COMPX INTERNATIONAL INC — Director's Dealing 2011

May 5, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMPX INTERNATIONAL INC (CIX)
CIK: 0001049606
Period of Report: 2011-05-04

Reporting Person: SIMMONS GLENN R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-04	Class A Common Stock $0.01 par value	M	800	$12.15	Acquired	24800	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-04	Non-Qualified Stock Option (right to buy)	$12.15	M	800	Disposed	2011-05-10	Class A Common Stock $0.01 par value (800)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock $0.01 par value	500	Indirect

Footnotes

F1: Granted pursuant to the CompX International Inc. 1997 Long-Term Incentive Plan on 05/10/2001. Options granted became exerciseable at a rate of 20% on each of the first five anniversary dates of the date of grant and expire on the tenth anniversary of the date of grant.