๐Ÿ•ต๏ธ Maplight Therapeutics, Inc. ($MPLT)

SEC insider & ownership activity, last 12 months ยท CIK 1770069 ยท every row links its SEC filing

Over the last 12 months insiders sold $28.7M against $109.5M of open-market buying. CATALYST4, Inc. bought $92.5M in discretionary trades (Oct). 3 planned sales are pending, the largest $1.4M (Jonathan Gillis). No red-flag 8-Ks in the window.

๐Ÿšจ 6 signals active โ€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Aug 2025: net +$0 Sep 2025: net +$0 Oct 2025: net +$108.7M Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net -$636K Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net -$4.7M May 2026: net -$11.5M Jun 2026: net +$0 Jul 2026: net -$11.0M
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

5 buyers, $109.5M (7 lots) ยท 8 sellers, $28.7M (137 lots)

InsiderBuysBoughtSellsSoldLast
CATALYST4, Inc.1$92.5M 0โ€“Oct 28, 2025
NOVO Holdings A/S1$16.2M 0โ€“Oct 28, 2025
Christopher A. Kroeger0โ€“ 29$12.5MJul 17, 2026
Jonathan Gillis0โ€“ 13$3.6MJul 17, 2026
Foff Erin Pennock0โ€“ 22$3.4MJul 17, 2026
Anatol Kreitzer0โ€“ 11$2.8MJul 17, 2026
Lillie James Woodruff0โ€“ 19$2.3MJul 17, 2026
Robert Malenka0โ€“ 14$1.6MApr 15, 2026
Hanson Kristopher0โ€“ 18$1.5MJul 17, 2026
Setia Vishwas0โ€“ 11$1.1MMay 6, 2026
Pavlov George3$441K 0โ€“Feb 20, 2026
Garnett Timothy John1$253K 0โ€“Feb 10, 2026
Cox Troy1$149K 0โ€“Jul 28, 2026

5%+ holders

HolderStakeClassScheduleEvent
Robert Brown 45.1% 13DOct 28, 2025 filing โ†—
Ekemini Riley 45.1% 13DOct 28, 2025 filing โ†—
Mark Vorsatz 45.1% 13DOct 28, 2025 filing โ†—
CATALYST4, Inc. 45.1% 13DOct 28, 2025 filing โ†—
NOVO Holdings A/S 8.4% 13DOct 28, 2025 filing โ†—
T. ROWE Price Investment Management, Inc. 7.4% 13GMay 15, 2026 filing โ†—
Forbion Growth Opportunities Fund III Cooperatief U.A. 7.1% 13GFeb 17, 2026 filing โ†—
Forbion Growth III Management B.V. 7.1% 13GFeb 17, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Anatol Kreitzer$639KJul 17, 2026 filing โ†—
Jonathan Gillis$687KJul 17, 2026 filing โ†—
Foff Erin Pennock$1.8MJul 15, 2026 filing โ†—
Christopher A. Kroeger$5.8MJul 15, 2026 filing โ†—
Hanson Kristopher$626KJul 15, 2026 filing โ†—
Lillie James Woodruff$714KJul 15, 2026 filing โ†—
Robert Malenka$665KJul 15, 2026 filing โ†—
Anatol Kreitzer$1.4MJul 15, 2026 filing โ†—
Jonathan Gillis$1.4MJul 15, 2026 filing โ†—
Christopher A. Kroeger$7.3MMay 4, 2026 filing โ†—
Setia Vishwas$1.1MMay 4, 2026 filing โ†—
Foff Erin Pennock$1.7MMay 4, 2026 filing โ†—
Lillie James Woodruff$1.6MMay 4, 2026 filing โ†—
Hanson Kristopher$855KMay 4, 2026 filing โ†—
Anatol Kreitzer$1.4MApr 27, 2026 filing โ†—
Jonathan Gillis$2.1MApr 27, 2026 filing โ†—
Foff Erin Pennock$94KApr 15, 2026 filing โ†—
Lillie James Woodruff$132KApr 15, 2026 filing โ†—
Setia Vishwas$81KApr 15, 2026 filing โ†—
Hanson Kristopher$49KApr 15, 2026 filing โ†—
Christopher A. Kroeger$563KApr 15, 2026 filing โ†—
Robert Malenka$232KApr 15, 2026 filing โ†—
Anatol Kreitzer$135KApr 15, 2026 filing โ†—
Jonathan Gillis$108KApr 15, 2026 filing โ†—
Robert Malenka$13KFeb 24, 2026 filing โ†—
Robert Malenka$207KFeb 23, 2026 filing โ†—
Robert Malenka$40KFeb 20, 2026 filing โ†—
Robert Malenka$221KFeb 13, 2026 filing โ†—
Robert Malenka$4KFeb 11, 2026 filing โ†—
Robert Malenka$120KFeb 10, 2026 filing โ†—
Robert Malenka$18Feb 3, 2026 filing โ†—
Robert Malenka$127KFeb 2, 2026 filing โ†—
Robert Malenka$120KJan 30, 2026 filing โ†—
Robert Malenka$394KJan 29, 2026 filing โ†—
Robert Malenka$122KJan 28, 2026 filing โ†—

Material events (8-K)

ItemEvent date
Reg FD disclosure (7.01)Jul 27, 2026 filing โ†—
Other events (8.01)Jul 27, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 27, 2026 filing โ†—
Shareholder vote (5.07)Jun 23, 2026 filing โ†—
Reg FD disclosure (7.01)Jun 22, 2026 filing โ†—
Other events (8.01)Jun 22, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 22, 2026 filing โ†—
Officer/director changes (5.02)Jun 18, 2026 filing โ†—
Earnings (2.02)May 14, 2026 filing โ†—
Reg FD disclosure (7.01)May 14, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 14, 2026 filing โ†—
Officer/director changes (5.02)Apr 23, 2026 filing โ†—
Earnings (2.02)Mar 26, 2026 filing โ†—
Reg FD disclosure (7.01)Mar 26, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 26, 2026 filing โ†—
Earnings (2.02)Jan 9, 2026 filing โ†—
Reg FD disclosure (7.01)Jan 9, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 9, 2026 filing โ†—
Earnings (2.02)Dec 4, 2025 filing โ†—
Reg FD disclosure (7.01)Dec 4, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Dec 4, 2025 filing โ†—
Unregistered equity sale (3.02)Oct 26, 2025 filing โ†—
Charter/bylaw changes (5.03)Oct 26, 2025 filing โ†—
Other events (8.01)Oct 26, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 26, 2025 filing โ†—