Appian Corporation Insider Trading Activity

Insider Trade Summary

Grant/Award: 1,046 shares

Grant/Award 5 txns

Insider Biddle Albert G.W. III

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	1,046	$0.00	$0.00
holding	Class A Common Stock	--	--	--
holding	Class A Common Stock	--	--	--
holding	Class A Common Stock	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 31,478 shares (Direct); Class A Common Stock — 128,937 shares (Indirect, See Footnote)

Footnotes (5)

1. F1. These shares were granted under the Issuer's 2017 Equity Incentive Plan pursuant to the Issuer's Non-Employee Director Compensation Policy, as amended and approved by the Board of Directors on December 18, 2020.
2. F2. The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust I"). The Reporting Person is the trustee of Trust I.
3. F3. The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust II"). The Reporting Person is the trustee of Trust II.
4. F4. The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust III"). The Reporting Person is the trustee of Trust III.
5. F5. The reported securities are owned directly by Jack Biddle, Inc. ("JBI"). The Reporting Person is the president of JBI.

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Accepted by SEC EDGAR 07/01/2025 - 10:58 AM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Biddle Albert G.W. III

(Last) (First) (Middle)

C/O APPIAN CORPORATION

7950 JONES BRANCH DRIVE

(Street)

MCLEAN VA 22102

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
APPIAN CORP [ APPN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	07/01/2025		A(1)		1,046	A	$0	31,478	D
Class A Common Stock								15,479	I	See Footnote(2)
Class A Common Stock								15,479	I	See Footnote(3)
Class A Common Stock								15,479	I	See Footnote(4)
Class A Common Stock								82,500	I	See Footnote(5)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were granted under the Issuer's 2017 Equity Incentive Plan pursuant to the Issuer's Non-Employee Director Compensation Policy, as amended and approved by the Board of Directors on December 18, 2020.

2. The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust I"). The Reporting Person is the trustee of Trust I.

3. The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust II"). The Reporting Person is the trustee of Trust II.

4. The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust III"). The Reporting Person is the trustee of Trust III.

5. The reported securities are owned directly by Jack Biddle, Inc. ("JBI"). The Reporting Person is the president of JBI.

Remarks:

	/s/ Angela Patterson, Attorney-in-Fact	07/01/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.