Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 3 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 26, 2006 AMSC A 18,000 · · 43,839 Direct +69.66% Acquired (price as of 2026-10-05)
July 27, 2005 AMSC A 50,000 · · 50,000 Direct · Acquired (price as of 2026-10-05)
July 27, 2005 AMSC A 12,000 · · 23,178 Direct +107.35% Acquired (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
July 27, 2005 AMSC Stock Option (right to buy) Common Stock (50,000) $11.41 July 27, 2015 50,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
July 29, 2005 AMSC Common Stock, $0.01 par value per share · Direct
July 29, 2005 AMSC Common Stock, $0.01 par value per share · Direct
July 29, 2005 AMSC Options to purchase→ Common Stock (90,000) 90,000 Direct