WALKER LAURENCE G

Director at MCDATA CORP · on record since Mar 16, 2006
Director at SILICON LABORATORIES INC. · on record since Jun 26, 2006

Insider trading activity of WALKER LAURENCE G

Transactions on record: 98; since Feb 26, 2004

Open-market buys: 0

Open-market sells: 22; $4.1M

Companies traded: 2; last filing May 11, 2015

Figures computed from official regulatory filings — .

Companies where WALKER LAURENCE G has traded

SILICON LABORATORIES INC.91 tx · $6.7M · May 11, 2015
MCDATA CORP7 tx · $454K · Mar 16, 2006

Track record of WALKER LAURENCE G

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

Transaction history of WALKER LAURENCE G

Co-insiders of WALKER LAURENCE G

ANDREOLI ALAIN FMCDATA CORP
ARTUSI DANIEL ASILICON LABORATORIES INC.
ATKINS BETSY SMCDATA CORP
BECKER JEANMCDATA CORP
Berman ScottMCDATA CORP
BEYER ROBERT RMCDATA CORP
BOCK WILLIAM GSILICON LABORATORIES INC.
Bogen Alf-EgilSILICON LABORATORIES INC.
BRENNAN RUSSELL JSILICON LABORATORIES INC.
BRESEMANN DAVID PSILICON LABORATORIES INC.
Butler Dean WarrenSILICON LABORATORIES INC.
CASH HARVEY BSILICON LABORATORIES INC.
CHAN NELSON CSILICON LABORATORIES INC.
COKER DERRELL CSILICON LABORATORIES INC.
CONRAD ROBERT JSILICON LABORATORIES INC.
DIPENTIMA RENATO AMCDATA CORP
Downing Mark ASILICON LABORATORIES INC.
ENLOE ROBERT TED IIISILICON LABORATORIES INC.
FINLEY ROBERT FMCDATA CORP
FLUKE BRADLEY JSILICON LABORATORIES INC.
Forre GeirSILICON LABORATORIES INC.
Frendo MichaelMCDATA CORP
GAY GARY RSILICON LABORATORIES INC.
GERDELMAN JOHN WMCDATA CORP
GUSTAFSON MICHAEL BMCDATA CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	38.20 USD	$191K	Unusual size	SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	33.85 USD	$169.3K		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-2,500	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Sell	-27,500	51.22 USD	$1.4M	Unusual size	SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	21.13 USD	$105.7K		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	2,500	39.16 USD	$97.9K		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	32.29 USD	$161.5K		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	34.68 USD	$173.4K		SEC
SILICON LABORATORIES INC.Listing on record	Apr 27, 2015	Award	2,948	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SILICON LABORATORIES INC.Listing on record	Jan 2, 2015	Sell	-1,250	47.90 USD	$59.9K		SEC
SILICON LABORATORIES INC.Listing on record	Jan 2, 2015	ExerciseD (derivative)	-1,250	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	Jan 2, 2015	Exercise	1,250	31.23 USD	$39K		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	ExerciseD (derivative)	-1,250	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	Exercise	1,250	31.23 USD	$39K		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	ExerciseD (derivative)	-834	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	Exercise	834	31.77 USD	$26.5K		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	Sell	-1,250	44.67 USD	$55.8K		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	Sell	-834	44.67 USD	$37.3K		SEC
SILICON LABORATORIES INC.Listing on record	Jun 30, 2014	Exercise	833	31.77 USD	$26.5K		SEC
SILICON LABORATORIES INC.Listing on record	Jun 30, 2014	ExerciseD (derivative)	-833	—	n/a (No price was disclosed in the filing)		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	38.20 USD	$191K	Unusual size	SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	33.85 USD	$169.3K		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-2,500	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Sell	-27,500	51.22 USD	$1.4M	Unusual size	SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	21.13 USD	$105.7K		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	2,500	39.16 USD	$97.9K		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	ExerciseD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	32.29 USD	$161.5K		SEC
SILICON LABORATORIES INC.Listing on record	May 11, 2015	Exercise	5,000	34.68 USD	$173.4K		SEC
SILICON LABORATORIES INC.Listing on record	Apr 27, 2015	Award	2,948	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SILICON LABORATORIES INC.Listing on record	Jan 2, 2015	Sell	-1,250	47.90 USD	$59.9K		SEC
SILICON LABORATORIES INC.Listing on record	Jan 2, 2015	ExerciseD (derivative)	-1,250	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	Jan 2, 2015	Exercise	1,250	31.23 USD	$39K		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	ExerciseD (derivative)	-1,250	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	Exercise	1,250	31.23 USD	$39K		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	ExerciseD (derivative)	-834	—	n/a (No price was disclosed in the filing)		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	Exercise	834	31.77 USD	$26.5K		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	Sell	-1,250	44.67 USD	$55.8K		SEC
SILICON LABORATORIES INC.Listing on record	Oct 31, 2014	Sell	-834	44.67 USD	$37.3K		SEC
SILICON LABORATORIES INC.Listing on record	Jun 30, 2014	Exercise	833	31.77 USD	$26.5K		SEC
SILICON LABORATORIES INC.Listing on record	Jun 30, 2014	ExerciseD (derivative)	-833	—	n/a (No price was disclosed in the filing)		SEC