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美国\n

\n 证券交易委员会\n

\n 华盛顿特区 20549\n

8-K 表格

\n 根据第 13 或 15(D) 条提交的当前报告\n

\n 根据 1934 年证券交易法\n

\n 证券交易所法 1934 年\n

报告日期（最早事件报告日期）：2026 年 10 月 21 日

TrustCo 银行公司 NY

\n （注册人章程中指定的全名）\n


纽约	0-10592	14-1630287
州或其他司法管辖区的成立或组织	委员会文件编号	I.R.S. 雇主识别号码

5 SARNOWSKI DRIVE, GLENVILLE, NEW YORK 12302

\n （主要执行办公室地址）\n

(518) 377-3311

\n （注册人的电话号码，\n

\n 包括地区代码）\n

\n 不适用\n

\n （如自上次报告以来名称或地址已更改）\n

\n 如果拟同时满足注册人根据以下任何规定下的提交义务，请在下面的适当框中打勾：\n

☐

根据证券法第 425 条的书面沟通（17 CFR 230.425）

☐

根据交易法第 14a-12 条的征求材料（17 CFR 240.14a-12）

☐

根据交易法第 14d-2(b) 条的开始前沟通（17 CFR 240.14d-2(b)）

☐

根据交易法第 13e-4(c) 条的开始前沟通（17 CFR 240.13e-4(c)）

\n 根据第 12(b) 条注册的证券：\n


证券类别名称	交易符号	每个注册的交易所名称
普通股，面值 1.00 美元	TRST	纳斯达克全球精选市场

\n 通过勾选方框表明注册人是否根据《1933 年证券法》第 405 条（本章第 230.405 条）或《1934 年证券交易法》第 12b-2 条（本章第 240.12b-2 条）定义的新兴成长公司。\n

新兴成长公司 ☐

\n 如果是新兴成长公司，请通过勾选方框表明注册人是否已选择不使用根据《交易法》第 13(a) 条提供的任何新修订的财务会计标准的延长过渡期。 ☐

\n TrustCo 银行公司 NY\n

\n 第 2.02 项。\n

\n 经营成果和财务状况\n

\n 2026 年 10 月 21 日，TrustCo 银行公司 NY（“TrustCo”）发布了一份新闻稿，公布了截至 2026 年 9 月 30 日季度的业绩。附件是标记为 99(a) 的新闻稿副本。\n

\n 第 9.01 项。\n

\n 财务报表和附录

\n (d)\n

\n 附录\n

\n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n


\n\n\n Reg S-K 附录编号\n		\n \n 描述\n \n

99(a)		2026 年 10 月 21 日发布的新闻稿，关于截至 2026 年 9 月 30 日期间的季度业绩。

\n\n\n 104\n		\n \n 封面页交互式数据文件 – 封面页的 XBRL 标签已嵌入 Inline XBRL 文档中。\n \n

-2-

\n 签名\n

\n 根据 1934 年证券交易法的要求，注册人已 duly 促使本报告由受权代表签署。\n

\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n\n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n


\n \n 日期：2026 年 10 月 21 日\n \n

	\n \n TrustCo 银行公司 NY\n \n
	\n \n （注册人）\n \n

	\n \n 由：\n \n	\n \n /s/ Michael M. Ozimek \n \n
		\n \n Michael M. Ozimek\n \n
		\n \n 执行副总裁兼\n \n
		\n \n 首席财务官\n \n

-3-

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