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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1441683	Appian Corp	APPN	Services-Prepackaged Software (7372)	541956084

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1707248	Iii G.w. Albert Biddle	C/O Appian Corporation 7950 Jones Branch Drive Mclean VA 22102		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Class A Common Stock	Disposition	2025-02-24	990	$33.21	29,348	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Class A Common Stock	82,500	Indirect	See Footnote
Class A Common Stock	15,479	Indirect	See Footnote
Class A Common Stock	15,479	Indirect	See Footnote
Class A Common Stock	15,479	Indirect	See Footnote

Footnotes

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