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SEC EDGARSEP 181 min read$CBIO

Bispham Barbara Harlin sold $11K of CBIO

Bispham Barbara Harlin (See Remarks) sold 620 shares of CRESCENT BIOPHARMA, INC. (CBIO) at $17.90 on 2026-09-16 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Bispham Barbara Harlin
Published Sep 18, 2026, 8:02 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 18, 2026, 8:42 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 transaction is routine and unlikely to affect CBIO's stock price.

02

Market read

Low relevance; typical insider transaction with minimal market impact.

03

What to watch

Potential upcoming dilution or financing events not disclosed.

Relevance 2/10Novelty 4/10Timing: filed 2026-09-18

Background

SEC Form 4 filing reports an insider's open‑market sale under a pre‑arranged plan.

Company-level read

Ticker impact

$CBIONeutralHigh confidence
Context

Officer Bispham Barbara Harlin sold 620 shares for $11,098 via a 10b5‑1 plan, reducing her stake to 18,710 shares.

Expected impact

No significant impact; price may stay flat.

Evidence & confidence

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

Market effects

Sector

None; biotech sector unchanged.

Regional

None; US market unaffected.

Global

None

Counterpoint

What could challenge this read

Even small insider sales can signal concerns; monitor for further disposals.

Key entities

  • Company
    Crescent Biopharma, Inc.

    Biopharma company listed on NASDAQ under ticker CBIO.

  • Officer
    Bispham Barbara Harlin

    Company officer executing a 10b5‑1 sale.

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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