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)
80
76 Form 4 filings on record, the earliest from Oct 28, 2025, newest first. Filing history page 2 of 3.
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.84 to $27.835 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.845 to $28.74 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.00 to $29.9669 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F5 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.00 to $30.55 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.755 to $28.75 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F7 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.79 to $29.25 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F8 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.675 to $28.6587 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F9 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.71 to $29.57 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.84 to $27.835 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.845 to $28.73 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.00 to $29.9669 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F5 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.00 to $30.55 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.84 to $27.835 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.845 to $28.73 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.00 to $29.9669 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F5 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.00 to $30.55 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.755 to $28.75 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F7 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.80 to $29.26 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F8 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.675 to $28.6587 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F9 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.71 to $29.57 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.27 to $29.25 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.27 to $30.25 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.27 to $30.64 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F5 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.755 to $30.71 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.81 to $30.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.27 to $29.26 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.27 to $30.26 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.27 to $30.64 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units.
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.6045 to $26.6093 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units.
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.6045 to $26.6093 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units.
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.33 to $27.29 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F4 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.2201 to $27.2197 inclusive.
Footnote F5 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.22 to $27.9898 inclusive.
Footnote F1 (shares): Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units.
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.33 to $27.29 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F3 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.2201 to $27.2197 inclusive.
Footnote F4 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.22 to $27.9898 inclusive.
Footnote F1 (shares): Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units.
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.33 to $27.29 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F4 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.2201 to $27.2197 inclusive.
Footnote F5 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.22 to $27.9898 inclusive.
Footnote F1 (shares): Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units.
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.33 to $27.29 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F4 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.2201 to $27.2197 inclusive.
Footnote F5 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.22 to $27.9898 inclusive.
Footnote F1 (shares): Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units.
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.33 to $27.29 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F3 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.2201 to $27.2197 inclusive.
Footnote F4 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.22 to $27.9898 inclusive.
Footnote F2 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $26.35 to $27.29, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F1 (shares): Represents sales of shares of common stock by the Reporting Person to cover tax obligations in connection with the settlement of restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.00 to $18.10, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F3 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.00 to $18.99, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F4 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $19.00 to $19.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F5 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.01 to $18.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F1 (price): The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $17.22 to $17.72, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $17.28 to $17.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F3 (price): The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $17.74 to $17.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F1 (shares): Represents sales of shares of common stock by the Reporting Person to cover tax obligations in connection with the settlement of restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.00 to $18.59, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F1 (price): The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $17.76 to $17.90, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F1 (shares): Represents sales of shares of common stock by the Reporting Person to cover tax obligations in connection with the settlement of restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.00 to $18.41, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F1 (shares): Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on January 1, 2027, and 1/16th of the RSUs shall vest on each subsequent April 1, July 1, October 1 and January 1 thereafter, subject to the Reporting Person's continued service through each vesting… Full note on SEC EDGAR
Footnote F2 (price): Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.
Footnote F1 (shares): Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on January 1, 2027, and 1/16th of the RSUs shall vest on each subsequent April 1, July 1, October 1 and January 1 thereafter, subject to the Reporting Person's continued service through each vesting… Full note on SEC EDGAR
Footnote F2 (price): Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.
Footnote F1 (shares): Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on January 1, 2027, and 1/16th of the RSUs shall vest on each subsequent April 1, July 1, October 1 and January 1 thereafter, subject to the Reporting Person's continued service through each vesting… Full note on SEC EDGAR
Footnote F2 (price): Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.
Footnote F1 (shares): Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on January 1, 2027, and 1/16th of the RSUs shall vest on each subsequent April 1, July 1, October 1 and January 1 thereafter, subject to the Reporting Person's continued service through each vesting… Full note on SEC EDGAR
Footnote F2 (price): Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.
Footnote F1 (shares): Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on January 1, 2027, and 1/16th of the RSUs shall vest on each subsequent April 1, July 1, October 1 and January 1 thereafter, subject to the Reporting Person's continued service through each vesting… Full note on SEC EDGAR
Footnote F2 (price): Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.
Footnote F1 (shares): Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on January 1, 2027, and 1/16th of the RSUs shall vest on each subsequent April 1, July 1, October 1 and January 1 thereafter, subject to the Reporting Person's continued service through each vesting… Full note on SEC EDGAR
Footnote F2 (price): Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.
Footnote F1 (shares): Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on January 1, 2027, and 1/16th of the RSUs shall vest on each subsequent April 1, July 1, October 1 and January 1 thereafter, subject to the Reporting Person's continued service through each vesting… Full note on SEC EDGAR
Footnote F2 (price): Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.
Footnote F1 (shares): Represents sales of shares of common stock by the Reporting Person to cover tax obligations in connection with the settlement of restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.00 to $18.14, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F1 (shares): Represents sales of shares of common stock by the Reporting Person to cover tax obligations in connection with the settlement of restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.01 to $19.01, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F3 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $19.02 to $19.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F4 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.13 to $19.09, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F5 (price): The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.00 to $18.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the settlement of restricted stock unit awards. The securities of the Issuer retained by the Reporting Person remain subject to the terms a lock-up agreement entered… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the settlement of restricted stock unit awards. The securities of the Issuer retained by the Reporting Person remain subject to the terms a lock-up agreement entered… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the settlement of restricted stock unit awards. The securities of the Issuer retained by the Reporting Person remain subject to the terms a lock-up agreement entered… Full note on SEC EDGAR
An 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.
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.
George Pavlov
