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RARE
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Ultragenyx Pharmaceutical Inc.

RARE · Healthcare · Ultragenyx Pharmaceutical Inc., a biopharmaceutical company, focuses on the identification, acquisition, development, and commercialization…

Ultragenyx Pharmaceutical Inc. (RARE), in the Healthcare sector, has 17 disclosed filings on Paydirt over the trailing twelve months from 1 member of Congress and 7 corporate insiders: 3 purchases and 14 sales. Filers took a median of 1 day from execution to disclosure, and the most recent trade was executed Oct 15 and filed Oct 19. The most active filer was Howard Horn with 7 filings. Data as of Nov 7 2026.

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Filings, ttm
17
3 buys · 14 sells
Traders, ttm
8
1 congress · 7 insiders
Volume, ttmiDollar value disclosed in the window
$3.2M
estimated for Congress, as filed for insiders
Median delay
1d
execution to disclosure
Last traded
Oct 15
Filed Oct 19
ADViAverage daily dollar volume
$57.1M
market data
Share price · 12M
$15.65 (-51.0%)
$36.54$24.71$12.88Nov 10 2025May 5Oct 23

Adjusted for splits and dividends.

Volume by month
$6.6M$3.3M$0Dec 2024Jun 2025Dec 2025Jun 2026Dec 2024 · sells $909KMar 2025 · sells $6.6MAug 2025 · buys $8KSep 2025 · buys $8KOct 2025 · sells $250KDec 2025 · sells $112KMar 2026 · buys $8KMar 2026 · sells $2.3MApr 2026 · buys $8KMay 2026 · sells $261KJun 2026 · sells $111KJul 2026 · sells $156KAug 2026 · sells $117KOct 2026 · buys $8KOct 2026 · sells $108K
Buys $40K Sells $10.9M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months
HH Howard Horn Chief Financial Officer 8 filings · 0 buys, 8 sales GC Gilbert Cisneros Representative 5 filings · 5 buys, 0 sales EK Emil D Kakkis President & CEO 4 filings · 0 buys, 4 sales KP Karah Herdman Parschauer EVP and Chief Legal Officer 3 filings · 0 buys, 3 sales EC Eric Crombez EVP and Chief Medical Officer 2 filings · 0 buys, 2 sales EH Erik Harris EVP & Chief Commercial Officer 2 filings · 0 buys, 2 sales JP John Richard Pinion See Remarks 2 filings · 0 buys, 2 sales TK Thomas Richard Kassberg CBO & EVP 1 filing · 0 buys, 1 sale
All 9 filers SS Shehnaaz Suliman Director 1 filing · 0 buys, 1 sale
Recent filings
Howard HornSALE Chief Financial Officer $108K
7,066 sh × $15.27
Exec Oct 15
Filed Oct 19 · 1:48 PM ET
Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Sep 29
Filed Oct 12
Howard HornSALE Chief Financial Officer $117K
4,696 sh × $24.92
Exec Aug 3
Filed Aug 4 · 3:13 PM ET
Howard HornSALE Chief Financial Officer $156K
4,698 sh × $33.13
Exec Jul 1
Filed Jul 6 · 3:37 PM ET
Howard HornSALE Chief Financial Officer $111K
4,653 sh × $23.77
Exec Jun 1
Filed Jun 1 · 5:30 PM ET
Shehnaaz SulimanSALE Director $144K
5,740 sh × $25.12
Exec May 18
Filed May 18 · 5:30 PM ET
Howard HornSALE Chief Financial Officer $117K
4,683 sh × $24.90
Exec May 1
Filed May 4 · 5:30 PM ET
Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Mar 3
Filed Apr 7
Karah Herdman ParschauerSALE EVP and Chief Legal Officer $129K
6,018 sh × $21.40
Exec Mar 6
Filed Mar 10 · 5:30 PM ET
Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Feb 18
Filed Mar 9
Eric CrombezSALE EVP and Chief Medical Officer $160K
7,029 sh × $22.80
Exec Mar 2
Filed Mar 3 · 5:30 PM ET
Howard HornSALE Chief Financial Officer $121K
5,290 sh × $22.80
Exec Mar 2
Filed Mar 3 · 5:30 PM ET
Karah Herdman ParschauerSALE EVP and Chief Legal Officer $185K
8,135 sh × $22.80
Exec Mar 2
Filed Mar 3 · 5:30 PM ET
Emil D KakkisSALE President & CEO $1.2M
54,404 sh × $22.80
Exec Mar 2
Filed Mar 3 · 5:30 PM ET
Erik HarrisSALE EVP & Chief Commercial Officer $240K
10,539 sh × $22.80
Exec Mar 2
Filed Mar 3 · 5:30 PM ET
John Richard PinionSALE See Remarks $229K
10,029 sh × $22.80
Exec Mar 2
Filed Mar 3 · 5:30 PM ET
Howard HornSALE Chief Financial Officer $112K
3,081 sh × $36.38
Exec Dec 10 2025
Filed Dec 11 2025 · 5:30 PM ET
Howard HornSALE Chief Financial Officer $250K
7,942 sh × $31.51
Exec Oct 13 2025
Filed Oct 14 2025 · 5:30 PM ET
Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Aug 8 2025
Filed Sep 12 2025
Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Jul 15 2025
Filed Aug 14 2025
Erik HarrisSALE EVP & Chief Commercial Officer $636K
15,103 sh × $42.10
Exec Mar 3 2025
Filed Mar 4 2025 · 5:30 PM ET
Emil D KakkisSALE President & CEO $4.2M
98,434 sh across 2 lots
Exec Feb 28 2025
Filed Mar 4 2025 · 5:30 PM ET
John Richard PinionSALE See Remarks $608K
14,439 sh × $42.10
Exec Mar 3 2025
Filed Mar 4 2025 · 5:30 PM ET
Eric CrombezSALE EVP and Chief Medical Officer $377K
8,945 sh × $42.10
Exec Mar 3 2025
Filed Mar 4 2025 · 5:30 PM ET
Karah Herdman ParschauerSALE EVP and Chief Legal Officer $541K
12,846 sh × $42.10
Exec Mar 3 2025
Filed Mar 4 2025 · 5:30 PM ET