APPIAN CORP Insider Trading Activity

Appian Corporation (APPN) reported insider activity by its General Counsel on a Form 4.

Rhea-AI Filing Summary

Appian Corporation (APPN) reported insider activity by its General Counsel on a Form 4. On November 5, 2025, the reporting person acquired 6,104 Class A shares at $0 via RSU conversions (code M) and disposed of 1,827 shares at $29.33 (code F). Following these transactions, the reporting person directly holds 29,782 Class A shares.

The filing also lists multiple RSU grants with defined vesting schedules, including awards granted on August 2, 2022; October 31, 2023; and November 5, 2024, that convert into Class A shares on a one-for-one basis.

Insider Trade Summary

6,104 shares exercised/converted

Exercise 6 txns

Insider Winters Christopher

Role General Counsel

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	1,234	$0.00	$0.00
Exercise	Restricted Stock Unit	1,591	$0.00	$0.00
Exercise	Restricted Stock Unit	1,656	$0.00	$0.00
Exercise	Restricted Stock Unit	1,623	$0.00	$0.00
Exercise	Class A Common Stock	6,104	$0.00	$0.00
Exercise Price or Tax Liability	Class A Common Stock	1,827	$29.33	$54K

Holdings After Transaction: Restricted Stock Unit — 9,285 contracts (Direct); Class A Common Stock — 29,782 shares (Direct)

Footnotes (6)

1. F1. Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.
2. F2. Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).
3. F3. The RSUs were granted on August 2, 2022, and vest in four (4) equal installments commencing on November 6, 2023, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.
4. F4. The RSUs were granted on October 31, 2023, and vest in four (4) equal installments commencing on November 5, 2024, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.
5. F5. The RSUs were granted on November 5, 2024, and vested on November 5, 2025.
6. F6. The RSUs were granted on November 5, 2024, and vest in four (4) equal annual installments commencing on November 5, 2025, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

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Accepted by SEC EDGAR 11/06/2025 - 03:42 PM EST 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

X

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^*

Winters Christopher

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2025

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	11/05/2025		M		6,104	A	$0(1)	31,609	D
Class A Common Stock	11/05/2025		F		1,827	D	$29.33	29,782	D

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
Restricted Stock Unit	(2)	11/05/2025		M			1,234	(3)	(3)	Class A Common Stock	1,234	$0	1,234	D
Restricted Stock Unit	(2)	11/05/2025		M			1,591	(4)	(4)	Class A Common Stock	1,591	$0	3,182	D
Restricted Stock Unit	(2)	11/05/2025		M			1,656	(5)	(5)	Class A Common Stock	1,656	$0	0	D
Restricted Stock Unit	(2)	11/05/2025		M			1,623	(6)	(6)	Class A Common Stock	1,623	$0	4,869	D

Explanation of Responses:

1. Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

2. Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

3. The RSUs were granted on August 2, 2022, and vest in four (4) equal installments commencing on November 6, 2023, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

4. The RSUs were granted on October 31, 2023, and vest in four (4) equal installments commencing on November 5, 2024, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

5. The RSUs were granted on November 5, 2024, and vested on November 5, 2025.

6. The RSUs were granted on November 5, 2024, and vest in four (4) equal annual installments commencing on November 5, 2025, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

Remarks:

	/s/ Angela Patterson, Attorney-in-Fact	11/06/2025
	** 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.