AMSC- American Superconductor Corp /de/

Name: American Superconductor Corp /de/ Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

American Superconductor Corp /de/ (AMSC) has 8 insiders with recent SEC Form 4 filings, including 0 buys and 17 sells. AMSC is classified in the Machinery industry within the Industrials sector.

Insider Ownership

Role	Insider	Shares	Value	30d
CEO	McGahn Daniel P	1.18M	$62.97M	-
Dir	Oliver David R Jr	63.8K	$3.40M	-
Dir	House Arthur H	51.8K	$2.76M	-
Dir	Littlefield Barbara G.	35.4K	$1.89M	-
Dir	Klein Margaret D.	19.5K	$1.04M	-

Activity

Buys and sells only

Transactions

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Aug 8, 2025	House Arthur H	Director	Sale+OE	9,703	$50.92	$494,081.61	-16.6%	-28.3%	-
Aug 4, 2025	Kosiba John W Jr62	SVP, CFO &Treasurer	Sell	59,843	$54.70	$3,273,380.45	-7.7%	+9.2%	-
Aug 4, 2025	McGahn Daniel P57	Chairman, President And CEO	Sell	100,848	$54.49	$5,495,526.17	-4.0%	+9.2%	-
Jun 11, 2025	McGahn Daniel P57	Chairman, President And CEO	Sell	12,815	$28.58	$366,241.70	-0.5%	+68.0%	-
Jun 11, 2025	Kosiba John W Jr62	SVP, CFO &Treasurer	Sell	6,642	$28.57	$189,778.31	-0.8%	+68.0%	-
Jun 6, 2025	Kosiba John W Jr62	SVP, CFO &Treasurer	Sell	4,744	$31.83	$151,012.43	-1.1%	+54.2%	-
Jun 6, 2025	McGahn Daniel P57	Chairman, President And CEO	Sell	7,689	$31.82	$244,670.13	-0.6%	+54.2%	-
May 27, 2025	McGahn Daniel P57	Chairman, President And CEO	Sell	122,655	$26.39	$3,236,835.36	-4.3%	+81.1%	-
May 27, 2025	Kosiba John W Jr62	SVP, CFO &Treasurer	Sell	50,000	$26.40	$1,319,756.80	-5.4%	+81.1%	-
May 20, 2025	Kosiba John W Jr62	SVP, CFO &Treasurer	Sell	11,860	$24.50	$290,529.68	-2.5%	+116.6%	-

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Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC