Leadership changes
Executive appointments and departures from SEC 8-K filings, updated within hours of each filing.
Updated Nov 6, 2026
Changes, November 2026
292
Appointments
143
Departures
34
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3,420 changes
| Filing date | Company | Person | Role | Change | Effective date | Source |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | National Healthcare Properties, Inc. | Edward M. Weil, Jr. | board of directorsboard of directors | Departed | Sep 11, 2026 | SEC 8-K |
| Sep 14, 2026 | NPK International Inc. | James Barton | Executive Vice President, Commercial Growth & OperationsExecutive Vice President, Commercial Growth & Operations | Appointed | Sep 22, 2026 | SEC 8-K |
| Sep 14, 2026 | NPK International Inc. | Lori Briggs | Executive Vice President, Commercial Growth & OperationsExecutive Vice President, Commercial Growth & Operations | Departed | Sep 14, 2026 | SEC 8-K |
| Sep 14, 2026 | PDS Biotechnology Corp | Patrick Soon-Shiong | Class C directorClass C director | Appointed | Sep 14, 2026 | SEC 8-K |
| Sep 14, 2026 | PDS Biotechnology Corp | James Banaag | Class A directorClass A director | Appointed | Sep 14, 2026 | SEC 8-K |
| Sep 14, 2026 | Rainmaker Worldwide Inc. | Michael O’Connor | Interim Chief Executive OfficerCEO | Departed | Sep 10, 2026 | SEC 8-K |
| Sep 14, 2026 | Rainmaker Worldwide Inc. | Ryan D. Moore | directordirector | Appointed | Sep 10, 2026 | SEC 8-K |
| Sep 14, 2026 | Rainmaker Worldwide Inc. | Michael A. Skinner | PresidentPresident | Appointed | Sep 10, 2026 | SEC 8-K |
| Sep 14, 2026 | Rainmaker Worldwide Inc. | Michael A. Skinner | principal executive officerprincipal executive officer | Role change | n/a | SEC 8-K |
| Sep 14, 2026 | RARE ELEMENT RESOURCES LTD | Josef Bilant | Chief Operating OfficerCOO | Appointed | Oct 5, 2026 | SEC 8-K |
| Sep 14, 2026 | Rimini Street, Inc. | Steven Hershkowitz | Executive Vice President and Chief Revenue OfficerCRO | Appointed | Sep 14, 2026 | SEC 8-K |
| Sep 14, 2026 | Sionna Therapeutics, Inc. | Caroline Stark Beer, M.B.A. | Chief Business OfficerChief Business Officer | Departed | Sep 15, 2026 | SEC 8-K |
| Sep 14, 2026 | Sionna Therapeutics, Inc. | Charlotte McKee | Head of Research and DevelopmentHead of Research and Development | Role change | Sep 16, 2026 | SEC 8-K |
| Sep 14, 2026 | Sionna Therapeutics, Inc. | Elena Ridloff | Chief Business OfficerChief Business Officer | Role change | Sep 16, 2026 | SEC 8-K |
| Sep 14, 2026 | Sionna Therapeutics, Inc. | Jennifer Fitzpatrick | Head of Program ManagementHead of Program Management | Role change | Sep 16, 2026 | SEC 8-K |
| Sep 14, 2026 | STATE STREET CORP | Mostapha Tahiri | President of State Street AlphaPresident | Appointed | Sep 14, 2026 | SEC 8-K |
| Sep 14, 2026 | STATE STREET CORP | Mostapha Tahiri | Enterprise Chief Operating OfficerCOO | Departed | Sep 14, 2026 | SEC 8-K |
| Sep 14, 2026 | STATE STREET CORP | Ann Fogarty | Enterprise Chief Operating OfficerCOO | Appointed | Sep 14, 2026 | SEC 8-K |
| Sep 11, 2026 | Amrize Ltd | Mario Gross | President, Building EnvelopePresident | Appointed | Sep 11, 2026 | SEC 8-K |
| Sep 11, 2026 | Apimeds Pharmaceuticals US, Inc. | Sungjoon Chae | member of the Boardmember of the Board | Appointed | Sep 10, 2026 | SEC 8-K |
Edward M. Weil, Jr. board of directors
Filed Sep 14, 2026Effective Sep 11, 2026SEC 8-K
- NPK International Inc.Appointed
James Barton Executive Vice President, Commercial Growth & Operations
Filed Sep 14, 2026Effective Sep 22, 2026SEC 8-K
- NPK International Inc.Departed
Lori Briggs Executive Vice President, Commercial Growth & Operations
Filed Sep 14, 2026Effective Sep 14, 2026SEC 8-K
- PDS Biotechnology CorpAppointed
Patrick Soon-Shiong Class C director
Filed Sep 14, 2026Effective Sep 14, 2026SEC 8-K
- PDS Biotechnology CorpAppointed
James Banaag Class A director
Filed Sep 14, 2026Effective Sep 14, 2026SEC 8-K
- Rainmaker Worldwide Inc.Departed
Michael O’Connor CEO
Filed Sep 14, 2026Effective Sep 10, 2026SEC 8-K
- Rainmaker Worldwide Inc.Appointed
Ryan D. Moore director
Filed Sep 14, 2026Effective Sep 10, 2026SEC 8-K
- Rainmaker Worldwide Inc.Appointed
Michael A. Skinner President
Filed Sep 14, 2026Effective Sep 10, 2026SEC 8-K
- Rainmaker Worldwide Inc.Role change
Michael A. Skinner principal executive officer
Filed Sep 14, 2026SEC 8-K
- RARE ELEMENT RESOURCES LTDAppointed
Josef Bilant COO
Filed Sep 14, 2026Effective Oct 5, 2026SEC 8-K
- Rimini Street, Inc.Appointed
Steven Hershkowitz CRO
Filed Sep 14, 2026Effective Sep 14, 2026SEC 8-K
- Sionna Therapeutics, Inc.Departed
Caroline Stark Beer, M.B.A. Chief Business Officer
Filed Sep 14, 2026Effective Sep 15, 2026SEC 8-K
- Sionna Therapeutics, Inc.Role change
Charlotte McKee Head of Research and Development
Filed Sep 14, 2026Effective Sep 16, 2026SEC 8-K
- Sionna Therapeutics, Inc.Role change
Elena Ridloff Chief Business Officer
Filed Sep 14, 2026Effective Sep 16, 2026SEC 8-K
- Sionna Therapeutics, Inc.Role change
Jennifer Fitzpatrick Head of Program Management
Filed Sep 14, 2026Effective Sep 16, 2026SEC 8-K
- STATE STREET CORPAppointed
Mostapha Tahiri President
Filed Sep 14, 2026Effective Sep 14, 2026SEC 8-K
- STATE STREET CORPDeparted
Mostapha Tahiri COO
Filed Sep 14, 2026Effective Sep 14, 2026SEC 8-K
- STATE STREET CORPAppointed
Ann Fogarty COO
Filed Sep 14, 2026Effective Sep 14, 2026SEC 8-K
- Amrize LtdAppointed
Mario Gross President
Filed Sep 11, 2026Effective Sep 11, 2026SEC 8-K
- Apimeds Pharmaceuticals US, Inc.Appointed
Sungjoon Chae member of the Board
Filed Sep 11, 2026Effective Sep 10, 2026SEC 8-K