Foff Erin Pennock Insider Trading Activity

Corporate InsiderChief Medical Officer · CIK 2021233

Total trades

$1.6M

Total volume

May 7, 2026

Last activity

MPLT

MapLight Therapeutics, Inc.

Foff Erin Pennock has been net-selling over the last 12 months with 0 purchases and 13 sales across 1 company.

MPLT is the most-traded position with 13 trades. The largest single transaction was a sale of MPLT for $463K on May 6, 2026.

Performance Scorecard

Forward stock performance after each transaction by Foff Erin Pennock. 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	—	-1.0%	38%	13
90 days	—	+34.0%	77%	13
120 days	—	+54.4%	100%	13

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

Price & Trades

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MPLT · MapLight Therapeutics, Inc.

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
May 7, 2026	MPLT	Sell	4,321	$28.52	$123K	−1.2%	Chief Medical Officer
May 7, 2026	MPLT	Sell	117	$29.10	$3K	−0.0%	Chief Medical Officer
May 6, 2026	MPLT	Sell	15,900	$29.13	$463K	−4.3%	Chief Medical Officer
May 6, 2026	MPLT	Sell	8,152	$28.04	$229K	−2.2%	Chief Medical Officer
May 5, 2026	MPLT	Sell	9,645	$28.12	$271K	−2.5%	Chief Medical Officer
May 5, 2026	MPLT	Sell	931	$29.00	$27K	−0.2%	Chief Medical Officer
May 4, 2026	MPLT	Sell	9,180	$27.50	$252K	−2.3%	Chief Medical Officer
May 4, 2026	MPLT	Sell	5,460	$28.37	$155K	−1.4%	Chief Medical Officer
May 4, 2026	MPLT	Sell	312	$29.56	$9K	−0.1%	Chief Medical Officer
May 4, 2026	MPLT	Sell	700	$30.08	$21K	−0.2%	Chief Medical Officer
Apr 16, 2026	MPLT	Sell	881	$27.49	$24K	−0.2%	Chief Medical Officer
Apr 16, 2026	MPLT	Sell	288	$27.01	$8K	−0.1%	Chief Medical Officer
Apr 15, 2026	MPLT	Sell	2,044	$26.84	$55K	−0.5%	Chief Medical Officer