CHEW LEWIS

Director at Arista Networks, Inc. · on record since May 22, 2026
Director at PG&E Corp · on record since Sep 22, 2009
Director at INTUITIVE SURGICAL INC · on record since Apr 30, 2026
Director at CADENCE DESIGN SYSTEMS INC · on record since May 11, 2026
Senior Vice President and CFO at NATIONAL SEMICONDUCTOR CORP · on record since Jan 29, 2004
EVP & Chief Financial Officer at Dolby Laboratories, Inc. · on record since Dec 22, 2015

Insider trading activity of CHEW LEWIS

Transactions on record: 300; since Jan 29, 2004

Open-market buys: 2; $209.4K

Open-market sells: 51; $50.6M

Companies traded: 6; last filing Aug 24, 2026

Figures computed from official regulatory filings — .

Companies where CHEW LEWIS has traded

Arista Networks, Inc.48 tx · Aug 24, 2026
CADENCE DESIGN SYSTEMS INC7 tx · May 11, 2026
INTUITIVE SURGICAL INC7 tx · Apr 30, 2026
Dolby Laboratories, Inc.144 tx · $69.2M · Aug 18, 2021
PG&E Corp13 tx · $209.4K · May 24, 2018
NATIONAL SEMICONDUCTOR CORP81 tx · $28.9M · Sep 23, 2011

Track record of CHEW LEWIS

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

Transaction history of CHEW LEWIS

Co-insiders of CHEW LEWIS

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Arista Networks, Inc.Listing on record	Aug 24, 2026	ExerciseD (derivative)	-538	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Aug 24, 2026	Exercise	538	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Jun 2, 2026	AwardD (derivative)	2,153	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	May 22, 2026	ExerciseD (derivative)	-971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	May 22, 2026	Exercise	971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
CADENCE DESIGN SYSTEMS INCListing on record	May 11, 2026	Award	714	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	Apr 30, 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	Apr 30, 2026	Exercise	531	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	Apr 30, 2026	ExerciseD (derivative)	-531	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Feb 24, 2026	Exercise	971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Feb 24, 2026	ExerciseD (derivative)	-971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Nov 24, 2025	Exercise	971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Nov 24, 2025	ExerciseD (derivative)	-971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Aug 22, 2025	Exercise	971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Aug 22, 2025	ExerciseD (derivative)	-971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Jun 3, 2025	AwardD (derivative)	3,884	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	May 22, 2025	Exercise	844	—	n/a (No price was disclosed in the filing)	SEC
Arista Networks, Inc.Listing on record	May 22, 2025	ExerciseD (derivative)	-844	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
CADENCE DESIGN SYSTEMS INCListing on record	May 12, 2025	Award	779	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	May 1, 2025	AwardD (derivative)	531	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	Apr 25, 2025	Exercise	739	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	Apr 25, 2025	ExerciseD (derivative)	-739	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Feb 24, 2025	ExerciseD (derivative)	-844	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Feb 24, 2025	Exercise	844	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Nov 22, 2024	ExerciseD (derivative)	-212	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
Arista Networks, Inc.Listing on record	Aug 24, 2026	ExerciseD (derivative)	-538	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Aug 24, 2026	Exercise	538	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Jun 2, 2026	AwardD (derivative)	2,153	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	May 22, 2026	ExerciseD (derivative)	-971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	May 22, 2026	Exercise	971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
CADENCE DESIGN SYSTEMS INCListing on record	May 11, 2026	Award	714	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	Apr 30, 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	Apr 30, 2026	Exercise	531	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	Apr 30, 2026	ExerciseD (derivative)	-531	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Feb 24, 2026	Exercise	971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Feb 24, 2026	ExerciseD (derivative)	-971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Nov 24, 2025	Exercise	971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Nov 24, 2025	ExerciseD (derivative)	-971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Aug 22, 2025	Exercise	971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Aug 22, 2025	ExerciseD (derivative)	-971	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Jun 3, 2025	AwardD (derivative)	3,884	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	May 22, 2025	Exercise	844	—	n/a (No price was disclosed in the filing)	SEC
Arista Networks, Inc.Listing on record	May 22, 2025	ExerciseD (derivative)	-844	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
CADENCE DESIGN SYSTEMS INCListing on record	May 12, 2025	Award	779	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	May 1, 2025	AwardD (derivative)	531	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	Apr 25, 2025	Exercise	739	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
INTUITIVE SURGICAL INCListing on record	Apr 25, 2025	ExerciseD (derivative)	-739	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Feb 24, 2025	ExerciseD (derivative)	-844	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Feb 24, 2025	Exercise	844	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Arista Networks, Inc.Listing on record	Nov 22, 2024	ExerciseD (derivative)	-212	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC