X0306 4 2017-03-29 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 true 0001574465 Insight Venture Partners (Cayman) VIII, L.P. C/O INSIGHT VENTURE PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001574477 Insight Venture Partners(Delaware) VIII, L.P. C/O INSIGHT VENTURE PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 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 true 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 true 0001658471 Insight Venture Associates VIII, L.P. C/O INSIGHT VENTURE PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001658537 Insight Venture Associates VIII, Ltd. C/O INSIGHT VENTURE PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001305473 Insight Holdings Group, LLC C/O INSIGHT VENTURE PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 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 true Class A Common Stock 2017-03-29 4 A 0 209429 14 A 209429 D Class A Common Stock 2017-03-29 4 A 0 54173 14 A 54173 D Class A Common Stock 2017-03-29 4 A 0 66424 14 A 66424 D Class A Common Stock 2017-03-29 4 A 0 7474 14 A 7474 D Class A Common Stock 2017-03-29 4 A 0 195796 14 A 195796 D Class A Common Stock 2017-03-29 4 A 0 141704 14 A 141704 D Class A Common Stock 2017-03-29 4 A 0 337500 14 A 337500 I See footnote Class A Common Stock 2017-03-29 4 A 0 337500 14 A 337500 I See footnote Class A Common Stock 2017-03-29 4 A 0 675000 14 A 675000 I See footnote Series B Preferred Stock 2017-03-29 4 C 0 688504 D Class B Common Stock 688504 0 D Series B Preferred Stock 2017-03-29 4 C 0 178096 D Class A Common Stock 178096 0 D Series B Preferred Stock 2017-03-29 4 C 0 218372 D Class B Common Stock 218372 0 D Series B Preferred Stock 2017-03-29 4 C 0 24572 D Class B Common Stock 24572 0 D Series B Preferred Stock 2017-03-29 4 C 0 643689 D Class B Common Stock 643689 0 D Series B Preferred Stock 2017-03-29 4 C 0 465856 D Class B Common Stock 465856 0 D Series B Preferred Stock 2017-03-29 4 C 0 1109544 D Class B Common Stock 1109544 0 I See footnote Series B Preferred Stock 2017-03-29 4 C 0 1109544 D Class B Common Stock 1109544 0 I See footnote Series B Preferred Stock 2017-03-29 4 C 0 2219089 D Class B Common Stock 2219089 0 I See footnote Series C Preferred Stock 2017-03-29 4 C 0 567700 D Class B Common Stock 567700 0 D Series C Preferred Stock 2017-03-29 4 C 0 146848 D Class B Common Stock 146848 0 D Series C Preferred Stock 2017-03-29 4 C 0 180057 D Class B Common Stock 180057 0 D Series C Preferred Stock 2017-03-29 4 C 0 20261 D Class B Common Stock 20261 0 D Series C Preferred Stock 2017-03-29 4 C 0 530748 D Class B Common Stock 530748 0 D Series C Preferred Stock 2017-03-29 4 C 0 384118 D Class B Common Stock 384118 0 D Series C Preferred Stock 2017-03-29 4 C 0 914866 D Class B Common Stock 914866 0 I See footnote Series C Preferred Stock 2017-03-29 4 C 0 914866 D Class B Common Stock 914866 0 I See footnote Series C Preferred Stock 2017-03-29 4 C 0 1829732 D Class B Common Stock 1829732 0 I See footnote Class B Common Stock 2017-03-29 4 C 0 1256204 A Class A Common Stock 1256204 3993269 D Class B Common Stock 2017-03-29 4 C 0 324944 A Class A Common Stock 324944 1032943 D Class B Common Stock 2017-03-29 4 C 0 398429 A Class A Common Stock 398429 1266543 D Class B Common Stock 2017-03-29 4 C 0 44833 A Class A Common Stock 44833 142515 D Class B Common Stock 2017-03-29 4 C 0 1174437 A Class A Common Stock 1174437 3733342 D Class B Common Stock 2017-03-29 4 C 0 849974 A Class A Common Stock 849974 2701933 D Class B Common Stock 2017-03-29 4 C 0 2024410 A Class A Common Stock 2024410 6435270 I See footnote Class B Common Stock 2017-03-29 4 C 0 2024410 A Class A Common Stock 2024410 6435270 I See footnote Class B Common Stock 2017-03-29 4 C 0 4048821 A Class A Common Stock 4048821 12870545 I See footnote See Exhibit 99.1 for footnote 1. See Exhibit 99.1 for footnote 2. See Exhibit 99.1 for footnote 3. See Exhibit 99.1 for footnote 4. See Exhibit 99.1 for footnote 5. See Exhibit 99.1 for footnote 6. See Exhibit 99.1 for footnote 7. 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. Insight Venture Partners VIII, L.P. By: /s/ Blair Flicker 2017-03-29 Insight Venture Partners (Cayman) VIII, L.P. By: /s/ Blair Flicker 2017-03-29 Insight Venture Partners (Delaware) VIII, L.P. By: /s/ Blair Flicker 2017-03-29 Insight Venture Partners Coinvestment Fund III, L.P. By: /s/ Blair Flicker 2017-03-29 Insight Venture Partners Coinvestment Fund (Delaware) III, L.P. By: /s/ Blair Flicker 2017-03-29 Insight Venture Associates VIII, L.P. By: /s/ Blair Flicker 2017-03-29 Insight Venture Associates VIII, Ltd. By: /s/ Blair Flicker 2017-03-29 Insight Holdings Group, LLC By: /s/ Blair Flicker 2017-03-29 Insight Venture Partners (Co-Investors) VIII, L.P. By: /s/ Blair Flicker 2017-03-29