TOP TIERMARKET NEWSWIRE
SEC Form 4 history

AMPRIUS TECHNOLOGIES (AMPX) insider trades

AMPRIUS TECHNOLOGIES (AMPX) insider trading activity (SEC Form 4). Over the trailing 90 days, AMPX insiders filed 0 purchases totalling $0 and 10 sales totalling $5.0M — net SELLING of $5.0M. Most recent filing: Jun 16, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

Public view, delayed 4h. Real-time alerting on insider filings is a Pro feature.Open in the live terminal →
Buys (90d)
0
$0
Sells (90d)
10
$5.0M
Net (90d)
-$5.0M
net selling
Most recent
Jun 16, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Jun 16, 2026Dixon Donald RDirS Sale—$17.17$1.5Mfiling
Jun 11, 2026Dixon Donald RDirS Sale—$19.13$765Kfiling
Jun 5, 2026Stepien Thomas MCEOS Sale—$20.97$42Kfiling
May 28, 2026Sun KangDirS Sale—$17.19$6Kfiling
May 28, 2026Stepien Thomas MCEOS Sale—$17.19$75Kfiling
May 28, 2026Stefan Constantin IonelCTOS Sale—$17.19$55Kfiling
May 28, 2026Dixon Donald RDirS Sale—$17.90$320Kfiling
May 26, 2026Stefan Constantin IonelCTOS Sale—$14.79$426Kfiling
May 26, 2026Sun KangDirS Sale—$14.79$1.0Mfiling
May 26, 2026Stepien Thomas MCEOS Sale—$14.79$898Kfiling