---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-022417"
form_type: "8-K"
ticker: "HKHC"
cik: "0000088000"
company_name: "Horizon Kinetics Holding Corp"
filed_at: "2025-02-18T23:59:59+00:00"
generated_at: "2026-05-26T18:26:54.324658+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Horizon Kinetics sets 2025 annual meeting for June 17; proposal deadlines announced

## Summary
- Annual meeting of stockholders to be held on Tuesday, June 17, 2025.
- Advance notice deadline for stockholder proposals or nominations is March 19, 2025.
- Deadline for Rule 14a-8 stockholder proposals is April 14, 2025.

## SEC filing metadata
- accession: 0000950170-25-022417
- form_type: 8-K
- ticker: HKHC
- cik: 0000088000
- company_name: Horizon Kinetics Holding Corp
- filed_at: 2025-02-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/88000/000095017025022417/0000950170-25-022417-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/88000/000095017025022417/slgdd-20250218.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-022417
- JSON: https://secwatch.observer/filing/0000950170-25-022417.json
- Plain text: https://secwatch.observer/filing/0000950170-25-022417.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.