# EDGAR Filing Document

**Accession Number:** 0001441683
**File Stem:** 0001193125-23-015744
**Filing Date:** 2023-1
**Character Count:** 33985
**Document Hash:** b7f3461e86d851a46e95b1d50d3ad961
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-015744.hdr.sgml**: 20230126

**ACCESSION NUMBER**: 0001193125-23-015744

**CONFORMED SUBMISSION TYPE**: SC 13D/A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20230126

**DATE AS OF CHANGE**: 20230126

**GROUP MEMBERS**: ABDIEL CAPITAL ADVISORS, LP

**GROUP MEMBERS**: ABDIEL CAPITAL MANAGEMENT, LLC

**GROUP MEMBERS**: ABDIEL CAPITAL, LP

**GROUP MEMBERS**: ABDIEL PARTNERS, LLC

**GROUP MEMBERS**: COLIN T. MORAN

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** APPIAN CORP
- **CENTRAL INDEX KEY:** 0001441683
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **IRS NUMBER:** 541956084
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-90007
- **FILM NUMBER:** 23554220

**BUSINESS ADDRESS:**
- **STREET 1:** 7950 JONES BRANCH DRIVE
- **CITY:** MCLEAN
- **STATE:** VA
- **ZIP:** 22102
- **BUSINESS PHONE:** 703-442-8844

**MAIL ADDRESS:**
- **STREET 1:** 7950 JONES BRANCH DRIVE
- **CITY:** MCLEAN
- **STATE:** VA
- **ZIP:** 22102
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Abdiel Qualified Master Fund LP
- **CENTRAL INDEX KEY:** 0001508239
- **IRS NUMBER:** 208096029
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 90 PARK AVENUE, 29TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10016
- **BUSINESS PHONE:** 646-496-9351

**MAIL ADDRESS:**
- **STREET 1:** 90 PARK AVENUE, 29TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10016

CUSIP No. 03782L101

------

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**WASHINGTON, DC 20549** 

------

**SCHEDULE 13D** 

**(Rule 13d-101)**

**UNDER THE SECURITIES EXCHANGE ACT OF 1934** 

**(Amendment No. 34)\*** 

------

## Appian Corporation
**(Name of Issuer)** 

**Class A Common Stock, $0.0001 par value per share** 

**(Title of Class of Securities)** 

**03782L101** 

**(CUSIP Number)** 

**Abdiel Capital** 

**90 Park Avenue, 29<sup>th</sup> Floor** 

**New York, NY 10016** 

**Attn: Colin T. Moran** 

**Tel: (646) 496-9202**

**(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)** 

**January 25, 2023** 

**(Date of Event Which Requires Filing of This Statement)** 

------

If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box. ☐

\* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

------

CUSIP No. 03782L101

1. &nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; Abdiel Qualified Master Fund, LP &nbsp;&nbsp;&nbsp;&nbsp; I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) (VOLUNTARY)

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; SOURCE OF FUNDS &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF DISCLOSURE OF
LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Cayman
Islands

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;9,404,803 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 10. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;9,404,803 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 9,404,803

12. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW (11) &nbsp;&nbsp;&nbsp;&nbsp; 22.9% (1)

14. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) Based on 41,049,803 shares of Class A Common Stock outstanding as of October 31, 2022, as reported in
the Issuer's Report on Form 10-Q for the period ended September 30, 2022 filed with the Securities and Exchange Commission on November 3, 2022.

------

CUSIP No. 03782L101

1. &nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; Abdiel Capital, LP &nbsp;&nbsp;&nbsp;&nbsp; I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) (VOLUNTARY)

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; SOURCE OF FUNDS &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF DISCLOSURE OF
LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;306,863 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 10. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;306,863 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 306,863

12. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW (11) &nbsp;&nbsp;&nbsp;&nbsp; 0.7% (1)

14. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) Based on 41,049,803 shares of Class A Common Stock outstanding as of October 31, 2022, as reported in
the Issuer's Report on Form 10-Q for the period ended September 30, 2022 filed with the Securities and Exchange Commission on November 3, 2022.

