SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 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 APPROVAL 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* BAUER FRED (Last) (First) (Middle) 2775 N. LAKESHORE DRIVE (Street) HOLLAND MI 49424 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol GENTEX CORP [ GNTX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner X Officer (give title below) Other (specify below) Chairman of the Board & CEO
	3. Date of Earliest Transaction (Month/Day/Year) 03/09/2018
	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	03/09/2018	03/09/2018	M		6,627	A	$14.69	5,536,355	D
Common Stock	03/09/2018	03/09/2018	M		250,000	A	$12.35	5,786,355	D
Common Stock	03/09/2018	03/09/2018	M		250,000	A	$9.115	6,036,355	D
Common Stock	03/09/2018	03/09/2018	M		208,000	A	$11.28	6,244,355	D
Common Stock	03/09/2018	03/09/2018	S		714,627	D	$23.3171(1)	5,529,728	D
Common Stock	03/12/2018	03/12/2018	M		149,373	A	$14.69	5,679,101	D
Common Stock	03/12/2018	03/12/2018	M		54,000	A	$15.89	5,733,101	D
Common Stock	03/12/2018	03/12/2018	M		28,200	A	$17.97	5,761,301	D
Common Stock	03/12/2018	03/12/2018	S		231,573	D	$23.3603(2)	5,529,728	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)	$14.69	03/09/2018	03/09/2018	M			6,627	(3)	09/20/2021	Common Stock	6,627	$14.69	253,373	D
Employee Stock Option (Right to buy)	$12.35	03/09/2018	03/09/2018	M			250,000	(4)	08/11/2018	Common Stock	250,000	$12.35	0.00	D
Employee Stock Option (Right to buy)	$11.28	03/09/2018	03/09/2018	M			208,000	(5)	08/15/2020	Common Stock	208,000	$11.28	52,000	D
Employee Stock Option (Right to buy)	$9.115	03/09/2018	03/09/2018	M			250,000	(4)	08/16/2019	Common Stock	250,000	$9.115	0.00	D
Employee Stock Option (Right to buy)	$17.97	03/12/2018	03/12/2018	M			28,200	(6)	08/17/2023	Common Stock	28,200	$17.97	112,800	D
Employee Stock Option (Right to buy)	$15.89	03/12/2018	03/12/2018	M			54,000	(7)	08/19/2022	Common Stock	54,000	$15.89	81,000	D
Employee Stock Option (Right to buy)	$14.69	03/12/2018	03/12/2018	M			149,373	(3)	09/20/2021	Common Stock	149,373	$14.69	104,000	D

Explanation of Responses:

1. This transaction was executed in multiple trades at prices ranging from $23.25 USD to $23.52 USD; the price reported above reflects the weighted average sale price.

2. This transaction was executed in multiple trades at prices ranging from $23.25 USD to $23.56 USD; the price reported above reflects the weighted average sale price.

3. 7-Year Grant; 20% Vesting every year for 5 years w/2 open years beginning on 20-Aug-2015.

4. The option to purchase shares is fully vested.

5. 7-Year Grant; 20% Vesting every year for 5 years w/2 open years beginning on 15-Aug-2014.

6. 7-Year Grant; 20% Vesting every year for 5 years w/2 open years beginning on 18-Aug-2017.

7. 7-Year Grant; 20% Vesting every year for 5 years w/2 open years beginning on 20-Aug-2015.

Remarks:

	/s/ Kevin Nash for Fred T. Bauer by Power of Attorney	03/13/2018
	** 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).
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