X0306 4 2015-11-18 0 0001355754 INSTRUCTURE INC INST 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. 1114 AVENUE OF THE AMERICAS, 36 TH FLOOR NEW YORK NY 10036 0 0 1 0 0001658494 Insight Venture Associates Coinvestment III, Ltd. 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001658472 Insight Venture Associates Coinvestment III, L.P. 1114 AVENUE OF THE AMERICAS, 36 TH FLOOR NEW YORK NY 10036 0 0 1 0 Common Stock, par value $0.0001 per share 2015-11-18 4 C 0 1044968 A 1297975 I See footnote Common Stock, par value $0.0001 per share 2015-11-18 4 C 0 1044968 A 1297975 I See footnote Common Stock, par value $0.0001 per share 2015-11-18 4 C 0 1044969 A 1297977 I See footnote Common Stock, par value $0.0001 per share 2015-11-18 4 C 0 1044969 A 1297977 I See footnote Series A Preferred Stock 2015-11-18 4 C 0 107472 D Common Stock 107472 0 I See footnote Series A Preferred Stock 2015-11-18 4 C 0 107472 D Common Stock 107472 0 I See footnote Series A Preferred Stock 2015-11-18 4 C 0 107471 D Common Stock 107471 0 I See footnote Series A Preferred Stock 2015-11-18 4 C 0 107471 D Common Stock 107471 0 I See footnote Series E Preferred Stock 2015-11-18 4 C 0 684275 D Common Stock 937496 0 I See footnote Series E Preferred Stock 2015-11-18 4 C 0 684275 D Common Stock 937496 0 I See footnote Series E Preferred Stock 2015-11-18 4 C 0 684275 D Common Stock 937498 0 I See footnote Series E Preferred Stock 2015-11-18 4 C 0 684275 D Common Stock 937498 0 I See footnote See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 Due to the limitations of the electronic filing system, Insight Venture Partners VIII, L.P., Insight Venture Partners (Cayman) VIII, L.P., Insight Venture Partners VIII (Co-Investors), L.P., Insight Venture Partners (Delaware) VIII, L.P., Insight Venture Partners Coinvestment Fund III, L.P., Insight Venture Partners Coinvestment Fund (Delaware) III, L.P and Insight Holdings Group, LLC are filing 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 ASSOCIATES VIII, LTD., /s/ Blair Flicker 2015-11-19