D

SEC EDGAR - Form 4 insider activity

Donaldson Co Inc $DCI

Tracked equity - 8 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

0

OM sells - 90d

8

Routine filings

8

Cluster filings

$35.6K

Largest trade

15/100

Avg signal score

Filing tape

Recent filings

Last 30d: 8
Grant / AwardCLUSTERRoutine 15/100
filed 2026-10-05
SCBoard

Smiley Jacinth C - Director - $23.8K

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 2026-10-05
RABoard

Rautio Trudy A. - Director - $29.8K

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 2026-10-05
OJBoard

Owens James - Director - $23.8K

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 2026-10-05
HMBoard

Hilger Christopher M. - Director - $35.6K

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 2026-09-28
LBOfficer

Lewis Richard Brent - President - -

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 2026-09-28
DCOfficer

Driesen Bart C. - President - -

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 2026-09-28
CECEO

Carpenter Tod E. - Director, Chairman, President and CEO - -

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 2026-09-28
BCOfficer

Becker Amy C - Chief Legal Officer - -

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