Transaction · 0001193125-26-425032

Horn Howard

Horn Howard, CFO, reported an open-market or private sale at Ultragenyx Pharmaceutical Inc. involving 7066.000000 shares for an estimated $107897.82. Reported holdings after the transaction were 89229.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCFO
RAREUltragenyx Pharmaceutical Inc.
Trade date
Oct 15, 2026
Filing date
Oct 19, 2026
View on SEC Insider profile
Estimated value-$107kShares × reported price
Shares traded7.06k$15.27 per share
Holdings after89.2kDirect
% of reported position traded7.34%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 96,295 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

RARE price since this filing

Daily closing prices, with the filing date and available return windows
RARE · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -12.2%1w ago +0.0%1d ago +0.0%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001193125-26-425032
Common Stock
Transaction date
Oct 15, 2026
Filed Oct 19, 2026, 05:48 PM · 4d delay
Shares
7,066 sh
$15.27 per share
Estimated value
-$107k
Computed from shares × price
Holdings after
89,229 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

+6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Financial Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Represents shares sold to pay required tax withholdings due to the vesting of RSUs.

  2. F2

    Includes previously reported shares of common stock underlying RSUs granted to the Reporting Person, which are subject to certain vesting conditions.

Original filing · 0001193125-26-425032
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