Reverse Triangular Merger

What Does Reverse Triangular Merger Mean?
When the subsidiary of the acquiring corporation merges with the target firm. In this case, the subsidiary's equity merges with the target firm's stock. As a result of the merger, the target would become a wholly-owned subsidiary of the acquirer and shareholders of the target would get shares of the acquirer.

Investopedia explains Reverse Triangular Merger
This form of acquisition is often used for regulatory reasons.