KOSIBA JOHN W JR

PrivateCIK: 1703463
Location

DEVENS, MA

KOSIBA JOHN W JR (SVP, CFO & Treasurer) sold 1.4% of their position (4.83K shares) of AMERICAN SUPERCONDUCTOR CORP /DE/ on the open market

Open‑market sale worth $202.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderKOSIBA JOHN W JRCIK 1703463
Officer· SVP, CFO & Treasurer
Since Jun 2018
-4.83K
Net shares
Net seller
$202.0K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
4.83K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

3.29K

Price / share

$41.50

Trade value

$136.37K

% of position

0.9%
6/8/2026
345.98K342.69K

Common Stock

Direct
S · Sale

Shares

1.55K

Price / share

$42.35

Trade value

$65.60K

% of position

0.5%
6/8/2026
342.69K341.15K
Total

Net shares

4.83K

Net value

-$201.97K

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

Common Stock

Indirect
Shares owned371.00
Total
371.00 indirect371.00
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
KOSIBA JOHN W JR — Insider Transaction (Form 4) Filed Jun 10, 2026 | Finecho