MapLight Therapeutics, Inc. (MPLT)
Data as of , from SEC Form 4 filings.
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About MapLight Therapeutics, Inc. (MPLT)
MapLight Therapeutics, Inc. files with the SEC under CIK 0001770069 and is classified as pharmaceutical preparations. We track it alongside the rest of the Health Care sector. It filed a registration statement with the SEC on 9 September 2026 and has not yet priced an offering.
MPLT Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 7 | 8,553,531 | $98.86M |
| Open-market sale | 46 | 341,426 | $11.65M |
| Grant or award | 14 | 328,935 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
MPLT insider transactions (Form 4)
4076 Form 4 filings on record, the earliest from Oct 28, 2025, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jonathan Gillis - Officer | Tax withholding / forfeiture | Voting Common Stock | 22,050 footnote F1 | $17.98 | $396K | |
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| Anatol Kreitzer - Officer | Tax withholding / forfeiture | Voting Common Stock | 42,099 footnote F1 | $17.98 | $757K | |
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| James Woodruff Lillie - Officer | Tax withholding / forfeiture | Voting Common Stock | 45,055 footnote F1 | $17.98 | $810K | |
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| Vishwas Setia - Officer | Tax withholding / forfeiture | Voting Common Stock | 33,382 footnote F1 | $17.98 | $600K | |
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| Novo Holdings A/S | Other | Voting Common Stock | 2,733,681 | - footnote F1 | - | |
| Novo Holdings A/S | Open-market purchase | Voting Common Stock | 952,941 footnote F2 | $17.00 | $16.20M | |
| Novo Holdings A/S | Other | Series C Preferred Stock | 26,191,207 | $0.00 | - | |
| Novo Holdings A/S | Other | Series D Preferred Stock | 19,734,671 | $0.00 | - | |
| ||||||
| Catalyst4, Inc. | Other | Voting Common Stock | 14,256,288 | - footnote F1 | - | |
| Catalyst4, Inc. | Open-market purchase | Voting Common Stock | 5,441,176 | $17.00 | $92.50M | |
| Catalyst4, Inc. | Other | Series A Preferred Stock | 148,809 | - footnote F3 | - | |
| Catalyst4, Inc. | Other | Series A-1 Preferred Stock | 444,846 | - footnote F4 | - | |
| Catalyst4, Inc. | Other | Series B Preferred Stock | 1,263,768 | - footnote F5 | - | |
| Catalyst4, Inc. | Other | Series B-1 Preferred Stock | 275,148 | - footnote F6 | - | |
| Catalyst4, Inc. | Other | Series C Preferred Stock | 5,444,807 | - footnote F7 | - | |
| Catalyst4, Inc. | Other | Series D Preferred Stock | 6,678,910 | - footnote F8 | - | |
| ||||||
| Vishwas Setia - Officer | Grant or award | Voting Common Stock | 43,367 footnote F1 | $0.00 footnote F2 | - | |
| Vishwas Setia - Officer | Grant or award | Employee Stock Option (right to buy) | 176,031 | $0.00 | - | |
| ||||||
| Anatol Kreitzer - Officer | Grant or award | Employee Stock Option (right to buy) | 146,052 | $0.00 | - | |
| Anatol Kreitzer - Officer | Grant or award | Voting Common Stock | 35,953 footnote F1 | $0.00 footnote F2 | - | |
| ||||||
| Erin Pennock Foff - Officer | Grant or award | Voting Common Stock | 48,275 footnote F1 | $0.00 footnote F2 | - | |
| Erin Pennock Foff - Officer | Grant or award | Employee Stock Option (right to buy) | 196,035 | $0.00 | - | |
| ||||||
| Robert C. Malenka | Grant or award | Employee Stock Option (right to buy) | 139,610 | $0.00 | - | |
| Robert C. Malenka | Other | Series C Preferred Stock | 65,477 | $0.00 | - | |
| Robert C. Malenka | Grant or award | Voting Common Stock | 34,390 footnote F1 | $0.00 footnote F2 | - | |
| Robert C. Malenka | Other | Voting Common Stock | 3,895 | - footnote F3 | - | |
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| Timothy John Garnett | Grant or award | Voting Common Stock | 6,294 footnote F1 | $0.00 footnote F2 | - | |
| Timothy John Garnett | Grant or award | Employee Stock Option (right to buy) | 25,604 | $0.00 | - | |
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| Maria C. Walker | Grant or award | Employee Stock Option (right to buy) | 25,604 | $0.00 | - | |
| Maria C. Walker | Grant or award | Voting Common Stock | 6,294 footnote F1 | $0.00 footnote F2 | - | |
| ||||||
| Kristopher Hanson - Officer | Grant or award | Employee Stock Option (right to buy) | 110,046 | $0.00 | - | |
| Kristopher Hanson - Officer | Grant or award | Voting Common Stock | 27,098 footnote F1 | $0.00 footnote F2 | - | |
| ||||||
| James Woodruff Lillie - Officer | Grant or award | Employee Stock Option (right to buy) | 132,023 | $0.00 | - | |
| James Woodruff Lillie - Officer | Grant or award | Voting Common Stock | 32,539 footnote F1 | $0.00 footnote F2 | - | |
| ||||||
| Jonathan Gillis - Officer | Grant or award | Employee Stock Option (right to buy) | 124,022 | $0.00 | - | |
| Jonathan Gillis - Officer | Grant or award | Voting Common Stock | 30,565 footnote F1 | $0.00 footnote F2 | - | |
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| Christopher A. Kroeger - Officer | Other | Series C Preferred Stock | 65,477 | $0.00 | - | |
| Christopher A. Kroeger - Officer | Grant or award | Voting Common Stock | 225,693 footnote F1 | $0.00 footnote F2 | - | |
| Christopher A. Kroeger - Officer | Other | Voting Common Stock | 3,895 | - footnote F3 | - | |
| Christopher A. Kroeger - Officer | Grant or award | Employee Stock Option (right to buy) | 916,164 | $0.00 | - | |
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Recent MPLT Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Hanson Kristopher | Officer | 16,509 | $199K | View on EDGAR | |
| Lillie James Woodruff | Officer | 22,082 |
MPLT insider trading FAQ
What is the latest insider trade for MPLT?
MapLight Therapeutics, Inc. (MPLT) had 17 insider filings in the last 90 days, with the most recent on 2026-09-18. The full record for MPLT runs to 76 Form 4 filings, the earliest from 2025-10-28. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying MPLT stock?
7 insider purchases of MPLT were filed in the last 90 days, totaling $98.86M.
How many insiders are selling MPLT stock?
46 insider sales of MPLT were filed in the last 90 days, totaling $11.65M.
Where can I see MPLT SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects MPLT Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Kristopher Hanson view on EDGAR
- - Anatol Kreitzer view on EDGAR
- - Jonathan Gillis view on EDGAR
- - James Woodruff Lillie view on EDGAR
- - Kristopher Hanson view on EDGAR
- - Erin Pennock Foff view on EDGAR
- - Christopher A. Kroeger view on EDGAR
- - Catalyst4, Inc. view on EDGAR
- - James Woodruff Lillie view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where MPLT's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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