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Quest Diagnostics Inc. SEC filings

In the twelve months since 23 September 2025 Quest Diagnostics Inc. filed 16 documents with the SEC of the kinds listed here: 9 current reports (8-K), about 5 results of operations; 2 other events; 2 regulation fd disclosure; 1 shareholder vote; 1 material agreement; 3 quarterly reports (10-Q), 1 employee plan annual report (11-K), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 23 July 2026: 10-Q, quarterly report.

FiledFormWhat it was aboutPeriod or event dateFiling
23 July 202610-Qquarterly report30 June 2026EDGAR
23 July 20268-KResults of operations23 July 2026EDGAR
18 June 202611-Kemployee plan annual report31 December 2025EDGAR
21 May 20268-KShareholder vote20 May 2026EDGAR
8 May 20268-KMaterial agreement6 May 2026EDGAR
1 May 20268-KOther events27 April 2026EDGAR
22 April 202610-Qquarterly report31 March 2026EDGAR
21 April 20268-KResults of operations21 April 2026EDGAR
6 April 2026DEFA14Aadditional proxy materialEDGAR
6 April 2026DEF 14Aproxy statement20 May 2026EDGAR
12 March 20268-KOfficer or director change, Regulation FD disclosure9 March 2026EDGAR
26 February 202610-Kannual report31 December 2025EDGAR
10 February 20268-KResults of operations, Other events10 February 2026EDGAR
12 January 20268-KResults of operations, Regulation FD disclosure12 January 2026EDGAR
21 October 20258-KResults of operations21 October 2025EDGAR
21 October 202510-Qquarterly report30 September 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. Form 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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