$RARE

Sanders Corazon (Corsee) D. sold $50K of RARE

Sanders Corazon (Corsee) D. sold 2,000 shares of Ultragenyx Pharmaceutical Inc. (RARE) at $25.05 on 2026-06-15.

Original reporting
SEC EDGAR · Sanders Corazon (Corsee) D.
Published Jun 15, 2026, 10:50 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Jun 15, 2026, 10:52 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
3/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$RARENeutralLow
01

Why it matters

The newest fact is the director’s open-market sale of 2,000 shares at $25.05, totaling $50,100, with post-sale holdings of 21,095 shares.

02

Market read

This provides a fresh ownership-change datapoint but no new fundamental catalyst (no guidance, trial results, or regulatory action).

03

What to watch

Insider sales can be driven by diversification, taxes, or pre-existing personal liquidity needs; without context on total compensation or prior sales, signal quality is limited.

Relevance 3/10Novelty 6/10Timing: SEC Form 4 filed on 2026-06-15 (transaction dated 2026-06-15)

Background

The article is an SEC Form 4 insider transaction disclosure for Ultragenyx Pharmaceutical Inc. (RARE).

Company-level read

Ticker impact

$RARENeutralMedium confidence
Context

Ultragenyx director Sanders Corazon sold 2,000 shares in an open-market transaction at $25.05 on 2026-06-15 via SEC Form 4.

Expected impact

Low likelihood of sustained price impact; any reaction is likely short-lived unless accompanied by other new catalysts.

Evidence & confidence

The filing is a director open-market sale with no 10b5-1 plan stated; however, insider sales are common and the article provides no new operational/regulatory/clinical information.

Market effects

No sector-level read-through; this is company-specific insider transaction disclosure.

None indicated.

None indicated.

Counterpoint

If the sale is not under a 10b5-1 plan (article says “No”), traders may interpret it as higher near-term caution, potentially pressuring the stock briefly.

Key entities

  • Ultragenyx Pharmaceutical Inc.

    Subject of the SEC Form 4 insider transaction disclosure.

  • Sanders Corazon (Corsee) D.

    Director who executed the open-market sale.

Related articles

$RAREMed

Ultragenyx Pharmaceutical Q2 Earnings Call Highlights

Ultragenyx Pharmaceutical (NASDAQ:RARE) reaffirmed revenue and 2026 combined R&D and SG&A guidance, expecting flat to down low single digits from 2025, and at least a 15% decline in 2027. In Q2, Crysvita patient starts rose in Latin America and Turkey, and DOJOLVI had about 675 reimbursed patients in North America. FDA PDUFA dates are Aug. 23 for DTX-401 and Sept. 19 for UX-111.