secwatch.observer — SEC 8-K summary ====================================== Issuer: Castellum, Inc. (CTM) CIK: 0001877939 Form: 8-K Filed at: 2026-10-13T20:14:11+00:00 Accession: 0001877939-26-000089 Event type: other Sentiment: neutral Materiality: 0.05 Item codes: 8.01, 9.01 LLM model: deepseek-v4.1-flash:cloud@v2 Castellum to attend 2026 Maxim Group Growth Summit Oct 14; management to hold investor meetings -------------------------------------------------------------------------------- - Castellum, Inc. (NYSE American: CTM) announced participation in the 2026 Maxim Group Growth Summit on Wednesday, October 14, 2026. - Management will meet institutional investors in one-on-one sessions throughout the event; no presentation or webcast was disclosed. - No financial terms, guidance, or business updates were included in the Oct 12, 2026 announcement. - Event details available at www.maximgrp.com/2026-growth-summit. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793926000089/0001877939-26-000089-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1877939/000187793926000089/ctm-20261012.htm HTML page: https://secwatch.observer/filing/0001877939-26-000089 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer