Dambier Laura A. 4

What Happened

• Laura A. Dambier, a director of American Superconductor Corp. (AMSC), reported the sale of 4,000 shares on 2026-06-11. The shares were disposed at $37.63 per share for a total proceeds value of $150,520. The sale is reported as an open-market or private sale (transaction code S), which is a sale of existing shares rather than a purchase or option exercise. Sales are often routine and do not necessarily indicate a change in sentiment.

Key Details

• Transaction date: 2026-06-11; Filing date (Form 4): 2026-06-12 (timely filing).
• Price and amount: 4,000 shares sold at $37.63 per share; total proceeds $150,520.
• Shares held after transaction: 14,992 shares directly (per footnote).
• Notable footnotes: F1 — the sale was made for tax planning purposes; F2 — confirms the 14,992 shares remaining after the transaction.
• Transaction type: S = Sale (open-market or private sale). No options exercised, no awards, and no indication of a 10% owner.

Context

• This was a straight sale of existing shares; such insider sales are common for liquidity or tax reasons (the filing specifically cites tax planning). Because the filing was made the next day, it appears timely under normal reporting expectations. Purchases typically attract more interest as potential bullish signals; this filing documents a routine disposal of shares.