HOUSE ARTHUR H

PrivateCIK: 1685155
Location

DEVENS, MA

HOUSE ARTHUR H sold 16.6% of their position (9.70K shares) of AMERICAN SUPERCONDUCTOR CORP /DE/ on the open market

Open‑market sale worth $494.1K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHOUSE ARTHUR HCIK 1685155
Director
Since Apr 2019
-9.70K
Net shares
Net seller
$494.1K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
9.70K acquired · 19.41K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+9.70K

Price / share

$6.80

Trade value

$65.98K

% of position

19.9%
8/6/2025
48.66K58.37K

Common Stock

Direct
S · Sale

Shares

9.70K

Price / share

$50.92

Trade value

$494.08K

% of position

16.6%
8/8/2025
58.37K48.66K
Total

Net shares

+0.00

Net value

-$428.10K

Derivative Transactions1

Stock Options (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

9.70K shares

Shares

9.70K

Strike price

6.8

Held after

0.00

Exercisable

8/6/2025
HOUSE ARTHUR H — Insider Transaction (Form 4) Filed Aug 8, 2025 | Finecho