Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 11 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
Dec. 13, 2011 AMSC A 3,000 · · 118,603 Direct +2.60% Acquired (price as of 2026-10-02)
Aug. 11, 2010 AMSC A 3,000 · · 115,603 Direct +2.66% Acquired (price as of 2026-10-02)
Aug. 11, 2009 AMSC A 3,000 · · 112,603 Direct +2.74% Acquired (price as of 2026-10-02)
Aug. 12, 2008 AMSC A 3,000 · · 109,603 Direct +2.81% Acquired (price as of 2026-10-02)
July 28, 2008 AMSC M 40,000 $10.31 $412,400 106,603 Direct +60.06% Acquired -70.9% (price as of 2026-10-02)
July 28, 2008 AMSC M 40,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Aug. 8, 2007 AMSC A 5,000 · · 66,603 Direct +8.12% Acquired (price as of 2026-10-02)
Aug. 1, 2006 AMSC A 5,000 · · 61,603 Direct +8.83% Acquired (price as of 2026-10-02)
Aug. 2, 2005 AMSC A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-02)
Aug. 3, 2004 AMSC A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-02)
Oct. 6, 2003 AMSC A 10,000 · · 10,000 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
July 28, 2008 AMSC Stock Option(right to buy) Common Stock (40,000) $10.31 July 30, 2008 40,000 Disposed
Aug. 2, 2005 AMSC Options to Purchase Common Stock (10,000) $11.59 Aug. 2, 2015 10,000 Acquired
Aug. 3, 2004 AMSC Options to Purchase Common Stock (10,000) $9.38 Aug. 3, 2014 10,000 Acquired
Oct. 6, 2003 AMSC Options to Purchase Common Stock (10,000) $10.95 Oct. 6, 2013 10,000 Acquired

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