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Northwest Natural Holding Co. SEC filings

Northwest Natural Holding (NWN) filed its 10-Q for the quarter ended 30 June 2026 on 5 August 2026. Its latest SEC filing, on 23 September 2026, was an 8-K: regulation FD disclosure, other events. 21 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 Northwest Natural Holding Co. filed 21 documents with the SEC of the kinds listed here: 13 current reports (8-K), about 5 other events; 4 results of operations; 3 new financial obligation; 2 regulation FD disclosure; 1 material agreement; 3 quarterly reports (10-Q), 1 employee plan annual report (11-K), 1 annual report to shareholders (ARS), 1 proxy statement (DEF 14A), 1 employee share plan registration (S-8), 1 annual report (10-K). The latest, filed 23 September 2026: 8-K, regulation FD disclosure, other events. 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
23 September 20268-KRegulation FD disclosure, Other events22 September 2026EDGAR
3 September 20268-KNew financial obligation3 September 2026EDGAR
5 August 202610-Qquarterly report30 June 2026EDGAR
5 August 20268-KResults of operations5 August 2026EDGAR
31 July 20268-KOther events29 July 2026EDGAR
25 June 202611-Kemployee plan annual report31 December 2025EDGAR
5 June 20268-KMaterial agreement, New financial obligation, Other events4 June 2026EDGAR
1 June 20268-KShareholder vote28 May 2026EDGAR
6 May 202610-Qquarterly report31 March 2026EDGAR
6 May 20268-KResults of operations6 May 2026EDGAR
17 April 2026ARSannual report to shareholders31 December 2025EDGAR
17 April 2026DEF 14Aproxy statement28 May 2026EDGAR
24 March 20268-KOther events23 March 2026EDGAR
27 February 2026S-8employee share plan registrationEDGAR
27 February 202610-Kannual report31 December 2025EDGAR
27 February 20268-KResults of operations27 February 2026EDGAR
16 December 20258-KNew financial obligation16 December 2025EDGAR
15 December 20258-KOfficer or director change, Regulation FD disclosure11 December 2025EDGAR
5 November 202510-Qquarterly report30 September 2025EDGAR
5 November 20258-KResults of operations5 November 2025EDGAR
28 October 20258-KOther events24 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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