MAYFIELD DAVID

COO and President at CATAPULT COMMUNICATIONS CORP · on record since Apr 27, 2005

Insider trading activity of MAYFIELD DAVID

Transactions on record: 38; since Mar 5, 2004

Open-market buys: 0

Open-market sells: 10

Companies traded: 1; last filing Jun 24, 2009

Figures computed from official regulatory filings — methodology.

Companies where MAYFIELD DAVID has traded

CATAPULT COMMUNICATIONS CORP38 tx · $160.3K · Jun 24, 2009

Track record of MAYFIELD DAVID

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

Transaction history of MAYFIELD DAVID

Co-insiders of MAYFIELD DAVID

CROSS PETERCATAPULT COMMUNICATIONS CORP
EASTHAM TERRYCATAPULT COMMUNICATIONS CORP
FAIRHURST BARBARA JCATAPULT COMMUNICATIONS CORP
FOWLER ADAMCATAPULT COMMUNICATIONS CORP
HEINRICHS R STEPHENCATAPULT COMMUNICATIONS CORP
HOGLUND BARRY RCATAPULT COMMUNICATIONS CORP
IXIACATAPULT COMMUNICATIONS CORP

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Company	Filed	Type	Qty	Price	Value · USD	Src
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-60,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-10,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-30,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-55,000	1.66	$91.3K	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-20,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-40,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-33,500	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-18,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-20,000	3.45	$69K	SEC
CATAPULT COMMUNICATIONS CORP	Sep 2, 2008	AwardD	55,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	May 1, 2007	AwardD	60,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	May 3, 2006	AwardD	40,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Apr 27, 2005	AwardD	20,000	0.00 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 15, 2005	ExerciseD	-2,000	0.00 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 15, 2005	Exercise	2,000	9.91 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 15, 2005	Sell	-2,000	22.60 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	Sell	-603	22.21 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	Sell	-97	22.24 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	Exercise	2,000	9.91 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	Sell	-1,300	22.75 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	ExerciseD	-2,000	0.00 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 10, 2005	Sell	-2,000	22.60 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 10, 2005	Exercise	4,000	9.91 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 10, 2005	ExerciseD	-4,000	0.00 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 10, 2005	Sell	-2,000	22.50 USD	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-60,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-10,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-30,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-55,000	1.66	$91.3K	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-20,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-40,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-33,500	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-18,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Jun 24, 2009	OtherD	-20,000	3.45	$69K	SEC
CATAPULT COMMUNICATIONS CORP	Sep 2, 2008	AwardD	55,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	May 1, 2007	AwardD	60,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	May 3, 2006	AwardD	40,000	0.00	$0	SEC
CATAPULT COMMUNICATIONS CORP	Apr 27, 2005	AwardD	20,000	0.00 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 15, 2005	ExerciseD	-2,000	0.00 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 15, 2005	Exercise	2,000	9.91 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 15, 2005	Sell	-2,000	22.60 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	Sell	-603	22.21 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	Sell	-97	22.24 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	Exercise	2,000	9.91 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	Sell	-1,300	22.75 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 14, 2005	ExerciseD	-2,000	0.00 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 10, 2005	Sell	-2,000	22.60 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 10, 2005	Exercise	4,000	9.91 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 10, 2005	ExerciseD	-4,000	0.00 USD	—	SEC
CATAPULT COMMUNICATIONS CORP	Feb 10, 2005	Sell	-2,000	22.50 USD	—	SEC