$ALKS

Hopkinson Craig C. sold $375K of ALKS

Hopkinson Craig C. (EVP R&D, Chief Medical Officer) sold 9,000 shares of Alkermes plc. (ALKS) at $41.67 ($0.38M total) on 2026-06-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Hopkinson Craig C.
Published Jun 1, 2026, 11:26 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 1, 2026, 11:31 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
high confidence
Mentioned
$ALKS
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$ALKSNeutralLow
01

Why it matters

Absent any accompanying company-specific news (earnings, trial results, approvals, deals, litigation), the disclosure mainly informs positioning/sentiment rather than fundamentals.

02

Market read

Traders may monitor for follow-on insider activity, but this specific Form 4 alone is unlikely to drive a durable repricing.

03

What to watch

10b5-1 plans are pre-scheduled and often driven by liquidity/tax planning, reducing the signal-to-noise of insider selling.

Relevance 6/10Novelty 2/10Timing: Filed same day (2026-06-01) as the sale; potential intraday sentiment check.

Background

The filing is an SEC Form 4 for an Alkermes executive (EVP R&D, Chief Medical Officer) reporting an open-market sale executed under a pre-arranged 10b5-1 plan.

Company-level read

Ticker impact

$ALKSNeutralHigh confidence
Context

Alkermes (ALKS) disclosed an officer open-market sale: 9,000 shares sold on 2026-06-01 under a pre-arranged 10b5-1 plan.

Expected impact

Low likelihood of sustained price impact; any reaction is likely limited and quickly mean-reverting.

Evidence & confidence

Form 4 insider sales under a pre-arranged 10b5-1 plan typically have limited informational content versus buys tied to new events.

Market effects

Minimal; single-company insider transaction without accompanying guidance/clinical/regulatory updates.

None indicated.

None indicated.

Counterpoint

If the sale volume is unusually large relative to prior patterns, traders could briefly interpret it as caution—even with a 10b5-1 plan.

Key entities

  • Alkermes plc

    Subject of the insider transaction disclosure (Form 4) reporting an officer sale of ALKS shares.

  • Hopkinson Craig C.

    EVP R&D and Chief Medical Officer who sold 9,000 shares on 2026-06-01 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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