NASDAQ: MPLT
Maplight Therapeutics Inc Stock Ownership - Who owns Maplight Therapeutics?

Insider buying vs selling

Have Maplight Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Catalyst4 Inc10% Owner2026-08-144,400,000$11.38
$50.07MBuy
James Woodruff LillieCSci2026-08-0322,082$12.54
$276.91kSell
Catalyst4 Inc10% Owner2026-07-301,000,000$13.00
$13.00MBuy
Catalyst4 Inc10% Owner2026-07-293,000$12.63
$37.89kBuy
Catalyst4 Inc10% Owner2026-07-2865,137$11.69
$761.39kBuy
Catalyst4 Inc10% Owner2026-07-28141,088$10.74
$1.52MBuy
Troy CoxDirector2026-07-2815,620$9.52
$148.70kBuy
Jonathan GillisCFO;CAO;Interim2026-07-17900$38.17
$34.35kSell
Anatol KreitzerCXO2026-07-172,833$37.05
$104.96kSell
Anatol KreitzerCXO2026-07-1714,140$37.70
$533.08kSell

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Net Insider Buy/Sell (L12M) Ownership

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MPLT Shareholders

What type of owners hold Maplight Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Catalyst4 Inc97.04%45,004,153$585.05MInsider
Holdings A. Novo7.95%3,686,622$47.93MInsider
Christopher A. Kroeger3.17%1,471,980$19.14MInsider
Vishwas Setia0.77%356,256$4.63MInsider
Robert C. Malenka0.75%348,138$4.53MInsider
Erin Pennock Foff0.67%312,261$4.06MInsider
James Woodruff Lillie0.45%210,110$2.73MInsider
Anatol Kreitzer0.39%180,926$2.35MInsider
Kristopher Hanson0.33%153,553$2.00MInsider
Jonathan Gillis0.33%152,482$1.98MInsider

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MPLT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPLT0.05%99.95%Net BuyingNet Buying
ASMB0.09%63.58%Net BuyingNet Selling
CRMD0.06%9.76%Net SellingNet Selling
OABI0.04%22.94%Net Selling
SLN0.02%0.09%

Maplight Therapeutics Stock Ownership FAQ

Who owns Maplight Therapeutics?

Maplight Therapeutics (NASDAQ: MPLT) is owned by 0.06% institutional shareholders, 112.28% Maplight Therapeutics insiders, and 0.00% retail investors. Catalyst4 Inc is the largest individual Maplight Therapeutics shareholder, owning 45.00M shares representing 97.04% of the company. Catalyst4 Inc's Maplight Therapeutics shares are currently valued at $585.05M.

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