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 1-30 of 32
Date 11 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 11508
Price 37.28
Value 429047
Security Common Stock
Date 11 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 5026
Price 37.33
Value 187604
Security Common Stock
Date 11 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 4609
Price 37.85
Value 174456
Security Common Stock
Date 11 Jun 2026
Insider DAMBIER, LAURA A.Director
Side Disposal
Shares 4000
Price 37.63
Value 150520
Security Common Stock
Date 11 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 1743
Price 37.85
Value 65975
Security Common Stock
Date 8 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 4992
Price 41.39
Value 206614
Security Common Stock
Date 8 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 4678
Price 42.19
Value 197381
Security Common Stock
Date 8 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 3286
Price 41.50
Value 136371
Security Common Stock
Date 8 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 1549
Price 42.35
Value 65596
Security Common Stock
Date 3 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 7075
Price 48.31
Value 341769
Security Common Stock
Date 3 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 4501
Price 49.25
Value 221693
Security Common Stock
Date 3 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 3200
Price 48.31
Value 154582
Security Common Stock
Date 3 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 2638
Price 49.28
Value 130013
Security Common Stock
Date 3 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 817
Price 50.99
Value 41659
Security Common Stock
Date 3 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 609
Price 50.83
Value 30953
Security Common Stock
Date 3 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 500
Price 50.29
Value 25144
Security Common Stock
Date 2 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 28558
Price 51.46
Value 1469555
Security Common Stock
Date 2 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 27900
Price 50.63
Value 1412616
Security Common Stock
Date 2 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 13762
Price 49.45
Value 680545
Security Common Stock
Date 2 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 12036
Price 51.47
Value 619445
Security Common Stock
Date 2 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 12122
Price 50.62
Value 613601
Security Common Stock
Date 2 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 5704
Price 49.46
Value 282126
Security Common Stock
Date 2 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Disposal
Shares 2305
Price 52.14
Value 120174
Security Common Stock
Date 2 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Disposal
Shares 600
Price 52.19
Value 31315
Security Common Stock
Date 1 Jun 2026
Insider KOSIBA, JOHN W JRSVP, CFO & Treasurer
Side Acquisition
Shares 30000
Price 0.00
Value 0
Security Common Stock
Date 1 Jun 2026
Insider MCGAHN, DANIEL PDirector, Chairman, President and CEO
Side Acquisition
Shares 60000
Price 0.00
Value 0
Security Common Stock
Date 3 Apr 2026
Insider DAMBIER, LAURA A.Director
Side Acquisition
Shares 3116
Price 0.00
Value 0
Security Common Stock
Date 3 Apr 2026
Insider DONNELLY, TERENCE ROBERTDirector
Side Acquisition
Shares 2665
Price 0.00
Value 0
Security Common Stock
Date 3 Apr 2026
Insider HOUSE, ARTHUR HDirector
Side Acquisition
Shares 3116
Price 0.00
Value 0
Security Common Stock
Date 3 Apr 2026
Insider KLEIN, MARGARET D.Director
Side Acquisition
Shares 3116
Price 0.00
Value 0
Security Common Stock