------

CUSIP No. 03782L101

1. &nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; Abdiel Partners, LLC &nbsp;&nbsp;&nbsp;&nbsp; I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) (VOLUNTARY)

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; SOURCE OF FUNDS &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF DISCLOSURE OF
LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;15,510 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 10. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;15,510 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 15,510

12. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW (11) &nbsp;&nbsp;&nbsp;&nbsp; Less than 0.1% (1)

14. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) Based on 41,049,803 shares of Class A Common Stock outstanding as of October 31, 2022, as reported in
the Issuer's Report on Form 10-Q for the period ended September 30, 2022 filed with the Securities and Exchange Commission on November 3, 2022.

------

CUSIP No. 03782L101

1. &nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; Abdiel Capital Management, LLC &nbsp;&nbsp;&nbsp;&nbsp; I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) (VOLUNTARY)

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; SOURCE OF FUNDS &nbsp;&nbsp;&nbsp;&nbsp; AF

5. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF DISCLOSURE OF
LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;9,711,666 (1) |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 10. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;9,711,666 (1) |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 9,711,666 (1)

12. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW (11) &nbsp;&nbsp;&nbsp;&nbsp; 23.7% (2)

14. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) Consists of 9,404,803 shares of Class A common stock held by Abdiel Qualified Master Fund, LP and 306,863
shares of Class A common stock held by Abdiel Capital, LP.

(2) Based on 41,049,803 shares of Class A Common Stock outstanding as of October 31, 2022, as reported in
the Issuer's Report on Form 10-Q for the period ended September 30, 2022 filed with the Securities and Exchange Commission on November 3, 2022.

------

CUSIP No. 03782L101

1. &nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; Abdiel Capital Advisors, LP &nbsp;&nbsp;&nbsp;&nbsp; I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) (VOLUNTARY)

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; SOURCE OF FUNDS &nbsp;&nbsp;&nbsp;&nbsp; AF

5. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF DISCLOSURE OF
LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;9,727,176 (1) |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 10. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;9,727,176 (1) |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 9,727,176 (1)

12. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW (11) &nbsp;&nbsp;&nbsp;&nbsp; 23.7% (2)

14. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; PN, IA

(1) Consists of 9,404,803 shares of Class A common stock held by Abdiel Qualified Master Fund, LP, 306,863
shares of Class A common stock held by Abdiel Capital, LP and 15,510 shares of Class A Common Stock held by Abdiel Partners, LLC.

(2) Based on 41,049,803 shares of Class A Common Stock outstanding as of October 31, 2022, as reported in
the Issuer's Report on Form 10-Q for the period ended September 30, 2022 filed with the Securities and Exchange Commission on November 3, 2022.

------

CUSIP No. 03782L101

1. &nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; Colin T. Moran &nbsp;&nbsp;&nbsp;&nbsp; I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) (VOLUNTARY)

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; SOURCE OF FUNDS &nbsp;&nbsp;&nbsp;&nbsp; AF

5. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF DISCLOSURE OF
LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; United
States

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;9,727,176 (1) |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 10. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;9,727,176 (1) |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 9,727,176 (1)

12. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW (11) &nbsp;&nbsp;&nbsp;&nbsp; 23.7% (2)

14. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; IN

(1) Consists of 9,404,803 shares of Class A common stock held by Abdiel Qualified Master Fund, LP, 306,863
shares of Class A common stock held by Abdiel Capital, LP and 15,510 shares of Class A Common Stock held by Abdiel Partners, LLC.

(2) Based on 41,049,803 shares of Class A Common Stock outstanding as of October 31, 2022, as reported in
the Issuer's Report on Form 10-Q for the period ended September 30, 2022 filed with the Securities and Exchange Commission on November 3, 2022.

------

CUSIP No. 03782L101

**AMENDMENT NO. 34 TO SCHEDULE 13D** 

Reference is hereby made to the statement on Schedule 13D filed with the Securities and Exchange Commission by the Reporting Persons on June 12, 2017 (the "Original Schedule 13D") relating to the shares of Class A common stock, $0.0001 par value per share (the "Common Stock"), of Appian Corporation (the "Issuer"), as amended by 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 and Amendment No. 33 thereto on January 19, 2023 (as so amended, the "Schedule 13D"). Capitalized terms used herein but not defined shall have the same meanings as are ascribed to such terms in the Schedule 13D.

