SIDU ▲ +4.1% - Sidus Space, Inc. $SIDU - Sidus Space Signs Memorandum of Understanding with 3GM Plus to Support Development of Slovenian Small Satellite Capability Sidus Space signed a memorandum of understanding with 3GM Plus to support development of a Slovenian small satellite capability, driving the stock up 4.1% today. The agreement expands the company's international partnerships and potential customer base in the emerging small satellite market. 17-SEP-2026 08:33 AM ET