MPLT MapLight Therapeutics, Inc.

NASDAQ
$6.93

MapLight Therapeutics, Inc. (MPLT) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 0 buyers in the last 30 days 1 buyer in the last 90 days 6 sellers in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
6
7 transactions
Purchases
$50.1M
4,400,000 shares
Sales
$1.3M
148,503 shares
Net activity
$48.8M
purchases less sales

How much of that selling was preplanned? 15% planned / 85% discretionary

10b5-1 plan sales $192.7K 1 transaction · 16,509 shares
Discretionary sales $1.1M 6 transactions · 131,994 shares

Largest single sale: $595.4K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: August 14, 2026 , by Catalyst4, Inc. .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Kroeger Christopher A. Chief Executive Officer Sell 73,691 $8.08 $595.4K 1,195,909 −5.8% of holding
Foff Erin Pennock Chief Medical Officer Sell 15,355 $8.08 $124.1K 296,906 −4.9% of holding
Kreitzer Anatol Chief Discovery Officer Sell 12,248 $7.84 $96.0K 168,678 −6.8% of holding
Lillie James Woodruff Chief Scientific Officer Sell 11,513 $8.08 $93.0K 198,597 −5.5% of holding
GILLIS JONATHAN CAO and Interim CFO Sell 10,167 $8.08 $82.1K 142,315 −6.7% of holding
Hanson Kristopher General Counsel Sell 9,020 $8.08 $72.9K 128,024 −6.6% of holding
Hanson Kristopher General Counsel Sell 10b5-1 16,509 $11.67 $192.7K 137,044 −10.8% of holding
Catalyst4, Inc. 10% Owner Buy 4,400,000 $11.38 $50.1M 25,306,689

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.