Insider · CIK 0002003533
Mark Whalen
Files at NBBK (NB Bancorp, Inc.). First filing -, latest -.
In brief
Mark Whalen files SEC Form 4 as director at NBBK (NB Bancorp, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Mark Whalen has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 3 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Apr 24, 2026 | NBBK NB Bancorp, Inc. | FTax withholding Common Stock | -4,918 | $19.82 | $97k | 72,721 | Apr 27, 2026 |
| Jan 2, 2026 | NBBK NB Bancorp, Inc. | AGrant or award Common Stock | +2,402 | $0.00 | $0 | 77,639 | Jan 6, 2026 |
| Apr 24, 2025 | NBBK NB Bancorp, Inc. | AGrant or award Common Stock | +75,237 | $0.00 | $0 | 75,237 | Apr 28, 2025 |
Questions about Mark Whalen
Answered from the filings on this page, as of the latest one.
Is Mark Whalen buying or selling?
Mark Whalen has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Mark Whalen's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark Whalen has 0.
Where does Mark Whalen file Form 4?
Mark Whalen has filed Form 4 at NBBK (NB Bancorp, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.