APPIAN CORP — Major Shareholding Notification 2025

Apr 16, 2025

xml version="1.0" encoding="UTF-8"? SCHEDULE 13D/A 0001508239 XXXXXXXX LIVE 45 Class A Common Stock, $0.0001 par value 04/11/2025 false 0001441683 03782L101 Appian Corporation 7950 JONES BRANCH DRIVE MCLEAN VA 22102 Abdiel Capital (646) 496-9202 90 Park Avenue 29th Floor New York NY 10016 0001508239 N Abdiel Qualified Master Fund, LP OO N E9 0 9366512 0 9366512 9366512 N 21.8 PN Y Abdiel Capital, LP OO N DE 0 377476 0 377476 377476 N 0.9 PN Y Abdiel Partners, LLC OO N DE 0 16231 0 16231 16231 N 0 OO Y Abdiel Capital Management, LLC OO N DE 0 9743988 0 9743988 9743988 N 22.7 OO Row 8, 10 and 11. Consists of 9,366,512 shares of Class A Common Stock held by Abdiel Qualified Master Fund, LP and 377,476 shares of Class A Common Stock held by Abdiel Capital, LP. Y Abdiel Capital Advisors, LP OO N DE 0 9760219 0 9760219 9760219 N 22.7 PN IA Row 8, 10 and 11. Consists of 9,366,512 shares of Class A Common Stock held by Abdiel Qualified Master Fund, LP, 377,476 shares of Class A Common Stock held by Abdiel Capital, LP. and 16,231 shares of Class A Common Stock held by Abdiel Partners, LLC. Y Colin T. Moran OO N X1 0 9760219 0 9760219 9760219 N 22.7 IN Row 8, 10 and 11. Consists of 9,366,512 shares of Class A Common Stock held by Abdiel Qualified Master Fund, LP, 377,476 shares of Class A Common Stock held by Abdiel Capital, LP. and 16,231 shares of Class A Common Stock held by Abdiel Partners, LLC. Class A Common Stock, $0.0001 par value Appian Corporation 7950 JONES BRANCH DRIVE MCLEAN VA 22102 Reference is hereby made to the statement on Schedule 13D filed with the Securities and Exchange Commission by the Reporting Persons with respect to the Class A Common Stock of the Issuer on June 12, 2017, Amendment No. 1 thereto on June 27, 2017, Amendment No. 2 thereto on June 29, 2017, Amendment No. 3 thereto on July 3, 2017, Amendment No. 4 thereto on July 7, 2017, Amendment No. 5 thereto on July 12, 2017, Amendment No. 6 thereto on July 31, 2017, Amendment No. 7 thereto on October 26, 2017, Amendment No. 8 thereto on November 20, 2017, Amendment No. 9 thereto on November 30, 2017, Amendment No. 10 thereto on December 12, 2017, Amendment No. 11 thereto on December 15, 2017, Amendment No. 12 thereto on February 23, 2018, Amendment No. 13 thereto on March 20, 2018, Amendment No. 14 thereto on March 27, 2018, Amendment No. 15 thereto on April 25, 2018, Amendment No. 16 thereto on April 30, 2018, Amendment No. 17 thereto on August 3, 2018, Amendment No. 18 thereto on August 24, 2018, Amendment No. 19 thereto on October 5, 2018, Amendment No. 20 thereto on October 15, 2018, Amendment No. 21 thereto on October 31, 2018, Amendment No. 22 thereto on November 2, 2018, Amendment No. 23 thereto on December 17, 2018, Amendment No. 24 thereto on February 22, 2019, Amendment No. 25 thereto on September 9, 2019, Amendment No. 26 thereto on December 3, 2020, Amendment No. 27 thereto on February 1, 2021, Amendment No. 28 thereto on May 5, 2022, Amendment No. 29 thereto on May 9, 2022, Amendment No. 30 thereto on May 11, 2022, Amendment No. 31 thereto on May 25, 2022, Amendment No. 32 thereto on November 14, 2022, Amendment No. 33 thereto on January 19, 2023, Amendment No. 34 thereto on January 26, 2023, Amendment No. 35 thereto on October 6, 2023, Amendment No. 36 thereto on November 9, 2023, Amendment No. 37 thereto on December 14, 2023, Amendment No. 38 thereto on February 23, 2024, Amendment No. 39 thereto on July 9, 2024, Amendment No. 40 thereto on July 12, 2024, Amendment No. 41 thereto on July 24, 2024, Amendment No. 42 thereto on August 2, 2024, Amendment No. 43 thereto on August 15, 2024 and Amendment No. 44 thereto on August 26, 2024 (as so amended, the "Schedule 13D"). This Amendment No. 45 thereto supplements and amends the statement on Schedule 13D, and other than as amended herein, the disclosures in the Schedule 13D are unchanged. Terms defined in the Schedule 13D are used herein as so defined. Not Applicable Not Applicable The information requested by this paragraph is incorporated herein by reference to the cover pages to this Amendment No. 45 to Schedule 13D. Percentage ownership is based on 42,957,026 shares of Class A Common Stock outstanding as of February 17, 2025, as reported in the Issuer's Report on Form 10-K for the period ended December 31, 2024 filed with the Securities and Exchange Commission on February 19, 2025. The information requested by this paragraph is incorporated herein by reference to the cover pages to this Amendment No. 45 to Schedule 13D. Information with respect to all transactions in the Class A Common Stock effected by the Reporting Persons in the last 60 days is incorporated herein by reference to Exhibit A hereto. Exhibit A - Transactions Effected in the Last 60 Days Abdiel Qualified Master Fund, LP /s/ Colin T. Moran Colin T. Moran, Managing Member of Abdiel Capital Management, LLC, its General Partner 04/15/2025 Abdiel Capital, LP /s/ Colin T. Moran Colin T. Moran, Managing Member of Abdiel Capital Management, LLC, its General Partner 04/15/2025 Abdiel Partners, LLC /s/ Colin T. Moran Colin T. Moran, Managing Member of Abdiel Capital Partners, LLC, its Managing Member 04/15/2025 Abdiel Capital Management, LLC /s/ Colin T. Moran Colin T. Moran, Managing Member 04/15/2025 Abdiel Capital Advisors, LP /s/ Colin T. Moran Colin T. Moran, Managing Member of Abdiel Capital Partners, LLC, its General Partner 04/15/2025 Colin T. Moran /s/ Colin T. Moran Colin T. Moran, individually 04/15/2025