Leadership changes, September 2026
Executive appointments and departures from SEC 8-K filings, updated within hours of each filing.
Updated Nov 6, 2026
Changes
1,052
Appointments
619
Departures
64
Browse by role
September 2026
Get new CFO appointments the day the filing lands.
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1,052 changes
| Filing date | Company | Person | Role | Change | Effective date | Source |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | Laird Superfood, Inc. | Mark Johnson | Chief Financial OfficerCFO | Appointed | Oct 1, 2026 | SEC 8-K |
| Sep 8, 2026 | LASE Corp. | Timothy A. Peterman | Acting CFOCFO | Appointed | Sep 8, 2026 | SEC 8-K |
| Sep 8, 2026 | LIQTECH INTERNATIONAL INC | David Noerby Foss Kowalczyk | Chief Financial and Operating OfficerCFO | Departed | Nov 30, 2026 | SEC 8-K |
| Sep 8, 2026 | MARKEL GROUP INC. | Steven A. Markel | Chairman of the Board of DirectorsChairman of the Board of Directors | Departed | Sep 8, 2026 | SEC 8-K |
| Sep 8, 2026 | MARKEL GROUP INC. | Steven A. Markel | member of the Boardmember of the Board | Departed | n/a | SEC 8-K |
| Sep 8, 2026 | MARKEL GROUP INC. | Thomas S. Gayner | ChairmanChairman | Appointed | Sep 8, 2026 | SEC 8-K |
| Sep 8, 2026 | MARKEL GROUP INC. | Simon Wilson | Co-President and Chief Executive Officer, Markel InsurancePresident | Appointed | Sep 8, 2026 | SEC 8-K |
| Sep 8, 2026 | MARKEL GROUP INC. | Andrew G. Crowley | Co-President and Chief Executive Officer, Markel VenturesPresident | Appointed | Sep 8, 2026 | SEC 8-K |
| Sep 8, 2026 | Mirum Pharmaceuticals, Inc. | Rob Myers, M.D. | Chief Medical OfficerCMO | Appointed | Sep 21, 2026 | SEC 8-K |
| Sep 8, 2026 | MNTN, Inc. | Michael J. Katz | Class II directorClass II director | Appointed | Sep 3, 2026 | SEC 8-K |
| Sep 8, 2026 | MSC INDUSTRIAL DIRECT CO INC | Robert Kuhns | Executive Vice President and Chief Financial OfficerCFO | Appointed | Sep 14, 2026 | SEC 8-K |
| Sep 8, 2026 | MSC INDUSTRIAL DIRECT CO INC | Greg Clark | Interim Chief Financial OfficerCFO | Departed | Sep 14, 2026 | SEC 8-K |
| Sep 8, 2026 | Nerdy Inc. | Kyle Callaway | Chief Accounting Officer and principal accounting officerChief Accounting Officer and principal accounting officer | Departed | n/a | SEC 8-K |
| Sep 8, 2026 | Nerdy Inc. | Atul Bagga | principal accounting officerprincipal accounting officer | Appointed | n/a | SEC 8-K |
| Sep 8, 2026 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Gautam Ramdas | President and Chief Executive OfficerCEO | Appointed | Sep 4, 2026 | SEC 8-K |
| Sep 8, 2026 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | G. Patrick Lynch | Chairman of the BoardChairman of the Board | Appointed | Sep 4, 2026 | SEC 8-K |
| Sep 8, 2026 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Richard Nigon | lead independent directorlead independent director | Appointed | Sep 4, 2026 | SEC 8-K |
| Sep 8, 2026 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Brian Haglund | Chief Operating OfficerCOO | Appointed | Sep 4, 2026 | SEC 8-K |
| Sep 8, 2026 | Offerpad Solutions Inc. | Benjamin Graboske | Class III directorClass III director | Appointed | Sep 3, 2026 | SEC 8-K |
| Sep 8, 2026 | OneWater Marine Inc. | Jef frey B. Lamkin | DirectorDirector | Departed | Sep 3, 2026 | SEC 8-K |
- Laird Superfood, Inc.Appointed
Mark Johnson CFO
Filed Sep 8, 2026Effective Oct 1, 2026SEC 8-K
- LASE Corp.Appointed
Timothy A. Peterman CFO
Filed Sep 8, 2026Effective Sep 8, 2026SEC 8-K
- LIQTECH INTERNATIONAL INCDeparted
David Noerby Foss Kowalczyk CFO
Filed Sep 8, 2026Effective Nov 30, 2026SEC 8-K
- MARKEL GROUP INC.Departed
Steven A. Markel Chairman of the Board of Directors
Filed Sep 8, 2026Effective Sep 8, 2026SEC 8-K
- MARKEL GROUP INC.Departed
Steven A. Markel member of the Board
Filed Sep 8, 2026SEC 8-K
- MARKEL GROUP INC.Appointed
Thomas S. Gayner Chairman
Filed Sep 8, 2026Effective Sep 8, 2026SEC 8-K
- MARKEL GROUP INC.Appointed
Simon Wilson President
Filed Sep 8, 2026Effective Sep 8, 2026SEC 8-K
- MARKEL GROUP INC.Appointed
Andrew G. Crowley President
Filed Sep 8, 2026Effective Sep 8, 2026SEC 8-K
- Mirum Pharmaceuticals, Inc.Appointed
Rob Myers, M.D. CMO
Filed Sep 8, 2026Effective Sep 21, 2026SEC 8-K
- MNTN, Inc.Appointed
Michael J. Katz Class II director
Filed Sep 8, 2026Effective Sep 3, 2026SEC 8-K
- MSC INDUSTRIAL DIRECT CO INCAppointed
Robert Kuhns CFO
Filed Sep 8, 2026Effective Sep 14, 2026SEC 8-K
- MSC INDUSTRIAL DIRECT CO INCDeparted
Greg Clark CFO
Filed Sep 8, 2026Effective Sep 14, 2026SEC 8-K
- Nerdy Inc.Departed
Kyle Callaway Chief Accounting Officer and principal accounting officer
Filed Sep 8, 2026SEC 8-K
- Nerdy Inc.Appointed
Atul Bagga principal accounting officer
Filed Sep 8, 2026SEC 8-K
Gautam Ramdas CEO
Filed Sep 8, 2026Effective Sep 4, 2026SEC 8-K
G. Patrick Lynch Chairman of the Board
Filed Sep 8, 2026Effective Sep 4, 2026SEC 8-K
Richard Nigon lead independent director
Filed Sep 8, 2026Effective Sep 4, 2026SEC 8-K
Brian Haglund COO
Filed Sep 8, 2026Effective Sep 4, 2026SEC 8-K
- Offerpad Solutions Inc.Appointed
Benjamin Graboske Class III director
Filed Sep 8, 2026Effective Sep 3, 2026SEC 8-K
- OneWater Marine Inc.Departed
Jef frey B. Lamkin Director
Filed Sep 8, 2026Effective Sep 3, 2026SEC 8-K