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SEC EDGARSEP 181 min read$CBIO

Lynch Ryan sold $4K of CBIO

Lynch Ryan (See Remarks) sold 240 shares of CRESCENT BIOPHARMA, INC. (CBIO) at $17.90 on 2026-09-16 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Lynch Ryan
Published Sep 18, 2026, 8:03 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 18, 2026, 11:06 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
$CBIO
Neutral
high confidence
Mentioned
$CBIO
Relevance
2/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CBIONeutralLow
01

Why it matters

The sale is routine and unlikely to move the stock.

02

Market read

Small insider sale with minimal market relevance.

03

What to watch

Potential upcoming corporate actions not disclosed.

Relevance 2/10Novelty 4/10Timing: filing today

Background

Form 4 filing reports insider transactions required by SEC.

Company-level read

Ticker impact

$CBIONeutralHigh confidence
Context

Officer Lynch Ryan sold 240 shares of Crescent Biopharma for $4,296 via a 10b5-1 plan, reducing holdings to 13,631 shares.

Expected impact

No material move expected.

Evidence & confidence

The transaction size is small relative to market cap and disclosed via a routine 10b5-1 plan.

Market effects

Sector

None significant for biotech sector.

Regional

No regional effect.

Global

Limited to CBIO shareholders.

Counterpoint

What could challenge this read

Insider sale could signal confidence if the insider retains a large stake.

Key entities

  • Company
    Crescent Biopharma, Inc.

    Biopharma company listed under ticker CBIO.

  • Officer
    Lynch Ryan

    Officer of Crescent Biopharma who sold shares.

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.

CBIO insider trading history →

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