$ALGM

Hagen Erin sold $101K of ALGM

Hagen Erin (SVP, CHRO) sold 2,285 shares of ALLEGRO MICROSYSTEMS, INC. (ALGM) at $44.39 ($0.10M total) on 2026-08-10 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Hagen Erin
Published Aug 12, 2026, 8:16 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 12, 2026, 8:22 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
$ALGM
Neutral
medium confidence
Mentioned
$ALGM
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$ALGMNeutralLow
01

Why it matters

The only new information is the specific sale details (shares, price, total value) and that it was executed under a pre-arranged 10b5-1 plan.

02

Market read

Traders may note the insider sale, but the 10b5-1 structure reduces interpretive weight versus discretionary selling.

03

What to watch

The filing does not indicate whether other insiders sold/bought around the same window, nor does it provide any new guidance or business developments.

Relevance 3/10Novelty 3/10Timing: filed Aug. 12 after-hours; sale executed Aug. 10

Background

The article is a SEC Form 4 insider transaction disclosure for Allegro Microsystems, Inc. (ALGM).

Company-level read

Ticker impact

$ALGMNeutralMedium confidence
Context

ALGM disclosed a Form 4 showing SVP CHRO Hagen Erin sold 2,285 shares at $44.39 on Aug. 10 under a 10b5-1 plan.

Expected impact

Likely limited near-term impact; any reaction should be muted unless accompanied by other company-specific news.

Evidence & confidence

The filing provides transaction size, price, and 10b5-1 status, but no new operational, financial, or regulatory information about ALGM.

Market effects

No clear sector read-through from a single 10b5-1 insider sale.

None indicated.

None indicated.

Counterpoint

10b5-1 sales can coincide with routine liquidity needs and do not necessarily reflect bearish views; the market may overreact to the headline.

Key entities

  • ALLEGRO MICROSYSTEMS, INC.

    Subject of the Form 4 insider transaction disclosure.

  • Hagen Erin

    SVP, CHRO 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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Why is Allegro Microsystems stock surging today?

Allegro Microsystems (ALGM) stock rose 6.5% to $38.76 after RBC Capital initiated coverage with an Outperform rating and $50 price target, citing strong fundamentals and growth prospects. RBC expects 20% revenue growth and margin expansion over two years, driven by automotive and data center demand. The broader market's positive sentiment also supported the move.