AMSC insider transactions

SVP, CFO & Treasurer Kosiba John W Jr sold $201,967 worth of shares (4,835 units at $41.77) as part of a pre-agreed trading plan, decreasing direct ownership by 1% to 341,146 units (SEC Form 4) to satisfy withholding tax

Chairman, President and CEO Mcgahn Daniel P sold $403,996 worth of shares (9,670 units at $41.78) as part of a pre-agreed trading plan, decreasing direct ownership by 0.84% to 1,148,046 units (SEC Form 4) to satisfy withholding tax

SVP, CFO & Treasurer Kosiba John W Jr was granted 30,000 shares and sold $1,862,034 worth of shares (36,909 units at $50.45) as part of a pre-agreed trading plan, decreasing direct ownership by 2% to 345,981 units (SEC Form 4) (withholding tax)

Chairman, President and CEO Mcgahn Daniel P was granted 60,000 shares and sold $4,313,154 worth of shares (85,418 units at $50.49) as part of a pre-agreed trading plan, decreasing direct ownership by 2% to 1,157,716 units (SEC Form 4) (tax withholding)

SEC Form 4 filed by Donnelly Terence Robert

SEC Form 4 filed by Oliver David R Jr

SEC Form 4 filed by Littlefield Barbara G.

SEC Form 4 filed by Klein Margaret D.

SEC Form 4 filed by House Arthur H

SEC Form 4 filed by Dambier Laura A.

Director Oliver David R Jr sold $6,820 worth of shares (200 units at $34.10), decreasing direct ownership by 0.33% to 60,707 units (SEC Form 4)

Director Oliver David R Jr bought $1,666 worth of shares (200 units at $8.33), increasing direct ownership by 0.33% to 60,907 units (SEC Form 4)

Director House Arthur H exercised 9,703 shares at a strike of $6.80 and sold $494,082 worth of shares (9,703 units at $50.92) (SEC Form 4)

Director Klein Margaret D. bought $2,782 worth of shares (500 units at $5.57), increasing direct ownership by 3% to 16,376 units (SEC Form 4)

Chairman, President and CEO Mcgahn Daniel P sold $5,495,526 worth of shares (100,848 units at $54.49), decreasing direct ownership by 8% to 1,183,134 units (SEC Form 4)

SVP, CFO & Treasurer Kosiba John W Jr sold $3,273,380 worth of shares (59,843 units at $54.70), decreasing direct ownership by 12% to 352,890 units (SEC Form 4)

Chairman, President and CEO Mcgahn Daniel P sold $366,242 worth of shares (12,815 units at $28.58), decreasing direct ownership by 0.99% to 1,283,982 units (SEC Form 4)

SVP, CFO & Treasurer Kosiba John W Jr sold $189,778 worth of shares (6,642 units at $28.57), decreasing direct ownership by 2% to 402,890 units (SEC Form 4)

SVP, CFO & Treasurer Kosiba John W Jr sold $151,012 worth of shares (4,744 units at $31.83), decreasing direct ownership by 1% to 409,532 units (SEC Form 4)

Chairman, President and CEO Mcgahn Daniel P sold $244,670 worth of shares (7,689 units at $31.82), decreasing direct ownership by 0.59% to 1,296,797 units (SEC Form 4)

Chairman, President and CEO Mcgahn Daniel P sold $3,236,835 worth of shares (122,655 units at $26.39), decreasing direct ownership by 9% to 1,304,486 units (SEC Form 4)

SVP, CFO & Treasurer Kosiba John W Jr sold $1,319,757 worth of shares (50,000 units at $26.40), decreasing direct ownership by 11% to 414,276 units (SEC Form 4)

SEC Form 4 filed by Director Donnelly Terence Robert

SEC Form 3 filed by new insider Donnelly Terence Robert

SVP, CFO & Treasurer Kosiba John W Jr sold $290,530 worth of shares (11,860 units at $24.50), decreasing direct ownership by 2% to 464,276 units (SEC Form 4)

Chairman, President and CEO Mcgahn Daniel P sold $313,878 worth of shares (12,815 units at $24.49), decreasing direct ownership by 0.89% to 1,427,141 units (SEC Form 4)

