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Alkermes plc. SEC filings

Alkermes plc. (ALKS) filed its 10-Q for the quarter ended 30 June 2026 on 28 July 2026. Its latest SEC filing, on 21 September 2026, was an 8-K: regulation FD disclosure, other events. 30 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 Alkermes plc. filed 30 documents with the SEC of the kinds listed here: 20 current reports (8-K), about 11 regulation FD disclosure; 6 results of operations; 5 other events; 4 officer or director change; 4 material agreement; 3 quarterly reports (10-Q), 2 additional proxy materials (DEFA14A), 1 employee share plan registration (S-8), 1 annual report to shareholders (ARS), 1 proxy statement (DEF 14A), 1 preliminary proxy (PRE 14A). The latest, filed 21 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
21 September 20268-KRegulation FD disclosure, Other events21 September 2026EDGAR
16 September 20268-KOfficer or director change, Regulation FD disclosure14 September 2026EDGAR
12 August 20268-KMaterial agreement12 August 2026EDGAR
3 August 20268-K/AOfficer or director change24 February 2026EDGAR
28 July 2026S-8employee share plan registrationEDGAR
28 July 202610-Qquarterly report30 June 2026EDGAR
28 July 20268-KResults of operations28 July 2026EDGAR
8 July 20268-KTermination of a material agreement6 July 2026EDGAR
15 June 20268-KRegulation FD disclosure, Other events15 June 2026EDGAR
20 May 20268-KOfficer or director change, Shareholder vote20 May 2026EDGAR
13 May 2026DEFA14Aadditional proxy materialEDGAR
12 May 20268-KRegulation FD disclosure, Other events12 May 2026EDGAR
5 May 202610-Qquarterly report31 March 2026EDGAR
5 May 20268-KResults of operations5 May 2026EDGAR
1 May 20268-K/Aamended current report12 February 2026EDGAR
6 April 2026ARSannual report to shareholders31 December 2025EDGAR
6 April 2026DEFA14Aadditional proxy materialEDGAR
6 April 2026DEF 14Aproxy statement20 May 2026EDGAR
27 March 2026PRE 14Apreliminary proxy20 May 2026EDGAR
25 February 20268-KOfficer or director change, Regulation FD disclosure24 February 2026EDGAR
25 February 202610-Kannual report31 December 2025EDGAR
25 February 20268-KResults of operations25 February 2026EDGAR
12 February 20268-KMaterial agreement, Termination of a material agreement, Acquisition or disposition completed, New financial obligation, Regulation FD disclosure12 February 2026EDGAR
12 January 20268-KResults of operations, Regulation FD disclosure12 January 2026EDGAR
6 January 20268-KRegulation FD disclosure, Other events6 January 2026EDGAR
19 November 20258-KMaterial agreement, New financial obligation, Regulation FD disclosure18 November 2025EDGAR
12 November 20258-KRegulation FD disclosure, Other events12 November 2025EDGAR
28 October 202510-Qquarterly report30 September 2025EDGAR
28 October 20258-KResults of operations28 October 2025EDGAR
22 October 20258-KMaterial agreement, Results of operations, New financial obligation, Regulation FD disclosure22 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

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