๐ต๏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.
๐จ 6 signals active โ
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
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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)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| CATALYST4, Inc. | 1 | $92.5M | 0 | โ | Oct 28, 2025 |
| NOVO Holdings A/S | 1 | $16.2M | 0 | โ | Oct 28, 2025 |
| Christopher A. Kroeger | 0 | โ | 29 | $12.5M | Jul 17, 2026 |
| Jonathan Gillis | 0 | โ | 13 | $3.6M | Jul 17, 2026 |
| Foff Erin Pennock | 0 | โ | 22 | $3.4M | Jul 17, 2026 |
| Anatol Kreitzer | 0 | โ | 11 | $2.8M | Jul 17, 2026 |
| Lillie James Woodruff | 0 | โ | 19 | $2.3M | Jul 17, 2026 |
| Robert Malenka | 0 | โ | 14 | $1.6M | Apr 15, 2026 |
| Hanson Kristopher | 0 | โ | 18 | $1.5M | Jul 17, 2026 |
| Setia Vishwas | 0 | โ | 11 | $1.1M | May 6, 2026 |
| Pavlov George | 3 | $441K | 0 | โ | Feb 20, 2026 |
| Garnett Timothy John | 1 | $253K | 0 | โ | Feb 10, 2026 |
| Cox Troy | 1 | $149K | 0 | โ | Jul 28, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Robert Brown | 45.1% | 13D | Oct 28, 2025 | filing โ | |
| Ekemini Riley | 45.1% | 13D | Oct 28, 2025 | filing โ | |
| Mark Vorsatz | 45.1% | 13D | Oct 28, 2025 | filing โ | |
| CATALYST4, Inc. | 45.1% | 13D | Oct 28, 2025 | filing โ | |
| NOVO Holdings A/S | 8.4% | 13D | Oct 28, 2025 | filing โ | |
| T. ROWE Price Investment Management, Inc. | 7.4% | 13G | May 15, 2026 | filing โ | |
| Forbion Growth Opportunities Fund III Cooperatief U.A. | 7.1% | 13G | Feb 17, 2026 | filing โ | |
| Forbion Growth III Management B.V. | 7.1% | 13G | Feb 17, 2026 | filing โ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Anatol Kreitzer | $639K | Jul 17, 2026 | filing โ |
| Jonathan Gillis | $687K | Jul 17, 2026 | filing โ |
| Foff Erin Pennock | $1.8M | Jul 15, 2026 | filing โ |
| Christopher A. Kroeger | $5.8M | Jul 15, 2026 | filing โ |
| Hanson Kristopher | $626K | Jul 15, 2026 | filing โ |
| Lillie James Woodruff | $714K | Jul 15, 2026 | filing โ |
| Robert Malenka | $665K | Jul 15, 2026 | filing โ |
| Anatol Kreitzer | $1.4M | Jul 15, 2026 | filing โ |
| Jonathan Gillis | $1.4M | Jul 15, 2026 | filing โ |
| Christopher A. Kroeger | $7.3M | May 4, 2026 | filing โ |
| Setia Vishwas | $1.1M | May 4, 2026 | filing โ |
| Foff Erin Pennock | $1.7M | May 4, 2026 | filing โ |
| Lillie James Woodruff | $1.6M | May 4, 2026 | filing โ |
| Hanson Kristopher | $855K | May 4, 2026 | filing โ |
| Anatol Kreitzer | $1.4M | Apr 27, 2026 | filing โ |
| Jonathan Gillis | $2.1M | Apr 27, 2026 | filing โ |
| Foff Erin Pennock | $94K | Apr 15, 2026 | filing โ |
| Lillie James Woodruff | $132K | Apr 15, 2026 | filing โ |
| Setia Vishwas | $81K | Apr 15, 2026 | filing โ |
| Hanson Kristopher | $49K | Apr 15, 2026 | filing โ |
| Christopher A. Kroeger | $563K | Apr 15, 2026 | filing โ |
| Robert Malenka | $232K | Apr 15, 2026 | filing โ |
| Anatol Kreitzer | $135K | Apr 15, 2026 | filing โ |
| Jonathan Gillis | $108K | Apr 15, 2026 | filing โ |
| Robert Malenka | $13K | Feb 24, 2026 | filing โ |
| Robert Malenka | $207K | Feb 23, 2026 | filing โ |
| Robert Malenka | $40K | Feb 20, 2026 | filing โ |
| Robert Malenka | $221K | Feb 13, 2026 | filing โ |
| Robert Malenka | $4K | Feb 11, 2026 | filing โ |
| Robert Malenka | $120K | Feb 10, 2026 | filing โ |
| Robert Malenka | $18 | Feb 3, 2026 | filing โ |
| Robert Malenka | $127K | Feb 2, 2026 | filing โ |
| Robert Malenka | $120K | Jan 30, 2026 | filing โ |
| Robert Malenka | $394K | Jan 29, 2026 | filing โ |
| Robert Malenka | $122K | Jan 28, 2026 | filing โ |
Material events (8-K)
| Item | Event 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 |