Barron Hal

SVP - DEVELOPMENT & CMO at GENENTECH INC · on record since Dec 21, 2007
Director at Alexza Pharmaceuticals Inc. · on record since Dec 20, 2007
Director at Quantinuum Inc. · on record since Jun 4, 2026
Director at Juno Therapeutics, Inc. · on record since Dec 23, 2014

Insider trading activity of Barron Hal

Transactions on record: 35; since Jan 26, 2009

Open-market buys: 2; $17.4M

Open-market sells: 0

Companies traded: 4; last filing Jun 8, 2026

Figures computed from official regulatory filings — .

Companies where Barron Hal has traded

Quantinuum Inc.2 tx · $15M · Jun 8, 2026
Juno Therapeutics, Inc.18 tx · $19.1M · Mar 7, 2018
Alexza Pharmaceuticals Inc.6 tx · Jun 8, 2012
GENENTECH INC9 tx · $165.3K · Mar 30, 2009

Track record of Barron Hal

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

Transaction history of Barron Hal

Co-insiders of Barron Hal

Tessier-Lavigne MarcGENENTECH INC +1
GENENTECH INC
AGARWAL SUNILJuno Therapeutics, Inc.
Andreatta Robert EGENENTECH INC
ARCH Venture Partners VII, LLCJuno Therapeutics, Inc.
ATWOOD BRIAN GAlexza Pharmaceuticals Inc.
Azelby RobertJuno Therapeutics, Inc.
Baker EliGENENTECH INC
BHATIA MANISH HQuantinuum Inc.
Bishop Hans EdgarJuno Therapeutics, Inc.
Bolzon Bradley J PhDAlexza Pharmaceuticals Inc.
BOYER HERBERT W PH DGENENTECH INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Quantinuum Inc.Listing unverified	Jun 8, 2026	Buy	250,000	60.00 USD	$15M	conv 82ClusterFirst in 12mo	SEC
Quantinuum Inc.Listing unverified	Jun 8, 2026	Award	5,833	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	Other	-100,000	87.00 USD	$8.7M	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	Other	-3,780	87.00 USD	$328.9K	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	OtherD (derivative)	-75,000	80.64 USD	$6M	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	OtherD (derivative)	-12,000	44.60 USD	$535.2K	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	OtherD (derivative)	-12,000	27.00 USD	$324K	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	OtherD (derivative)	-12,000	63.71 USD	$764.5K	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Jan 9, 2018	Award	336	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Oct 6, 2017	Award	361	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jul 7, 2017	Award	516	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jun 19, 2017	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Apr 6, 2017	Award	698	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jan 9, 2017	Award	768	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Oct 17, 2016	Award	438	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jul 5, 2016	Award	328	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jun 21, 2016	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Apr 7, 2016	Award	335	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jun 16, 2015	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Dec 23, 2014	Buy	100,000	24.00 USD	$2.4M	conv 81ClusterFirst in 12mo	SEC
Alexza Pharmaceuticals Inc.Listing unverified	Jun 8, 2012	AwardD (derivative)	39,918	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Aug 1, 2011	AwardD (derivative)	31,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	May 20, 2010	AwardD (derivative)	6,250	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Jan 28, 2010	Award	18,908	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	May 11, 2009	AwardD (derivative)	6,250	0.00	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
Quantinuum Inc.Listing unverified	Jun 8, 2026	Buy	250,000	60.00 USD	$15M	conv 82ClusterFirst in 12mo	SEC
Quantinuum Inc.Listing unverified	Jun 8, 2026	Award	5,833	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	Other	-100,000	87.00 USD	$8.7M	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	Other	-3,780	87.00 USD	$328.9K	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	OtherD (derivative)	-75,000	80.64 USD	$6M	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	OtherD (derivative)	-12,000	44.60 USD	$535.2K	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	OtherD (derivative)	-12,000	27.00 USD	$324K	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Mar 7, 2018	OtherD (derivative)	-12,000	63.71 USD	$764.5K	Unusual size	SEC
Juno Therapeutics, Inc.Listing unverified	Jan 9, 2018	Award	336	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Oct 6, 2017	Award	361	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jul 7, 2017	Award	516	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jun 19, 2017	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Apr 6, 2017	Award	698	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jan 9, 2017	Award	768	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Oct 17, 2016	Award	438	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jul 5, 2016	Award	328	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jun 21, 2016	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Apr 7, 2016	Award	335	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Jun 16, 2015	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Juno Therapeutics, Inc.Listing unverified	Dec 23, 2014	Buy	100,000	24.00 USD	$2.4M	conv 81ClusterFirst in 12mo	SEC
Alexza Pharmaceuticals Inc.Listing unverified	Jun 8, 2012	AwardD (derivative)	39,918	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Aug 1, 2011	AwardD (derivative)	31,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	May 20, 2010	AwardD (derivative)	6,250	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Jan 28, 2010	Award	18,908	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	May 11, 2009	AwardD (derivative)	6,250	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC