Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
StockCIK 1770069

MapLight Therapeutics, Inc. (MPLT): Insider Trades and Fund Holdings

In the past 12 months, MapLight Therapeutics, Inc. insiders reported 1 open-market purchase worth $50.1M and 7 sales worth $1.26M; 1 of the sales were reported as made under a 10b5-1 trading plan.

1Insider buys, 12 months
$50.1MBought by insiders, 12 months
$1.26MSold by insiders, 12 months
1Tracked funds holding

Timeline: news and trades

Company filings (8-K), insider trades, notices of planned sales (Form 144) and fund moves in the past year, newest first.

  1. Oct 15, 2026Insider saleCEO Christopher A. Kroeger sold $595,423
  2. Oct 15, 2026Insider saleChief Medical Officer Erin Pennock Foff sold $124,068
  3. Oct 15, 2026Insider saleChief Discovery Officer Anatol Kreitzer sold $96,024
  4. Oct 15, 2026Insider saleChief Scientific Officer James Woodruff Lillie sold $93,025
  5. Oct 15, 2026Insider saleCFO Jonathan Gillis sold $82,149
  6. Oct 15, 2026Insider saleGeneral Counsel Kristopher Hanson sold $72,882
  7. Oct 15, 2026Planned saleKroeger Christopher A. (officer) filed notice to sell about $575,527 around Oct 15, 2026
  8. Oct 15, 2026Planned saleFoff Erin Pennock (officer) filed notice to sell about $119,923 around Oct 15, 2026
  9. Oct 15, 2026Planned saleROBERT MALENKA (director) filed notice to sell about $115,658 around Oct 15, 2026
  10. Oct 15, 2026Planned saleAnatol Kreitzer (officer) filed notice to sell about $97,625 around Oct 15, 2026
  11. Oct 15, 2026Planned saleLillie James Woodruff (officer) filed notice to sell about $89,917 around Oct 15, 2026
  12. Oct 15, 2026Planned saleGILLIS JONATHAN (officer) filed notice to sell about $79,404 around Oct 15, 2026
  13. Oct 15, 2026Planned saleHanson Kristopher (officer) filed notice to sell about $70,446 around Oct 15, 2026
  14. Sep 16, 2026Insider saleGeneral Counsel Kristopher Hanson sold $192,660 under a 10b5-1 plan
  15. Sep 16, 2026Planned saleHanson Kristopher (officer) filed notice to sell about $199,429 around Sep 16, 2026
  16. Aug 14, 2026Insider buy10% owner Catalyst4, Inc. bought $50.1 million
  17. Jun 30, 2026FundRenaissance Technologies opened a position in Q2 2026 (13F filed Aug 13, 2026)

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 16, 2026.

Recent MPLT insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueHoldingFiling
Oct 16Oct 15Christopher A. KroegerCEOCEO▼ SELL73,6918.08$595K−5.8%Form 4 ↗
Oct 16Oct 15Erin Pennock FoffChief Medical OfficerChief Medical Officer▼ SELL15,3558.08$124K−4.9%Form 4 ↗
Oct 16Oct 15Anatol KreitzerChief Discovery OfficerChief Discovery Officer▼ SELL12,2487.84$96K−6.8%Form 4 ↗
Oct 16Oct 15James Woodruff LillieChief Scientific OfficerChief Scientific Officer▼ SELL11,5138.08$93K−5.5%Form 4 ↗
Oct 16Oct 15Jonathan GillisCFOCFO▼ SELL10,1678.08$82K−6.7%Form 4 ↗
Oct 16Oct 15Kristopher HansonGeneral CounselGeneral Counsel▼ SELL9,0208.08$73K−6.6%Form 4 ↗
Sep 18Sep 16Kristopher HansonGeneral CounselGeneral Counsel▼ SELL10b5-116,50911.67$193K−11%Form 4 ↗
Aug 18Aug 14Catalyst4, Inc.10% owner10% owner (ind.)▲ BUY4,400,00011.38$50.1M+21%Form 4 ↗
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

InsiderRoleBuysBoughtSellsSoldLatest
Christopher A. KroegerCEO0$01$595KOct 16, 2026
Erin Pennock FoffChief Medical Officer0$01$124KOct 16, 2026
Anatol KreitzerChief Discovery Officer0$01$96KOct 16, 2026
James Woodruff LillieChief Scientific Officer0$01$93KOct 16, 2026
Jonathan GillisCFO0$01$82KOct 16, 2026
Kristopher HansonGeneral Counsel0$02$266KOct 16, 2026
Catalyst4, Inc.10% owner1$50.1M0$0Aug 18, 2026

Tracked funds that report MPLT

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

FundQuarterSharesValue% of portfolioChange
Renaissance TechnologiesQ2 20266,937$249K0.00%▲ New
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →