KOSIBA JOHN W JR

PrivateCIK: 1703463
Location

DEVENS, MA

KOSIBA JOHN W JR (SVP, CFO & Treasurer) sold 59.84K shares of AMERICAN SUPERCONDUCTOR CORP /DE/ on the open market

Open‑market sale worth $3.27M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderKOSIBA JOHN W JRCIK 1703463
Officer· SVP, CFO & Treasurer
Since Jun 2018
-59.84K
Net shares
Net seller
$3.27M
Total sold
3
Open market trades
0B · 3S
3
Total transactions
59.84K disposed
Non-Derivative Transactions3

Common Stock

Direct
S · Sale

Shares

34.26K

Price / share

$54.34

Trade value

$1.86M

% of position

8.5%
8/4/2025
402.89K368.63K

Common Stock

Direct
S · Sale

Shares

15.74K

Price / share

$55.13

Trade value

$867.73K

% of position

4.3%
8/4/2025
368.63K352.89K

Common Stock

Indirect
S · Sale

Shares

9.84K

Price / share

$55.26

Trade value

$543.92K

% of position

New position
8/4/2025
9.84K0.00
Total

Net shares

59.84K

Net value

-$3.27M

Derivative Transactions0
No derivative transactions reported
KOSIBA JOHN W JR — Insider Transaction (Form 4) Filed Aug 6, 2025 | Finecho