What do you call the grey area between a Series A and a Series B? In 2020, when the money is taken on opportunistically, you call it a Series A-1 extension, according to Teampay. Even if the new capital was raised at a new, higher valuation. At least that’s what Teampay CEO Andrew Hoag has done with his company’s new $5 million investment, adding it onto its September, 2019-era Series A.