Company Insider Tape

American Superconductor Corporation insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol AMSC Latest filing 11 Jun 2026

Company Read

Net disposal

AMSC has 32 stored insider filings. Acquisitions account for 25.0% of classified filings and disposals account for 75.0%. The largest stored filing is $1.5M from MCGAHN, DANIEL P.

Latest filing 11 Jun 2026most recent stored row
Largest filing $1.5Mreported transaction value
Total filings 32stored transaction rows
Acquisition value $08 acquisitions
Disposal value $7.8M24 disposals
Net value $-7.8Macquisitions minus disposals

Filing cadence

Last 12 active months
Apr 2026 6
Jun 2026 26

Acquisitions 25.0% · Disposals 75.0%

Apr 2026 $0
Jun 2026 $7.8M

Executive concentration

By filing count
MCGAHN, DANIEL P Director, Chairman, President and CEO · 13 filings
KOSIBA, JOHN W JR SVP, CFO & Treasurer · 12 filings
DAMBIER, LAURA A. Director · 2 filings
KLEIN, MARGARET D. Director · 1 filings
HOUSE, ARTHUR H Director · 1 filings
LITTLEFIELD, BARBARA G. Director · 1 filings
DONNELLY, TERENCE ROBERT Director · 1 filings
OLIVER, DAVID R JR Director · 1 filings

Market Context

AMSC weekly market snapshot

Week 31 Jul 2026
Latest close 511.03 MXNstored weekly close
1-week move -18.1%latest weekly bar
13-week move -20.2%medium-term context
Relative Strength -22.8Sharemaestro indicator
Fair value gap +9.8%price vs fair value
Trend signal 0smoothed trend state

Transaction History

Latest insider filings for AMSC

Showing 31-32 of 32
Date 3 Apr 2026
Insider LITTLEFIELD, BARBARA G.Director
Side Acquisition
Shares 3116
Price 0.00
Value 0
Security Common Stock
Date 3 Apr 2026
Insider OLIVER, DAVID R JRDirector
Side Acquisition
Shares 3116
Price 0.00
Value 0
Security Common Stock