Appian (NASDAQ: APPN) CRO converts RSUs, withholds stock for taxes

Rhea-AI Filing Summary

Appian Corp’s Chief Revenue Officer Mark Dorsey reported equity award activity involving restricted stock units and common shares. On March 5, 2026, 3,750 Restricted Stock Units were exercised and converted into 3,750 shares of Class A Common Stock at a stated price of $0.00 per share.

Following the derivative exercise, Dorsey directly held 11,250 RSUs and 9,921 shares of Class A Common Stock before tax withholding. To cover tax obligations, 1,155 Class A shares were disposed of at $26.99 per share, leaving 8,766 Class A shares directly owned after the withholding transaction. The RSUs were granted on February 11, 2025, and vest in four equal annual installments beginning March 5, 2026, subject to continued service.

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

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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^*

Dorsey Mark

(Last) (First) (Middle)

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)
	Chief Revenue Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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	03/05/2026		M		3,750	A	$0(1)	9,921	D
Class A Common Stock	03/05/2026		F		1,155	D	$26.99	8,766	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)	03/05/2026		M			3,750	(3)	(3)	Class A Common Stock	3,750	$0	11,250	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 February 11, 2025, and vest in four (4) equal annual installments commencing on March 5, 2026, provided that the Reporting Person has provided continuous service to the Issuer through each vesting date.

Remarks:

	/s/ Angela Patterson, Attorney-in-Fact	03/09/2026
	** 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.

FAQ

What insider transactions did Appian (APPN) report for Mark Dorsey on March 5, 2026?

Mark Dorsey reported exercising 3,750 Restricted Stock Units into 3,750 Class A shares, then disposing of 1,155 shares to cover tax liabilities. After these transactions, he directly held 8,766 Class A shares and 11,250 RSUs.

How many Appian (APPN) RSUs did Mark Dorsey convert to common stock?

Mark Dorsey converted 3,750 Restricted Stock Units into 3,750 shares of Appian Class A Common Stock. Each RSU converts on a one-for-one basis into a share of Class A stock or its cash equivalent, at the company’s discretion.

At what price were Appian (APPN) shares withheld for Mark Dorsey’s taxes?

A total of 1,155 Appian Class A shares were disposed of at $26.99 per share to satisfy tax withholding. This tax-withholding disposition reduced Dorsey’s directly held Class A share balance from 9,921 shares to 8,766 shares.

How many Appian (APPN) shares and RSUs does Mark Dorsey hold after the Form 4 transactions?

After the reported transactions, Mark Dorsey directly holds 8,766 shares of Appian Class A Common Stock and 11,250 Restricted Stock Units. These holdings reflect both the RSU conversion and the shares disposed of for tax withholding.

When do Mark Dorsey’s Appian (APPN) RSUs vest and under what conditions?

The RSUs were granted on February 11, 2025, and vest in four equal annual installments starting March 5, 2026. Vesting requires that Mark Dorsey provide continuous service to Appian through each scheduled vesting date.

What is the conversion ratio for Mark Dorsey’s Appian (APPN) RSUs?

Each Restricted Stock Unit converts into one share of Appian Class A Common Stock on a one-for-one basis. Alternatively, the company may settle RSUs in a cash equivalent at its discretion, according to the filing footnotes.