Howard Horn

Chief Financial Officer

Howard Horn (Chief Financial Officer) filed 7 Form 4 reports in the trailing twelve months (0 purchases, 7 sales), most often in Ultragenyx Pharmaceutical Inc. (RARE). The largest single filing was $250K of RARE (7,942 sh × $31.51, as filed), executed Oct 13 2025.

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Return, ttmiAverage return per filing, trailing twelve months

–

no purchases on file

Delay-adjustediThe same average, entered at disclosure dates

–

returns measure stock purchases only

Filings, ttm

0 buys · 7 sells

Median delay

–

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$983K

shares × price, as filed

Last traded

Aug 3

Filed Aug 4

Median ADV $57.1M across their filed names

Open performance→

Volume by month

Buys $0 Sells $1.4M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Healthcare 7 filings

Sector per market data · by filing · past 12 months

Most traded names

RARE

Ultragenyx Pharmaceutical Inc. RARE · 0 buys · 8 sells 8 filings

Recent filings

RARESALE Ultragenyx Pharmaceutical Inc. View filing → $117K
4,696 sh × $24.92
Exec Aug 3
Filed Aug 4 · 3:13 PM ET RARESALE Ultragenyx Pharmaceutical Inc. View filing → $156K
4,698 sh × $33.13
Exec Jul 1
Filed Jul 6 · 3:37 PM ET RARESALE Ultragenyx Pharmaceutical Inc. View filing → $111K
4,653 sh × $23.77
Exec Jun 1
Filed Jun 1 · 5:30 PM ET RARESALE Ultragenyx Pharmaceutical Inc. View filing → $117K
4,683 sh × $24.90
Exec May 1
Filed May 4 · 5:30 PM ET RARESALE Ultragenyx Pharmaceutical Inc. View filing → $121K
5,290 sh × $22.80
Exec Mar 2
Filed Mar 3 · 5:30 PM ET RARESALE Ultragenyx Pharmaceutical Inc. View filing → $112K
3,081 sh × $36.38
Exec Dec 10 2025
Filed Dec 11 2025 · 5:30 PM ET RARESALE Ultragenyx Pharmaceutical Inc. View filing → $250K
7,942 sh × $31.51
Exec Oct 13 2025
Filed Oct 14 2025 · 5:30 PM ET RARESALE Ultragenyx Pharmaceutical Inc. View filing → $394K
7,465 sh × $52.76
Exec Oct 10 2024
Filed Oct 11 2024 · 5:30 PM ET