Senior insider sale
SVP, CFO & Treasurer at AMERICAN SUPERCONDUCTOR CORP /DE/ — senior position signals high conviction
$1.55M
30.46K shares
What this filing means
KOSIBA JOHN W JR plans to sell 30.46K shares of AMERICAN SUPERCONDUCTOR CORP /DE/ valued at approximately $1.55M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 6/2/2026ACC: 0001950047-26-005517
Officer· SVP, CFO & Treasurer
Since Jun 2018
30.46K
Shares to sell
$1.55M
Approx. market value
30.46K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Performance Shares
Not Applicable
3/31/2026
30.46KTotal acquired30.46K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/31/2026 | Performance Shares Not Applicable | 30.46K | — |
| Total | 30.46K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
30.46K
Market value
$1.55M
6/2/2026
Total
Units
30.46K
Value
$1.55M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
6/2/2026 | 30.46K | $1.55M | NASDAQ | Planned |
| Total | 30.46K | $1.55M | ||