Ann: Change of Director's Interest Notice - Van Der Made, page-54

I’m sorry, but anyone who sees this as an issue should be put on ignore for being dim. Even if he sold 10% its not a sign of a problem.

It’s the equivalent of someone selling their car tyres, and an observer making the conclusion that the car is a lemon.

When should someone sell 1.5% of their share holding? Do they need to ask permission first or should they just never sell?

If anything this should be taken as a hugely positive sign. He is saying, “I believe in this company enough that I’m going to still hold 98.5% of what I own.”