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CRITICAL

Ultragenyx Pharmaceutical Inc.

CIK: 0001515673

Strong Sell (90% confidence)

Last activity: 3 weeks ago

Financial Metrics

As of Dec 31, 2025 (10-K)

Revenue $673.00M
Net Income -$575.00M

Insider Roster (7 total, 7 active)

Insider Buys Sells Net Value Holdings
KAKKIS EMIL D
President & CEO
0 1 -$1.24M
658,994 shares
$15.03M
Horn Howard
Chief Financial Officer
0 6 -$484K
85,034 shares
$1.90M
Parschauer Karah Herdman
EVP and Chief Legal Officer
0 3 -$394K
66,820 shares
$1.51M
Harris Erik
EVP & Chief Commercial Officer
0 1 -$240K
89,515 shares
$2.04M
Pinion John Richard
See Remarks
0 1 -$229K
110,026 shares
$2.51M
Crombez Eric
EVP and Chief Medical Officer
0 1 -$160K
76,301 shares
$1.74M
Huizenga Theodore Alan
SVP, Chief Accounting Officer
0 2 -$40K
48,670 shares
$1.11M

Recent Transactions

SELL Parschauer Karah Herdman (EVP and Chief Legal Officer)

3,508 shares @ $22.67

$80K

Mar 10, 2026

Conviction: | View SEC Filing →
SELL Parschauer Karah Herdman (EVP and Chief Legal Officer)

6,018 shares @ $21.40

$129K

Mar 6, 2026

Conviction: | View SEC Filing →
SELL Horn Howard (Chief Financial Officer)

1,635 shares @ $22.40

$37K

Mar 3, 2026

Conviction: | View SEC Filing →
SELL KAKKIS EMIL D (President & CEO)

54,404 shares @ $22.80

$1.24M

Mar 2, 2026

Conviction: | View SEC Filing →
SELL Harris Erik (EVP & Chief Commercial Officer)

10,539 shares @ $22.80

$240K

Mar 2, 2026

Conviction: | View SEC Filing →
SELL Pinion John Richard (See Remarks)

10,029 shares @ $22.80

$229K

Mar 2, 2026

Conviction: | View SEC Filing →
SELL Parschauer Karah Herdman (EVP and Chief Legal Officer)

8,135 shares @ $22.80

$185K

Mar 2, 2026

Conviction: | View SEC Filing →
SELL Crombez Eric (EVP and Chief Medical Officer)

7,029 shares @ $22.80

$160K

Mar 2, 2026

Conviction: | View SEC Filing →
SELL Horn Howard (Chief Financial Officer)

5,290 shares @ $22.80

$121K

Mar 2, 2026

Conviction: | View SEC Filing →
SELL Horn Howard (Chief Financial Officer)

3,119 shares @ $22.54

$70K

Mar 2, 2026

Conviction: | View SEC Filing →
SELL Huizenga Theodore Alan (SVP, Chief Accounting Officer)

1,632 shares @ $22.80

$37K

Mar 2, 2026

Conviction: | View SEC Filing →
SELL Horn Howard (Chief Financial Officer)

3,061 shares @ $23.56

$72K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL Horn Howard (Chief Financial Officer)

3,150 shares @ $22.84

$72K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL Huizenga Theodore Alan (SVP, Chief Accounting Officer)

85 shares @ $34.38

$3K

Dec 29, 2025

Conviction: | View SEC Filing →
SELL Horn Howard (Chief Financial Officer)

3,081 shares @ $36.38

$112K

Dec 10, 2025

Conviction: | View SEC Filing →

⚠️ Important Disclaimer

• This is AI-generated analysis for educational purposes only, not financial advice.

• Insider trading data is derived from SEC Form 4 filings and may contain errors.

• Always conduct your own research and consult qualified financial advisors before making investment decisions.