NC NACCO INDUSTRIES INC
company
SEC Filings & Insider Trading Activity 2026

CIK: 789933
Energy
Bituminous Coal & Lignite Surface Mining 37 filings
Russell 2000

Latest NACCO INDUSTRIES INC (NC) SEC EDGAR filings in 2026, including the most recent 10-K annual report filed on March 4, 2026, a 10-Q quarterly report filed on May 5, 2026, an 8-K current report filed on August 5, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for NACCO INDUSTRIES INC (NC) (SEC CIK 789933), with AI-powered section-by-section summaries updated daily.

10-Q: 20
10-K: 7
8-K: 6
SC 13G: 2
SC 13D: 2

Latest 2026 SEC Filing Dates

10-K Annual Report
Mar 4, 2026
10-Q Quarterly Report
May 5, 2026
8-K Current Report
Aug 5, 2026

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Ask AI about NC filings. Chat with the 10-K, 10-Q, and 8-K for instant answers on financials, risks, and guidance.

Track institutional money. See which funds are building or cutting NC positions, quarter over quarter.

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Recent 8-K Filings
Current Reports

AI-powered analysis of NACCO INDUSTRIES INC (NC) 8-K current reports disclosing material events.

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Aug 5, 2026---
8-K
May 18, 2026--
8-K
May 5, 2026---
10-Q
May 5, 2026Mar 31, 2026-
8-K
Mar 19, 2026-Analysis-
8-K
Mar 4, 2026-Analysis-
10-K
Mar 4, 2026Dec 31, 2025-
8-K
Dec 16, 2025--
10-Q
Nov 5, 2025Sep 30, 2025-
10-Q
Aug 6, 2025Jun 30, 2025-
10-Q
Apr 30, 2025Mar 31, 2025-
10-K
Mar 5, 2025Dec 31, 2024-
SC 13D
Dec 17, 2024--
10-Q
Oct 30, 2024Sep 30, 2024-
10-Q
Jul 31, 2024Jun 30, 2024-
10-Q
May 1, 2024Mar 31, 2024-
10-K
Mar 6, 2024Dec 31, 2023-
SC 13G
Jan 31, 2024--
10-Q
Nov 1, 2023Sep 30, 2023-
10-Q
Aug 2, 2023Jun 30, 2023-
10-Q
May 3, 2023Mar 31, 2023-
10-K
Mar 15, 2023Dec 31, 2022-
10-Q
Nov 2, 2022Sep 30, 2022-
10-Q
Aug 3, 2022Jun 30, 2022-
10-Q
May 4, 2022Mar 31, 2022-

13F Fund Holdings: Quarterly Trend

Latest: Q1 2026

Aggregate NC share value held by 13F filers tracked by SignalX, by quarter.

Position changes: Q4 2025Q1 2026
Top Buyers
Top Sellers
New Positions
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 125 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe.

Frequently Asked Questions

What are the latest NC SEC filings in 2026?

NACCO INDUSTRIES INC (NC) has filed a 10-K annual report on March 4, 2026, a 10-Q quarterly report on May 5, 2026, an 8-K current report on August 5, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did NC file its most recent 10-K annual report?

NACCO INDUSTRIES INC (NC) filed its most recent 10-K annual report on March 4, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view NC 10-Q quarterly reports?

NACCO INDUSTRIES INC (NC)'s most recent 10-Q quarterly report was filed on May 5, 2026. SignalX displays every NC 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has NC filed recently?

NACCO INDUSTRIES INC (NC)'s most recent 8-K was filed on August 5, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find NC insider trading activity (Form 4)?

SignalX aggregates every NC Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does NC file with the SEC?

NACCO INDUSTRIES INC (NC) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new NC filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for NACCO INDUSTRIES INC (NC).

What is NC's SEC CIK number?

NACCO INDUSTRIES INC (NC)'s SEC CIK (Central Index Key) number is 789933. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 789933 to look up all NC filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

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Insider trading data, fund holdings, cross-signal detection, and AI-powered analysis for 37+ filings.