X0206 3 2015-04-15 0 0001434647 KEMPHARM, INC KMPH 0001638363 Thompson Danny L C/O KEMPHARM, INC. 2656 CROSSPARK ROAD, SUITE 100 CORALVILLE IA 52241 1 0 0 0 Stock Option (right to buy) 4.65 2017-05-18 Common Stock 13333 D Stock Option (right to buy) 4.65 2018-03-30 Common Stock 3333 D Stock Option (right to buy) 5.85 2019-04-18 Common Stock 3333 D Stock Option (right to buy) 5.85 2020-04-03 Common Stock 3333 D Series A Convertible Preferred Stock Common Stock 26355 D Series B Convertible Preferred Stock Common Stock 16129 D Series C Convertible Preferred Stock Common Stock 12820 D Series A Convertible Preferred Stock Common Stock 269959 I By Garrett Bancshares, LTD Series B Convertible Preferred Stock Common Stock 161290 I By Garrett Bancshares, LTD Series C Convertible Preferred Stock Common Stock 256410 I By Garrett Bancshares, LTD Grant to the Reporting Person of a stock option under the Issuer's Incentive Stock Plan. The shares subject to the option are fully vested. The option expires ten years after the date of grant. Immediately convertible into shares of the Issuer's Common Stock at the Reporting Person's election. The shares will automatically convert into 3,514 shares of the Issuer's Common Stock immediately upon the closing of a Qualified Public Offering (as defined in the Issuer's Restated Certificate of Incorporation). The shares do not have an expiration date. The shares will automatically convert into 2,150 shares of the Issuer's Common Stock immediately upon the closing of a Qualified Public Offering. The shares will automatically convert into 1,709 shares of the Issuer's Common Stock immediately upon the closing of a Qualified Public Offering. The shares will automatically convert into 35,994 shares of the Issuer's Common Stock immediately upon the closing of a Qualified Public Offering. The Reporting Person is the Vice-President of Garrett Bancshares, LTD and may be deemed to have shared voting and dispositive power over, and be deemed to be indirect beneficial owner of, the shares directly held by Garrett Bancshares, LTD. The shares will automatically convert into 21,505 shares of the Issuer's Common Stock immediately upon the closing of a Qualified Public Offering. The shares will automatically convert into 34,188 shares of the Issuer's Common Stock immediately upon the closing of a Qualified Public Offering. Held jointly with spouse /s/ Danny L. Thompson 2015-04-15