CTO salary hike - i will not promote

Guys, I need some help with a situation. We are 3 co-founders with CTO split as 8% vested over 6 years while others two have 45-45 each. It started almost 5 years back, where others got good money from previous exit and they are the ones funding it. Product- We pivoted few times and now have stable product ready. Started gaining traction. Would be decent to call it pre-revenue. We have a team with $1.5mn a year in salaries. Company still has millions in funds to invest for years. Considering...