DUGGAN ROBERT W

Director at INTUITIVE SURGICAL INC · on record since Mar 16, 2006
10% owner at PHARMACYCLICS INC · on record since Jan 10, 2006
Co-Chief Executive Officer at Summit Therapeutics Inc. · on record since Sep 18, 2020
Director at PHARMACYCLICS INC · on record since Sep 19, 2007
Chairman and CEO at PHARMACYCLICS INC · on record since Apr 4, 2012
Director at PULSE BIOSCIENCES, INC. · on record since May 11, 2026
10% owner at PULSE BIOSCIENCES, INC. · on record since May 11, 2026
Director at Summit Therapeutics Inc. · on record since Jun 4, 2026
10% owner at Summit Therapeutics Inc. · on record since Jun 4, 2026
10% owner at Achaogen, Inc. · on record since Dec 20, 2017

Insider trading activity of DUGGAN ROBERT W

Transactions on record: 1,050; since May 24, 2004

Open-market buys: 274; $920.4M

Open-market sells: 438; $156.8M

Companies traded: 5; last filing Jun 15, 2026

Figures computed from official regulatory filings — .

Companies where DUGGAN ROBERT W has traded

PULSE BIOSCIENCES, INC.160 tx · $341.3M · Jun 15, 2026
Summit Therapeutics Inc.25 tx · $1B · Jun 12, 2026
Achaogen, Inc.40 tx · $34.9M · Mar 20, 2019
PHARMACYCLICS INC228 tx · $3.6B · May 28, 2015
INTUITIVE SURGICAL INC597 tx · $164.6M · May 19, 2011

