RARE insider transaction filings

Ultragenyx Pharmaceutical Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-04. Screen RARE transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-044Horn Howard — Chief Financial OfficerSale (S): 4,696 @ $24.92EDGAR
2026-08-044Parschauer Karah Herdman — EVP and Chief Legal OfficerSale (S): 1,900 @ $24.92EDGAR
2026-07-064Horn Howard — Chief Financial OfficerSale (S): 4,698 @ $33.13EDGAR
2026-06-154Sanders Corazon (Corsee) D. — DirectorSale (S): 2,000 @ $25.05EDGAR
2026-06-154Parschauer Karah Herdman — EVP and Chief Legal OfficerSale (S): 1,899 @ $24.62EDGAR
2026-06-014Horn Howard — Chief Financial OfficerSale (S): 4,653 @ $23.77EDGAR
2026-05-184Ray Amrit — DirectorGrant/award (A): 7,751 @ $0 · Grant/award (A): 14,058 (derivative) @ $0EDGAR
2026-05-184Sanders Corazon (Corsee) D. — DirectorGrant/award (A): 7,751 @ $0 · Grant/award (A): 14,058 (derivative) @ $0EDGAR
2026-05-184SULIMAN SHEHNAAZ — DirectorGrant/award (A): 7,751 @ $0 · Sale (S): 5,740 @ $25.12 · Grant/award (A): 14,058 (derivative) @ $0EDGAR
2026-05-184Fust Matthew K — DirectorGrant/award (A): 7,751 @ $0 · Grant/award (A): 14,058 (derivative) @ $0EDGAR
2026-05-184NARACHI MICHAEL — DirectorGrant/award (A): 7,751 @ $0 · Grant/award (A): 14,058 (derivative) @ $0EDGAR
2026-05-184Dunsire Deborah — DirectorGrant/award (A): 7,751 @ $0 · Grant/award (A): 14,058 (derivative) @ $0EDGAR
2026-05-184WELCH DANIEL G — DirectorGrant/award (A): 7,751 @ $0 · Grant/award (A): 14,058 (derivative) @ $0EDGAR
2026-05-064Crombez Eric — EVP and Chief Medical OfficerSale (S): 344 @ $24.96EDGAR
2026-05-044Horn Howard — Chief Financial OfficerSale (S): 4,683 @ $24.90EDGAR
2026-04-244Huizenga Theodore Alan — SVP, Chief Accounting OfficerGrant/award (A): 20,241 @ $0 · Grant/award (A): 7,348 (derivative) @ $0EDGAR
2026-04-204Huang Dennis Karl — See RemarksGrant/award (A): 23,116 @ $0 · Grant/award (A): 79,936 (derivative) @ $0EDGAR
2026-04-204Pinion John Richard — See RemarksGrant/award (A): 23,116 @ $0 · Grant/award (A): 79,936 (derivative) @ $0EDGAR
2026-04-204Parschauer Karah Herdman — EVP and Chief Legal OfficerGrant/award (A): 28,895 @ $0 · Grant/award (A): 49,960 (derivative) @ $0EDGAR
2026-04-204Harris Erik — EVP & Chief Commercial OfficerGrant/award (A): 28,895 @ $0 · Grant/award (A): 49,960 (derivative) @ $0EDGAR
2026-04-204Crombez Eric — EVP and Chief Medical OfficerGrant/award (A): 34,674 @ $0 · Grant/award (A): 59,952 (derivative) @ $0EDGAR
2026-04-204Horn Howard — Chief Financial OfficerGrant/award (A): 34,674 @ $0 · Grant/award (A): 59,952 (derivative) @ $0EDGAR
2026-04-204KAKKIS EMIL D — President & CEO, DirectorGrant/award (A): 76,745 @ $0 · Grant/award (A): 132,693 (derivative) @ $0EDGAR
2026-04-024Horn Howard — Chief Financial OfficerSale (S): 4,683 @ $20.97EDGAR
2026-03-104Parschauer Karah Herdman — EVP and Chief Legal OfficerSale (S): 6,018 @ $21.40 · Sale (S): 3,508 @ $22.67EDGAR
2026-03-034Pinion John Richard — See RemarksGrant/award (A): 11,137 @ $0 · Sale (S): 10,029 @ $22.80EDGAR
2026-03-034Harris Erik — EVP & Chief Commercial OfficerGrant/award (A): 11,643 @ $0 · Sale (S): 10,539 @ $22.80EDGAR
