TickerFacts.

A business in context

AMPX research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-08 · 8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-08-21 · 0002067233-26-000019

  2. 4 · Ownership change

    Report date 2026-08-21 · 0001940928-26-000024

  3. 4 · Ownership change

    Report date 2026-08-21 · 0001476220-26-000034

  4. 8-K · Current report

    Report date 2026-08-07 · 0001899287-26-000062 · Items 1.01,2.03,9.01

  5. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001899287-26-000059

  6. 8-K · Current report

    Report date 2026-08-04 · 0001899287-26-000056 · Items 2.02,9.01

  7. 8-K · Current report

    Report date 2026-06-11 · 0001899287-26-000053 · Items 5.07

  8. 4 · Ownership change

    Report date 2026-06-12 · 0001517394-26-000003

  9. 4 · Ownership change

    Report date 2026-06-12 · 0001296381-26-000005

  10. 4 · Ownership change

    Report date 2026-06-12 · 0001230569-26-000005

  11. 4 · Ownership change

    Report date 2026-06-12 · 0001045434-26-000009

  12. 4 · Ownership change

    Report date 2026-06-09 · 0001045434-26-000007

  13. 8-K/A · Current report

    Report date 2026-05-06 · 0001899287-26-000051 · Items 3.02

  14. 8-K · Current report

    Report date 2026-05-06 · 0001899287-26-000047 · Items 1.01,3.02,9.01

  15. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001899287-26-000045

  16. 8-K · Current report

    Report date 2026-05-06 · 0001899287-26-000037 · Items 2.02,9.01

  17. DEF 14A · Proxy statement

    Report date 2026-06-11 · 0001899287-26-000026

  18. 8-K · Current report

    Report date 2026-04-17 · 0001899287-26-000022 · Items 4.01

  19. 10-K · Annual report

    Report date 2025-12-31 · 0001899287-26-000015

  20. 8-K · Current report

    Report date 2026-03-04 · 0001899287-26-000009 · Items 2.02,9.01

  21. 8-K · Current report

    Report date 2026-01-30 · 0001899287-26-000005 · Items 1.02

  22. 8-K · Current report

    Report date 2026-01-12 · 0001899287-26-000003 · Items 8.01

  23. 8-K · Current report

    Report date 2025-12-18 · 0001899287-25-000048 · Items 5.02

  24. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001628280-25-050308

  25. 8-K · Current report

    Report date 2025-11-06 · 0001628280-25-050172 · Items 2.02,9.01

  26. 8-K · Current report

    Report date 2025-10-06 · 0001899287-25-000045 · Items 5.02

  27. 8-K · Current report

    Report date 2025-09-02 · 0001899287-25-000044 · Items 5.02

  28. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001628280-25-038983

  29. 8-K · Current report

    Report date 2025-08-07 · 0001628280-25-038899 · Items 2.02,9.01

  30. 8-K · Current report

    Report date 2025-06-12 · 0001899287-25-000041 · Items 5.07

  31. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001899287-25-000040

  32. 8-K · Current report

    Report date 2025-05-08 · 0001899287-25-000038 · Items 2.02,9.01

  33. DEF 14A · Proxy statement

    Report date 2025-06-12 · 0001899287-25-000026

  34. 8-K · Current report

    Report date 2025-04-22 · 0001899287-25-000020 · Items 5.02

  35. 10-K · Annual report

    Report date 2024-12-31 · 0001899287-25-000012

  36. 8-K · Current report

    Report date 2025-03-20 · 0001899287-25-000010 · Items 2.02,9.01

  37. 8-K · Current report

    Report date 2025-03-04 · 0001899287-25-000002 · Items 2.02,9.01

  38. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001899287-24-000088

  39. 8-K · Current report

    Report date 2024-11-07 · 0001899287-24-000085 · Items 2.02,9.01

  40. 8-K · Current report

    Report date 2024-11-01 · 0001899287-24-000078 · Items 8.01

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: 12 transaction rows12SGrant / award: 6 transaction rows6AExercise / conversion: 4 transaction rows4MTax / exercise payment: 0 transaction rows0FGift: 3 transaction rows3G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

25 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-15
2026-06-16
DIXON DONALD RS · Sale
Disposed
Common stock85000.017.17
2026-06-12
2026-06-16
SATTERTHWAITE LIVINGSTONA · Grant / award
Acquired
Common stock10423.00.0
2026-06-12
2026-06-16
Chu StevenA · Grant / award
Acquired
Common stock10423.00.0
2026-06-12
2026-06-16
BAYLESS KATHLEEN AA · Grant / award
Acquired
Common stock10423.00.0
2026-06-12
2026-06-16
DIXON DONALD RA · Grant / award
Acquired
Common stock10423.00.0
2026-06-09
2026-06-11
DIXON DONALD RS · Sale
Disposed
Common stock40000.019.13
2026-06-04
2026-06-05
Stepien Thomas MG · Gift
Acquired
Common stock36914.00.0
2026-06-04
2026-06-05
Stepien Thomas MS · Sale
Disposed
Common stock2000.020.97
2026-06-04
2026-06-05
Stepien Thomas MG · Gift
Disposed
Common stock30384.00.0
2026-06-04
2026-06-05
Stepien Thomas MG · Gift
Disposed
Common stock36914.00.0
2026-05-27
2026-05-28
Stepien Thomas MS · Sale
Disposed
Common stock4375.017.19
2026-05-27
2026-05-28
Stefan Constantin IonelS · Sale
Disposed
Common stock3208.017.19
2026-05-27
2026-05-28
Sun KangS · Sale
Disposed
Common stock356.017.19
2026-05-26
2026-05-28
DIXON DONALD RS · Sale
Disposed
Common stock17895.017.9
2026-05-21
2026-05-26
Stepien Thomas MS · Sale
Disposed
Common stock60702.014.79
2026-05-21
2026-05-26
Stefan Constantin IonelS · Sale
Disposed
Common stock28812.014.79
2026-05-21
2026-05-26
Sun KangS · Sale
Disposed
Common stock67796.014.79
2026-05-05
2026-05-07
Sun KangA · Grant / award
Acquired
Common stock6250.00.0
2026-04-01
2026-04-02
Sun KangS · Sale
Disposed
Common stock1250963.015.73
2026-04-01
2026-04-02
Sun KangM · Exercise / conversion
Acquired
Common stock187495.03.68
2026-04-01
2026-04-02
Sun KangM · Exercise / conversion
Acquired
Common stock1312505.01.78
2026-04-01
2026-04-02
Sun KangS · Sale
Disposed
Common stock249037.016.78
2026-04-01
2026-04-02
Sun KangM · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
1312505.01.78
2026-04-01
2026-04-02
Sun KangM · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
187495.03.68
2025-12-19
2026-05-07 · Amendment
Stepien Thomas MA · Grant / award
Acquired
Common stock200000.00.0

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 · 0001899287Amprius Technologies, Inc.

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
  • Kensington Capital Acquisition Corp. IV · former SEC name · 2021-12-15 to 2022-09-14

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$24.17M$25.72M
2023-12-31$9.05M$9.92M
2022-12-31$4.41M$5.03M
2021-12-31$2.77M$3.42M

Bureau of Labor Statistics · retrieved 2026-09-08 · 9 selected series; gaps remain missing

Explore the CPI history ↗