AMPXAmprius Technologies, Inc.

Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-06-16.

Set an alert for AMPX
Insider buys (90d)
$0.00
Insider sells (90d)
$5.05M
Net flow
$-5.05M
Filings
15
Buy transactions
0
Sell transactions
10
Distinct insiders
7
Last close (cached)
$11.34
as of 2026-07-15
1d return
+2.0%
5d return
-2.1%
1m return
-30.5%

Top insiders trading AMPX (90d)

Recent transactions (19)

FiledTxn dateInsiderCodeSharesPriceValueFiling
2026-06-162026-06-12BAYLESS KATHLEEN A
Director
Grant10,423$0.00$0.00open →
2026-06-162026-06-12SATTERTHWAITE LIVINGSTON
Director
Grant10,423$0.00$0.00open →
2026-06-162026-06-12Chu Steven
Director
Grant10,423$0.00$0.00open →
2026-06-162026-06-15DIXON DONALD R
Director
Sale85,000$17.17$1.46Mopen →
2026-06-162026-06-12DIXON DONALD R
Director
Grant10,423$0.00$0.00open →
2026-06-112026-06-09DIXON DONALD R
Director
Sale40,000$19.13$765.2Kopen →
2026-06-052026-06-04Stepien Thomas M
OfficerDirector
Sale2,000$20.97$41.9Kopen →
2026-06-052026-06-04Stepien Thomas M
OfficerDirector
Gift36,914$0.00$0.00open →
2026-06-052026-06-04Stepien Thomas M
OfficerDirector
Gift36,914$0.00$0.00open →
2026-06-052026-06-04Stepien Thomas M
OfficerDirector
Gift30,384$0.00$0.00open →
2026-05-282026-05-27Sun Kang
Director
Sale356$17.19$6.1Kopen →
2026-05-282026-05-27Stepien Thomas M
OfficerDirector
Sale4,375$17.19$75.2Kopen →
2026-05-282026-05-27Stefan Constantin Ionel
Officer
Sale3,208$17.19$55.2Kopen →
2026-05-282026-05-26DIXON DONALD R
Director
Sale17,895$17.90$320.3Kopen →
2026-05-262026-05-21Sun Kang
Director
Sale67,796$14.79$1.00Mopen →
2026-05-262026-05-21Stefan Constantin Ionel
Officer
Sale28,812$14.79$426.1Kopen →
2026-05-262026-05-21Stepien Thomas M
OfficerDirector
Sale60,702$14.79$897.7Kopen →
2026-05-072025-12-19Stepien Thomas M
OfficerDirector
Grant200,000$0.00$0.00open →
2026-05-072026-05-05Sun Kang
Director
Grant6,250$0.00$0.00open →

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AMPX Insider Trading & Form 4 Activity · Watch4Insider