Track record of DUGGAN ROBERT W

Statistical track record

Free account

Open-market buys: 284

Last buy: Jun 12, 2026

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of DUGGAN ROBERT W

Co-insiders of DUGGAN ROBERT W

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
PULSE BIOSCIENCES, INC.Listing on record	Jun 15, 2026	AwardD (derivative)	12,495	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PULSE BIOSCIENCES, INC.Listing on record	Jun 15, 2026	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Therapeutics Inc.Listing on record	Jun 12, 2026	Buy	3,810,000	13.12 USD	$50M	conv 60ClusterUnusual size	SEC
Summit Therapeutics Inc.Listing on record	Jun 4, 2026	Buy	100,000	14.60 USD	$1.5M	conv 40Cluster	SEC
PULSE BIOSCIENCES, INC.Listing on record	May 15, 2026	Buy	660,233	19.69 USD	$13M	conv 51Unusual size	SEC
Summit Therapeutics Inc.Listing on record	Jan 6, 2026	AwardD (derivative)	11,232	8.76 USD	$98.4K		SEC
Summit Therapeutics Inc.Listing on record	Oct 23, 2025	Award	266,808	18.74 USD	$5M		SEC
Summit Therapeutics Inc.Listing on record	Oct 23, 2025	Award	13,980,789	18.74 USD	$262M	Unusual size	SEC
Summit Therapeutics Inc.Listing on record	Oct 23, 2025	Buy	26,680	18.74 USD	$500K	conv 53Cluster	SEC
PULSE BIOSCIENCES, INC.Listing on record	Sep 12, 2025	Buy	34,659	14.66 USD	$508.1K	conv 27	SEC
PULSE BIOSCIENCES, INC.Listing on record	Sep 12, 2025	Buy	145,140	14.41 USD	$2.1M	conv 30Cluster	SEC
PULSE BIOSCIENCES, INC.Listing on record	Sep 12, 2025	Buy	12,800	14.77 USD	$189.1K	conv 31Cluster	SEC
Summit Therapeutics Inc.Listing on record	Sep 11, 2025	Buy	333,394	17.68 USD	$5.9M	conv 53Unusual size	SEC
Summit Therapeutics Inc.Listing on record	Sep 11, 2025	Buy	5,000	18.07 USD	$90.4K	conv 29	SEC
PULSE BIOSCIENCES, INC.Listing on record	Aug 19, 2025	AwardD (derivative)	20,792	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PULSE BIOSCIENCES, INC.Listing on record	Aug 19, 2025	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Therapeutics Inc.Listing on record	Jun 2, 2025	Exercise	74,545	2.64 USD	$196.8K	Unusual size	SEC
Summit Therapeutics Inc.Listing on record	Jun 2, 2025	ExerciseD (derivative)	-74,545	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Therapeutics Inc.Listing on record	May 1, 2025	AwardD (derivative)	9,590,558	—	n/a (No price was disclosed in the filing)		SEC
Summit Therapeutics Inc.Listing on record	May 1, 2025	AwardD (derivative)	1,040,000	—	n/a (No price was disclosed in the filing)		SEC
Summit Therapeutics Inc.Listing on record	May 1, 2025	AwardD (derivative)	400,000	—	n/a (No price was disclosed in the filing)		SEC
Summit Therapeutics Inc.Listing on record	Apr 9, 2025	Other	3,985,055	1.58 USD	$6.3M		SEC
Summit Therapeutics Inc.Listing on record	Apr 9, 2025	OtherD (derivative)	3,985,055	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Therapeutics Inc.Listing on record	Jan 6, 2025	AwardD (derivative)	10,724	9.18 USD	$98.4K		SEC
PULSE BIOSCIENCES, INC.Listing on record	Dec 18, 2024	OtherD (derivative)	-2,593,912	—	n/a (No price was disclosed in the filing)		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
PULSE BIOSCIENCES, INC.Listing on record	Jun 15, 2026	AwardD (derivative)	12,495	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PULSE BIOSCIENCES, INC.Listing on record	Jun 15, 2026	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Therapeutics Inc.Listing on record	Jun 12, 2026	Buy	3,810,000	13.12 USD	$50M	conv 60ClusterUnusual size	SEC
Summit Therapeutics Inc.Listing on record	Jun 4, 2026	Buy	100,000	14.60 USD	$1.5M	conv 40Cluster	SEC
PULSE BIOSCIENCES, INC.Listing on record	May 15, 2026	Buy	660,233	19.69 USD	$13M	conv 51Unusual size	SEC
Summit Therapeutics Inc.Listing on record	Jan 6, 2026	AwardD (derivative)	11,232	8.76 USD	$98.4K		SEC
Summit Therapeutics Inc.Listing on record	Oct 23, 2025	Award	266,808	18.74 USD	$5M		SEC
Summit Therapeutics Inc.Listing on record	Oct 23, 2025	Award	13,980,789	18.74 USD	$262M	Unusual size	SEC
Summit Therapeutics Inc.Listing on record	Oct 23, 2025	Buy	26,680	18.74 USD	$500K	conv 53Cluster	SEC
PULSE BIOSCIENCES, INC.Listing on record	Sep 12, 2025	Buy	34,659	14.66 USD	$508.1K	conv 27	SEC
PULSE BIOSCIENCES, INC.Listing on record	Sep 12, 2025	Buy	145,140	14.41 USD	$2.1M	conv 30Cluster	SEC
PULSE BIOSCIENCES, INC.Listing on record	Sep 12, 2025	Buy	12,800	14.77 USD	$189.1K	conv 31Cluster	SEC
Summit Therapeutics Inc.Listing on record	Sep 11, 2025	Buy	333,394	17.68 USD	$5.9M	conv 53Unusual size	SEC
Summit Therapeutics Inc.Listing on record	Sep 11, 2025	Buy	5,000	18.07 USD	$90.4K	conv 29	SEC
PULSE BIOSCIENCES, INC.Listing on record	Aug 19, 2025	AwardD (derivative)	20,792	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PULSE BIOSCIENCES, INC.Listing on record	Aug 19, 2025	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Therapeutics Inc.Listing on record	Jun 2, 2025	Exercise	74,545	2.64 USD	$196.8K	Unusual size	SEC
Summit Therapeutics Inc.Listing on record	Jun 2, 2025	ExerciseD (derivative)	-74,545	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Therapeutics Inc.Listing on record	May 1, 2025	AwardD (derivative)	9,590,558	—	n/a (No price was disclosed in the filing)		SEC
Summit Therapeutics Inc.Listing on record	May 1, 2025	AwardD (derivative)	1,040,000	—	n/a (No price was disclosed in the filing)		SEC
Summit Therapeutics Inc.Listing on record	May 1, 2025	AwardD (derivative)	400,000	—	n/a (No price was disclosed in the filing)		SEC
Summit Therapeutics Inc.Listing on record	Apr 9, 2025	Other	3,985,055	1.58 USD	$6.3M		SEC
Summit Therapeutics Inc.Listing on record	Apr 9, 2025	OtherD (derivative)	3,985,055	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Therapeutics Inc.Listing on record	Jan 6, 2025	AwardD (derivative)	10,724	9.18 USD	$98.4K		SEC
PULSE BIOSCIENCES, INC.Listing on record	Dec 18, 2024	OtherD (derivative)	-2,593,912	—	n/a (No price was disclosed in the filing)		SEC