Steven M. Klein

Companies

• Columbia Financial, Inc./MD/Board member Jul 22, 2026 to now¹
• Columbia Financial, Inc./MD/Chief operating officer Jul 22, 2026 to now¹
• Northfield Bancorp, Inc.Chair Aug 9, 2021 to now²
• Northfield Bancorp, Inc.Chief executive officer Nov 2, 2017 to now³
• Northfield Bancorp, Inc.President Feb 8, 2013 to now⁴
• Middlesex Water CompanyBoard member Dec 21, 2009 to now⁵
• Northfield Bancorp, Inc.Board member Feb 3, 2014 to Feb 2, 2021⁶
• Northfield Bancorp, Inc.Chief operating officer Jan 23, 2013 to May 3, 2017⁷
• Northfield Bancorp, Inc.Chief financial officer Jan 23, 2013 to Jan 28, 2013⁷

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• CFColumbia Financial, Inc./MD/ CLBK745,814 shares⁸$7.9M at $10.60Jul 22, 2026
• Middlesex Water Company MSEX7,559 shares⁹$401.7K at $53.14Apr 1, 2026
• NBNorthfield Bancorp, Inc.0 shares¹⁰Jul 20, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 20, 2026Returned to company 59,119 shares of Northfield Bancorp, Inc.¹⁰
• Jul 20, 2026Returned to company 66,997 shares of Northfield Bancorp, Inc.¹⁰
• Jul 20, 2026Returned to company 464,261 shares of Northfield Bancorp, Inc.¹⁰
• Jul 20, 2026Bought 50,000 shares at $10.00 of Columbia Financial, Inc./MD/¹¹
• Jul 14, 2026Shares withheld for tax 9,732 shares at $14.72 of Northfield Bancorp, Inc.¹²
• Apr 1, 2026Granted 865 shares at $52.05 of Middlesex Water Company⁹
• Jan 29, 2026Shares withheld for tax 1,125 shares at $12.15 of Northfield Bancorp, Inc.¹³
• Jan 27, 2026Shares withheld for tax 2,187 shares at $11.99 of Northfield Bancorp, Inc.¹³
• Jan 26, 2026Shares withheld for tax 2,680 shares at $11.89 of Northfield Bancorp, Inc.¹⁴
• Jan 24, 2026Shares withheld for tax 3,957 shares at $11.89 of Northfield Bancorp, Inc.¹⁴
• Apr 1, 2025Granted 702 shares at $64.10 of Middlesex Water Company¹⁵
• Feb 17, 2025Shares withheld for tax 705 shares at $11.82 of Northfield Bancorp, Inc.¹⁶
• Jan 29, 2025Shares withheld for tax 1,125 shares at $11.55 of Northfield Bancorp, Inc.¹⁷
• Jan 28, 2025Shares withheld for tax 1,534 shares at $11.68 of Northfield Bancorp, Inc.¹⁷
• Jan 27, 2025Shares withheld for tax 2,187 shares at $11.87 of Northfield Bancorp, Inc.¹⁸
• Jan 26, 2025Shares withheld for tax 2,679 shares at $11.66 of Northfield Bancorp, Inc.¹⁸
• Jan 24, 2025Granted 24,233 shares of Northfield Bancorp, Inc.¹⁸
• Jun 11, 2024Bought 11,061 shares at $7.56 of Northfield Bancorp, Inc.¹⁹
• Apr 1, 2024Granted 857 shares at $52.50 of Middlesex Water Company²⁰
• Feb 28, 2024Shares withheld for tax 3,800 shares at $9.86 of Northfield Bancorp, Inc.²¹
• Feb 28, 2024Shares withheld for tax 3,060 shares at $9.86 of Northfield Bancorp, Inc.²²
• Feb 28, 2024Granted 8,444 shares of Northfield Bancorp, Inc.²¹
• Feb 28, 2024Granted 6,800 shares of Northfield Bancorp, Inc.²²
• Feb 17, 2024Shares withheld for tax 706 shares at $10.67 of Northfield Bancorp, Inc.²³
• Jan 30, 2024Shares withheld for tax 1,141 shares at $13.24 of Northfield Bancorp, Inc.²⁴