Karah Herdman Parschauer - 03 Aug 2026 Form 4 Insider Report for Ultragenyx Pharmaceutical Inc. (RARE)

Reporting relationship: EVP and Chief Legal Officer
Issuer ticker: RARE
Reported as of: 03 Aug 2026
Net transaction value: -$47,348
SEC form: 4
Accepted by SEC: 04 Aug 2026, 15:15:32 UTC
Prior SEC filing: 15 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Karah Parschauer

Key filing fact

Karah Herdman Parschauer filed Form 4 for Ultragenyx Pharmaceutical Inc. (RARE) on 04 Aug 2026.

Key facts

This page summarizes Karah Herdman Parschauer's Form 4 filing for Ultragenyx Pharmaceutical Inc. (RARE).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 04 Aug 2026, 15:15.

Change

Previous filing in this sequence was filed on 15 Jun 2026.
Current net transaction value: -$47,348.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001677455 Primary reporting owner

Parschauer Karah Herdman

Relationship: EVP and Chief Legal Officer
Address: C/O ULTRAGENYX PHARMACEUTICAL INC., 60 LEVERONI COURT, NOVATO
Signature: /s/ Karah Parschauer
Signature date: 04 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RARE transaction

Common Stock

Sale

Transaction value: $47,348
Shares: -1,900
Change %: -2%
Price: $24.92
Shares after: 92,562
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

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