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SEC Form 4 history

CSTM (CSTM) insider trades

CSTM insider trading activity (SEC Form 4). Over the trailing 90 days, CSTM insiders filed 1 purchases totalling $85K and 5 sales totalling $1.6M — net SELLING of $1.5M. Most recent filing: Jun 1, 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.

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Buys (90d)
1
$85K
Sells (90d)
5
$1.6M
Net (90d)
-$1.5M
net selling
Most recent
Jun 1, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Jun 1, 2026Becker MarcusS Sale—$34.93$363Kfiling
May 18, 2026Jarrett MartinS Sale—$33.46$158Kfiling
May 18, 2026Soultz Bradley LeeP Purchase—$33.84$85Kfiling
May 13, 2026Piquier LudovicS Sale—$33.57$34Kfiling
May 12, 2026Brun NicolasS Sale—$33.85$902Kfiling
May 12, 2026Corre StephaneS Sale—$33.52$168Kfiling