Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 21 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

21 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 20, 2016 AMSC S 10b5-1 10,900 $8.42 $91,778 62,806 Direct -14.79% Disposed 252.6% (price as of 2026-10-05)
June 16, 2016 AMSC S 2,325 $8.18 $19,018 0 Indirect -100.00% Disposed 262.9% (price as of 2026-10-05)
April 6, 2016 AMSC S 10b5-1 6,250 $8.26 $51,625 85,035 Direct -6.85% Disposed 259.4% (price as of 2026-10-05)
April 5, 2016 AMSC S 10b5-1 6,295 $8.15 $51,304 91,285 Direct -6.45% Disposed 264.3% (price as of 2026-10-05)
July 31, 2015 AMSC S 10b5-1 929 $5.07 $4,710 97,580 Direct -0.94% Disposed 485.6% (price as of 2026-10-05)
May 11, 2015 AMSC S 10b5-1 405 $6.47 $2,620 48,509 Direct -0.83% Disposed 358.9% (price as of 2026-10-05)
July 31, 2014 AMSC S 10b5-1 9,300 $2.02 $18,786 234,133 Direct -3.82% Disposed 47.0% (price as of 2026-10-05)
June 24, 2014 AMSC S 10b5-1 11,250 $1.49 $16,762 243,433 Direct -4.42% Disposed 99.2% (price as of 2026-10-05)
May 9, 2014 AMSC S 10b5-1 4,000 $1.27 $5,080 315,990 Direct -1.25% Disposed 133.8% (price as of 2026-10-05)
May 8, 2014 AMSC S 10b5-1 4,500 $6.51 $29,295 48,913 Direct -8.42% Disposed -54.4% (price as of 2026-10-05)
May 8, 2013 AMSC S 10b5-1 5,760 $2.53 $14,573 257,990 Direct -2.18% Disposed 17.3% (price as of 2026-10-05)
May 10, 2012 AMSC S 10b5-1 2,200 $4.12 $9,064 80,750 Direct -2.65% Disposed -27.9% (price as of 2026-10-05)
May 13, 2011 AMSC S 10b5-1 11,600 $11.49 $133,284 57,950 Direct -16.68% Disposed -74.2% (price as of 2026-10-05)
Oct. 6, 2010 AMSC S 10b5-1 8,000 $36.05 $288,400 69,550 Direct -10.32% Disposed -91.8% (price as of 2026-10-05)
July 12, 2010 AMSC S 10b5-1 7,500 $28.15 $211,125 67,550 Direct -9.99% Disposed -89.5% (price as of 2026-10-05)
May 13, 2010 AMSC S 10b5-1 750 $30.68 $23,010 75,050 Direct -0.99% Disposed -90.3% (price as of 2026-10-05)
Feb. 5, 2010 AMSC S 10b5-1 17,500 $31.72 $555,100 66,800 Direct -20.76% Disposed -90.6% (price as of 2026-10-05)
Nov. 27, 2009 AMSC S 10b5-1 3,000 $33.00 $99,000 84,300 Direct -3.44% Disposed -91.0% (price as of 2026-10-05)
July 1, 2009 AMSC S 10b5-1 3,800 $27.00 $102,600 87,300 Direct -4.17% Disposed -89.0% (price as of 2026-10-05)
July 18, 2008 AMSC S 10b5-1 2,000 $33.20 $66,400 86,000 Direct -2.27% Disposed -91.1% (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 31, 2013 AMSC Stock Option (Right to buy) Common Stock (100,000) $2.51 July 31, 2023 100,000 Acquired
May 9, 2012 AMSC Stock Option(Right to buy) Common Stock (40,000) $4.09 May 9, 2022 40,000 Acquired
Sept. 26, 2011 AMSC Stock Option (Right to buy) Common Stock (42,000) $4.66 June 24, 2021 42,000 Acquired
Oct. 6, 2010 AMSC Stock Option (Right to buy) Common Stock (10,000) $21.87 July 9, 2017 10,000 Disposed
May 12, 2010 AMSC Stock Option (Right to buy) Common Stock (15,000) $29.24 May 12, 2020 15,000 Acquired
May 12, 2009 AMSC Stock Option(Right to buy) Common Stock (21,000) $25.29 May 12, 2019 21,000 Acquired
July 9, 2007 AMSC Stock Option (Right to buy) Common Stock (90,000) $21.87 July 9, 2017 90,000 Acquired

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