Catalyst4, Inc.

10% Owner

1 company

Catalyst4, Inc. is a 10% Owner at MPLT. Recent filings cover 5 purchases and 0 sales. Those positions are worth an estimated $250.5M at current prices.

Catalyst4, Inc.'s largest disclosed position is in MPLT as 10% Owner, worth about $250.5M. Net of sales, the recent Form 4 record there shows accumulation of 6,650,401 shares.

Holdings by Company

MPLTJul 30, 2026

Current Shares20.91M

Value$250.46M

Net Activity+6.65M

Bought: 6.65MSold: 0

Transaction History

Showing 2 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M	SEC
Jul 30, 2026	MPLT Maplight Therapeutics, Inc.	10% Owner	Buy	1,209,225	$12.66	$15,314,793.77	+1.5%	-	-
Oct 28, 2025	MPLT Maplight Therapeutics, Inc.	10% Owner	Buy	5,441,176	$17.00	$92,499,992.00	+38.2%	+7.3%	-

Understand these filings

How to Read SEC Form 4 Filings →Understanding Insider Buying Signals →SEC Form 4 Lookup: How to Find and Search Insider Trading Filings →What is Insider Trading? A Complete Guide →