**Item 2.** **Identity and Background.** <br>

(a) This paragraph is hereby amended and supplemented to include Abdiel Partners, LLC as a Reporting Person. The agreement among the Reporting Persons to file jointly is amended to add Abdiel Partners, LLC and is attached hereto as Exhibit A. The execution and filing of such amended joint filing agreement shall not be construed as an admission that the Reporting Persons are a group, or have agreed to act as a group.

(c) This paragraph is hereby amended and supplemented to state that Abdiel Partners, LLC is a private investment vehicle, the principal business of which is to make investments, and that the principal business of Abdiel Capital Advisors, LP is to act as the investment manager of Abdiel Partners, LLC in addition to Abdiel Qualified Master Fund, LP and Abdiel Capital, LP.

(f) This paragraph is hereby amended and supplemented to state that Abdiel Partners, LLC is a Delaware limited liability company.

**Item 5.** **Interest in Securities of the Issuer.** <br>

The following paragraphs of Item 5 of the Schedule 13D are hereby amended and restated as follows:

(a) – (b) The information requested by these paragraphs is incorporated herein by reference to the cover pages to this Amendment No. 34 to Schedule 13D.

(c) Information with respect to all transactions in the Common Stock effected by the Reporting Persons since the filing of Amendment No. 33 to the Schedule 13D is incorporated herein by reference to Exhibit B attached hereto.

**Item 7.** **Material to be Filed as Exhibits.** <br>

Exhibit A – Amended Joint Filing Agreement

Exhibit B – Transactions Effected Since the Filing of Amendment No. 33 to the Schedule 13D

------

CUSIP No. 03782L101

**SIGNATURES** 

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

Dated: January 26, 2023

---

| | |
|:---|:---|
| ABDIEL QUALIFIED MASTER FUND, LP | ABDIEL QUALIFIED MASTER FUND, LP |
| By: | Abdiel Capital Management, LLC, |
|  | its General Partner |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| ABDIEL CAPITAL, LP | ABDIEL CAPITAL, LP |
| By: | Abdiel Capital Management, LLC, |
|  | its General Partner |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| ABDIEL PARTNERS, LLC | ABDIEL PARTNERS, LLC |
| By: | Abdiel Capital Partners, LLC, |
|  | its Managing Member |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| ABDIEL CAPITAL MANAGEMENT, LLC | ABDIEL CAPITAL MANAGEMENT, LLC |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| ABDIEL CAPITAL ADVISORS, LP | ABDIEL CAPITAL ADVISORS, LP |
| By: | Abdiel Capital Partners, LLC, |
|  | its General Partner |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| COLIN T. MORAN | COLIN T. MORAN |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Individually |

---

## Ex-99.A

CUSIP No. 03782L101

**<u>EXHIBIT A</u>** 

**AMENDMED AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D** 

The undersigned hereby agree that the statement on Schedule 13D to which this Agreement is annexed as Exhibit A, and any further amendments thereto, is and will be filed on behalf of each of them in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

Dated: January 26, 2023

---

| | |
|:---|:---|
| ABDIEL QUALIFIED MASTER FUND, LP | ABDIEL QUALIFIED MASTER FUND, LP |
| By: | Abdiel Capital Management, LLC, |
|  | its General Partner |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| ABDIEL CAPITAL, LP | ABDIEL CAPITAL, LP |
| By: | Abdiel Capital Management, LLC, |
|  | its General Partner |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| ABDIEL PARTNERS, LLC | ABDIEL PARTNERS, LLC |
| By: | Abdiel Capital Partners, LLC, |
|  | its Managing Member |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| ABDIEL CAPITAL MANAGEMENT, LLC | ABDIEL CAPITAL MANAGEMENT, LLC |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| ABDIEL CAPITAL ADVISORS, LP | ABDIEL CAPITAL ADVISORS, LP |
| By: | Abdiel Capital Partners, LLC, |
|  | its General Partner |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Managing Member |
| COLIN T. MORAN | COLIN T. MORAN |
| By: | /s/ Colin T. Moran |
|  | Colin T. Moran, Individually |

---

## Ex-99.B

CUSIP No. 03782L101

**<u>EXHIBIT B</u>**

**TRANSACTIONS EFFECTED SINCE THE FILING OF AMENDMENT NO. 33 TO THE SCHEDULE 13D** 

All of the below transactions in the Common Stock were traded in the ordinary course on the NASDAQ Stock Market.

