AlphAIAlphAI — Financial news for AI agents
SEC EDGARJUN 101 min read$AMSC

Kosiba John W JR sold $202K of AMSC

Kosiba John W JR (SVP, CFO & Treasurer) sold 4,835 shares of AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) at an average of $41.77 ($41.50–$42.35, $0.20M total) across 2 trades on 2026-06-08 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Kosiba John W JR
Published Jun 10, 2026, 8:55 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 10, 2026, 9:01 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$AMSC
Neutral
high confidence
Mentioned
$AMSC
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$AMSCNeutralLow
01

Why it matters

The newest fact is the June 8 open-market sale by the company’s CFO/treasurer, executed under a pre-arranged 10b5-1 plan and reported on June 10.

02

Market read

Traders may note the disclosed insider selling, but the 10b5-1 structure generally limits interpretive impact.

03

What to watch

Compare this sale size and frequency versus prior Form 4s for the same officer to judge whether it’s within normal behavior.

Relevance 3/10Novelty 6/10Timing: Filed June 10; sale executed June 8.

Background

The article is an SEC EDGAR Form 4 insider transaction disclosure for American Superconductor Corp (AMSC).

Company-level read

Ticker impact

$AMSCNeutralHigh confidence
Context

AMSC CFO & Treasurer John W. Kosiba Jr. sold 4,835 shares in open-market transactions totaling about $201,967 under a 10b5-1 plan.

Expected impact

Low near-term impact; any reaction is likely muted unless accompanied by unusual follow-on selling or other catalysts.

Evidence & confidence

The filing is a standard insider-sale disclosure and explicitly states a pre-arranged 10b5-1 plan, reducing interpretive weight.

Market effects

Sector

Minimal; this is company-specific insider transaction data with no sector-wide catalyst.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

Even with a 10b5-1 plan, repeated insider selling can coincide with internal risk management or diversification needs; monitor for clustering beyond typical cadence.

Key entities

  • issuer
    AMSC

    American Superconductor Corp /DE/; subject of the insider transaction disclosure.

  • insider
    John W. Kosiba Jr.

    SVP, CFO & Treasurer who sold shares in open-market transactions under a 10b5-1 plan.

Read at source← All news

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

AMSC insider trading history →

Related articles

SEP 4
$AMSCLow

American Superconductor (AMSC) Beat On Revenue, Is The Post Earnings Drop A Bargain?

American Superconductor (AMSC) reported revenue growth exceeding expectations but missed EPS estimates and guidance, causing a stock drop. The 90-day share price fell 31.48%, while the 3-year return remains strong. The company's valuation is debated, with a fair value estimate of $65.33. Policy focus on grid reliability may benefit AMSC, but risks include cooling order strength and high costs.

simplywall.st2 min
AUG 26
$AMSCMed

Should You Avoid Investing in AMSC Stock After a Mixed Q1?

American Superconductor (AMSC) reported mixed Q1 fiscal 2026 results with record revenue of $94.1M (up 30% YoY) but a 44.8% drop in adjusted earnings to 16 cents per share. Gross margin fell to 26.3% from 33.8% YoY due to acquisition-related costs and product mix pressures. Management expects Q2 revenue to decline sequentially to $85M. AMSC stock has fallen 43.1% over the past year, underperforming peers like FPS and CTS.

tradingview.com2 min
AUG 5
$AMSCHigh

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC): Results of Operations and Financial Condition

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 AMSC Reports First Quarter Fiscal Year 2026 Financial Results and Business Outlook First Quarter Financial Highlights: • Increased Revenue by 30% Year-over-Year to a Record Level Exceeding $90 Million • Reported Record Total Orders Above $130 Million Driven by the Ut

SEC EDGAR 8-K3 min
MAY 28
$AMSCMedAI 9/10

AMSC Q1 Deep Dive: Data Center and Traditional Energy Demand Drive Growth Amid Margin Pressures

American Superconductor (NASDAQ: AMSC) reported Q1 CY2026 revenue of $86.41 million, up 29.6% year over year, beating Wall Street expectations, according to the company. Non-GAAP profit was $0.30 per share, 55.2% above consensus. Next-quarter revenue guidance midpoint was $85 million. Management cited strong demand in grid and data center markets, while noting near-term margin pressure from acquisition integration and capacity investments.

markets.financialcontent.com7 min