2026-03-034Parschauer Karah Herdman — EVP and Chief Legal OfficerGrant/award (A): 11,137 @ $0 · Sale (S): 8,135 @ $22.80EDGAR
2026-03-034Huizenga Theodore Alan — SVP, Chief Accounting OfficerTax withholding (F): 148 @ $23.39 · Sale (S): 1,632 @ $22.80EDGAR
2026-03-034Horn Howard — Chief Financial OfficerGrant/award (A): 6,143 @ $0 · Sale (S): 5,290 @ $22.80 · Sale (S): 3,119 @ $22.54 · Sale (S): 1,635 @ $22.40EDGAR
2026-03-034Crombez Eric — EVP and Chief Medical OfficerGrant/award (A): 11,643 @ $0 · Sale (S): 7,029 @ $22.80EDGAR
2026-03-034Huang Dennis Karl — See RemarksGrant/award (A): 11,137 @ $0 · Tax withholding (F): 999 @ $23.39EDGAR
2026-03-034KAKKIS EMIL D — President & CEO, DirectorGrant/award (A): 71,177 @ $0 · Sale (S): 54,404 @ $22.80EDGAR
2026-02-034Horn Howard — Chief Financial OfficerSale (S): 3,061 @ $23.56EDGAR
2026-01-054Horn Howard — Chief Financial OfficerSale (S): 3,150 @ $22.84EDGAR
2025-12-304Huizenga Theodore Alan — SVP, Chief Accounting OfficerSale (S): 85 @ $34.38EDGAR
2025-12-114Horn Howard — Chief Financial OfficerSale (S): 3,081 @ $36.38EDGAR
2025-10-144Horn Howard — Chief Financial OfficerSale (S): 7,942 @ $31.51EDGAR
2025-09-194Huizenga Theodore Alan — SVP, Chief Accounting OfficerSale (S): 64 @ $29.17EDGAR
2025-09-124Parschauer Karah Herdman — EVP and Chief Legal OfficerSale (S): 2,450 @ $31.17EDGAR
2025-09-084Huizenga Theodore Alan — SVP, Chief Accounting OfficerSale (S): 84 @ $31.39EDGAR
2025-06-234Sanders Corazon (Corsee) D. — DirectorSale (S): 2,405 @ $37.39EDGAR
2025-05-194SULIMAN SHEHNAAZ — DirectorGrant/award (A): 5,740 @ $0 · Grant/award (A): 10,787 (derivative) @ $0EDGAR
2025-05-194Sanders Corazon (Corsee) D. — DirectorGrant/award (A): 5,740 @ $0 · Grant/award (A): 10,787 (derivative) @ $0EDGAR
2025-05-194Ray Amrit — DirectorGrant/award (A): 5,740 @ $0 · Grant/award (A): 10,787 (derivative) @ $0EDGAR
2025-05-194Fust Matthew K — DirectorGrant/award (A): 5,740 @ $0 · Grant/award (A): 10,787 (derivative) @ $0EDGAR
2025-05-194NARACHI MICHAEL — DirectorGrant/award (A): 5,740 @ $0 · Grant/award (A): 10,787 (derivative) @ $0EDGAR
2025-05-194Dunsire Deborah — DirectorGrant/award (A): 5,740 @ $0 · Grant/award (A): 10,787 (derivative) @ $0EDGAR
2025-05-194WELCH DANIEL G — DirectorGrant/award (A): 5,740 @ $0 · Grant/award (A): 10,787 (derivative) @ $0EDGAR
2025-05-054Crombez Eric — EVP and Chief Medical OfficerSale (S): 242 @ $35.11 · Sale (S): 520 @ $39.24EDGAR

Recent 8-K events — Ultragenyx Pharmaceutical Inc.

FiledFormItems reportedSource
2026-08-198-K8.01 — Other EventsEDGAR
2026-08-118-K8.01 — Other EventsEDGAR
2026-08-048-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-188-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-058-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-028-K8.01 — Other EventsEDGAR
2026-03-308-K8.01 — Other EventsEDGAR
2026-03-128-K8.01 — Other EventsEDGAR
2026-02-238-K8.01 — Other EventsEDGAR
2026-02-128-K2.02 — Results of Operations and Financial Condition
?
9.01 — Financial Statements and Exhibits
EDGAR
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