Issuer · CIK 0000880807
AMSC — AMERICAN SUPERCONDUCTOR CORP /DE/
⚡ SELL CLUSTER · last 7 days
3 insiders sold $681.1K of $AMSC between Jun 10, 2026 and Jun 12, 2026.
Cluster patterns historically carry stronger directional signal than any single insider trade. Read the methodology →
Dambier Laura A.
director
$150.5K
Jun 12, 2026
Kosiba John W JR
SVP, CFO & Treasurer
$187.6K
Jun 11, 2026
Kosiba John W JR
SVP, CFO & Treasurer
$136.4K
Jun 10, 2026
McGahn Daniel P
Chairman, President and CEO
$206.6K
Jun 10, 2026
Recent filings
- Jun 12, 2026·Form 4·Sell$150.5K
AMSC/AMERICAN SUPERCONDUCTOR CORP /DE/
Dambier Laura A. · director
Mechanical filing
AI thesis skipped - Jun 11, 2026·Form 4·Sell$187.6K
AMSC/AMERICAN SUPERCONDUCTOR CORP /DE/
Kosiba John W JR · SVP, CFO & Treasurer
38conviction - Jun 10, 2026·Form 4·Sell$136.4K
AMSC/AMERICAN SUPERCONDUCTOR CORP /DE/
Kosiba John W JR · SVP, CFO & Treasurer
Mechanical filing
AI thesis skipped - Jun 10, 2026·Form 4·Sell$206.6K
AMSC/AMERICAN SUPERCONDUCTOR CORP /DE/
McGahn Daniel P · Chairman, President and CEO
Mechanical filing
AI thesis skipped - Jun 3, 2026·Form 4·Sell$1.5M
AMSC/AMERICAN SUPERCONDUCTOR CORP /DE/
McGahn Daniel P · Chairman, President and CEO
Mechanical filing
AI thesis skipped