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
May 5, 2005 AMSC A 40,000 · · 40,000 Direct · Acquired (price as of 2026-10-02)
May 5, 2005 AMSC A 6,000 · · 14,100 Direct +74.07% Acquired (price as of 2026-10-02)
April 26, 2004 AMSC A 27,000 · · 27,000 Direct · Acquired (price as of 2026-10-02)

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
May 5, 2005 AMSC Stock Option (right to buy) Common Stock (40,000) $9.26 May 5, 2015 40,000 Acquired
April 26, 2004 AMSC Options to Purchase Common Stock (27,000) $13.94 April 26, 2014 27,000 Acquired

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

Initial ownership (Form 3) 6 holdings

07

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

DateTickerSecuritySharesOwnership
Jan. 30, 2004 AMSC Common Stock, $.01 par value per share 8,000 Direct
Jan. 30, 2004 AMSC Options to purchase→ Common Stock (19,000) 19,000 Direct
Jan. 30, 2004 AMSC Options to purchase→ Common Stock (5,000) 5,000 Direct
Jan. 30, 2004 AMSC Options to purchase→ Common Stock (4,000) 4,000 Direct
Jan. 30, 2004 AMSC Options to purchase→ Common Stock (4,000) 4,000 Direct
Jan. 30, 2004 AMSC Options to purchase→ Common Stock (4,000) 4,000 Direct