{\rtf1\deflang1033\deflangfe1033\margl720\margr720\margt360\margb360{\stylesheet{\fs20\lang1033\snext0 Normal;} {\s1\sb240\keepn{\*\pn \pnlvl1\pndec\pnprev1\pnstart1\pnsp144}\b\f0\fs30\lang1033 \sbasedon0\snext0 heading 1;} {\s2\sb200\keepn{\*\pn \pnlvl2\pndec\pnprev1\pnstart1\pnsp144{\pntxtb.}}\b\f0\fs26\lang1033 \sbasedon0\snext0 heading 2;} {\s3\sb180\keepn{\*\pn \pnlvl3\pndec\pnprev1\pnstart1\pnsp144{\pntxtb.}}\b\f0\fs22\lang1033 \sbasedon0\snext0 heading 3;} {\s4\sb160\keepn{\*\pn \pnlvl4\pnucltr\pnprev1\pnstart1\pnsp144{\pntxtb.}}\b\f0\fs22\lang1033 \sbasedon0\snext0 heading 4;} {\s5\sb140\keepn{\*\pn \pnlvl5\pncltr\pnprev1\pnstart1\pnsp144}\b\f0\fs20\lang1033 \sbasedon0\snext0 heading 5;} {\s6\tqc\lang1033\sbasedon0\snext6 footer;} {\*\cs16 \additive\super\sbasedon10 footnote reference;} {\*\cs18 \additive\sbasedon10 page number;}} {\fonttbl{\f0\fnil Times New Roman;}{\f1\fnil Courier New}{\f2005\fnil Courier New;}{\f2010\fnil Wingdings;}{\f2020\fnil Webdings;}{\f2\fnil 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AND EXCHANGE COMMISSION\par\pard\plain\cf1\f51\fs24\b\qc Washington, DC 20549 \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs24\b\qc FORM 8-K \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs24\b\qc CURRENT REPORT\par\pard\plain\cf1\f51\fs24\b\qc Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 \par\pard\plain\fs16 \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs24\qc Date of Report (Date of earliest event reported): May 21, 2018 \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs24\b\qc GENTEX CORPORATION\par\pard\plain\cf1\f51\fs24\qc (Exact name of registrant as specified in its charter) \par\pard\plain\fs16 \par\pard\plain {\trowd\clvertalc\cellx10785\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx10785\trrh66\row}}} {\trowd\clvertalc\cellx4340\clvertalc\cellx4996\clvertalc\cellx7869\clvertalc\cellx10785\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx4340\clvertalc\cellx4996\clvertalc\cellx7869\clvertalc\cellx10785\trrh66\row}}} {\trowd\cellx4340\cellx7870\cellx10785\trrh331 \pard\plain\intbl\li550\ri22\sb22\sa22\fi-572\cf1\f51\fs24\b\qc Michigan\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\b\qc 0-10235\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\b\qc 38-2030505\cell{ {\trowd\cellx4340\cellx7870\cellx10785\trrh331\row}}} {\trowd\cellx4340\cellx7870\cellx10785\trrh628 \pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\qc (State or other jurisdiction\par\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\qc of incorporation)\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\qc (Commission\par\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\qc File Number)\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\qc (IRS Employer\par\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\qc Identification No.)\cell{ {\trowd\cellx4340\cellx7870\cellx10785\trrh628\row}}} {\trowd\clvertalb\cellx4997\clvertalb\cellx7870\clvertalb\cellx10785\trrh338 \pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs20\ql \~\cell{ {\trowd\clvertalb\cellx4997\clvertalb\cellx7870\clvertalb\cellx10785\trrh338\row}}} {\trowd\cellx4997\clvertalb\cellx7870\cellx10785\trrh628 \pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\b\qc 600 North Centennial Street\par\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\b\qc Zeeland, Michigan\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs20\ql \~\cell \par\pard\plain\intbl\fs16\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\b\qc 49464\cell{ {\trowd\cellx4997\clvertalb\cellx7870\cellx10785\trrh628\row}}} {\trowd\cellx4997\clvertalb\cellx7870\cellx10785\trrh331 \pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\qc (Address of principal executive offices)\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\li22\ri22\sb22\sa22\cf1\f51\fs24\qc (Zip Code)\cell{ {\trowd\cellx4997\clvertalb\cellx7870\cellx10785\trrh331\row}}} \par\pard\plain\fs16\pard\plain\cf1\f51\fs22\qc Registrant's telephone number, including area code:\plain\cf1\f51\fs22\b\qc (616) 772-1800 \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\qc _____________________________________________________________\par\pard\plain\cf1\f51\fs22\qc (Former name or former address, if changed since last