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美国

证券交易委员会

华盛顿特区 20549

表格 6-K

外国私人发行人报告

根据第 13A-16 条或第 15D-16 条

《1934 年证券交易法》

2026 年 10 月

委员会档案编号：001-37877

The Bank of N.T. Butterfield & Son Limited

（注册人名称的英文译名）

65 Front Street

Hamilton, HM 12

百慕大

（主要行政办公室地址）

请勾选注册人是否以 Form 20-F 或 Form 40-F 形式提交或将提交年度报告。

Form 20-F ý Form 40-F o

请勾选注册人是否根据 Regulation S-T 第 101(b)(1) 条的许可，以纸质形式提交 Form 6-K：o

请勾选注册人是否根据 Regulation S-T 第 101(b)(7) 条的许可，以纸质形式提交 Form 6-K：o

本 Form 6-K 所含文件

随附文件包括：(i) 附件 99.1，为收益公告；(ii) 附件 99.2，为财务报表；(iii) 附件 99.3，为 The Bank of N.T. Butterfield & Son Limited 截至 2026 年 9 月 30 日止三个月的业绩电话会议演示文稿。

根据《1934 年证券交易法》的要求，注册人已由下列经正式授权的签署人代表其正式签署本报告。


日期： 2026 年 10 月 27 日	THE BANK OF N.T. BUTTERFIELD & SON LIMITED


	签署人：	/s/ Michael Schrum
	姓名：	Michael Schrum
	职务：	总裁兼集团首席财务官


2

附件索引


附件		说明

99.1		收益公告——2026 年第三季度业绩
99.2		财务报表——2026 年第三季度业绩
99.3		业绩电话会议演示文稿——2026 年第三季度业绩


3

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