMS INC · former SEC name · 2007-08-08 to 2020-10-21
Explore headquarters map ↗

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
2025-03-28$725.01M$766.73M
2024-03-29$1.05B$1.14B
2023-03-31$973.65M$1.10B
2022-03-25$768.67M$930.50M
2021-03-26$591.21M$759.46M
2020-03-27$650.09M$844.77M

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

Explore the CPI history ↗