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Arrowhead Pharmaceuticals, Inc. SEC filings

In the twelve months since 9 October 2025 Arrowhead Pharmaceuticals, Inc. filed 20 documents with the SEC of the kinds listed here: 10 current reports (8-K), about 4 results of operations; 3 other events; 2 material agreement; 1 officer or director change; 1 shareholder vote; 3 quarterly reports (10-Q), 1 employee share plan registration (S-8), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 shelf registration (S-3ASR). The latest, filed 4 August 2026: 8-K, results of operations.

FiledFormWhat it was aboutPeriod or event dateFiling
4 August 20268-KResults of operations4 August 2026EDGAR
4 August 202610-Qquarterly report30 June 2026EDGAR
16 June 20268-KOfficer or director change12 June 2026EDGAR
7 May 2026S-8employee share plan registrationEDGAR
7 May 202610-Qquarterly report31 March 2026EDGAR
7 May 20268-KResults of operations7 May 2026EDGAR
20 March 20268-KShareholder vote19 March 2026EDGAR
5 February 202610-Qquarterly report31 December 2025EDGAR
5 February 20268-KResults of operations5 February 2026EDGAR
27 January 2026ARSannual report to shareholders26 January 2026EDGAR
27 January 2026DEFA14Aadditional proxy materialEDGAR
27 January 2026DEF 14Aproxy statement26 January 2026EDGAR
12 January 20268-KMaterial agreement, New financial obligation12 January 2026EDGAR
9 January 20268-KMaterial agreement, Other events7 January 2026EDGAR
6 January 20268-KRegulation FD disclosure, Other events6 January 2026EDGAR
11 December 2025S-3ASRshelf registrationEDGAR
25 November 202510-Kannual report30 September 2025EDGAR
25 November 20258-KResults of operations25 November 2025EDGAR
18 November 20258-KOther events18 November 2025EDGAR
10 October 202510-K/Aamended annual report30 September 2024EDGAR
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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