secwatch / observer
APPN APPIAN CORP
CIK 0001441683 49 ready 8-Ks latest August 6, 2026, 7:22 AM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 49
Latest filing August 6, 2026, 7:22 AM ET
Top materiality 0.95
Event mix earnings ×23 · leadership ×9 · other_material ×8
Sentiment 23 pos · 9 neg · 17 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for APPN

Executive changes

Appointed

Srdjan "Serge" Tanjga

Chief Financial Officer
APPN · APPIAN CORP
Effective
2025-05-27
Filed
April 21, 2025, 7:59 PM ET
Appointment of Chief Financial Officer On April 21, 2025, Appian Corporation (the “Company”) issued a press release announcing that Srdjan “Serge” Tanjga has been appointed Chief Financial Officer of the Company, effective May 27, 2025 (the “Effective Date”).
Departed

Mark Lynch

Interim Chief Financial Officer
APPN · APPIAN CORP
Effective
2025-05-27
Successor
Srdjan "Serge" Tanjga
Filed
April 21, 2025, 7:59 PM ET
Mr. Tanjga succeeds Mark Lynch, who has served as the Company’s Interim Chief Financial Officer since November 2024.
Appointed (interim)

Mark Lynch

Interim Chief Financial Officer
APPN · APPIAN CORP
Effective
2024-11-04
Filed
October 11, 2024, 7:59 PM ET
Mark Lynch, a member of the Company’s Board of Directors, will serve as Interim Chief Financial Officer ("Interim CFO") effective as of November 4, 2024
Departed

Mark Matheos

Chief Financial Officer
APPN · APPIAN CORP
Effective
2024-11-08
Filed
October 11, 2024, 7:59 PM ET
Mark Matheos, Chief Financial Officer of Appian Corporation (the “Company”) notified the Company that he will be leaving the Company effective November 8, 2024, to pursue an opportunity as a CFO at another company.
Appointed

Carl “Boe” Hartman II

director
APPN · APPIAN CORP
Effective
2024-10-01
Filed
October 1, 2024, 7:59 PM ET
On September 25, 2024, the Board of Directors appointed Carl “Boe” Hartman II to the Board, effective as of October 1, 2024, to serve until our annual meeting of stockholders to be held in 2025.
Departed

Christopher Jones

Chief Revenue Officer
APPN · APPIAN CORP
Effective
2024-04-01
Filed
March 29, 2024, 7:59 PM ET
On March 25, 2024, Christopher Jones, Chief Revenue Officer of Appian Corporation (the “Company”), notified the Company he will be leaving the Company to take on an expanded role at a privately held software company.
Departed

Eric Cross

Chief Revenue Officer
APPN · APPIAN CORP
Effective
2022-06-30
Filed
May 17, 2022, 7:59 PM ET
On May 17, 2022 , Eric Cross, Chief Revenue Officer of Appian Corporation (the “Company”), notified the Company that he will be leaving the Company at the end of June 2022 to take on an expanded role at a late stage software company.
Appointed

Mark Matheos

Chief Financial Officer
APPN · APPIAN CORP
Effective
2022-04-01
Filed
April 4, 2022, 7:59 PM ET
Mark Matheos has been appointed Chief Financial Officer of the Company, effective April 1, 2022
Departed

Mark Lynch

Chief Financial Officer
APPN · APPIAN CORP
Effective
2022-04-01
Successor
Mark Matheos
Filed
April 4, 2022, 7:59 PM ET
Mr. Matheos succeeds Mark Lynch, who has served as the Company's Chief Financial Officer since October 2008.
Departed

Mark Lynch

Chief Financial Officer
APPN · APPIAN CORP
Effective
2022-03-31
Filed
December 7, 2021, 6:59 PM ET
On December 1, 2021, Mark Lynch, Chief Financial Officer, notified the Company he plans to retire effective March 31, 2022.
Appointed

Mark Matheos

Chief Accounting Officer
APPN · APPIAN CORP
Effective
2021-12-31
Filed
December 7, 2021, 6:59 PM ET
On December 1, 2021, the Board of Directors approved the appointment of Mark Matheos as Chief Accounting Officer, effective December 31, 2021.

Earnings & guidance

2026-Q1 EPS reported -$0.02 filing →

Materiality & sentiment trend

Max materiality 0.95 · Median 0.70 · Most common event earnings

23 positive 9 negative 17 neutral

source · APPN on sec.gov