RARE Ultragenyx Pharmaceutical Inc.

NASDAQ
$14.30

Ultragenyx Pharmaceutical Inc. (RARE) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with RARE's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 3 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
9
28 transactions
Purchases
$0
0 shares
Sales
$3.9M
164,178 shares
Net activity
-$3.9M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $3.9M 28 transactions · 164,178 shares

Largest single sale: $1.2M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Huizenga Theodore Alan SVP, Chief Accounting Officer Sell 161 $13.99 $2.3K 69,146 −0.2% of holding
Horn Howard Chief Financial Officer Sell 4,696 $24.92 $117.0K 96,295 −4.6% of holding
Parschauer Karah Herdman EVP and Chief Legal Officer Sell 1,900 $24.92 $47.3K 92,562 −2% of holding
Horn Howard Chief Financial Officer Sell 4,698 $33.13 $155.6K 100,991 −4.4% of holding
Sanders Corazon (Corsee) D. Director Sell 2,000 $25.05 $50.1K 21,095 −8.7% of holding
Parschauer Karah Herdman EVP and Chief Legal Officer Sell 1,899 $24.62 $46.8K 94,462 −2% of holding
Horn Howard Chief Financial Officer Sell 4,653 $23.77 $110.6K 105,689 −4.2% of holding
SULIMAN SHEHNAAZ Director Sell 5,740 $25.12 $144.2K 27,951 −17% of holding
Crombez Eric EVP and Chief Medical Officer Sell 344 $24.96 $8.6K 111,189 −0.3% of holding
Horn Howard Chief Financial Officer Sell 4,683 $24.90 $116.6K 110,342 −4.1% of holding
Horn Howard Chief Financial Officer Sell 4,683 $20.97 $98.2K 80,351 −5.5% of holding
Parschauer Karah Herdman EVP and Chief Legal Officer Sell 3,508 $22.67 $79.5K 66,820 −5% of holding
Parschauer Karah Herdman EVP and Chief Legal Officer Sell 6,018 $21.40 $128.8K 70,328 −7.9% of holding
Horn Howard Chief Financial Officer Sell 1,635 $22.40 $36.6K 85,034 −1.9% of holding
KAKKIS EMIL D President & CEO Sell 54,404 $22.80 $1.2M 658,994 −7.6% of holding
Harris Erik EVP & Chief Commercial Officer Sell 10,539 $22.80 $240.3K 89,515 −10.5% of holding
Pinion John Richard See Remarks Sell 10,029 $22.80 $228.7K 110,026 −8.4% of holding
Horn Howard 2 fills Chief Financial Officer Sell 8,409 $22.70 $190.9K 89,788 −8.6% of holding
Parschauer Karah Herdman EVP and Chief Legal Officer Sell 8,135 $22.80 $185.5K 76,346 −9.6% of holding
Crombez Eric EVP and Chief Medical Officer Sell 7,029 $22.80 $160.3K 76,301 −8.4% of holding
Huizenga Theodore Alan SVP, Chief Accounting Officer Sell 1,632 $22.80 $37.2K 48,670 −3.2% of holding
Horn Howard Chief Financial Officer Sell 3,061 $23.56 $72.1K 88,935 −3.3% of holding
Horn Howard Chief Financial Officer Sell 3,150 $22.84 $71.9K 91,996 −3.3% of holding
Huizenga Theodore Alan SVP, Chief Accounting Officer Sell 85 $34.38 $2.9K 50,450 −0.2% of holding
Horn Howard Chief Financial Officer Sell 3,081 $36.38 $112.1K 95,146 −3.1% of holding
Horn Howard Chief Financial Officer Sell 7,942 $31.51 $250.3K 98,227 −7.5% of holding
Huizenga Theodore Alan SVP, Chief Accounting Officer Sell 64 $29.17 $1.9K 50,242 −0.1% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.