Trade Summary

1 week ago, Catalyst4, Inc., serving as 10% owner Owner at MapLight Therapeutics, Inc. (MLPT), purchased 4,400,000 shares at $11.38 per share, for a total transaction value of $50,072,000.00. Following this transaction, Catalyst4, Inc. now holds 25,306,689 shares of MLPT.

This purchase represents a 21.05% increase in Catalyst4, Inc.'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, August 14, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, August 18, 2026 at 6:55 PM ET, 4 days after the trade was made.