COO changes
Chief operating officer appointments and departures from SEC 8-K filings.
Updated Nov 6, 2026
COO changes, last 12 months
139
Appointments
83
Departures
16
Other roles
Get new COO changes by email
Appointments and departures per month
December 2025 to November 2026
| Month | Appointments | Departures |
|---|---|---|
| December 2025 | 0 | 0 |
| January 2026 | 0 | 0 |
| February 2026 | 0 | 0 |
| March 2026 | 0 | 0 |
| April 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| June 2026 | 0 | 0 |
| July 2026 | 0 | 0 |
| August 2026 | 25 | 2 |
| September 2026 | 33 | 7 |
| October 2026 | 16 | 6 |
| November 2026 | 9 | 1 |
Sectors with the most COO changes
Last 12 months
| Sector | COO changes |
|---|---|
| Banking and finance | 8 |
| Biotechnology | 4 |
| Restaurants | 3 |
| Electronics | 2 |
| Energy | 2 |
| Software | 2 |
| Aerospace | 1 |
| Industrial components | 1 |
| Insurance | 1 |
| Professional services | 1 |
Filters
139 changes
| Filing date | Company | Person | Change | Effective date | Source |
|---|---|---|---|---|---|
| Sep 15, 2026 | FIRST FINANCIAL BANCORP /OH/ | Malcolm A. Myers | Appointed | Sep 14, 2026 | SEC 8-K |
| Sep 14, 2026 | CROWN CASTLE INC. | Cathy Piche | Departed | Feb 22, 2027 | SEC 8-K |
| Sep 14, 2026 | DEXCOM INC | Jereme Sylvain | Appointed | Sep 14, 2026 | SEC 8-K |
| Sep 14, 2026 | RARE ELEMENT RESOURCES LTD | Josef Bilant | Appointed | Oct 5, 2026 | SEC 8-K |
| Sep 11, 2026 | Flux Power Holdings, Inc. | Jeff Mason | Departed | Sep 25, 2026 | SEC 8-K |
| Sep 11, 2026 | SharonAI Holdings Inc. | David Burns | Appointed | n/a | SEC 8-K |
| Sep 11, 2026 | UNIFIRST CORP | Kelly Rooney | Departed | Sep 11, 2026 | SEC 8-K |
| Sep 10, 2026 | KADANT INC | Michael C. Colwell | Appointed | Oct 1, 2026 | SEC 8-K |
| Sep 9, 2026 | Coronado Global Resources Inc. | Craig Manz | Departed | Nov 13, 2026 | SEC 8-K |
| Sep 9, 2026 | Coronado Global Resources Inc. | Brett Holbrook | Appointed | Oct 1, 2026 | SEC 8-K |
| Sep 9, 2026 | Coronado Global Resources Inc. | Shaun Newberry | Appointed | Sep 9, 2026 | SEC 8-K |
| Sep 9, 2026 | GENUINE PARTS CO | Bert Nappier | Appointed | Sep 6, 2026 | SEC 8-K |
| Sep 9, 2026 | GENUINE PARTS CO | James Howe | Appointed | Sep 6, 2026 | SEC 8-K |
| Sep 8, 2026 | Better Home & Finance Holding Co | Barry Feierstein | Departed | Sep 4, 2026 | SEC 8-K |
| Sep 8, 2026 | CARLSMED, INC. | Jeffrey Bertolini | Appointed | Sep 8, 2026 | SEC 8-K |
| Sep 8, 2026 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Brian Haglund | Appointed | Sep 4, 2026 | SEC 8-K |
| Sep 8, 2026 | RBB Bancorp | Gary Fan | Departed | Sep 30, 2026 | SEC 8-K |
| Sep 4, 2026 | Global Asset Management Group, Inc. | Andy Roiniotis | Appointed | Sep 3, 2026 | SEC 8-K |
| Sep 4, 2026 | Niki BioSolutions, Inc. | Alidad Mireskandari | Appointed | Aug 1, 2026 | SEC 8-K |
| Sep 4, 2026 | SILGAN HOLDINGS INC | Philippe Chevrier | Departed | Sep 30, 2026 | SEC 8-K |
Sort:Filing date ↓Company
- FIRST FINANCIAL BANCORP /OH/Appointed
Malcolm A. Myers COO
Filed Sep 15, 2026Effective Sep 14, 2026SEC 8-K
- CROWN CASTLE INC.Departed
Cathy Piche COO
Filed Sep 14, 2026Effective Feb 22, 2027SEC 8-K
- DEXCOM INCAppointed
Jereme Sylvain COO
Filed Sep 14, 2026Effective Sep 14, 2026SEC 8-K
- RARE ELEMENT RESOURCES LTDAppointed
Josef Bilant COO
Filed Sep 14, 2026Effective Oct 5, 2026SEC 8-K
- Flux Power Holdings, Inc.Departed
Jeff Mason COO
Filed Sep 11, 2026Effective Sep 25, 2026SEC 8-K
- SharonAI Holdings Inc.Appointed
David Burns COO
Filed Sep 11, 2026SEC 8-K
- UNIFIRST CORPDeparted
Kelly Rooney COO
Filed Sep 11, 2026Effective Sep 11, 2026SEC 8-K
- KADANT INCAppointed
Michael C. Colwell COO
Filed Sep 10, 2026Effective Oct 1, 2026SEC 8-K
- Coronado Global Resources Inc.Departed
Craig Manz COO
Filed Sep 9, 2026Effective Nov 13, 2026SEC 8-K
- Coronado Global Resources Inc.Appointed
Brett Holbrook COO
Filed Sep 9, 2026Effective Oct 1, 2026SEC 8-K
- Coronado Global Resources Inc.Appointed
Shaun Newberry COO
Filed Sep 9, 2026Effective Sep 9, 2026SEC 8-K
- GENUINE PARTS COAppointed
Bert Nappier COO
Filed Sep 9, 2026Effective Sep 6, 2026SEC 8-K
- GENUINE PARTS COAppointed
James Howe COO
Filed Sep 9, 2026Effective Sep 6, 2026SEC 8-K
- Better Home & Finance Holding CoDeparted
Barry Feierstein COO
Filed Sep 8, 2026Effective Sep 4, 2026SEC 8-K
- CARLSMED, INC.Appointed
Jeffrey Bertolini COO
Filed Sep 8, 2026Effective Sep 8, 2026SEC 8-K
Brian Haglund COO
Filed Sep 8, 2026Effective Sep 4, 2026SEC 8-K
- RBB BancorpDeparted
Gary Fan COO
Filed Sep 8, 2026Effective Sep 30, 2026SEC 8-K
- Global Asset Management Group, Inc.Appointed
Andy Roiniotis COO
Filed Sep 4, 2026Effective Sep 3, 2026SEC 8-K
- Niki BioSolutions, Inc.Appointed
Alidad Mireskandari COO
Filed Sep 4, 2026Effective Aug 1, 2026SEC 8-K
- SILGAN HOLDINGS INCDeparted
Philippe Chevrier COO
Filed Sep 4, 2026Effective Sep 30, 2026SEC 8-K