KAKKIS EMIL D

Director at Ultragenyx Pharmaceutical Inc. · on record since Apr 20, 2026
SVP, Business Operations at BIOMARIN PHARMACEUTICAL INC · on record since Dec 31, 2003
10% owner at Ultragenyx Pharmaceutical Inc. · on record since Jan 30, 2014
President & CEO at Ultragenyx Pharmaceutical Inc. · on record since Mar 28, 2014

Insider trading activity of KAKKIS EMIL D

Transactions on record: 354; since Dec 31, 2003

Open-market buys: 10; $775.3K

Open-market sells: 215; $55.4M

Companies traded: 2; last filing Apr 20, 2026

Figures computed from official regulatory filings — .

Companies where KAKKIS EMIL D has traded

Ultragenyx Pharmaceutical Inc.136 tx · $56.2M · Apr 20, 2026
BIOMARIN PHARMACEUTICAL INC218 tx · $11.5M · Mar 4, 2009

Track record of KAKKIS EMIL D

Statistical track record

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Open-market buys: 10

Last buy: Sep 11, 2019

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Transaction history of KAKKIS EMIL D

Co-insiders of KAKKIS EMIL D

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Ultragenyx Pharmaceutical Inc.Listing on record	Apr 20, 2026	AwardD (derivative)	132,693	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Apr 20, 2026	Award	76,745	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 3, 2026	Award	71,177	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 3, 2026	Sell	-54,404	22.80 USD	$1.2M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	Award	107,292	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	AwardD (derivative)	78,448	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	Sell	-73,434	42.10 USD	$3.1M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	Sell	-25,000	42.48 USD	$1.1M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	Award	43,268	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Dec 31, 2024	Sell	-11,727	42.23 USD	$495.2K		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Dec 11, 2024	Gift	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Dec 11, 2024	Sell	-8,273	50.00 USD	$413.7K		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Sep 5, 2024	Sell	-20,000	55.85 USD	$1.1M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Aug 7, 2024	Sell	-20,000	50.17 USD	$1M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 5, 2024	AwardD (derivative)	70,094	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 5, 2024	Award	38,428	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 5, 2024	Other	-17,417	53.69 USD	$935.1K		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 5, 2024	Award	3,132	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Feb 8, 2024	Sell	-30,000	45.00 USD	$1.4M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Jan 2, 2024	Sell	-30,000	47.87 USD	$1.4M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Oct 23, 2023	ExerciseD (derivative)	-47,853	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Oct 23, 2023	Exercise	47,853	6.86 USD	$328.3K	Unusual size	SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Oct 23, 2023	Sell	-47,853	33.52 USD	$1.6M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 3, 2023	Other	-16,140	45.65 USD	$736.8K		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 3, 2023	AwardD (derivative)	83,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Ultragenyx Pharmaceutical Inc.Listing on record	Apr 20, 2026	AwardD (derivative)	132,693	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Apr 20, 2026	Award	76,745	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 3, 2026	Award	71,177	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 3, 2026	Sell	-54,404	22.80 USD	$1.2M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	Award	107,292	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	AwardD (derivative)	78,448	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	Sell	-73,434	42.10 USD	$3.1M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	Sell	-25,000	42.48 USD	$1.1M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 4, 2025	Award	43,268	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Dec 31, 2024	Sell	-11,727	42.23 USD	$495.2K		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Dec 11, 2024	Gift	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Dec 11, 2024	Sell	-8,273	50.00 USD	$413.7K		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Sep 5, 2024	Sell	-20,000	55.85 USD	$1.1M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Aug 7, 2024	Sell	-20,000	50.17 USD	$1M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 5, 2024	AwardD (derivative)	70,094	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 5, 2024	Award	38,428	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 5, 2024	Other	-17,417	53.69 USD	$935.1K		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 5, 2024	Award	3,132	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Feb 8, 2024	Sell	-30,000	45.00 USD	$1.4M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Jan 2, 2024	Sell	-30,000	47.87 USD	$1.4M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Oct 23, 2023	ExerciseD (derivative)	-47,853	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Oct 23, 2023	Exercise	47,853	6.86 USD	$328.3K	Unusual size	SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Oct 23, 2023	Sell	-47,853	33.52 USD	$1.6M		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 3, 2023	Other	-16,140	45.65 USD	$736.8K		SEC
Ultragenyx Pharmaceutical Inc.Listing on record	Mar 3, 2023	AwardD (derivative)	83,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC