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Nasdaq · CIK 0001770069

MPLT MapLight Therapeutics, Inc.

Insider trading from SEC Form 4. Last filing 25 d ago. Close $8.83 on Oct 9, 2026, 0% from the 52-week low and -78% from the high.

MapLight Therapeutics, Inc. (MPLT) has 45 SEC Form 4 filings on file from 10 insiders, the latest filed on Sep 18, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 1 open-market sell worth $193k, net -$193k.

18 open-market trades have been scored at MPLT. The newest: Kristopher Hanson (General Counsel) sold $193k of stock on Sep 16, 2026, filed Sep 18, 2026, scored 12 (weak), under a 10b5-1 plan. The largest of the 18 shown: Catalyst4, Inc. (10% owner) bought $92M on Oct 28, 2025, scored 56 (moderate). 3 insiders sold within 14 days of each other around May 7, 2026.

MPLT closed at $8.83 on Oct 9, 2026, 0% above its 52-week low and 78% below its 52-week high.

Last 90 days

Net insider value
-$193k
more sold than bought
Buys
0
$0 by 0 insiders
Sells
1
$193k by 1 insider
Insiders on file
10
with a Form 4 at this company

Price and insider trades, last year

MPLTOct 9, 2026 · close 8.83

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at MapLight Therapeutics, Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
12WeakKristopher Hanson
General Counsel
sell
$193k
16,509 shares
-11%-
21WeakErin Pennock Foff
Chief Medical Officer
sell
$127k
4,438 shares
-1%+128% from low-9% from high
26WeakKristopher Hanson
General Counsel
sell
$419k
13,917 shares
-8%+135% from low-6% from high
40ModerateErin Pennock Foff
Chief Medical Officer
sell
$1.4M
50,280 shares
-13%+123% from low-11% from high
26WeakKristopher Hanson
General Counsel
sell
$388k
13,917 shares
-7%+123% from low-11% from high
45ModerateJonathan Gillis
CAAO and PAO
sell
$2.1M
69,835 shares
-28%+139% from low-5% from high
39WeakErin Pennock Foff
Chief Medical Officer
sell
$87k
3,213 shares
-1%+110% from low-9% from high
40ModerateJonathan Gillis
CAAO and PAO
sell
$96k
3,590 shares
-1%+110% from low-9% from high
37WeakKristopher Hanson
General Counsel
sell
$49k
1,827 shares
-1%+110% from low-9% from high
28WeakRobert C. Malenka
director
sell
$260k
14,195 shares
-4%+40% from low-15% from high
52ModerateGeorge Pavlov
director
buy
$441k
25,000 shares
-+35% from low-18% from high
27WeakRobert C. Malenka
director
sell
$221k
12,116 shares
-3%+34% from low-18% from high
48ModerateTimothy John Garnett
director
buy
$253k
14,124 shares
-+40% from low-15% from high
25WeakRobert C. Malenka
director
sell
$124k
6,863 shares
-2%+40% from low-15% from high
26WeakRobert C. Malenka
director
sell
$127k
7,040 shares
-2%+40% from low-15% from high
35WeakRobert C. Malenka
director
sell
$636k
34,398 shares
-9%+47% from low-11% from high
56ModerateNovo Holdings A/S
owner
buy
$16M
952,941 shares
+35%0% from low-9% from high
56ModerateCatalyst4, Inc.
owner
buy
$92M
5,441,176 shares
+38%0% from low-9% from high