report.) \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\qj Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of\plain\cf1\f51\fs22\qj the registrant under any of the following provisions (\plain\cf1\f51\fs22\qj see\plain\cf1\f51\fs22\qj General Instruction A.2. below): \par\pard\plain\fs16 \pard\plain {\trowd\clvertalc\cellx612\clvertalc\cellx8669\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx612\clvertalc\cellx8669\trrh66\row}}} {\trowd\cellx612\cellx8669\trrh545 \pard\plain\intbl\cf1\f54\fs22\ql o\cell\pard\plain\intbl\cf1\f51\fs22\qj Written communications pursuant to Rule 425 under the Securities Act (17 CFR\plain\intbl\cf1\f51\fs22\qj 230.425)\cell{ {\trowd\cellx612\cellx8669\trrh545\row}}} \pard\plain {\trowd\clvertalc\cellx623\clvertalc\cellx8782\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx623\clvertalc\cellx8782\trrh66\row}}} {\trowd\cellx623\cellx8782\trrh545 \pard\plain\intbl\cf1\f54\fs22\ql o\cell\pard\plain\intbl\cf1\f51\fs22\qj Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR\plain\intbl\cf1\f51\fs22\qj 240.14a-12)\cell{ {\trowd\cellx623\cellx8782\trrh545\row}}} \pard\plain {\trowd\clvertalc\cellx734\clvertalc\cellx10788\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx734\clvertalc\cellx10788\trrh66\row}}} {\trowd\cellx734\cellx10788\trrh545 \pard\plain\intbl\cf1\f54\fs22\ql o\cell\pard\plain\intbl\cf1\f51\fs22\qj Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR\plain\intbl\cf1\f51\fs22\qj 240.14d-2(b))\cell{ {\trowd\cellx734\cellx10788\trrh545\row}}} \pard\plain {\trowd\clvertalc\cellx731\clvertalc\cellx10739\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx731\clvertalc\cellx10739\trrh66\row}}} {\trowd\cellx731\cellx10739\trrh545 \pard\plain\intbl\cf1\f54\fs22\ql o\cell\pard\plain\intbl\cf1\f51\fs22\qj Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR\plain\intbl\cf1\f51\fs22\qj 240.13e-4(c))\cell{ {\trowd\cellx731\cellx10739\trrh545\row}}} \par\pard\plain\fs16\pard\plain\cf1\f51\fs22\qj Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the\plain\cf1\f51\fs22\qj Securities Act of 1933 (\u167? 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934\plain\cf1\f51\fs22\qj (\u167? 240.12b-2 of this chapter). \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\qj Emerging growth company\~\~\~\~\plain\cf1\f54\fs22\qj o \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\ql If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition\plain\cf1\f51\fs22\ql period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of\plain\cf1\f51\fs22\ql the Exchange Act.\~\~\~\~\~\~\~\~\plain\cf1\f54\fs22\ql o \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16\pard\plain\f0\fs4\par\pard\plain\f0\fs2\brdrt\brdrs\brdrw15\brdrcf2\brdrsp0\par\pard\plain\f0\fs4\par \page \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16{\*\bkmkstart part_1_2_1}{\*\bkmkend part_1_2_1}{\*\bkmkstart item_1_46_1}{\*\bkmkend item_1_46_1}\par\pard\plain\cf1\f51\fs24\b\qj Item 8.01\plain\cf1\f51\fs20\qj \~\~\~\~\plain\cf1\f51\fs24\b\qj Other Events. \par\pard\plain\fs16 \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\qj On May 21, 2018, Steve Downing, President and Chief Executive Officer of Gentex Corporation\plain\cf1\f51\fs22\qj (\u8220?Company\u8221?), entered into a stock trading plan in accordance with Rule\~10b5-1\~of the Securities\plain\cf1\f51\fs22\qj Exchange Act of 1934\~providing for a third-party broker to sell shares of common stock of the Company that Mr.\plain\cf1\f51\fs22\qj Downing may acquire upon the vesting of the 18,000 restricted shares of common stock awarded to Mr. Downing on\plain\cf1\f51\fs22\qj September 27, 2013, which vesting is anticipated to occur on September 27, 2018. The shares will be sold under the\plain\cf1\f51\fs22\qj stock trading plan on the open market over the period of time and according to the other parameters set forth under\plain\cf1\f51\fs22\qj the stock trading plan. The stock trading plan terminates on October 11, 2018. \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\qj On May 21, 2018, Kevin Nash, Vice President of Finance and Chief Financial Officer of the Company, entered into a\plain\cf1\f51\fs22\qj stock trading plan in accordance with Rule\~10b5-1\~of the Securities Exchange Act of 1934\~providing for a third-party\plain\cf1\f51\fs22\qj broker to sell shares of common stock of the Company that Mr. Nash may acquire upon the vesting of