YOUNG WILLIAM D

Director at HUMAN GENOME SCIENCES INC · on record since Apr 28, 2006
Director at Innoviva, Inc. · on record since Apr 28, 2006
Director at Monogram Biosciences, Inc. · on record since Apr 11, 2006
Director at Autolus Therapeutics plc · on record since Mar 18, 2026
Director at BIOMARIN PHARMACEUTICAL INC · on record since Sep 24, 2010
Director at Diadexus, Inc. · on record since Aug 27, 2003
Director at Theravance Biopharma, Inc. · on record since May 14, 2014
Director at VERTEX PHARMACEUTICALS INC / MA · on record since May 9, 2014
Director at Praxis Precision Medicines, Inc. · on record since Jun 12, 2026
Chairman, CEO at Monogram Biosciences, Inc. · on record since Aug 9, 2005

Insider trading activity of YOUNG WILLIAM D

Transactions on record: 113; since Aug 27, 2003

Open-market buys: 16; $164.8K

Open-market sells: 11; $11.3M

Companies traded: 9; last filing Jul 1, 2026

Figures computed from official regulatory filings — .

Companies where YOUNG WILLIAM D has traded

Autolus Therapeutics plc2 tx · Jul 1, 2026
Praxis Precision Medicines, Inc.8 tx · Jun 12, 2026
Theravance Biopharma, Inc.15 tx · Apr 28, 2022
VERTEX PHARMACEUTICALS INC / MA23 tx · $14.4M · Jun 3, 2020
BIOMARIN PHARMACEUTICAL INC11 tx · $681K · Jun 18, 2015
Innoviva, Inc.27 tx · $913.2K · May 27, 2014
24 tx · $164.8K · Jan 22, 2009
2 tx · Apr 28, 2006
1 tx · $45.7K · Aug 27, 2003

Track record of YOUNG WILLIAM D

Open-market buys: 16

Last buy: May 9, 2008

Enough buys on record, but none of them has a 63-day return yet — this happens when the shares stopped trading, or when the buys are too recent. Win rates will appear once returns mature.

Transaction history of YOUNG WILLIAM D

Co-insiders of YOUNG WILLIAM D

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Autolus Therapeutics plcListing on record	Jul 1, 2026	AwardD (derivative)	47,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Autolus Therapeutics plcListing on record	Jul 1, 2026	AwardD (derivative)	31,667	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 12, 2026	Award	1,371	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 12, 2026	AwardD (derivative)	648	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 27, 2025	AwardD (derivative)	10,520	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 6, 2024	AwardD (derivative)	8,566	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 14, 2023	AwardD (derivative)	28,981	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	May 27, 2022	AwardD (derivative)	22,753	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 28, 2022	AwardD (derivative)	28,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 28, 2022	Award	9,852	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jul 7, 2021	Other	28,473	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 9, 2021	AwardD (derivative)	22,343	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 29, 2021	Award	9,828	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 29, 2021	AwardD (derivative)	6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jun 3, 2020	AwardD (derivative)	4,527	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 30, 2020	Award	6,635	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 30, 2020	AwardD (derivative)	6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Sell	-100	220.08 USD	$22K		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Sell	-10,134	219.37 USD	$2.2M		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Exercise	20,000	72.14 USD	$1.4M	Unusual size	SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	ExerciseD (derivative)	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Sell	-2,500	217.72 USD	$544.3K		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Sell	-7,266	218.73 USD	$1.6M		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 2, 2020	Sell	-500	220.25 USD	$110.1K		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 2, 2020	Sell	-300	221.16 USD	$66.3K	Unusual size	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Autolus Therapeutics plcListing on record	Jul 1, 2026	AwardD (derivative)	47,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Autolus Therapeutics plcListing on record	Jul 1, 2026	AwardD (derivative)	31,667	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 12, 2026	Award	1,371	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 12, 2026	AwardD (derivative)	648	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 27, 2025	AwardD (derivative)	10,520	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 6, 2024	AwardD (derivative)	8,566	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 14, 2023	AwardD (derivative)	28,981	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	May 27, 2022	AwardD (derivative)	22,753	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 28, 2022	AwardD (derivative)	28,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 28, 2022	Award	9,852	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jul 7, 2021	Other	28,473	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Praxis Precision Medicines, Inc.Listing on record	Jun 9, 2021	AwardD (derivative)	22,343	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 29, 2021	Award	9,828	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 29, 2021	AwardD (derivative)	6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jun 3, 2020	AwardD (derivative)	4,527	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 30, 2020	Award	6,635	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Theravance Biopharma, Inc.Listing on record	Apr 30, 2020	AwardD (derivative)	6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Sell	-100	220.08 USD	$22K		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Sell	-10,134	219.37 USD	$2.2M		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Exercise	20,000	72.14 USD	$1.4M	Unusual size	SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	ExerciseD (derivative)	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Sell	-2,500	217.72 USD	$544.3K		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 6, 2020	Sell	-7,266	218.73 USD	$1.6M		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 2, 2020	Sell	-500	220.25 USD	$110.1K		SEC
VERTEX PHARMACEUTICALS INC / MAListing on record	Jan 2, 2020	Sell	-300	221.16 USD	$66.3K	Unusual size	SEC