$RARE

Horn Howard sold $108K of RARE

Horn Howard (Chief Financial Officer) sold 7,066 shares of Ultragenyx Pharmaceutical Inc. (RARE) at $15.27 ($0.11M total) on 2026-10-15.

Original reporting
SEC EDGAR · Horn Howard
Published Oct 19, 2026, 5:48 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 19, 2026, 5:51 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
$RARE
Neutral
medium confidence
Mentioned
$RARE
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$RARENeutralLow
01

Why it matters

The CFO's sale reduces his ownership but remains a small fraction of total shares; market reaction is expected to be muted.

02

Market read

A modest insider sell with limited price impact; useful for monitoring but not a catalyst for major moves.

03

What to watch

Potential upcoming corporate actions or earnings that could change the interpretation of the sale.

Relevance 4/10Novelty 4/10Timing: post-filing today

Background

SEC Form 4 filings disclose insider transactions and are used by traders to gauge insider sentiment.

Company-level read

Ticker impact

$RARENeutralMedium confidence
Context

CFO Horn Howard sold 7,066 shares for $107,898, reducing his stake to 89,229 shares.

Expected impact

likely slight downward pressure as the market prices the insider sell.

Evidence & confidence

Form 4 filings are primary disclosures; the transaction size is modest, so impact is limited.

Market effects

Minimal effect on the biotech sector; insider sales are routine.

No broader regional impact.

Not globally relevant.

Counterpoint

The sale could be unrelated to company fundamentals and may be a routine liquidity move.

Key entities

  • Ultragenyx Pharmaceutical Inc.

    Biotech firm focused on rare disease therapeutics.

  • Horn Howard

    Chief Financial Officer of Ultragenyx.

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.

Related articles

$RAREMedAI 8/10

Ultragenyx Pharmaceutical (RARE) Sells $203M Priority Review Vou

Ultragenyx Pharmaceutical (RARE) sold a $203M priority review voucher tied to its gene therapy Fayuvi's FDA approval, marking its second such sale this month. The company's P/S ratio is 2.1, below its historical median of 15.7, reflecting market skepticism. Its GF Score™ is 48/100, indicating mixed financial health. Insiders have sold $3.7M in shares over the past year.