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Insider · CIK 0002078386

Matthew Richardson

officer

Files at NBBK (NB Bancorp, Inc.). First filing -, latest -.

Matthew Richardson files SEC Form 4 as officer 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; Matthew Richardson has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 1 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Feb 25, 2026NBBK
NB Bancorp, Inc.
AGrant or award
Common Stock
+13,749$0.00$013,749Feb 27, 2026

Questions about Matthew Richardson

Answered from the filings on this page, as of the latest one.

Is Matthew Richardson buying or selling?

Matthew Richardson has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Matthew Richardson's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Matthew Richardson has 0.

Where does Matthew Richardson file Form 4?

Matthew Richardson has filed Form 4 at NBBK (NB Bancorp, Inc.) as EVP, Treasury & Cash Mgmt Svcs. 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.