A

SEC EDGAR - Form 4 insider activity

Appian Corp $APPN

Tracked equity - 6 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

0

OM buys - 90d

1

OM sells - 90d

5

Routine filings

6

Cluster filings

$1.22M

Largest trade

25/100

Avg signal score

Filing tape

Recent filings

Last 30d: 6
Open-market SellCLUSTERHigh signal 77/100
filed 2026-10-08
CWCEO

Calkins Matthew W - Director, CEO and President, 10% Owner - $1.22M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Grant / AwardCLUSTERRoutine 15/100
filed 2026-10-02
EABoard

Edwards Shirley Ann - Director - -

This is compensation-related stock, not a purchase decision - it should not be read as an open-market buy. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Grant / AwardCLUSTERRoutine 15/100
filed 2026-10-02
HIBoard

Hartman Carl Joseph II - Director - -

This is compensation-related stock, not a purchase decision - it should not be read as an open-market buy. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Grant / AwardCLUSTERRoutine 15/100
filed 2026-10-02
LFBoard

Link David Forrest - Director - -

This is compensation-related stock, not a purchase decision - it should not be read as an open-market buy. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Grant / AwardCLUSTERRoutine 15/100
filed 2026-10-02
LSBoard

Lynch Mark Steven - Director - -

This is compensation-related stock, not a purchase decision - it should not be read as an open-market buy. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Grant / AwardCLUSTERRoutine 15/100
filed 2026-10-02
KGBoard

Kilberg Bobbie G - Director - -

This is compensation-related stock, not a purchase decision - it should not be read as an open-market buy. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing