I worked for an ed-tech startup as employee number 4, joined when it was obscure; not even in the …

I worked for an ed-tech startup as employee number 4, joined when it was obscure; not even in the Alexa top 4 million rankings and almost no revenue. The founder was really good though and gave everyone shares instead of options. I got a bit under 0.2% equity in the company. The company grew (slowly and steadily) to $6.5 million USD revenue with about 10% net profit margins but its last valuation (over 10 years later) was like $8 million USD. They charge like $15 USD PER YEAR PER student for their product so very cheap; I feel like they could easily increase the prices given how widely used they are in my country (over 30% of students in my country use the app). I had the option to sell some equity recently but it would have only been like $16K USD so I held... I had about $9K taken out of my salary to pay for those so it doesn't make sense to sell given the massive growth the app and not that much dilution... The financial gain barely covers the inflation. It feels like both revenue and profits have been kept artificially low. …