Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Donald Michael Westermann 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.
- Joseph F. Casey - $7.10M of EBC open-market activity in the last 12 months
- Robert Francis Rivers - $861K of EBC open-market activity in the last 12 months
- R. David Rosato - $528K of EBC open-market activity in the last 12 months
- Luis Borgen - $249K of EBC open-market activity in the last 12 months
- David Andrew Ahlquist - $217K of EBC open-market activity in the last 12 months
- Denis K. Sheahan - $14 of EBC 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 Donald Michael Westermann?
Donald Michael Westermann is a corporate insider, tracked as Chief Information Officer of Eastern Bankshares, Inc. (EBC). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Donald Michael Westermann last file a Form 4?
The most recent primary Form 4 on record is dated 5 March 2026, one of 3 filings going back to 2026.
Has Donald Michael Westermann been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($427K) across all tracked filings.
Where can I see all of Donald Michael Westermann'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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