the 6,000\plain\cf1\f51\fs22\qj restricted shares of common stock awarded to Mr. Nash on September 27, 2013, which vesting is anticipated to occur\plain\cf1\f51\fs22\qj on September 27, 2018. The shares will be sold under the stock trading plan on the open market over the period of\plain\cf1\f51\fs22\qj time and according to the other parameters set forth under the stock trading plan. The stock trading plan terminates on\plain\cf1\f51\fs22\qj October 11, 2018. \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\qj On May 21, 2018, Scott Ryan, Assistant General Counsel and Corporate Secretary of the Company, entered into a\plain\cf1\f51\fs22\qj stock trading plan in accordance with Rule\~10b5-1\~of the Securities Exchange Act of 1934\~providing for a third-party\plain\cf1\f51\fs22\qj broker to sell shares of common stock of the Company that Mr. Ryan may acquire upon the vesting of the 3,000\plain\cf1\f51\fs22\qj restricted shares of common stock awarded to Mr. Ryan on December 30, 2013, which vesting is anticipated to occur\plain\cf1\f51\fs22\qj on December 31, 2018. The shares will be sold under the stock trading plan on the open market over the period of\plain\cf1\f51\fs22\qj time and according to the other parameters set forth under the stock trading plan. The stock trading plan terminates on\plain\cf1\f51\fs22\qj January 19, 2018. \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\qj On May 21, 2018, Neil Boehm, Vice President of Engineering and Chief Technology Officer of the Company,\plain\cf1\f51\fs22\qj entered into a stock trading plan in accordance with Rule\~10b5-1\~of the Securities Exchange Act of 1934\~providing\plain\cf1\f51\fs22\qj for a third-party broker to sell shares of common stock of the Company that Mr. Boehm may acquire upon the\plain\cf1\f51\fs22\qj vesting of the 4,000 restricted shares of common stock awarded to Mr. Boehm on September 27, 2013, which vesting\plain\cf1\f51\fs22\qj is anticipated to occur on September 27, 2018. The shares will be sold under the stock trading plan on the open\plain\cf1\f51\fs22\qj market over the period of time and according to the other parameters set forth under the stock trading plan. The stock\plain\cf1\f51\fs22\qj trading plan terminates on October 11, 2018. \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\qj Rule\~10b5-1\~trading plans are permitted under the Company\u8217?s insider trading policy and other policies, and, to\plain\cf1\f51\fs22\qj the extent required, transactions under such trading plans will be disclosed publicly through Form 144 and/or Form 4\plain\cf1\f51\fs22\qj filings with the Securities and Exchange Commission. Except as may be required by law, the Company does not\plain\cf1\f51\fs22\qj undertake any obligation to report Rule 10b5-1 plans by officers or directors of the Company in the future, or to\plain\cf1\f51\fs22\qj report modifications or terminations of any such plans, whether or not any such plans were publicly announced. \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16\pard\plain\f0\fs4\par\pard\plain\f0\fs2\brdrt\brdrs\brdrw15\brdrcf2\brdrsp0\par\pard\plain\f0\fs4\par \page \par\pard\plain\fs16 \par\pard\plain\fs16{\*\bkmkstart part_1_2_2}{\*\bkmkend part_1_2_2}\par\pard\plain\cf1\f51\fs24\qc SIGNATURE \par\pard\plain\fs16\par\pard\plain\fi792\cf1\f51\fs22\qj Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report\plain\cf1\f51\fs22\qj to be signed on its behalf by the undersigned thereunto duly authorized. \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\ql Dated: May 25, 2018\~\~\~\~\~\~\~\~\~\~\~\~ \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\ql GENTEX CORPORATION\par\pard\plain\fi792\cf1\f51\fs22\ql (Registrant) \par\pard\plain\fs16 \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\ql By\~\~\~\~\plain\cf1\f51\fs22\ql /s/ Scott Ryan\par\pard\plain\fi792\cf1\f51\fs22\ql Scott Ryan\par\pard\plain\fi792\cf1\f51\fs22\ql Assistant General Counsel and\par\pard\plain\fi792\cf1\f51\fs22\ql Corporate Secretary \par\pard\plain\fs16\par\pard\plain\cf1\f51\fs22\ql By\~\~\~\~\plain\cf1\f51\fs22\ql /s/ Kevin Nash\par\pard\plain\fi792\cf1\f51\fs22\ql Kevin Nash\par\pard\plain\fi792\cf1\f51\fs22\ql Chief Financial Officer and\par\pard\plain\fi792\cf1\f51\fs22\ql Vice President - Finance \par\pard\plain\fs16 \par\pard\plain\fs16 \par\pard\plain\fs16}