Catalyst4, Inc. Insider Trading Activity

Institutional Filer10%+ Owner · CIK 1900201

Total trades

$107.8M

Total volume

Jul 30, 2026

Last activity

MapLight Therapeutics, Inc.

Catalyst4, Inc., an institutional filer, recorded 5 transactions over the last 12 months across 1 company totaling $107.8M.

Activity concentrated in MPLT with 5 filings. The largest single transaction was a purchase of MPLT for $92.5M on Oct 28, 2025.

Performance Scorecard

Forward stock performance after each transaction by Catalyst4, Inc.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	+0.7%	—	40%	5
90 days	+5.8%	—	100%	1
120 days	+3.7%	—	100%	1

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

Pro: Trade Markers

MPLT · MapLight Therapeutics, Inc.

🔒 Subscribe to see trade entries

Pro members see exactly when Catalyst4, Inc. bought and sold MPLT.

Upgrade to Pro

Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Jul 30, 2026	MPLT	Buy	1,000,000	$13.00	$13.0M	+5.0%	10%+ Owner
Jul 29, 2026	MPLT	Buy	3,000	$12.63	$38K	+0.0%	10%+ Owner
Jul 28, 2026	MPLT	Buy	141,088	$10.74	$1.5M	+0.7%	10%+ Owner
Jul 28, 2026	MPLT	Buy	65,137	$11.69	$761K	+0.3%	10%+ Owner
Oct 28, 2025	MPLT	Buy	5,441,176	$17.00	$92.5M	+38.2%	10%+ Owner