$ALKS

Hopkinson Craig C. sold $437K of ALKS

Hopkinson Craig C. (EVP R&D, Chief Medical Officer) sold 9,000 shares of Alkermes plc. (ALKS) at $48.58 ($0.44M total) on 2026-08-03 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Hopkinson Craig C.
Published Aug 3, 2026, 11:12 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 3, 2026, 11:18 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.
alphai market briefInsider activity
Primary signal
$ALKS
Neutral
medium confidence
Mentioned
$ALKS
Relevance
3/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$ALKSNeutralLow
01

Why it matters

The newest fact is the specific sale details: 9,000 shares sold at $48.5800 for $437,220, with holdings after sale of 69,389 shares, executed under a pre-arranged 10b5-1 plan.

02

Market read

Traders may note the insider sale for sentiment, but the 10b5-1 structure usually limits actionable fundamental implications.

03

What to watch

Insider sales under 10b5-1 can still attract short-term attention, but traders should compare with prior insider activity and the broader news flow before inferring fundamentals.

Relevance 3/10Novelty 3/10Timing: filed on 2026-08-03, transaction dated 2026-08-03

Background

The article is a primary-source SEC Form 4 insider transaction disclosure for Alkermes plc.

Company-level read

Ticker impact

$ALKSNeutralMedium confidence
Context

Alkermes Form 4 shows EVP R&D and Chief Medical Officer Craig Hopkinson sold 9,000 shares at $48.58 on 2026-08-03 under a 10b5-1 plan.

Expected impact

Likely limited immediate price impact; any effect would be sentiment-driven and usually muted for 10b5-1 sales.

Evidence & confidence

The filing discloses the transaction size and price, but it is explicitly tied to a pre-arranged 10b5-1 plan, reducing interpretability as new negative information.

Market effects

No direct sector read-through; this is company-specific insider trading disclosure.

None indicated.

None indicated.

Counterpoint

The sale could reflect diversification or liquidity needs rather than a view on Alkermes prospects, especially since it is under a 10b5-1 plan.

Key entities

  • Alkermes plc

    Subject of the Form 4 insider transaction disclosure (ALKS).

  • Craig C. Hopkinson

    EVP R&D and Chief Medical Officer who sold shares under a 10b5-1 plan.

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.

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