InsiderTrades

Form 4 for AMPX Amprius Technologies, Inc.

Accepted 2026-05-28 18:10:01 ET · period of report 2026-05-26 · accession 0001045434-26-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
I 2026-05-28 18:10 2026-05-26 AMPX DIXON DONALD R Dir S - Sale $17.90 -17.9K 484.4K -4% -$320.3K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common stock 2026-05-26 S D 17,895 $17.90 484,380 I See Footnote — — (F1) On July 22, 2025, the reporting person transferred 125,000 shares of the issuer's common stock, which were previously held directly by the reporting person, to the The Dixon Revocable Trust, for which the reporting person and his spouse are co-trustees. (F2) These securities are held directly by The Dixon Revocable Trust, for which the reporting person and his spouse are co-trustees.