TOP TIERMARKET NEWSWIRE
SEC Form 4 history

AMERICAN SUPERCONDUC (AMSC) insider trades

AMERICAN SUPERCONDUC (AMSC) insider trading activity (SEC Form 4). Over the trailing 90 days, AMSC insiders filed 0 purchases totalling $0 and 7 sales totalling $7.8M — net SELLING of $7.8M. Most recent filing: Jun 12, 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)
7
$7.8M
Net (90d)
-$7.8M
net selling
Most recent
Jun 12, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Jun 12, 2026Dambier Laura A.DirS Sale—$37.63$151Kfiling
Jun 11, 2026Kosiba John W JrSVP, CFO, TreasurerS Sale—$37.46$254Kfiling
Jun 11, 2026McGahn Daniel PCOB, Pres, CEOS Sale—$37.45$604Kfiling
Jun 10, 2026Kosiba John W JrSVP, CFO, TreasurerS Sale—$41.77$202Kfiling
Jun 10, 2026McGahn Daniel PCOB, Pres, CEOS Sale—$41.78$404Kfiling
Jun 3, 2026Kosiba John W JrSVP, CFO, TreasurerS Sale—$50.45$1.9Mfiling
Jun 3, 2026McGahn Daniel PCOB, Pres, CEOS Sale—$50.49$4.3Mfiling