Sec Form 4 Filing - BAUER FRED @ GENTEX CORP - 2018-03-09

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person BAUER FRED 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 (Last) (First) (Middle) 2775 N. LAKESHORE DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 03/09/2018 (Street) HOLLAND, MI49424 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 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 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BAUER FRED 2775 N. LAKESHORE DRIVE HOLLAND, MI49424 X Chairman of the Board & CEO Signatures /s/ Kevin Nash for Fred T. Bauer by Power of Attorney 03/13/2018 Signature of Reporting Person Date

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.

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