The 4th Consortium Meeting of the TransZeroWaste project took place in Lisbon, focusing on the latest progress and developments. The meeting included presentations on various work packages such as Fe-mass flows, cold pelletising/briquetting, hot pelletisation, and hydrometallurgical treatment. Discussions also covered the status of LCA/LCC and dissemination efforts. The session concluded with a wrap-up, summarizing key points and planning the next steps, followed by a networking dinner. On the second day, the focus was on project coordination and preparation for the upcoming M18 report, ensuring all consortium members are aligned and ready for future challenges.