Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark Whalen 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.
- Hope Pascucci - $474K in NBBK purchases and sales in the last 12 months
- Joseph P. Campanelli - $408K in NBBK purchases and sales in the last 12 months
- Mary Susan Elliott - $218K in NBBK purchases and sales in the last 12 months
- Kevin Henkin - $46K in NBBK purchases and sales in the last 12 months
- Jean-Pierre Lapointe - $25K in NBBK purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Mark Whalen?
Mark Whalen is a corporate insider, tracked as Director of NB Bancorp, Inc. (NBBK). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Mark Whalen last file a Form 4?
The most recent primary Form 4 on record is dated 15 May 2026, one of 2 filings going back to 2026.
