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NBT Bancorp Inc. SEC filings

NBT Bancorp (NBTB) filed its 10-Q for the quarter ended 30 June 2026 on 7 August 2026. Its latest SEC filing, on 21 September 2026, was an 8-K: officer or director change. 19 filings in the last twelve months, each 8-K by what it was about; the 10-K and proxy statement are on the documents page.

In the twelve months since 11 October 2025 NBT Bancorp Inc. filed 19 documents with the SEC of the kinds listed here: 11 current reports (8-K), about 6 regulation FD disclosure; 4 results of operations; 2 officer or director change; 1 shareholder vote; 3 quarterly reports (10-Q), 1 employee plan annual report (11-K), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 21 September 2026: 8-K, officer or director change. The 10-K, the 10-Qs and the proxy statement themselves, each with a link to open it, are on the documents page.

FiledFormWhat it was aboutPeriod or event dateFiling
21 September 20268-KOfficer or director change21 September 2026EDGAR
8 September 20268-KRegulation FD disclosure8 September 2026EDGAR
7 August 202610-Qquarterly report30 June 2026EDGAR
27 July 20268-KResults of operations27 July 2026EDGAR
24 June 202611-Kemployee plan annual report31 December 2025EDGAR
19 May 20268-KShareholder vote, Regulation FD disclosure19 May 2026EDGAR
18 May 20268-KRegulation FD disclosure18 May 2026EDGAR
8 May 202610-Qquarterly report31 March 2026EDGAR
4 May 20268-KRegulation FD disclosure4 May 2026EDGAR
23 April 20268-KResults of operations23 April 2026EDGAR
6 April 2026ARSannual report to shareholders31 December 2025EDGAR
6 April 2026DEFA14Aadditional proxy materialEDGAR
6 April 2026DEF 14Aproxy statement19 May 2026EDGAR
27 February 202610-Kannual report31 December 2025EDGAR
10 February 20268-KRegulation FD disclosure10 February 2026EDGAR
26 January 20268-KResults of operations, Officer or director change26 January 2026EDGAR
7 November 202510-Qquarterly report30 September 2025EDGAR
4 November 20258-KRegulation FD disclosure4 November 2025EDGAR
27 October 20258-KResults of operations27 October 2025EDGAR
An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened.
Read moreForm 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

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