KOSIBA JOHN W JR

PrivateCIK: 1703463
Location

DEVENS, MA

KOSIBA JOHN W JR (SVP, CFO & Treasurer) sold 10.8% of their position (50K shares) of AMERICAN SUPERCONDUCTOR CORP /DE/ on the open market

Open‑market sale worth $1.32M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderKOSIBA JOHN W JRCIK 1703463
Officer· SVP, CFO & Treasurer
Since Jun 2018
-50K
Net shares
Net seller
$1.32M
Total sold
2
Open market trades
0B · 2S
2
Total transactions
50K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

10.10K

Price / share

$25.55

Trade value

$258.02K

% of position

2.2%
5/27/2025
464.28K454.18K

Common Stock

Direct
S · Sale

Shares

39.90K

Price / share

$26.61

Trade value

$1.06M

% of position

8.8%
5/27/2025
454.18K414.28K
Total

Net shares

50K

Net value

-$1.32M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned9.72K
Total
9.72K indirect9.72K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
KOSIBA JOHN W JR — Insider Transaction (Form 4) Filed May 29, 2025 | Finecho