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  4. [Form 4] MapLight Therapeutics, Inc. Insider Trading Activity

MapLight Therapeutics (MPLT) CSO sells shares to cover RSU tax obligations

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

MapLight Therapeutics, Inc. Chief Scientific Officer Lillie James Woodruff reported selling 18,267 shares of Voting Common Stock from July 15–17, 2026, at prices between $35.5338 and $37.925 per share. The disclosure states these mandated sell to cover transactions satisfied statutory tax withholding on vested restricted stock units, leaving her with 224,462 shares held directly.

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Insights

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Insider Lillie James Woodruff
Role Chief Scientific Officer
Sold 18,267 shs ($674K)
Type Security Shares Price Value
Sale Voting Common Stock 2,077 $37.90 $79K
Sale Voting Common Stock 5,009 $36.45 $183K
Sale Voting Common Stock 3,526 $37.26 $131K
Sale Voting Common Stock 12 $37.96 $455.52
Sale Voting Common Stock 2,238 $36.00 $81K
Sale Voting Common Stock 5,393 $36.99 $199K
Sale Voting Common Stock 12 $37.54 $450.48
Holdings After Transaction: Voting Common Stock — 224,462 shares (Direct)
Footnotes (1)
  1. 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. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.5338 to $36.5251 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.53 to $37.405 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.9075 to $36.9013 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.9082 to $37.89 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.49 to $37.925 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Shares sold 18,267 shares Total Voting Common Stock sold July 15–17, 2026
Shares held after transactions 224,462 shares Direct holdings after July 17, 2026 sale
Price range (Footnote F2) $35.5338–$36.5251 Weighted average sale price range for one transaction group
Price range (Footnote F3) $36.53–$37.405 Weighted average sale price range for one transaction group
Price range (Footnote F6) $37.49–$37.925 Weighted average sale price range for one transaction group
restricted stock units financial
"in connection with the vesting of the restricted stock units."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
statutory tax withholding obligations financial
"shares required to be sold to cover the statutory tax withholding obligations"
sell to cover financial
"obligations to be funded by a sell to cover transaction"
Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What insider stock sale did MPLT report for its Chief Scientific Officer?
MapLight Therapeutics reported that Chief Scientific Officer Lillie James Woodruff sold 18,267 shares of Voting Common Stock from July 15–17, 2026. The transactions were described as mandated sell to cover trades for statutory tax withholding, not discretionary sales.

Why did Lillie James Woodruff sell MPLT shares in this Form 4 filing?
The filing explains that the shares were sold to cover statutory tax withholding obligations arising from the vesting of restricted stock units. Under the company’s equity incentive plans, these minimum tax obligations are funded via mandated sell to cover transactions rather than elective open-market selling.

How many MPLT shares does the CSO hold after these transactions?
After the reported sell to cover transactions, Chief Scientific Officer Lillie James Woodruff directly holds 224,462 shares of MapLight Therapeutics Voting Common Stock. This post-transaction balance is reported in the Form 4 as the total shares following the July 17, 2026 trade.

At what prices were the MPLT shares sold in this insider transaction?
Reported per-share prices ranged from $35.5338 to $37.925, with several sales noted as occurring at weighted average prices. Footnotes state the shares were sold in multiple transactions within these ranges, and detailed price breakdowns are available on request from the company or regulators.

Were the MPLT insider sales made under a Rule 10b5-1 trading plan?
The Rule 10b5-1 checkbox on the Form 4 is not checked, and the footnotes describe the transactions as mandated sell to cover sales. The disclosure links the sales to tax withholding on RSU vesting rather than to a pre-arranged Rule 10b5-1 trading plan.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Lillie James Woodruff
(Last)(First)(Middle)
C/O MAPLIGHT THERAPEUTICS, INC.
800 CHESAPEAKE DRIVE
(Street)
REDWOOD CITY CALIFORNIA 94063
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
MapLight Therapeutics, Inc. [ MPLT ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Scientific Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/15/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Voting Common Stock07/15/2026S2,238(1)D$36(2)240,491D
Voting Common Stock07/15/2026S5,393(1)D$36.99(3)235,098D
Voting Common Stock07/15/2026S12(1)D$37.54235,086D
Voting Common Stock07/16/2026S5,009(1)D$36.45(4)230,077D
Voting Common Stock07/16/2026S3,526(1)D$37.26(5)226,551D
Voting Common Stock07/16/2026S12(1)D$37.96226,539D
Voting Common Stock07/17/2026S2,077(1)D$37.9(6)224,462D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. 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. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.5338 to $36.5251 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.53 to $37.405 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.9075 to $36.9013 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.9082 to $37.89 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.49 to $37.925 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
/s/ Kristopher L. Hanson, Attorney-in-Fact07/17/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR