Insider · CIK 0001409460
Steven M Klein
Files at MSEX (MIDDLESEX WATER CO), NFBK (Northfield Bancorp, Inc.), CLBK (Columbia Financial, Inc./MD/). First filing Jul 22, 2026, latest Jul 22, 2026.
In brief
Steven M Klein files SEC Form 4 as CEO, president, chair, director and COO at CLBK (Columbia Financial, Inc./MD/), and also at MSEX (MIDDLESEX WATER CO), NFBK (Northfield Bancorp, Inc.). Since Jul 22, 2026, Steven M Klein has reported 1 open-market buy worth $500k and 0 open-market sells worth $0, the latest filed on Jul 22, 2026.
A track record needs three past buys with six months of prices behind them; Steven M Klein has 0, so none is measured yet.
The newest scored trade: bought $500k of CLBK on Jul 20, 2026, filed Jul 22, 2026, scored 56 (moderate). In the last 12 months: 1 buy worth $500k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
CLBK: Columbia Financial, Inc./MD/
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 |
|---|---|---|---|---|---|
| 56Moderate | Columbia Financial, Inc./MD/ | $500k 50,000 shares | +8% | +78% from low0% from high |
Transactions
Every row this insider has filed, 18 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 20, 2026 | CLBK Columbia Financial, Inc./MD/ | POpen-market purchase Common Stock | +50,000 | $10.00 | $500k | 711,570 | Jul 22, 2026 |
| Jul 20, 2026 | NFBK Northfield Bancorp, Inc. | DDisposition to issuer Common Stock | -464,261 | - | - | 0 | Jul 20, 2026 |
| Jul 20, 2026 | NFBK Northfield Bancorp, Inc. | DDisposition to issuer Common Stockindirect: By 401(k) | -66,997 | - | - | 0 | Jul 20, 2026 |
| Jul 20, 2026 | NFBK Northfield Bancorp, Inc. | DDisposition to issuer Common Stockindirect: By ESOP | -59,119 | - | - | 0 | Jul 20, 2026 |
| Jul 20, 2026 | NFBK Northfield Bancorp, Inc. | DDisposition to issuer Stock Optionsderivative | -40,000 | - | - | 0 | Jul 20, 2026 |
| Jul 14, 2026 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -9,732 | $14.72 | $143k | 464,261 | Jul 15, 2026 |
| Apr 1, 2026 | MSEX MIDDLESEX WATER CO | AGrant or award Common Stock (Book) | +865 | $52.05 | $45k | 3,333 | Apr 1, 2026 |
| Jan 27, 2026 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -2,187 | $11.99 | $26k | 475,118 | Jan 29, 2026 |
| Jan 29, 2026 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -1,125 | $12.15 | $14k | 473,993 | Jan 29, 2026 |
| Jan 24, 2026 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -3,957 | $11.89 | $47k | 479,985 | Jan 27, 2026 |
| Jan 26, 2026 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -2,680 | $11.89 | $32k | 477,305 | Jan 27, 2026 |
| Apr 1, 2025 | MSEX MIDDLESEX WATER CO | AGrant or award Common Stock (Book) | +702 | $64.10 | $45k | 2,468 | Apr 1, 2025 |
| Feb 17, 2025 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -705 | $11.82 | $8,333 | 483,942 | Feb 19, 2025 |
| Jan 28, 2025 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -1,534 | $11.68 | $18k | 485,772 | Jan 30, 2025 |
| Jan 29, 2025 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -1,125 | $11.55 | $13k | 484,647 | Jan 30, 2025 |
| Jan 24, 2025 | NFBK Northfield Bancorp, Inc. | AGrant or award Common Stock | +24,233 | $0.00 | $0 | 492,172 | Jan 28, 2025 |
| Jan 26, 2025 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -2,679 | $11.66 | $31k | 489,493 | Jan 28, 2025 |
| Jan 27, 2025 | NFBK Northfield Bancorp, Inc. | FTax withholding Common Stock | -2,187 | $11.87 | $26k | 487,306 | Jan 28, 2025 |
Questions about Steven M Klein
Answered from the filings on this page, as of the latest one.
Is Steven M Klein buying or selling?
In the last 12 months Steven M Klein reported 1 open-market buy worth $500k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $500k of CLBK on Jul 20, 2026. Grants, option exercises and tax withholding are not counted.
How did Steven M Klein's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Steven M Klein has 0.
Where does Steven M Klein file Form 4?
Steven M Klein has filed Form 4 at CLBK (Columbia Financial, Inc./MD/) as Sr. EVP, COO; MSEX (MIDDLESEX WATER CO); NFBK (Northfield Bancorp, Inc.) as Chairman, President & CEO. 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.