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AMSC · American Superconductor Corp /De/
> Ask across nine datasets ⌘K
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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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AMSC

AMERICAN SUPERCONDUCTOR CORP /DE/
SEMICONDUCTORS & ELECTRONICS · MOTORS & GENERATORS · CIK 0000880807
SEC FILINGS☆ WATCH
INSIDER NET · 180D
-$7.8M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
177
13F, latest reported quarter
REVENUE GROWTH
+34.3%
XBRL, annual
NET MARGIN
44.7%
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$7.8M over 180 days
-$1.6M over 90 days
below 56% of Semiconductors & Electronics
CONGRESS
no member of Congress has reported trading it
FUNDS
177 funds added or opened last quarter
more than 58% of Semiconductors & Electronics
REVENUE
+34.3% year over year
more than 76% of Semiconductors & Electronics
MARGIN
44.7% net margin
more than 98% of Semiconductors & Electronics
BUYBACKS
no share repurchases reported
SHORT
7.3% of shares outstanding short · 4.2 days to cover · settled 2026-07-31
more than 68% of Semiconductors & Electronics
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$7.8M across 3 people in 180 days.
177 funds added or opened positions in the latest 13F quarter, of 281 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN -39.4%
-39.4%12M
-47%-19%+9%+37%2025-092025-102025-122026-032026-052026-072026-09 2026-06-02 · McGahn Daniel P sold $1.5M2026-06-02 · McGahn Daniel P sold $1.4M2026-06-02 · McGahn Daniel P sold $680.5K2026-06-02 · Kosiba John W JR sold $619.5K2026-06-02 · Kosiba John W JR sold $613.6K2026-06-11 · McGahn Daniel P sold $429.0K2026-06-03 · McGahn Daniel P sold $341.8K2026-06-02 · Kosiba John W JR sold $282.1K2026-06-03 · McGahn Daniel P sold $221.7K2026-06-08 · McGahn Daniel P sold $206.6K2026-06-08 · McGahn Daniel P sold $197.4K2026-06-11 · Kosiba John W JR sold $187.6K2026-06-11 · McGahn Daniel P sold $174.5K2026-06-03 · Kosiba John W JR sold $154.6K2026-06-11 · Dambier Laura A. sold $150.5K2026-06-08 · Kosiba John W JR sold $136.4K2026-06-03 · Kosiba John W JR sold $130.0K2026-06-02 · McGahn Daniel P sold $120.2K2026-06-11 · Kosiba John W JR sold $66.0K2026-06-08 · Kosiba John W JR sold $65.6K2026-06-03 · McGahn Daniel P sold $41.7K2026-06-02 · Kosiba John W JR sold $31.3K2026-06-03 · Kosiba John W JR sold $31.0K2026-06-03 · McGahn Daniel P sold $25.1K2026-02-24 · OLIVER DAVID R JR sold $6.8K
INSIDER SELL
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
The complete filing record, in one place.
The record shows a net $7.8M sold by insiders over 180 days, 177 funds added last quarter. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
NVDACRDOVICRMPWRVPLMALABPIMTSIMUAIPAVGOMSI
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, AMERICAN SUPERCONDUCTOR CORP /DE/ insiders sold a net $7.8M of stock across 71 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
Dambier Laura A.
Director
SELL
2026-06-11
4,000.0
$150.5K
Kosiba John W JR
SVP, CFO & Treasurer
SELL
2026-06-11
5,026.0
$187.6K
Kosiba John W JR
SVP, CFO & Treasurer
SELL
2026-06-11
1,743.0
$66.0K
McGahn Daniel P
Chairman, President and CEO
SELL
2026-06-11
4,609.0
$174.5K
McGahn Daniel P
Chairman, President and CEO
SELL
2026-06-11
11,508.0
$429.0K
71 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 66 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
BlackRock, Inc.
4,095,371.0 sh
$170.0M
VANGUARD CAPITAL MANAGEMENT LLC
2,034,219.0 sh
$84.4M
BARROW HANLEY MEWHINNEY & STRAUSS LLC
1,704,006.0 sh
$70.7M
UBS Group AG
1,429,090.0 sh
$59.3M
VANGUARD PORTFOLIO MANAGEMENT LLC
1,418,863.0 sh
$58.9M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
FORM 144
No planned-sale notices
No insider has notified an intent to sell. This is the panel to watch after a run-up.
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
F/m Emerald Special Situations ETF
$935.9K POSITION · AS OF 2026-04-30
3.3%
Pear tree essex environmental opportunities fund
$869.5K POSITION · AS OF 2026-03-31
3.2%
Oberweis Micro-Cap Fund
$26.6M POSITION · AS OF 2026-03-31
2.5%
State Street(R) SPDR(R) S&P Kensho Clean Power ETF
$4.3M POSITION · AS OF 2026-03-31
2.2%
Invesco WilderHill Clean Energy ETF
$9.4M POSITION · AS OF 2026-04-30
2.1%
Ranger Micro Cap Fund
$234.5K POSITION · AS OF 2026-04-30
2.0%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Executive pay vs shareholder return · Daniel P. McGahn
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2024
$7.5M
$17.5M
$3.8M
+79%
+175%
2023
$6.0M
$7.6M
$2.9M
-4%
+38%
2022
$3.3M
$7.7M
$1.5M
-29%
+23%
2021
$1.9M
$1.1M
$991.5K
-74%
+4%
2020
$1.9M
-$1.9M
$900.8K
-60%
-0%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2026-032025-032024-032023-03
REVENUE$299.2M$222.8M$145.6M$106.0M
GROSS PROFIT$91.4M$61.9M$35.3M$8.5M
OPERATING INCOME$11.4M$-1.1M$-11.4M$-33.0M
NET INCOME$133.8M$-133.8B$6.0B$-11.1B
EPS (DILUTED)3.050.16-0.37-1.26
OPERATING CASH FLOW$23.1M$28.3M$2.1M$-22.5M
CASH$140.7M$79.5M$90.5M$23.4M
LONG-TERM DEBT——$0$15.0K
BUYBACKS$0$126.0K$0—
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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