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RARE

Ultragenyx Pharmaceutical Inc.

Company with tickers: RARE

Market Cap
$2.88B
Shares Outstanding
98,489,224
CIK
1515673
CUSIP
90400D108
13F Activity (30d)
15 filings 3 filers

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-06-15 CORAZON D. SANDERS 2,000
2026-06-15 KARAH PARSCHAUER 3,799
2026-06-01 HOWARD HORN 4,653
2026-05-18 SHEHNAAZ SULIMAN 5,740
2026-05-01 HOWARD HORN 4,683
2026-04-01 HOWARD HORN 4,683
2026-03-10 KARAH PARSCHAUER 3,508
2026-03-06 KARAH PARSCHAUER 6,018
2026-03-03 HOWARD HORN 1,635
2026-03-02 HOWARD HORN 3,119
2026-02-02 HOWARD HORN 3,061
2026-01-02 HOWARD HORN 3,150
2025-12-10 HOWARD HORN 3,081
2025-09-12 KARAH PARSCHAUER 2,450
2025-06-20 CORAZON D. SANDERS 2,405
2025-02-28 KAKKIS EMIL D 25,000
2025-02-27 Parschauer Karah Herdman 2,990
2024-12-30 KAKKIS EMIL D 11,727
2024-12-10 KAKKIS EMIL D 8,273
2024-09-03 KAKKIS EMIL D 20,000
2024-08-06 KAKKIS EMIL D 20,000
2024-07-02 CORAZON D. SANDERS 584
2024-06-12 KARAH PARSCHAUER 9,806
2024-06-10 CORAZON D. SANDERS 1,737
2024-03-11 Kassberg Thomas Richard 11,509
2024-03-07 MATTHEW K FUST 12,195
2024-02-07 KAKKIS EMIL D 30,000
2023-12-29 KAKKIS EMIL D 30,000
2023-10-23 THOMAS KASSBERG 39,878
2023-10-19 KAKKIS EMIL D 47,853
2023-09-07 THEODORE ALAN HUIZENGA 2,163
2023-09-05 Harris Erik 6,000
2023-06-30 CORAZON D SANDERS 585
2023-06-08 CORAZON D SANDERS 1,485
2023-05-18 JOHN R PINION 2,012
2023-05-04 KARAH PARSCHAUER 4,378
Showing 1–36 of 36 filings