Washington, D.C. 20549


Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Matthews Joseph E IV

(Last) (First) (Middle)


(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Vice President Purchasing
3. Date of Earliest Transaction (Month/Day/Year)
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/01/2018 03/01/2018 M 1,060 A $14.7 22,180 D
Common Stock 03/01/2018 03/01/2018 S 1,060 D $22.5099(1) 21,120 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to buy) $14.7 03/01/2018 03/01/2018 M 1,060 (2) 02/22/2023 Common Stock 1,060 $14.7 0.00 D
Explanation of Responses:
1. This transaction was executed in multiple trades at prices ranging from $22.50 USD to $22.515 USD; the price reported above reflects the weighted average sale price.
2. 7-Year Grant; 20% Vesting every year for 5 years w/2 open years beginning on 22-Feb-2016
/s/ Kevin Nash for Matthews Joseph E IV by Power of Attorney 03/01/2018
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Know all by these presents, that the undersigned hereby constitutes and
appoints each of Kevin Nash, any successor Vice President of Accounting of
Gentex Corporation (the "Corporation"), and Robert Hughes, any successor
Director of Finance & Tax of the Corporation, and any of their respective
designees, signing singly, the undersigned's true and lawful
attorney-in-fact to: 

(1)	execute for and on behalf of the undersigned, in the undersigned's
 capacity as an officer and/or director of the Corporation, Forms 3, 4,
 and 5 in accordance with Section 16(a) of the Securities Exchange Act
 of 1934 and the rules thereunder; 

(2)	do and perform any and all acts for and on behalf of the undersigned
 that may be necessary or desirable to complete and execute any such Form
 3, 4, or 5, complete and execute any amendment or amendments thereto, and
 timely file such form with the United States Securities and Exchange
 Commission and any stock exchange or similar authority; and 

(3)	take any other action of any type whatsoever in connection with the
 foregoing that, in the opinion of such attorney-in-fact, may be of benefit
 to, in the best interest of, or legally required by, the undersigned, it
 being understood that the documents executed
 by such attorney-in-fact on
 behalf of the undersigned pursuant to this Power of Attorney shall be in
 such form and shall contain such terms and conditions as such
 attorney-in-fact may approve in such attorney-in-fact's discretion. 

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the
rights and powers herein granted, as fully to all intents and purposes as
the undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes,
shall lawfully do or cause to be done by virtue of this Power of Attorney
and the rights and powers herein granted. 

The undersigned acknowledges that the foregoing attorneys-in-fact, in serving
in such capacity at the request of the undersigned, are not assuming, nor is
the Corporation assuming, any of the undersigned's responsibilities to comply
with Section 16 or any other provision of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to 
the undersigned's holdings of and transactions in securities issued by the
Corporation, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact. 

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 23rd day of July, 2014. 

Signature:	   \s\ Joseph E. Matthews IV