Honeywell announced its majority-owned quantum computing unit, Quantinuum, plans to confidentially file for an initial public offering. The IPO news was accompanied by a 1.6% rise in Honeywell's shares during premarket trading. The company was also named as a key player in a growing global body armor plates market. However, the positive developments were tempered by reports that multiple company insiders recently sold a significant amount of shares, suggesting some internal hesitancy.