Appian (APPN) director converts 21,600 Class B shares into Class A stock

Rhea-AI Filing Summary

APPIAN CORP director Bobbie G. Kilberg reported option and share conversions involving 21,600 shares on Class A and Class B common stock. On February 18, 2026, she exercised a stock option for 21,600 shares of Class B Common Stock at $11.17 per share and then converted those Class B shares into 21,600 shares of Class A Common Stock, consistent with the issuer’s certificate of incorporation provisions. After these direct transactions, she held 21,600 Class A shares directly. A separate line shows 38,431 Class A shares held indirectly by trusts associated with the Kilberg family, reflecting shares held across multiple family trusts as detailed in the footnotes.

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

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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^*

Kilberg Bobbie G

(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)
02/18/2026

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	02/18/2026		C(1)		21,600	A	(2)(3)	21,600	D
Class A Common Stock								38,431	I	By trust(4)

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
Stock Option (Right to Buy)	$11.17	02/18/2026		M			21,600	(5)	01/31/2027	Class B Common Stock	21,600	$0	21,600	D
Class B Common Stock	(2)(3)	02/18/2026		M		21,600		(2)(3)	(2)(3)	Class A Common Stock	21,600	$11.17	21,600	D
Class B Common Stock	(2)(3)	02/18/2026		C(1)			21,600	(2)(3)	(2)(3)	Class A Common Stock	21,600	$0	0	D

Explanation of Responses:

1. Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock.

2. (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

3. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

4. 1,246 shares are held by the Barbara Greene Kilberg Living Trust U/A dated July 1, 1998, of which William and Barbara Kilberg are the co-trustees; 1,246 shares held by the Kilberg Family Trust U/A dated October 13, 2021, of which Barbara Kilberg is the trustee; and 25,939 shares held by William & Barbara Kilberg Trustees of the William Kilberg Trust dated July 1, 1998 and Barbara & William Kilberg Trustees of the Barbara Kilberg Trust dated July 1, 1998, Tenants in Common ("WB Trust"). Includes 882 shares previously owned directly that were contributed to the WB Trust on 1/27/2026.

5. Fully vested.

Remarks:

	/s/ Angela Patterson, Attorney-in-Fact	02/19/2026
	** 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).
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FAQ

What insider transactions did Bobbie G. Kilberg report for APPIAN CORP (APPN)?

Bobbie G. Kilberg reported exercising a stock option for 21,600 shares of Class B Common Stock and converting them into 21,600 shares of Class A Common Stock. These transactions are derivative exercises and conversions, not open-market purchases or sales.

How many APPIAN CORP shares did Bobbie G. Kilberg acquire in this Form 4?

She acquired 21,600 shares of Class B Common Stock through an option exercise and then converted those into 21,600 shares of Class A Common Stock. The filing shows 21,600 Class A shares held directly following the conversion transaction.

What was the exercise price for Bobbie G. Kilberg’s APPIAN CORP stock option?

The underlying Class B Common Stock associated with the option transaction is shown at $11.17 per share. The option itself is recorded with a transaction price of $0.00, reflecting how the derivative exercise and conversion are reported in the Form 4 data.

How many APPIAN CORP shares does Bobbie G. Kilberg hold indirectly through trusts?

The filing reports 38,431 shares of Class A Common Stock held indirectly by trusts connected to the Kilberg family. These include several named family trusts, with some shares contributed on January 27, 2026, as detailed in the trust footnote disclosure.

What are the conversion terms between APPIAN CORP Class B and Class A Common Stock?

Each share of Class B Common Stock is convertible at any time into one share of Class A Common Stock, with no expiration date. Automatic conversions can also occur upon certain transfers or when Class B voting power falls below 10% of total voting power.

Does the Form 4 show selling activity by Bobbie G. Kilberg in APPIAN CORP shares?

No selling transactions are reported. The Form 4 data classify the transactions as derivative exercises and conversions, all with an acquire direction, and the summarized buy/sell share totals show no net buying or selling activity in the open market.