Company Analysis

Ultragenyx Pharmaceutical Inc. (RARE)

Nasdaq: RARE · Pharmaceutical Preparations · Novato, CA · filing with the SEC since 2011
Grade5.9
◀ Past 7.5● Present 5.9▶ Future 4.5
1 est.

Filings

374 filings since 2017 beside 515 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 34 days after the quarter ended. The proxy statement was last filed Mar 27, 2026.

Filings a yearinsider forms included
113128916177835895
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest May 18, 2026.SEC letters: 3 in the last 36 months, the newest Jun 10, 2024.
Insider forms 515

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 13, 2026 SCHEDULE 13G/A Large holder update, amended
Nov 10, 2026 SCHEDULE 13G Large holder notice
Nov 4, 2026 10-Q Quarterly report Sep 30, 2026
Nov 3, 2026 8-K items 2.01, 2.02, 2.05, 9.01 Purchase or sale of a business completed; Results released; Exit or restructuring costs · Current report Oct 30, 2026
Oct 30, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 20, 2026 SCHEDULE 13G Large holder notice
Oct 19, 2026 8-K item 8.01 Other event · Current report
Oct 14, 2026 8-K item 1.01 Major agreement signed · Current report Oct 8, 2026
Oct 7, 2026 8-K item 1.01 Major agreement signed · Current report Oct 6, 2026
Sep 17, 2026 8-K item 8.01 Other event · Current report
Sep 2, 2026 8-K item 8.01 Other event · Current report
Aug 19, 2026 8-K item 8.01 Other event · Current report
Aug 14, 2026 SCHEDULE 13G Large holder notice
Aug 13, 2026 SCHEDULE 13G Large holder notice
Aug 11, 2026 8-K item 8.01 Other event · Current report Aug 7, 2026
Aug 7, 2026 SCHEDULE 13G Large holder notice
Aug 5, 2026 10-Q Quarterly report Jun 30, 2026
Aug 4, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 31, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 31, 2026 SCHEDULE 13G Large holder notice
Jul 30, 2026 SCHEDULE 13G/A Large holder update, amended
Jun 12, 2026 S-8 Employee stock plan registration
May 18, 2026 8-K items 5.02, 5.07, 9.01 Officer or director change; Shareholder vote · Current report May 14, 2026
May 12, 2026 SCHEDULE 13G Large holder notice
May 6, 2026 10-Q Quarterly report Mar 31, 2026
May 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 30, 2026 DEFA14A Extra proxy material
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 2, 2026 8-K item 8.01 Other event · Current report
Mar 30, 2026 8-K item 8.01 Other event · Current report
Mar 27, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 27, 2026 DEFA14A Extra proxy material
Mar 27, 2026 DEF 14A Proxy statement May 14, 2026
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 12, 2026 8-K item 8.01 Other event · Current report
Feb 23, 2026 8-K item 8.01 Other event · Current report
Feb 18, 2026 10-K Annual report Dec 31, 2025
Feb 12, 2026 8-K items 2.02, 2.05, 9.01 Results released; Exit or restructuring costs · Current report
Feb 5, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 3, 2026 8-K item 8.01 Other event · Current report
40 of 374 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton RARE · research, not advice