American Superconductor ($AMSC) Insider Trading & Smart Money Activity

American Superconductor Corporation · Specialty Industrial Machinery · Latest filing Jun 11, 2026

American Superconductor Corporation ($AMSC) has 1 insider trade on file. In the last 12 months on the open market, no insider bought and 1 insider sold ($150.52K), net -$150.52K.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
1
Net insider $ (12 mo)
-$150.52K
Congress trades (12 mo)
0
13F moves on file
0
Analyst ratings on file
0

AMSC insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 1 · $150.52K 0 / 0 0 / 0
Q3 2026 0 0 0 / 0 0 / 0
Q4 2026 0 0 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All AMSC insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Insider Laura Dambier Sell (Open-market sale) 4K sh $150.52K —

1W / 1M / 6M = how AMSC moved from the trade or filing date.

Insider trading in AMSC: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Laura Dambier 1 -$150.52K Jun 11, 2026

Frequently asked questions

Are AMSC insiders buying or selling?

Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 1 insider made 1 open-market sale worth $150.52K, a net -$150.52K.

What is the latest insider trade in AMSC?

Laura Dambier filed a sell (open-market sale) of 4K sh worth $150.52K on Jun 11, 2026.

Other specialty industrial machinery stocks

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

Get trade alerts by text