Transactions

The newest 50 of 111 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Sep 16, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-16,509$11.67$193k137,04425 d ago
Jun 23, 2026Timothy John Garnett
director
AGrant or award
Voting Common Stock
+3,932$0.00$053,457Jun 25, 2026
Jun 23, 2026Martin Babler
director
AGrant or award
Voting Common Stock
+7,864$0.00$07,864Jun 25, 2026
Jun 23, 2026Troy Cox
director
AGrant or award
Voting Common Stock
+7,864$0.00$07,864Jun 25, 2026
Jun 23, 2026Troy Cox
director
AGrant or award
Stock Option (right to buy)derivative
+29,804$0.00$029,804Jun 25, 2026
Jun 23, 2026Martin Babler
director
AGrant or award
Stock Option (right to buy)derivative
+29,804$0.00$029,804Jun 25, 2026
Jun 23, 2026Timothy John Garnett
director
AGrant or award
Stock Option (right to buy)derivative
+14,902$0.00$014,902Jun 25, 2026
May 11, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-284$27.61$7,841175,964May 11, 2026
May 7, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-4,321$28.52$123k346,176May 11, 2026
May 11, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-846$28.70$24k175,118May 11, 2026
May 7, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-117$29.10$3,405346,059May 11, 2026
May 11, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-6,979$30.04$210k168,139May 11, 2026
May 11, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-5,808$30.56$177k162,331May 11, 2026
May 4, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-9,180$27.50$252k391,597May 6, 2026
May 4, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-9,030$27.50$248k181,135May 6, 2026
May 4, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-5,460$28.37$155k386,137May 6, 2026
May 4, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-3,908$28.29$111k177,227May 6, 2026
May 4, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-312$29.56$9,223385,825May 6, 2026
May 4, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-296$29.56$8,750176,931May 6, 2026
May 4, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-700$30.08$21k385,125May 6, 2026
May 4, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock10b5-1
-683$30.08$21k176,248May 6, 2026
May 5, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-9,645$28.12$271k375,480May 6, 2026
May 5, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-931$29.00$27k374,549May 6, 2026
May 6, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-8,152$28.04$229k366,397May 6, 2026
May 6, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock10b5-1
-15,900$29.13$463k350,497May 6, 2026
Apr 27, 2026Jonathan Gillis
CAAO and PAO
SOpen-market sale
Voting Common Stock10b5-1
-7,914$28.94$229k243,140Apr 29, 2026
Apr 27, 2026Jonathan Gillis
CAAO and PAO
SOpen-market sale
Voting Common Stock10b5-1
-29,623$29.60$877k213,517Apr 29, 2026
Apr 27, 2026Jonathan Gillis
CAAO and PAO
SOpen-market sale
Voting Common Stock10b5-1
-14,363$30.46$437k199,154Apr 29, 2026
Apr 28, 2026Jonathan Gillis
CAAO and PAO
SOpen-market sale
Voting Common Stock10b5-1
-17,235$30.33$523k181,919Apr 29, 2026
Apr 28, 2026Jonathan Gillis
CAAO and PAO
SOpen-market sale
Voting Common Stock10b5-1
-700$30.83$22k181,219Apr 29, 2026
Apr 15, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock
-2,044$26.84$55k401,946Apr 17, 2026
Apr 15, 2026Jonathan Gillis
CAAO and PAO
SOpen-market sale
Voting Common Stock
-3,590$26.61$96k251,054Apr 17, 2026
Apr 15, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock
-1,529$26.80$41k190,463Apr 17, 2026
Apr 16, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock
-73$27.01$1,972190,390Apr 17, 2026
Apr 16, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock
-288$27.01$7,779401,658Apr 17, 2026
Apr 16, 2026Erin Pennock Foff
Chief Medical Officer
SOpen-market sale
Voting Common Stock
-881$27.49$24k400,777Apr 17, 2026
Apr 16, 2026Kristopher Hanson
General Counsel
SOpen-market sale
Voting Common Stock
-225$27.49$6,185190,165Apr 17, 2026
Feb 20, 2026Robert C. Malenka
director
SOpen-market sale
Voting Common Stock
-2,195$18.03$40k337,059Feb 24, 2026
Feb 23, 2026Robert C. Malenka
director
SOpen-market sale
Voting Common Stock
-10,788$18.39$198k326,271Feb 24, 2026
Feb 23, 2026Robert C. Malenka
director
SOpen-market sale
Voting Common Stock
-476$19.06$9,073325,795Feb 24, 2026
Feb 24, 2026Robert C. Malenka
director
SOpen-market sale
Voting Common Stock
-736$18.15$13k325,059Feb 24, 2026
Feb 18, 2026George Pavlov
director
POpen-market purchase
Voting Common Stock
+10,658$17.48$186k10,658Feb 20, 2026
Feb 19, 2026George Pavlov
director
POpen-market purchase
Voting Common Stock
+4,422$17.57$78k15,080Feb 20, 2026
Feb 20, 2026George Pavlov
director
POpen-market purchase
Voting Common Stock
+9,920$17.86$177k25,000Feb 20, 2026
Feb 13, 2026Robert C. Malenka
director
SOpen-market sale
Voting Common Stock
-12,116$18.21$221k339,254Feb 18, 2026
Feb 10, 2026Timothy John Garnett
director
POpen-market purchase
Voting Common Stockindirect: See footnote
+14,124$17.89$253k14,124Feb 12, 2026
Feb 10, 2026Robert C. Malenka
director
SOpen-market sale
Voting Common Stock
-6,622$18.12$120k351,611Feb 12, 2026
Feb 11, 2026Robert C. Malenka
director
SOpen-market sale
Voting Common Stock
-241$18.00$4,338351,370Feb 12, 2026
Feb 5, 2026Jonathan Gillis
CAAO and PAO
AGrant or award
Voting Common Stock
+6,020$0.00$0254,523Feb 9, 2026
Feb 5, 2026Erin Pennock Foff
Chief Medical Officer
AGrant or award
Voting Common Stock
+13,360$0.00$0403,835Feb 9, 2026
50 of 111 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about MPLT

Answered from the filings on this page, as of the latest one.

Are insiders buying MPLT?

As of Sep 18, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 1 open-market sell worth $193k by 1 insider at MapLight Therapeutics, Inc. in the last 90 days, net -$193k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade MPLT on the open market?

Kristopher Hanson (General Counsel) sold $193k of MPLT on Sep 16, 2026 and filed the Form 4 on Sep 18, 2026. InsiderTell scored 12 (weak), under a 10b5-1 plan.

How many insiders file Form 4 at MapLight Therapeutics, Inc.?

10 people have filed a Form 4 at MapLight Therapeutics, Inc., among them Martin Babler (director, CEO, president and chair), Catalyst4, Inc. (10% owner), Troy Cox (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.