PATTERSON LEONE D

Vice President, Controller at CHIRON CORP · on record since Mar 31, 2004
EVP, Chief Bus & Fin Officer at Zymeworks Inc. · on record since Sep 3, 2024
Vice President, CFO at Paratek Pharmaceuticals, Inc. · on record since Jun 26, 2012
Director at Kalaris Therapeutics, Inc. · on record since Jun 4, 2026
Director at Nkarta, Inc. · on record since Jun 11, 2026
Chief Financial Officer at Diadexus, Inc. · on record since Mar 24, 2015
Director at Adverum Biotechnologies, Inc. · on record since Feb 19, 2019
President and CFO at Adverum Biotechnologies, Inc. · on record since Feb 19, 2019
Director at Climb Bio, Inc. · on record since Aug 9, 2021
Chief Fin. and Bus. Officer at Tenaya Therapeutics, Inc. · on record since Jul 29, 2021

Insider trading activity of PATTERSON LEONE D

Transactions on record: 85; since Sep 16, 2003

Open-market buys: 0

Open-market sells: 18; $2.1M

Companies traded: 9; last filing Jun 11, 2026

Figures computed from official regulatory filings — .

Companies where PATTERSON LEONE D has traded

Nkarta, Inc.8 tx · Jun 11, 2026
Kalaris Therapeutics, Inc.2 tx · Jun 4, 2026
Zymeworks Inc.4 tx · $4.8K · Jan 7, 2026
Tenaya Therapeutics, Inc.8 tx · $47.4K · Feb 27, 2024
Climb Bio, Inc.1 tx · Jun 1, 2022
29 tx · $2.8M · Feb 18, 2021
1 tx · Mar 24, 2015
7 tx · $89.8K · Oct 30, 2014
25 tx · $519.5K · Feb 24, 2005

Track record of PATTERSON LEONE D

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of PATTERSON LEONE D

Co-insiders of PATTERSON LEONE D

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Nkarta, Inc.Listing on record	Jun 11, 2026	AwardD (derivative)	37,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kalaris Therapeutics, Inc.Listing unverified	Jun 4, 2026	AwardD (derivative)	9,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Zymeworks Inc.Listing unverified	Jan 7, 2026	Award	459	10.55 USD	$4.8K	SEC
Nkarta, Inc.Listing on record	Jun 9, 2025	AwardD (derivative)	46,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kalaris Therapeutics, Inc.Listing unverified	Apr 11, 2025	AwardD (derivative)	18,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Zymeworks Inc.Listing unverified	Jan 10, 2025	AwardD (derivative)	79,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Zymeworks Inc.Listing unverified	Jan 10, 2025	AwardD (derivative)	53,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Zymeworks Inc.Listing unverified	Sep 3, 2024	AwardD (derivative)	360,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Nkarta, Inc.Listing on record	Jun 14, 2024	AwardD (derivative)	22,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 27, 2024	Award	35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 27, 2024	AwardD (derivative)	205,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 16, 2024	Sell	-5,201	5.86 USD	$30.5K	SEC
Tenaya Therapeutics, Inc.Listing on record	Aug 18, 2023	Sell	-4,452	3.81 USD	$17K	SEC
Nkarta, Inc.Listing on record	Jun 9, 2023	AwardD (derivative)	22,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 17, 2023	Award	35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 17, 2023	Award	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 17, 2023	AwardD (derivative)	190,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Nkarta, Inc.Listing on record	Jun 10, 2022	AwardD (derivative)	16,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Climb Bio, Inc.Listing on record	Jun 1, 2022	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 17, 2022	AwardD (derivative)	66,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Nkarta, Inc.Listing on record	Jun 15, 2021	AwardD (derivative)	16,511	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Adverum Biotechnologies, Inc.Listing unverified	Feb 18, 2021	AwardD (derivative)	240,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Adverum Biotechnologies, Inc.Listing unverified	Feb 11, 2021	Sell	-12,471	14.10 USD	$175.8K	SEC
Adverum Biotechnologies, Inc.Listing unverified	Feb 11, 2021	Sell	-62	14.14 USD	$876.7	SEC
Nkarta, Inc.Listing on record	Jul 13, 2020	AwardD (derivative)	10,700	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	Src
Nkarta, Inc.Listing on record	Jun 11, 2026	AwardD (derivative)	37,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kalaris Therapeutics, Inc.Listing unverified	Jun 4, 2026	AwardD (derivative)	9,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Zymeworks Inc.Listing unverified	Jan 7, 2026	Award	459	10.55 USD	$4.8K	SEC
Nkarta, Inc.Listing on record	Jun 9, 2025	AwardD (derivative)	46,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kalaris Therapeutics, Inc.Listing unverified	Apr 11, 2025	AwardD (derivative)	18,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Zymeworks Inc.Listing unverified	Jan 10, 2025	AwardD (derivative)	79,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Zymeworks Inc.Listing unverified	Jan 10, 2025	AwardD (derivative)	53,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Zymeworks Inc.Listing unverified	Sep 3, 2024	AwardD (derivative)	360,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Nkarta, Inc.Listing on record	Jun 14, 2024	AwardD (derivative)	22,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 27, 2024	Award	35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 27, 2024	AwardD (derivative)	205,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 16, 2024	Sell	-5,201	5.86 USD	$30.5K	SEC
Tenaya Therapeutics, Inc.Listing on record	Aug 18, 2023	Sell	-4,452	3.81 USD	$17K	SEC
Nkarta, Inc.Listing on record	Jun 9, 2023	AwardD (derivative)	22,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 17, 2023	Award	35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 17, 2023	Award	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 17, 2023	AwardD (derivative)	190,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Nkarta, Inc.Listing on record	Jun 10, 2022	AwardD (derivative)	16,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Climb Bio, Inc.Listing on record	Jun 1, 2022	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 17, 2022	AwardD (derivative)	66,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Nkarta, Inc.Listing on record	Jun 15, 2021	AwardD (derivative)	16,511	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Adverum Biotechnologies, Inc.Listing unverified	Feb 18, 2021	AwardD (derivative)	240,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Adverum Biotechnologies, Inc.Listing unverified	Feb 11, 2021	Sell	-12,471	14.10 USD	$175.8K	SEC
Adverum Biotechnologies, Inc.Listing unverified	Feb 11, 2021	Sell	-62	14.14 USD	$876.7	SEC
Nkarta, Inc.Listing on record	Jul 13, 2020	AwardD (derivative)	10,700	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC