GUTHART GARY S

Director at AFFYMETRIX INC · on record since Jun 18, 2009
Director at INTUITIVE SURGICAL INC · on record since Feb 27, 2012
Sr. Vice President at INTUITIVE SURGICAL INC · on record since Feb 18, 2004
Director at ILLUMINA, INC. · on record since Dec 5, 2017

Insider trading activity of GUTHART GARY S

Transactions on record: 593; since Feb 18, 2004

Open-market buys: 0

Open-market sells: 196; $416.3M

Companies traded: 3; last filing Aug 12, 2026

Figures computed from official regulatory filings — .

Companies where GUTHART GARY S has traded

INTUITIVE SURGICAL INC564 tx · $542.4M · Aug 12, 2026
ILLUMINA, INC.11 tx · $334.9K · May 23, 2025
AFFYMETRIX INC18 tx · Apr 1, 2016

Track record of GUTHART GARY S

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

Transaction history of GUTHART GARY S

Co-insiders of GUTHART GARY S

NACHTSHEIM JAMI KAFFYMETRIX INC +1
RUNKEL JOHN F JRAFFYMETRIX INC +1
SIEGEL SUSAN EAFFYMETRIX INC +1
Andersen Reiter KaraINTUITIVE SURGICAL INC
Aravanis AlexanderILLUMINA, INC.
ARCH VENTURE FUND III L PILLUMINA, INC.
ARCH VENTURE PARTNERS LLCILLUMINA, INC.
ARNOLD FRANCESILLUMINA, INC.
BARABE TIMOTHY CAFFYMETRIX INC
BARKER DAVID LILLUMINA, INC.
Barnard StevenILLUMINA, INC.
BARNES SUSAN KINTUITIVE SURGICAL INC
BARRATT CRAIG HINTUITIVE SURGICAL INC
BATTY JOHNAFFYMETRIX INC
Beery Joseph CINTUITIVE SURGICAL INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
INTUITIVE SURGICAL INCListing on record	Aug 12, 2026	Sell	-10,000	400.00 USD	$4M		SEC
INTUITIVE SURGICAL INCListing on record	May 1, 2026	AwardD (derivative)	554	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	ExerciseD (derivative)	-2,506	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	Other	-1,243	503.51 USD	$625.9K		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	ExerciseD (derivative)	-26,334	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	Exercise	26,334	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	Exercise	2,506	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	Other	-13,059	503.51 USD	$6.6M	Unusual size	SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	Other	-1,703	506.17 USD	$862K		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	Exercise	4,960	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	ExerciseD (derivative)	-4,960	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	Exercise	3,433	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	AwardD (derivative)	8,778	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	ExerciseD (derivative)	-3,433	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	Other	-2,460	506.17 USD	$1.2M		SEC
INTUITIVE SURGICAL INCListing on record	Feb 10, 2026	Exercise	2,633	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 10, 2026	ExerciseD (derivative)	-2,633	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 10, 2026	Other	-1,306	492.84 USD	$643.6K		SEC
INTUITIVE SURGICAL INCListing on record	Jan 30, 2026	AwardD (derivative)	8,267	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Jan 30, 2026	AwardD (derivative)	17,556	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	Sell	-1,400	531.53 USD	$744.1K		SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	Sell	-1,400	531.52 USD	$744.1K		SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	Exercise	25,500	174.26 USD	$4.4M	Unusual size	SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	Sell	-24,500	530.10 USD	$13M		SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	ExerciseD (derivative)	-25,500	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
INTUITIVE SURGICAL INCListing on record	Aug 12, 2026	Sell	-10,000	400.00 USD	$4M		SEC
INTUITIVE SURGICAL INCListing on record	May 1, 2026	AwardD (derivative)	554	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	ExerciseD (derivative)	-2,506	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	Other	-1,243	503.51 USD	$625.9K		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	ExerciseD (derivative)	-26,334	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	Exercise	26,334	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	Exercise	2,506	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Mar 3, 2026	Other	-13,059	503.51 USD	$6.6M	Unusual size	SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	Other	-1,703	506.17 USD	$862K		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	Exercise	4,960	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	ExerciseD (derivative)	-4,960	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	Exercise	3,433	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	AwardD (derivative)	8,778	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	ExerciseD (derivative)	-3,433	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 27, 2026	Other	-2,460	506.17 USD	$1.2M		SEC
INTUITIVE SURGICAL INCListing on record	Feb 10, 2026	Exercise	2,633	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 10, 2026	ExerciseD (derivative)	-2,633	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Feb 10, 2026	Other	-1,306	492.84 USD	$643.6K		SEC
INTUITIVE SURGICAL INCListing on record	Jan 30, 2026	AwardD (derivative)	8,267	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Jan 30, 2026	AwardD (derivative)	17,556	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	Sell	-1,400	531.53 USD	$744.1K		SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	Sell	-1,400	531.52 USD	$744.1K		SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	Exercise	25,500	174.26 USD	$4.4M	Unusual size	SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	Sell	-24,500	530.10 USD	$13M		SEC
INTUITIVE SURGICAL INCListing on record	Jan 28, 2026	ExerciseD (derivative)	-25,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC