Summary
Updated Aug 31, 2026
Maura Ellen Sullivan is Director of ECB Bancorp, Inc. /MD/ (ECBK). 1 SEC Form 4 filing on record, dated 9 February 2026. Most recent open-market trade: bought $41K of ECBK on 9 February 2026. Lifetime open-market purchases: $41K.
Recent Transactions
1Every recent SEC Form 4 transaction Maura Ellen Sullivan has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Maura Ellen Sullivan go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. The typical open-market purchase is $41K (1 buy totaling $41K). The largest single buy on record is $41K of ECBK in 2026. 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 Stocks
Insiders who reported open-market trades in the last 12 months at the companies Maura Ellen Sullivan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Richard J. O'Neil Jr. - $20K of ECBK open-market activity in the last 12 months
- Brandon Lavertu - $716 of ECBK 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 Maura Ellen Sullivan?
Maura Ellen Sullivan is a corporate insider, tracked as Director of ECB Bancorp, Inc. /MD/ (ECBK). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Maura Ellen Sullivan last file a Form 4?
The only primary Form 4 on record is dated 9 February 2026.
Has Maura Ellen Sullivan been buying or selling stock?
Recorded transactions: 1 open-market purchase ($41K) and 0 open-market sales across all tracked filings.
Where can I see all of Maura Ellen Sullivan'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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