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Minerals Technologies Inc. SEC filings

Minerals Technologies (MTX) filed its 10-Q for the quarter ended 5 July 2026 on 31 July 2026. Its latest SEC filing, on 2 October 2026, was an 8-K: other events. 23 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 Minerals Technologies Inc. filed 23 documents with the SEC of the kinds listed here: 13 current reports (8-K), about 7 other events; 3 results of operations; 2 officer or director change; 1 shareholder vote; 3 quarterly reports (10-Q), 2 conflict minerals reports (SD), 1 employee plan annual report (11-K), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A). The latest, filed 2 October 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
2 October 20268-KOther events1 October 2026EDGAR
1 October 20268-KOther events1 October 2026EDGAR
28 September 2026SDconflict minerals reportEDGAR
31 July 202610-Qquarterly report5 July 2026EDGAR
30 July 20268-KResults of operations30 July 2026EDGAR
22 July 20268-KOther events22 July 2026EDGAR
29 June 20268-KOther events29 June 2026EDGAR
17 June 202611-Kemployee plan annual report31 December 2025EDGAR
1 June 2026SDconflict minerals reportEDGAR
20 May 20268-KShareholder vote, Other events19 May 2026EDGAR
1 May 202610-Qquarterly report5 April 2026EDGAR
30 April 20268-KResults of operations30 April 2026EDGAR
9 April 20268-KOfficer or director change5 April 2026EDGAR
2 April 2026ARSannual report to shareholders31 December 2025EDGAR
2 April 2026DEFA14Aadditional proxy materialEDGAR
2 April 2026DEF 14Aproxy statement20 May 2026EDGAR
24 March 20268-KOfficer or director change18 March 2026EDGAR
20 February 202610-Kannual report31 December 2025EDGAR
29 January 20268-Kcurrent report29 January 2026EDGAR
21 January 20268-KOther events21 January 2026EDGAR
24 October 202510-Qquarterly report28 September 2025EDGAR
23 October 20258-KResults of operations23 October 2025EDGAR
16 October 20258-KOther events15 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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