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HA

SEC Insider//CIK 0001685155

House Arthur H

CIK 00016851551 companyAYER, MA

Transactions

13

Companies

1

Filings

11

CIK

0001685155

Recent Transactions

13 trades

Sale
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2025-08-08$50.92/sh−9,703→ 48,663 total
Exercise/Conversion
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2025-08-06$6.80/sh+9,703→ 58,366 total
Exercise/Conversion
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Stock Options (Right to Buy)
2025-08-06−9,703→ 0 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2025-04-03+2,639→ 48,663 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2024-04-03+3,840→ 46,024 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2023-04-05+11,627→ 42,184 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2022-04-05+6,067→ 30,557 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2021-04-05+2,073→ 24,490 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2020-04-03+7,092→ 22,417 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2019-04-03+3,152→ 15,325 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2018-04-04+6,896→ 12,173 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Common Stock
2017-04-05+3,277→ 5,277 total
Award
AMERICAN SUPERCONDUCTOR CORP /DE/$AMSC
Stock Options (Right to Buy)
2016-09-20+9,703→ 9,703 total

Companies

1

AMERICAN SUPERCONDUCTOR CORP /DE/
Director
$AMSC

Recent Filings

11

Address

C/O AMERICAN SUPERCONDUCTOR CORPORATION 114 EAST MAIN ST

AYER, MA, 01432

View on SEC.gov