SCHEDULE 13D/A

Chain Bridge Bancorp Inc

Class A Common Stock, par value $0.01 per share · CUSIP: 15746L100

Event date: 2026-01-28

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• FITZGERALD THOMAS GReported CIK 0000904013

  Shares: 371,620.00 · Class: 10.1%

• FITZGERALD PETER GReported CIK 0000903965

  Shares: 1,027,820.00 · Class: 23.8%

• SCHAUER JULIE FReported CIK 0000903775

  Shares: 647,360.00 · Class: 16.4%

• FITZGERALD GERALD F JRReported CIK 0000904014

  Shares: 535,670.00 · Class: 14.0%

• FITZGERALD JAMES GReported CIK 0000922985

  Shares: 463,080.00 · Class: 12.3%

• Fitzgerald Thomas G. Jr.Reported CIK 0002036671

  Shares: 215,854.00 · Class: 6.1%

• Peterson Lauren FitzgeraldReported CIK 0002039443

  Shares: 189,040.00 · Class: 5.4%

• Fitzgerald Andrew J.Reported CIK 0002036676

  Shares: 177,604.00 · Class: 5.1%

• Everglades TrustReported CIK 0002039621

  Shares: 444,550.00 · Class: 11.9%

• Julie F. Schauer 1994 Trust

  Shares: 647,360.00 · Class: 16.4%

• JBF 2013 TrustReported CIK 0002039617

  Shares: 103,190.00 · Class: 3.0%

• Fitzgerald 2002 Special TrustReported CIK 0002039620

  Shares: 103,020.00 · Class: 3.0%

• GFF Family TrustReported CIK 0002039878

  Shares: 79,560.00 · Class: 2.4%

• Anhinga TrustReported CIK 0002039875

  Shares: 51,000.00 · Class: 1.5%

• Andrew J. Fitzgerald 2011 TrustReported CIK 0002039438

  Shares: 7,604.00 · Class: 0.2%

• JEM Management, L.P.Reported CIK 0002039614

  Shares: 211,140.00 · Class: 6.0%

• TGF INVESTMENTS L PReported CIK 0001026719

  Shares: 189,040.00 · Class: 5.4%

• TF Management, LLC

  Shares: 189,040.00 · Class: 5.4%

• Otis Road Investments, L.PReported CIK 0002039445

  Shares: 170,000.00 · Class: 4.9%

• Otis Management, LLC

  Shares: 170,000.00 · Class: 4.9%

• S.C. Investments II, L.P.Reported CIK 0002039613

  Shares: 141,950.00 · Class: 4.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.