$MAZE

Bernstein Harold sold $426K of MAZE

Bernstein Harold (President, R&D & CMO) sold 16,141 shares of Maze Therapeutics, Inc. (MAZE) at $26.36 ($0.43M total) on 2026-09-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Bernstein Harold
Published Sep 3, 2026, 8:24 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Sep 3, 2026, 11:10 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
$MAZE
Neutral
medium confidence
Mentioned
$MAZE
Relevance
3/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MAZENeutralLow
01

Why it matters

Provides primary disclosure of insider activity; limited trading relevance.

02

Market read

Routine insider sale with modest size; minimal impact on stock.

03

What to watch

Potential upcoming dilution events or financing activities not disclosed.

Relevance 3/10Novelty 4/10Timing: transaction dated 2026-09-01, filed 2026-09-03

Background

Form 4 filing reveals insider transaction under a 10b5-1 plan.

Company-level read

Ticker impact

$MAZENeutralMedium confidence
Context

President of R&D & CMO sold 16,141 shares for $425.5K via 10b5-1 plan, leaving zero holdings.

Expected impact

Minor downward pressure, likely negligible on market price.

Evidence & confidence

Sale size is modest relative to market cap and executed under a pre-arranged plan, reducing informational value.

Market effects

No broader sector impact; typical insider transaction.

Limited to US biotech sector, negligible.

Low

Counterpoint

Sale could be a red flag if insider confidence wanes, but could also be routine liquidity need.

Key entities

  • Bernstein Harold

    President, R&D & CMO of Maze Therapeutics

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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Maze Therapeutics, Inc. (MAZE): Results of Operations and Financial Condition

Maze Therapeutics, Inc. (MAZE) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 Maze Therapeutics Reports Second Quarter 2026 Financial Results and Recent Highlights Enrollment in Phase 2 HORIZON trial of MZE829 on track; data from all cohorts expected in late 2026 or early 2027 Phase 2 CIPheR trial of MZE782 in PKU initiated and enrollment ongo