DEAN ROBERT W II

Controller at VARIAN INC · on record since Sep 17, 2008
Interim CFO at MONOLITHIC POWER SYSTEMS, INC. · on record since May 15, 2026

Insider trading activity of DEAN ROBERT W II

Transactions on record: 23; since Sep 17, 2008

Open-market buys: 0

Open-market sells: 5; $233.7K

Companies traded: 2; last filing Aug 26, 2026

Figures computed from official regulatory filings — .

Companies where DEAN ROBERT W II has traded

MONOLITHIC POWER SYSTEMS, INC.8 tx · $233.7K · Aug 26, 2026
VARIAN INC15 tx · $217.8K · May 14, 2010

Track record of DEAN ROBERT W II

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

Transaction history of DEAN ROBERT W II

Co-insiders of DEAN ROBERT W II

BAVP, L.P.MONOLITHIC POWER SYSTEMS, INC.
Blegen TheodoreMONOLITHIC POWER SYSTEMS, INC.
CHANG KUO WEI HERBERTMONOLITHIC POWER SYSTEMS, INC.
Chiocchi AdrianaMONOLITHIC POWER SYSTEMS, INC.
CHRISTOFFERSEN TIMMONOLITHIC POWER SYSTEMS, INC.
DE SCHUTTER RICHARD UVARIAN INC
EARHART ALAN LMONOLITHIC POWER SYSTEMS, INC.
Elmiger Eugen JMONOLITHIC POWER SYSTEMS, INC.
Forefront Associates LLCMONOLITHIC POWER SYSTEMS, INC.
FOREFRONT VENTURE PARTNERS LPMONOLITHIC POWER SYSTEMS, INC.
GLOVER JAMES TVARIAN INC
HEWITT CONRAD WVARIAN INC
HOMAN ARTHUR WVARIAN INC
Hsing MichaelMONOLITHIC POWER SYSTEMS, INC.
Hsing SharonMONOLITHIC POWER SYSTEMS, INC.
INVESTAR BURGEON VENTURE CAPITAL INCMONOLITHIC POWER SYSTEMS, INC.
INVESTAR CAPITAL INCMONOLITHIC POWER SYSTEMS, INC.
INVESTAR DAYSPRING VENTURE CAPITAL INCMONOLITHIC POWER SYSTEMS, INC.
INVESTAR EXCELSUS VENTURE CAPITAL INTL INC LDCMONOLITHIC POWER SYSTEMS, INC.
InveStar Semiconductor Development Fund IncMONOLITHIC POWER SYSTEMS, INC.
InveStar Semiconductor Development Fund Inc (II) LDCMONOLITHIC POWER SYSTEMS, INC.
Jones Jim J IIIMONOLITHIC POWER SYSTEMS, INC.
LAUER ALLEN JVARIAN INC
Lee Victor KMONOLITHIC POWER SYSTEMS, INC.
Martinez CarintiaMONOLITHIC POWER SYSTEMS, INC.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Aug 26, 2026	Sell	-32	1,297.72 USD	$41.5K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Aug 26, 2026	Other	-5	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Aug 19, 2026	Sell	-6	1,413.64 USD	$8.5K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Aug 6, 2026	Sell	-105	1,344.27 USD	$141.1K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Jul 28, 2026	Award	1,359	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	May 28, 2026	Sell	-22	1,649.56 USD	$36.3K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	May 20, 2026	Sell	-4	1,563.28 USD	$6.3K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	May 15, 2026	Other	-2,156	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	May 14, 2010	OtherD (derivative)	-1,800	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	May 14, 2010	OtherD (derivative)	-3,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	May 14, 2010	Other	-1,427	52.00	$74.2K	SEC
VARIAN INCListing unverified	May 14, 2010	Other	-1,999	52.00	$103.9K	SEC
VARIAN INCListing unverified	May 14, 2010	OtherD (derivative)	-5,500	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	Mar 17, 2010	Other	-147	51.77	$7.6K	SEC
VARIAN INCListing unverified	Oct 6, 2009	Exercise	143	32.17	$4.6K	SEC
VARIAN INCListing unverified	Sep 16, 2009	Other	-239	51.00	$12.2K	SEC
VARIAN INCListing unverified	Jul 8, 2009	Exercise	260	20.70	$5.4K	SEC
VARIAN INCListing unverified	Apr 7, 2009	Exercise	216	20.70	$4.5K	SEC
VARIAN INCListing unverified	Mar 17, 2009	Award	1,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	Jan 7, 2009	Exercise	193	27.83	$5.4K	SEC
VARIAN INCListing unverified	Nov 17, 2008	AwardD (derivative)	3,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	Sep 17, 2008	Award	2,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	Sep 17, 2008	AwardD (derivative)	5,500	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	Src
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Aug 26, 2026	Sell	-32	1,297.72 USD	$41.5K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Aug 26, 2026	Other	-5	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Aug 19, 2026	Sell	-6	1,413.64 USD	$8.5K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Aug 6, 2026	Sell	-105	1,344.27 USD	$141.1K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	Jul 28, 2026	Award	1,359	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	May 28, 2026	Sell	-22	1,649.56 USD	$36.3K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	May 20, 2026	Sell	-4	1,563.28 USD	$6.3K	SEC
MONOLITHIC POWER SYSTEMS, INC.Listing on record	May 15, 2026	Other	-2,156	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	May 14, 2010	OtherD (derivative)	-1,800	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	May 14, 2010	OtherD (derivative)	-3,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	May 14, 2010	Other	-1,427	52.00	$74.2K	SEC
VARIAN INCListing unverified	May 14, 2010	Other	-1,999	52.00	$103.9K	SEC
VARIAN INCListing unverified	May 14, 2010	OtherD (derivative)	-5,500	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	Mar 17, 2010	Other	-147	51.77	$7.6K	SEC
VARIAN INCListing unverified	Oct 6, 2009	Exercise	143	32.17	$4.6K	SEC
VARIAN INCListing unverified	Sep 16, 2009	Other	-239	51.00	$12.2K	SEC
VARIAN INCListing unverified	Jul 8, 2009	Exercise	260	20.70	$5.4K	SEC
VARIAN INCListing unverified	Apr 7, 2009	Exercise	216	20.70	$4.5K	SEC
VARIAN INCListing unverified	Mar 17, 2009	Award	1,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	Jan 7, 2009	Exercise	193	27.83	$5.4K	SEC
VARIAN INCListing unverified	Nov 17, 2008	AwardD (derivative)	3,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	Sep 17, 2008	Award	2,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VARIAN INCListing unverified	Sep 17, 2008	AwardD (derivative)	5,500	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC