Activity Companies Alerts About

Daniel P. McGahn owns 2.36% of American Superconductor

1,145,273 shares as of the June 11, 2026 filing, worth $29.4M at the latest close.

AMSC · $1.2B market cap
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Free.
The stake
2.36%
worth $29.4M at the latest close
Stake rank
#1,003
by dollar value of the stake
Last sale
130 days ago
Jun 11, 2026
Last buy
1,403 days ago
Dec 16, 2022 · $87,268

Daniel P. McGahn owns 2.36% of AMERICAN SUPERCONDUCTOR CORP /DE/: 1,145,273 of 48,442,143 shares, worth about $29.4M at the 2026-10-16 close. The stake has moved from 0.85% in 2016 to 2.36% on 2026-07-31, across 16 sales and 2 purchases that moved it since 2016. The last trade that moved it was a planned sale of $603,503 on 2026-06-11.

How the stake is held

as of the Jun 11, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Jun 11, 2026 · Form 4 ↗
HELD DIRECTLY
1,131,929
98.8%
HELD INDIRECTLY · By 401(k) plan
13,344
1.2%
THE STAKE
1,145,273
2.36%