Appian insider plans sale of 45,000 shares

Appian Corporation insider Matthew W. Calkins filed to permit the public sale of 45,000 shares of Class A common stock through J.P.

Rhea-AI Filing Summary

Appian Corporation insider Matthew W. Calkins filed to permit the public sale of 45,000 shares of Class A common stock through J.P. Morgan Securities LLC, with an associated amount of 1,368,450. These shares relate to a stock option exercise dated 01/04/2022.

The filing also lists prior sales of Class A common stock over the past three months: 50,000 shares with an associated amount of 1,206,275 on 06/08/2026, and another 50,000 shares with an associated amount of 1,236,164 on 07/07/2026.

Key Figures

Planned shares to be sold: 45,000 shares Associated amount for planned sale: 1,368,450 Shares sold 06/08/2026: 50,000 shares +3 more

6 metrics

Planned shares to be sold 45,000 shares Class A common stock listed with J.P. Morgan Securities LLC

Associated amount for planned sale 1,368,450 Amount listed alongside 45,000 shares of Class A common stock

Shares sold 06/08/2026 50,000 shares Class A common stock sale listed in past 3 months section

Amount listed 06/08/2026 1,206,275 Amount associated with 50,000-share sale on 06/08/2026

Shares sold 07/07/2026 50,000 shares Class A common stock sale listed in past 3 months section

Amount listed 07/07/2026 1,236,164 Amount associated with 50,000-share sale on 07/07/2026

Key Terms

Form 144, Class A Common Stock, Stock Option Exercise, broker-dealer

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Class A Common Stock financial

"Class A Common Stock | J.P. Morgan Securities LLC"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Stock Option Exercise financial

"Class A Common Stock | 01/04/2022 | Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

broker-dealer financial

"J.P. Morgan Securities LLC 270 Park Avenue, 10th Floor"

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Appian (APPN) disclose about shares to be sold in this Form 144?

The filing lists a planned public sale of 45,000 shares of Appian Class A common stock, associated with an amount of 1,368,450, to be executed through J.P. Morgan Securities LLC.

Who is the reporting person in this APPN Form 144 filing?

The reporting person is Matthew W. Calkins, associated with Appian Corporation at 7950 Jones Branch Drive, McLean, VA 22102, in connection with potential sales of Class A common stock.

What prior Appian (APPN) stock sales are reported over the past three months?

The filing lists two prior sales of Appian Class A common stock: 50,000 shares with amount 1,206,275 on 06/08/2026, and 50,000 shares with amount 1,236,164 on 07/07/2026.

How are the 45,000 APPN shares in this Form 144 related to stock options?

The 45,000 Class A common shares are tied to a stock option exercise dated 01/04/2022, with the issuer listed as the source, and a cash transaction method indicated.

Which broker-dealer is involved in the planned APPN share sale?

The planned sale of 45,000 Appian Class A shares is associated with J.P. Morgan Securities LLC, located at 270 Park Avenue, 10th Floor, New York, NY 10017.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/07/2026 - 04:44 PM Accepted by SEC EDGAR 08/07/2026 - 04:44 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001309192
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Appian Corporation
SEC File Number	001-38098
Address of Issuer	7950 Jones Branch Drive McLean, VIRGINIA 22102
Phone	703-442-8844
Name of Person for Whose Account the Securities are To Be Sold	Matthew W. Calkins
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	CEO and President
Relationship to Issuer	10% Owner

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common Stock	J.P. Morgan Securities LLC 270 Park Avenue, 10th Floor New York NY 10017	45000	1368450	40540212	08/07/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common Stock	01/04/2022	Stock Option Exercise	Issuer			45000	01/04/2022	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Matthew W. Calkins C/o Appian Corporation 7950 Jones Branch Drive McLean VA 22102	Class A Common Stock	06/08/2026	50000	1206275
Matthew W. Calkins C/o Appian Corporation 7950 Jones Branch Drive McLean VA 22102	Class A Common Stock	07/07/2026	50000	1236164

144: Remarks and Signature

Remarks
Date of Notice	08/07/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Matthew W. Calkins
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)