Insider · CIK 0002003467
William Darcey
Files at NBBK (NB Bancorp, Inc.). First filing Aug 12, 2025, latest Aug 12, 2025.
In brief
William Darcey files SEC Form 4 as director at NBBK (NB Bancorp, Inc.). Since Aug 12, 2025, William Darcey has reported 1 open-market buy worth $86k and 0 open-market sells worth $0, the latest filed on Aug 12, 2025.
A track record needs three past buys with six months of prices behind them; William Darcey has 0, so none is measured yet.
The newest scored trade: bought $86k of NBBK on Aug 11, 2025, filed Aug 12, 2025, scored 31 (weak).
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
NBBK: NB Bancorp, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 31Weak | NBBKbuy NB Bancorp, Inc. | $86k 5,000 shares | +7% | +11% from low-17% from high |
Transactions
Every row this insider has filed, 5 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 | 77,721 | Apr 27, 2026 |
| Jan 2, 2026 | NBBK NB Bancorp, Inc. | AGrant or award Common Stock | +2,402 | $0.00 | $0 | 82,639 | Jan 6, 2026 |
| Aug 11, 2025 | NBBK NB Bancorp, Inc. | POpen-market purchase Common Stock | +139 | $17.29 | $2,403 | 75,376 | Aug 12, 2025 |
| Aug 11, 2025 | NBBK NB Bancorp, Inc. | POpen-market purchase Common Stock | +4,861 | $17.30 | $84k | 80,237 | Aug 12, 2025 |
| Apr 24, 2025 | NBBK NB Bancorp, Inc. | AGrant or award Common Stock | +75,237 | $0.00 | $0 | 75,237 | Apr 28, 2025 |
Questions about William Darcey
Answered from the filings on this page, as of the latest one.
Is William Darcey buying or selling?
Not in the last 12 months. William Darcey's latest open-market trade on SEC Form 4 was bought $86k of NBBK on Aug 11, 2025.
How did William Darcey's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William Darcey has 0.
Where does William Darcey file Form 4?
William Darcey 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.