GENTEX CORP — Director's Dealing 2010

May 5, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GENTEX CORP (GNTX)
CIK: 0000355811
Period of Report: 2010-05-03

Reporting Person: MULDER JOHN A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-03	Common Stock	M	11212	$15.05	Acquired	84520	Direct
2010-05-03	Common Stock	M	12000	$15.925	Acquired	96520	Direct
2010-05-03	Common Stock	S	23212	$21.9542	Disposed	73308	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-03	Employee Stock Option (Right to Buy)	$15.05	M	11212	Disposed	2012-06-03	Common Stock (11212)	Direct
2010-05-03	Employee Stock Option (Right to Buy)	$15.925	M	12000	Disposed	2013-05-14	Common Stock (12000)	Direct

Footnotes

F1: 30,000 Shares indirectly held in the "Elinore L. Mulder Trust"