X0306 4 2017-11-17 0 0001689923 Alteryx, Inc. AYX 0001715350 Eide Langley P. C/O ALTERYX, INC. 3345 MICHELSON DRIVE SUITE 400 IRVINE CA 92612 0 1 0 0 Chief Strategy Officer Class A Common Stock 2017-11-17 4 C 0 25000 0.00 A 25000 D Class A Common Stock 2017-11-17 4 S 0 25000 25.8142 D 0 D Stock Option (Right to Buy) 4.34 2017-11-17 4 M 0 25000 0.00 D 2025-05-12 Class B Common Stock 25000 100000 D Class B Common Stock 0.00 2017-11-17 4 M 0 25000 0.00 A Class A Common Stock 25000 25000 D Class B Common Stock 0.00 2017-11-17 4 C 0 25000 0.00 D Class A Common Stock 25000 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.75 to $26.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. The stock option vested and became exercisable as to 1/4th of the shares subject to the option on April 23, 2016, and thereafter vested and shall continue to vest as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date. Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon the transfer, whether or not for value, to any transferee who is not a "Permitted Transferee", as defined in the Issuer's Restated Certificate of Incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date. Each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon the earliest to occur of the following: (a) the date specified by a vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, (b) March 23, 2027, and (c) the date the shares of Class B Common Stock cease to represent at least 10% of all outstanding shares of Common Stock. The shares of Class A Common Stock and Class B Common Stock have no expiration date. /s/ Christopher M. Lal, by power of attorney 2017-11-20