ThZeal - The Zeal

SCHEDULE 13D

CUSIP No.

03782L101

Name of reporting person

Abdiel Qualified Master Fund, LP

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,808,255.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,808,255.00

Aggregate amount beneficially owned by each reporting person

8,808,255.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

20.4 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP No.

03782L101

Name of reporting person

Abdiel Capital, LP

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 377,476.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 377,476.00

Aggregate amount beneficially owned by each reporting person

377,476.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0.9 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP No.

03782L101

Name of reporting person

Abdiel Partners, LLC

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 14,670.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 14,670.00

Aggregate amount beneficially owned by each reporting person

14,670.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0.0 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP No.

03782L101

Name of reporting person

Abdiel Capital Management, LLC

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 9,185,731.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 9,185,731.00

Aggregate amount beneficially owned by each reporting person

9,185,731.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

21.3 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person:

Rows 8, 10 and 11. Consists of 8,808,255 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.

SCHEDULE 13D

CUSIP No.

03782L101

Name of reporting person

Abdiel Capital Advisors, LP

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 9,200,401.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 9,200,401.00

Aggregate amount beneficially owned by each reporting person

9,200,401.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

21.3 %

Type of Reporting Person (See Instructions)

PN, IA

Comment for Type of Reporting Person:

Rows 8, 10 and 11. Consists of 8,808,255 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 14,670 shares of Class A Common Stock held by Abdiel Partners, LLC.

SCHEDULE 13D

CUSIP No.

03782L101

Name of reporting person

Colin T. Moran

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 9,200,401.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 9,200,401.00

Aggregate amount beneficially owned by each reporting person

9,200,401.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

21.3 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person:

Rows 8, 10 and 11. Consists of 8,808,255 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. and14,670 shares of Class A Common Stock held by Abdiel Partners, LLC.

SCHEDULE 13D

Item 1.

Security and Issuer

(a)

Title of Class of Securities:

Class A Common Stock, $0.0001 par value

(b)

Name of Issuer:

Appian Corporation

(c)

Address of Issuer's Principal Executive Offices:

7950 Jones Branch Drive, McLean, VIRGINIA , 22102.

Item 1 Comment:

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, Amendment No. 44 thereto on August 26, 2024 and Amemndment No. 45 thereto on April 15, 2025 (as so amended, the "Schedule 13D"). This Amendment No. 46 thereto supplements and amends the statement on Schedule 13D. Terms defined in the Schedule 13D are used herein as so defined.

Item 2.

Identity and Background

(a)

This Schedule 13D is filed by and on behalf of (i) Abdiel Qualified Master Fund, LP; (ii) Abdiel Capital, LP; (iii) Abdiel Partners, LLC; (iv) Abdiel Capital Management, LLC; (v) Abdiel Capital Advisors, LP; and (vi) Colin T. Moran (each, a "Reporting Person" and collectively, the "Reporting Persons"). The agreement among the Reporting Persons to file jointly (the "Joint Filing Agreement") was filed as Exhibit A to the initial filing and an amendment to the Joint Filing Agreement was filed as Exhibit A to Amendment No. 34.

(b)

For each Reporting Person: 90 Park Avenue, 29th Floor New York, NY 10016

(c)

Each of Abdiel Qualified Master Fund, LP, Abdiel Capital, LP and Abdiel Partners, LLC is a private investment vehicle, the principal business of which is to make investments. The principal business of Abdiel Capital Management, LLC is to act as the general partner of Abdiel Qualified Master Fund, LP and Abdiel Capital, LP. The principal business of Abdiel Capital Advisors, LP is to act as the investment manager of Abdiel Qualified Master Fund, LP, Abdiel Capital, LP. and Abdiel Partners, LLC. Colin T. Moran serves as managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which serves as the general partner of Abdiel Capital Advisors, LP. and managing member of Abdiel Partners, LLC.

(d)

For each Reporting Person: No

(e)

For each Reporting Person: No

(f)

Abdiel Qualified Master Fund, LP is a Cayman Islands limited partnership. Each of Abdiel Capital, LP and Abdiel Capital Advisors, LP is a Delaware limited partnership. Each of Abdiel Capital Management, LLC and Abdiel Partners, LLC is a Delaware limited liability company. Colin T. Moran is citizen of the United States.

Item 3.

Source and Amount of Funds or Other Consideration

Not Applicable

Item 4.

Purpose of Transaction

Not Applicable

Item 5.

Interest in Securities of the Issuer

(a)

The information requested by this paragraph is incorporated herein by reference to the cover pages to this Amendment No. 46 to Schedule 13D. Percentage ownership is based on 43,140,083 shares of Class A Common Stock outstanding as of May 5, 2025, as reported in the Issuer's Report on Form 10-Q for the period ended March 31, 2025 filed with the Securities and Exchange Commission on May 8, 2025.

(b)

The information requested by this paragraph is incorporated herein by reference to the cover pages to this Amendment No. 46 to Schedule 13D.

(c)

Information with respect to all transactions in the Class A Common Stock effected by the Reporting Persons since the filing of Amendment No. 45 to Schedule 13D is incorporated herein by reference to Exhibit A hereto.

(d)

Not Applicable

(e)

Not Applicable

Item 6.

Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer

Not Applicable

Item 7.

Material to be Filed as Exhibits.

Exhibit A - Transactions Effected since the filing of Amendment No. 45 to Schedule 13D

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Abdiel Qualified Master Fund, LP

Signature:	/s/ Colin T. Moran
Name/Title:	Colin T. Moran, Managing Member of Abdiel Capital Management, LLC, its General Partner
Date:	05/20/2025

Abdiel Capital, LP

Signature:	/s/ Colin T. Moran
Name/Title:	Colin T. Moran, Managing Member of Abdiel Capital Management, LLC, its General Partner
Date:	05/20/2025

Abdiel Partners, LLC

Signature:	/s/ Colin T. Moran
Name/Title:	Colin T. Moran, Managing Member of Abdiel Capital Partners, LLC, its Managing Member
Date:	05/20/2025

Abdiel Capital Management, LLC

Signature:	/s/ Colin T. Moran
Name/Title:	Colin T. Moran, Managing Member
Date:	05/20/2025

Abdiel Capital Advisors, LP

Signature:	/s/ Colin T. Moran
Name/Title:	Colin T. Moran, Managing Member of Abdiel Capital Partners, LLC, its General Partner
Date:	05/20/2025

Colin T. Moran

Signature:	/s/ Colin T. Moran
Name/Title:	Colin T. Moran, individually
Date:	05/20/2025