X0306 4 2018-08-13 0 0001689923 Alteryx, Inc. AYX 0001574478 Insight Venture Partners VIII, L.P. C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001574465 Insight Venture Partners (Cayman) VIII, L.P. C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001578044 Insight Venture Partners VIII (Co-Investors), L.P. C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001574477 Insight Venture Partners(Delaware) VIII, L.P. C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001607704 Insight Venture Partners Coinvestment Fund III, L.P. C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001607705 Insight Venture Partners Coinvestment Fund (Delaware) III, L.P. C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001658537 Insight Venture Associates VIII, Ltd. C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001658471 Insight Venture Associates VIII, L.P. C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001305473 Insight Holdings Group, LLC C/O INSIGHT VENTURE PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 Class A Common Stock 2018-08-13 4 C 0 775660 A 985089 D Class A Common Stock 2018-08-13 4 C 0 200641 A 254814 D Class A Common Stock 2018-08-13 4 C 0 246016 A 312440 D Class A Common Stock 2018-08-13 4 C 0 27682 A 35156 D Class A Common Stock 2018-08-13 4 C 0 725172 A 920968 D Class A Common Stock 2018-08-13 4 C 0 524829 A 666533 D Class A Common Stock 2018-08-13 4 C 0 1249999 A 1587499 I See Footnote Class A Common Stock 2018-08-13 4 C 0 1249999 A 1587499 I See Footnote Class A Common Stock 2018-08-13 4 C 0 2500000 A 3175000 I See Footnote Class B Common Stock 2018-08-13 4 C 0 775660 D Class A Common Stock 775660 3217609 D Class B Common Stock 2018-08-13 4 C 0 200641 D Class A Common Stock 200641 832302 D Class B Common Stock 2018-08-13 4 C 0 246016 D Class A Common Stock 246016 1020527 D Class B Common Stock 2018-08-13 4 C 0 27682 D Class A Common Stock 27682 114833 D Class B Common Stock 2018-08-13 4 C 0 725172 D Class A Common Stock 725172 3008170 D Class B Common Stock 2018-08-13 4 C 0 524829 D Class A Common Stock 524829 2177104 D Class B Common Stock 2018-08-13 4 C 0 1249999 D Class A Common Stock 1249999 5185271 I See Footnote Class B Common Stock 2018-08-13 4 C 0 1249999 D Class A Common Stock 1249999 5185271 I See Footnote Class B Common Stock 2018-08-13 4 C 0 2500000 D Class A Common Stock 2500000 10370545 I See Footnote See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 Due to the limitation on the number of rows allowed on a Form 4, Insight Venture Associates Coinvestment III, L.P. and Insight Venture Associates Coinvestment III, Ltd. report on a separate Form 4. Exhibit List: Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filers' Names and Addresses Exhibit 99.3 - Joint Filers' Signatures INSIGHT VENTURE PARTNERS VIII, L.P. By: Insight Venture Associates VIII, L.P., its general partner By: Insight Venture Associates VIII, Ltd., its general partner 2018-08-15