Browse the full management transaction log of Coretec Group INC., a listed issuer based in United States. Shares trade on US US, under the authority of SEC (Form 4). Operating in the Technology sector, Coretec Group INC. has logged 30 insider filings. Market capitalisation: €1.1m. The latest transaction was filed on 14 February 2022 — Cession. Among the most active insiders: CALTON SIMON. Every trade is free.
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The Coretec Group, Inc. (ticker: CRTG) is a U.S.-based materials and technology company best known for its work on advanced silicon chemistries and next-generation battery materials. For investors in France, Belgium, and Switzerland, the key point is that the company is not currently presented as a NYSE or NASDAQ-listed issuer; its SEC filings and investor materials show it as a U.S. company whose shares trade on the OTC market, which is typical for a very small-cap, high-volatility story. Coretec is headquartered in Ann Arbor, Michigan, United States, and moved its headquarters there from Tulsa in September 2020, aligning the business more closely with the Michigan innovation ecosystem and a broader base of materials-science talent. ([thecoretecgroup.com](https://thecoretecgroup.com/about/?utm_source=openai)) At the operational level, Coretec’s business model is centered on silicon engineering. Its flagship chemical platform is cyclohexasilane (CHS), a liquid silicon precursor that the company positions as a versatile input for silicon deposition and advanced materials applications. Coretec also highlights Endurion, its battery development program, which is focused on silicon anodes for lithium-ion batteries. The investment thesis is straightforward: silicon-based anodes are intended to improve energy density, charging performance, and cycle life versus conventional graphite-heavy designs. In addition to battery materials, the company has historically communicated a broader technology portfolio that includes volumetric 3D display concepts under CSpace, showing that its intellectual-property base extends beyond one single use case. ([thecoretecgroup.com](https://thecoretecgroup.com/about/?utm_source=openai)) From a competitive standpoint, Coretec sits in a highly technical niche where the market opportunity is meaningful but execution risk is substantial. It is not a mass-market producer; rather, it is attempting to monetize differentiated chemistry through partnerships, prototyping, and eventual scale-up. The company has repeatedly referenced collaboration with Evonik around CHS scale-up and with the University of Adelaide on CSpace-related development work, which suggests a strategy built on external validation and applied R&D rather than broad commercial rollout. For analysts, this is an important distinction: technical credibility is visible, but revenue conversion and manufacturing scale remain the critical questions. ([thecoretecgroup.com](https://thecoretecgroup.com/?p=3093&utm_source=openai)) Recent governance developments are also relevant. On April 14, 2026, Coretec filed an SEC Form 8-K disclosing the resignations of three board members, including the vice chairman, chairman, and another director, all stated to be unrelated to any disagreement with the company’s operations, policies, or practices. For a company of this size, board turnover is material and should be viewed alongside insider transaction activity and capital structure developments. Overall, CRTG remains a speculative, technology-driven microcap whose equity story depends on the successful industrialization of silicon materials, continued financing access, and credible progress toward commercialization. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1375195/000149315226016591/form8-k.htm?utm_source=openai))