Abdiel Capital Advisors, LP serves as the investment manager of Abdiel Qualified Master Fund, LP and effected the below transactions.

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Transaction Date** | **Transaction<br>Type** | **Amount of Securities** | **Price Per Share** |  |
|  01/19/2023 | Purchase | 75109 | $&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;36.71 | (1) |
|  01/19/2023 | Purchase | 21718 | $37.30 | (2) |
|  01/20/2023 | Purchase | 97 | $36.95 |  |
|  01/20/2023 | Purchase | 26178 | $37.68 | (3) |
|  01/20/2023 | Purchase | 109440 | $38.63 | (4) |
|  01/20/2023 | Purchase | 9508 | $39.10 | (5) |
|  01/23/2023 | Purchase | 1988 | $38.76 | (7) |
|  01/23/2023 | Purchase | 11881 | $39.74 | (8) |
|  01/23/2023 | Purchase | 15245 | $40.43 | (9) |
|  01/24/2023 | Purchase | 59960 | $40.53 | (11) |
|  01/24/2023 | Purchase | 24841 | $41.21 | (12) |
|  01/25/2023 | Purchase | 7005 | $38.93 | (13) |
|  01/25/2023 | Purchase | 22388 | $39.46 | (14) |
|  01/25/2023 | Purchase | 10917 | $40.37 | (15) |

---

Abdiel Capital Advisors, LP serves as the investment manager of Abdiel Capital, LP and effected the below transactions.

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Transaction Date** | **Transaction<br>Type** | **Amount of Securities** | **Price Per Share** |  |
|  01/19/2023 | Purchase | 2461 | $&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;36.71 | (1) |
|  01/19/2023 | Purchase | 712 | $37.30 | (2) |
|  01/20/2023 | Purchase | 3 | $36.95 |  |
|  01/20/2023 | Purchase | 861 | $37.68 | (3) |
|  01/20/2023 | Purchase | 3600 | $38.63 | (4) |
|  01/20/2023 | Purchase | 313 | $39.10 | (5) |
|  01/23/2023 | Purchase | 61 | $38.76 | (7) |
|  01/23/2023 | Purchase | 362 | $39.74 | (8) |
|  01/23/2023 | Purchase | 463 | $40.43 | (9) |
|  01/24/2023 | Purchase | 1908 | $40.53 | (11) |
|  01/24/2023 | Purchase | 791 | $41.21 | (12) |
|  01/25/2023 | Purchase | 232 | $38.93 | (13) |
|  01/25/2023 | Purchase | 744 | $39.46 | (14) |
|  01/25/2023 | Purchase | 362 | $40.37 | (15) |

---

Abdiel Capital Advisors, LP serves as the investment manager of Abdiel Partners, LLC and effected the below transactions.

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Transaction Date** | **Transaction<br>Type** | **Amount of Securities** | **Price Per Share** |  |
|  01/20/2023 | Purchase | 7510 | $&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;37.84 | (6) |
|  01/23/2023 | Purchase | 8000 | $39.64 | (10) |

---

(1) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $36.07 to $37.00. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(2) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $37.00 to $37.98. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

------

CUSIP No. 03782L101

(3) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $37.15 to $37.99. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(4) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $38.00 to $38.99. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(5) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $39.00 to $39.25. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(6) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $37.56 to $37.94. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(7) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $38.30 to $38.97. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(8) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $39.00 to $39.99. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(9) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $40.00 to $40.73. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(10) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $39.24 to $39.95. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(11) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $40.17 to $40.99. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(12) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $41.00 to $41.79. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(13) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $38.80 to $39.00. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

------

CUSIP No. 03782L101

(14) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $39.00 to $39.98. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.

(15) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple
transactions at prices ranging from $40.00 to $40.50. The Reporting Persons undertake to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the
number of shares purchased at each separate price within the range set forth in this footnote.