Yellow.ai has agreed to take its enterprise AI agent business public through a merger with Bluerock Acquisition Corp., a Nasdaq-listed blank-check company, in a transaction the two sides put at roughly $550 million of pro forma equity value. The definitive business combination agreement, announced on August 3, 2026, would list the combined company on the Nasdaq Capital Market under the ticker “YAI.” The agreement values Yellow.ai at a pre-money valuation of about $300 million and is expected to…