Ronald Len Zimmerly Jr.
Chief Executive Officer, Director · MIDDLEFIELD BANC CORP
- 2024
- Mar 2, 2026
- 6
Other insiders active in the same sector
No other insider has filed at Ronald Len Zimmerly Jr.'s companies, so these are insiders reporting open-market trades at other companies in the same sector.
- David M. Rubenstein - $40.44M in CG purchases and sales in the last 12 months
- United Workers - $40.00M in AMAL purchases and sales in the last 12 months
- States Regional Joint Board, Workers United Western - $40.00M in AMAL purchases and sales in the last 12 months
- David Fisher - $39.21M in ENVA purchases and sales in the last 12 months
- June Ou - $38.24M in FIGR purchases and sales in the last 12 months
- Michael Scott Cagney - $38.24M in FIGR purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Ronald Len Zimmerly Jr.?
Ronald Len Zimmerly Jr. is a corporate insider, tracked as Chief Executive Officer, Director of MIDDLEFIELD BANC CORP (MBCN). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Ronald Len Zimmerly Jr. last file a Form 4?
The most recent primary Form 4 on record is dated 2 March 2026, one of 6 filings going back to 2024.