| Name | Title | City, State | Date | 
|---|---|---|---|
| Willard L Umphrey | President | Lincoln, Massachusetts | 5/10/2022 | 
| Name | Holdings Value | Location | File Number | 
|---|---|---|---|
| Essex Investment Management Co Llc | $550M | Boston, MA | 028-00878 | 
| Axiom Investors Llc /De | $12.2B | Greenwich, CT | 028-05615 | 
| Polaris Capital Management, LLC | $1.52B | Boston, MA | 028-11073 | 
| Chartwell Investment Partners, Llc | Berywn, PA | 028-16224 |