X0306 4 2021-11-02 0 0001607939 Udemy, Inc. UDMY 0001305473 Insight Holdings Group, LLC C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001508855 Insight Venture Partners (Cayman) VII, L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001545170 Insight Venture Partners (Delaware) VII, L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001519801 Insight Venture Partners VII (Co-Investors), L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001545168 Insight Venture Associates VII, L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 0001545169 Insight Venture Associates VII, Ltd. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 0 0 1 0 Common Stock 2021-11-02 4 C 0 439224 A 3364002 I See footnote Common Stock 2021-11-02 4 C 0 63110 A 483355 I See footnote Common Stock 2021-11-02 4 C 0 23093 A 176869 I See footnote Common Stock 2021-11-02 4 C 0 5914814 A 9278816 I See footnote Common Stock 2021-11-02 4 C 0 849866 A 1333221 I See footnote Common Stock 2021-11-02 4 C 0 310985 A 487854 I See footnote Common Stock 2021-11-02 4 C 0 1339998 A 10618814 I See footnote Common Stock 2021-11-02 4 C 0 192536 A 1525757 I See footnote Common Stock 2021-11-02 4 C 0 70454 A 558308 I See footnote Common Stock 2021-11-02 4 C 0 1159445 A 11778259 I See footnote Common Stock 2021-11-02 4 C 0 166594 A 1692351 I See footnote Common Stock 2021-11-02 4 C 0 60961 A 619269 I See footnote Series A-1 Convertible Preferred Stock 2021-11-02 4 C 0 439224 D Common Stock 439224 0 I See footnote Series A-1 Convertible Preferred Stock 2021-11-02 4 C 0 63110 D Common Stock 63110 0 I See footnote Series A-1 Convertible Preferred Stock 2021-11-02 4 C 0 23093 D Common Stock 23093 0 I See footnote Series B Convertible Preferred Stock 2021-11-02 4 C 0 5914814 D Common Stock 5914814 0 I See footnote Series B Convertible Preferred Stock 2021-11-02 4 C 0 849866 D Common Stock 849866 0 I See footnote Series B Convertible Preferred Stock 2021-11-02 4 C 0 310985 D Common Stock 310985 0 I See footnote Series C Convertible Preferred Stock 2021-11-02 4 C 0 1339998 D Common Stock 1339998 0 I See footnote Series C Convertible Preferred Stock 2021-11-02 4 C 0 192536 D Common Stock 192536 0 I See footnote Series C Convertible Preferred Stock 2021-11-02 4 C 0 70454 D Common Stock 70454 0 I See footnote Series D Convertible Preferred Stock 2021-11-02 4 C 0 1159445 D Common Stock 1159445 0 I See footnote Series D Convertible Preferred Stock 2021-11-02 4 C 0 166594 D Common Stock 166594 0 I See footnote Series D Convertible Preferred Stock 2021-11-02 4 C 0 60961 D Common Stock 60961 0 I See footnote See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 This Form 4 is the first of two Forms 4 filed relating to the same event. The Form 4 has been split into two filings because there are more than 10 reporting persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 reporting persons. Each Form 4 is filed by Designated Filer, Insight Holdings Group, LLC. Exhibit List Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filers' Signatures Exhibit 99.3 - Joint Filer Information Insight Holdings Group, LLC, by Andrew Prodromos, its Authorized Signatory; /s/ Andrew Prodromos 2021-11-02