Summary
Updated Aug 31, 2026
Brian H. Bullock is EVP - Principal Subsidiary of ENTERPRISE BANCORP INC /MA/ (EBTC). 2 SEC Form 4 filings on record, most recently on 1 July 2025.
Recent Transactions
4Every recent SEC Form 4 transaction Brian H. Bullock has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Brian H. Bullock go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Sector
No other insider has filed at Brian H. Bullock's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Paul B. Prager - $23.43M of WULF open-market activity in the last 12 months
- David M. Rubenstein - $23.34M of CG open-market activity in the last 12 months
- Robert C. Ritchie - $23.14M of AII open-market activity in the last 12 months
- William Hult - $23.10M of TW open-market activity in the last 12 months
- Kathryn H. Ruemmler - $22.95M of GS open-market activity in the last 12 months
- Jose A. Fernandez - $22.73M of STEP open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Brian H. Bullock?
Brian H. Bullock is a corporate insider, tracked as EVP - Principal Subsidiary of ENTERPRISE BANCORP INC /MA/ (EBTC). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Brian H. Bullock last file a Form 4?
The most recent primary Form 4 on record is dated 1 July 2025, one of 2 filings going back to 2025.
Where can I see all of Brian H. Bullock's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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