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Mercury Systems Inc. SEC filings

Mercury Systems (MRCY) filed its 10-K for the year ended 3 July 2026 on 18 August 2026. Its latest SEC filing, on 18 September 2026, was an 8-K: other events. 15 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 Mercury Systems Inc. filed 15 documents with the SEC of the kinds listed here: 7 current reports (8-K), about 4 results of operations; 3 other events; 2 material agreement; 1 regulation FD disclosure; 1 new financial obligation; 3 quarterly reports (10-Q), 1 annual report to shareholders (ARS), 1 proxy statement (DEF 14A), 1 annual report (10-K), 1 conflict minerals report (SD), 1 employee share plan registration (S-8). The latest, filed 18 September 2026: 8-K, 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
18 September 20268-KOther events18 September 2026EDGAR
17 September 2026ARSannual report to shareholders3 July 2026EDGAR
17 September 2026DEF 14Aproxy statement3 July 2026EDGAR
16 September 20268-KMaterial agreement, Regulation FD disclosure16 September 2026EDGAR
18 August 202610-Kannual report3 July 2026EDGAR
18 August 20268-KResults of operations18 August 2026EDGAR
1 June 2026SDconflict minerals reportEDGAR
5 May 202610-Qquarterly report27 March 2026EDGAR
5 May 20268-KResults of operations5 May 2026EDGAR
3 February 202610-Qquarterly report26 December 2025EDGAR
3 February 20268-KResults of operations3 February 2026EDGAR
5 November 2025S-8employee share plan registrationEDGAR
4 November 202510-Qquarterly report26 September 2025EDGAR
4 November 20258-KMaterial agreement, Results of operations, New financial obligation, Other events4 November 2025EDGAR
28 October 20258-KOfficer or director change, Shareholder vote, Other events22 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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