LANDSTAR SYSTEM INC — Director's Dealing 2005

Dec 20, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LANDSTAR SYSTEM INC (LSTR)
CIK: 0000853816
Period of Report: 2005-12-16

Reporting Person: GERKENS HENRY H (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-12-16	Common Stock	M	40000	$14.6207	Acquired	157092	Direct
2005-12-19	Common Stock	S	300	$42.22	Disposed	156792	Direct
2005-12-19	Common Stock	S	387	$42.23	Disposed	156405	Direct
2005-12-19	Common Stock	S	272	$42.24	Disposed	156133	Direct
2005-12-19	Common Stock	S	464	$42.25	Disposed	155669	Direct
2005-12-19	Common Stock	S	600	$42.26	Disposed	155069	Direct
2005-12-19	Common Stock	S	600	$42.27	Disposed	154469	Direct
2005-12-19	Common Stock	S	1244	$42.28	Disposed	153225	Direct
2005-12-19	Common Stock	S	1820	$42.29	Disposed	151405	Direct
2005-12-19	Common Stock	S	1960	$42.3	Disposed	149445	Direct
2005-12-19	Common Stock	S	553	$42.31	Disposed	148892	Direct
2005-12-19	Common Stock	S	1100	$42.32	Disposed	147792	Direct
2005-12-19	Common Stock	S	200	$42.33	Disposed	147592	Direct
2005-12-19	Common Stock	S	300	$42.34	Disposed	147292	Direct
2005-12-19	Common Stock	S	100	$42.35	Disposed	147192	Direct
2005-12-19	Common Stock	S	100	$42.38	Disposed	147092	Direct
2005-12-19	Common Stock	S	600	$42.39	Disposed	146492	Direct
2005-12-19	Common Stock	S	100	$42.4	Disposed	146392	Direct
2005-12-19	Common Stock	S	162	$42.42	Disposed	146230	Direct
2005-12-19	Common Stock	S	100	$42.45	Disposed	146130	Direct
2005-12-19	Common Stock	S	300	$42.48	Disposed	145830	Direct
2005-12-19	Common Stock	S	100	$42.49	Disposed	145730	Direct
2005-12-19	Common Stock	S	1224	$42.5	Disposed	144506	Direct
2005-12-19	Common Stock	S	1513	$42.51	Disposed	142993	Direct
2005-12-19	Common Stock	S	200	$42.52	Disposed	142793	Direct
2005-12-19	Common Stock	S	596	$42.53	Disposed	142197	Direct
2005-12-19	Common Stock	S	301	$42.54	Disposed	141896	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-12-16	Stock Options (Right to buy)	$14.6207	M	40000	Disposed	2013-01-02	Common Stock (40000)	Direct

Footnotes

F1: The stock option exercises and sales of common stock reported on this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the reporting person.

F2: Options became exercisable in the amount of 8,000 on January 2, 2004 and 32,000 on January 2, 2005.