Form4insider filings, from the source

Insider · CIK 0001603347

Theodore Alan Huizenga

Files at: RARE. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $20k · 2net −$20k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 SForm 4 →Sep 15, 6:57 pm EDTUltragenyx Pharmaceutical Inc.RARE1,283$13.57$17,41067,863−1.86%10b5-1
Sep 3, 2026 SForm 4 →Sep 8, 12:29 pm EDTUltragenyx Pharmaceutical Inc.RARE161$13.99$2,25269,146−0.23%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.