SVP, CFO & Treasurer Kosiba John W Jr was granted 120,000 shares, increasing direct ownership by 34% to 476,136 units (SEC Form 4)

Chairman, President and CEO Mcgahn Daniel P was granted 240,000 shares, increasing direct ownership by 20% to 1,439,956 units (SEC Form 4)

Director Oliver David R Jr was granted 2,639 shares, increasing direct ownership by 5% to 60,707 units (SEC Form 4)

Director Littlefield Barbara G. was granted 2,639 shares, increasing direct ownership by 9% to 32,311 units (SEC Form 4)

Director Klein Margaret D. was granted 2,639 shares, increasing direct ownership by 20% to 15,876 units (SEC Form 4)

Director House Arthur H was granted 2,639 shares, increasing direct ownership by 6% to 48,663 units (SEC Form 4)

Director Dambier Laura A. was granted 2,639 shares, increasing direct ownership by 20% to 15,876 units (SEC Form 4)

SVP, CFO & Treasurer Kosiba John W Jr sold $1,414,095 worth of shares (50,000 units at $28.28), decreasing direct ownership by 12% to 356,136 units (SEC Form 4)

Chairman, President and CEO Mcgahn Daniel P was granted 180,000 shares, increasing direct ownership by 18% to 1,199,956 units (SEC Form 4)

SVP, CFO & Treasurer Kosiba John W Jr was granted 90,000 shares, increasing direct ownership by 28% to 406,136 units (SEC Form 4)

Chairman, President and CEO Mcgahn Daniel P sold $806,046 worth of shares (37,165 units at $21.69), decreasing direct ownership by 4% to 1,019,956 units (SEC Form 4)

SVP, CFO & Treasurer Kosiba John W Jr sold $693,750 worth of shares (32,000 units at $21.68), decreasing direct ownership by 9% to 316,136 units (SEC Form 4)

Kosiba John W Jr sold $429,814 worth of shares (29,000 units at $14.82), decreasing direct ownership by 8% to 348,136 units (SEC Form 4)

Mcgahn Daniel P sold $304,741 worth of shares (20,559 units at $14.82), decreasing direct ownership by 2% to 1,057,121 units (SEC Form 4)

Dambier Laura A. was granted 3,840 shares, increasing direct ownership by 41% to 13,237 units (SEC Form 4)

House Arthur H was granted 3,840 shares, increasing direct ownership by 9% to 46,024 units (SEC Form 4)

Klein Margaret D. was granted 3,840 shares, increasing direct ownership by 41% to 13,237 units (SEC Form 4)

Littlefield Barbara G. was granted 3,840 shares, increasing direct ownership by 15% to 29,672 units (SEC Form 4)

Oliver David R Jr was granted 3,840 shares, increasing direct ownership by 7% to 58,068 units (SEC Form 4)

SEC Form 4 filed by Mcgahn Daniel P

SEC Form 4 filed by Kosiba John W Jr

SEC Form 4 filed by Kosiba John W Jr

SEC Form 4 filed by Mcgahn Daniel P

SEC Form 4 filed by House Arthur H

SEC Form 4 filed by Klein Margaret D.

SEC Form 4 filed by Dambier Laura A.

SEC Form 4 filed by Littlefield Barbara G.

SEC Form 4 filed by Oliver David R Jr

SEC Form 4: Mcgahn Daniel P bought $87,268 worth of shares (25,000 units at $3.49), increasing direct ownership by 3% to 943,223 units

SEC Form 4: Kosiba John W Jr bought $52,472 worth of shares (15,000 units at $3.50), increasing direct ownership by 4% to 353,759 units

SEC Form 4: Kosiba John W Jr bought $83,400 worth of shares (25,000 units at $3.34), increasing direct ownership by 8% to 338,759 units

SEC Form 4: Mcgahn Daniel P was granted 250,000 shares, increasing direct ownership by 37% to 918,223 units

SEC Form 4: Kosiba John W Jr was granted 125,000 shares, increasing direct ownership by 66% to 313,759 units

SEC Form 4 filed by Dambier Laura A.