That is simply not true.
Working with a company doing product evaluation is not a material event.
8Ks are filed for material events.
If that testing results in a sale of 100,000 gal. of Petrozene to a company, that would be a material event. If the sale is a few thousand gal., probably not.
"Wise men talk because they have something to say, fools because they have to say something."
PLATO