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Donaldson Co. Inc. SEC filings

In the twelve months since 9 October 2025 Donaldson Co. Inc. filed 17 documents with the SEC of the kinds listed here: 9 current reports (8-K), about 4 results of operations; 2 officer or director change; 2 material agreement; 2 regulation fd disclosure; 1 new financial obligation; 3 quarterly reports (10-Q), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K), 1 employee plan annual report (11-K), 1 conflict minerals report (SD). The latest, filed 6 October 2026: DEFA14A, additional proxy material.

FiledFormWhat it was aboutPeriod or event dateFiling
6 October 2026DEFA14Aadditional proxy materialEDGAR
6 October 2026DEF 14Aproxy statement6 October 2026EDGAR
25 September 202610-Kannual report31 July 2026EDGAR
26 August 20268-KResults of operations26 August 2026EDGAR
24 July 20268-KOfficer or director change23 July 2026EDGAR
18 June 202611-Kemployee plan annual report31 December 2025EDGAR
2 June 202610-Qquarterly report30 April 2026EDGAR
2 June 20268-KResults of operations2 June 2026EDGAR
28 May 2026SDconflict minerals reportEDGAR
10 April 20268-KMaterial agreement, New financial obligation8 April 2026EDGAR
26 February 202610-Qquarterly report31 January 2026EDGAR
26 February 20268-KResults of operations26 February 2026EDGAR
2 February 20268-KMaterial agreement, Regulation FD disclosure31 January 2026EDGAR
29 January 20268-KOfficer or director change, Regulation FD disclosure28 January 2026EDGAR
4 December 202510-Qquarterly report31 October 2025EDGAR
4 December 20258-KResults of operations4 December 2025EDGAR
24 November 20258-KShareholder vote21 November 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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