secwatch.observer — SEC 8-K summary ====================================== Issuer: Horizon Kinetics Holding Corp (HKHC) CIK: 0000088000 Form: 8-K Filed at: 2026-05-11T23:59:59+00:00 Accession: 0001193125-26-215560 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 1.01 LLM model: deepseek-v4-flash:cloud@v2 Horizon Kinetics gets board seat at Texas Pacific Land; Peter Doyle appointed director -------------------------------------------------------------------------------- - On May 5, 2026, Horizon Kinetics entered a Board Representative Agreement with Texas Pacific Land Corporation (TPL). - TPL agreed to nominate a Horizon designee for election at its 2026 annual meeting; Peter Doyle selected. - Peter Doyle appointed to TPL Board on May 6, 2026 and to the strategic acquisitions committee. - Agreement includes mutual non-disparagement and standstill provisions through next TPL meeting. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/88000/000119312526215560/0001193125-26-215560-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/88000/000119312526215560/hkhc-20260505.htm HTML page: https://secwatch.observer/filing/0001193125-26-215560 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer