MPLT insider plans sale of 6,612 shares

Robert Malenka filed a notice of proposed sale of up to 6,612 shares of MPLT common stock under Rule 144.

Rhea-AI Filing Summary

Robert Malenka filed a notice of proposed sale of up to 6,612 shares of MPLT common stock under Rule 144. The shares, with an aggregate market value of $119,736.71, are expected to be sold on or about 01/30/2026 through Morgan Stanley Smith Barney on NASDAQ.

The 6,612 shares were acquired on 01/23/2026 as restricted stock vesting under a registered plan in exchange for services rendered. Over the past three months, Malenka has already sold 21,262 and 6,524 MPLT common shares on 01/29/2026 and 01/28/2026, generating gross proceeds of $394,469.63 and $121,689.56, respectively. MPLT had 45,373,033 common shares outstanding.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many MPLT shares does Robert Malenka plan to sell under this Form 144?

Robert Malenka plans to sell up to 6,612 shares of MPLT common stock. These shares have an aggregate market value of $119,736.71 and are expected to be sold through Morgan Stanley Smith Barney on NASDAQ on or about January 30, 2026.

How did Robert Malenka acquire the MPLT shares he plans to sell?

The 6,612 MPLT shares were acquired on January 23, 2026 as restricted stock vesting under a registered plan. The filing states they were received from the issuer as consideration for services rendered, with payment also dated January 23, 2026.

What MPLT stock sales has Robert Malenka made in the past three months?

In the past three months, Robert Malenka sold 21,262 MPLT common shares on January 29, 2026 for $394,469.63, and 6,524 shares on January 28, 2026 for $121,689.56, according to the disclosed transaction history.

Which broker is handling Robert Malenka’s planned MPLT share sale?

The planned sale of 6,612 MPLT common shares will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services. The broker’s listed address is 1 New York Plaza, 8th Floor, New York, NY 10004, and the shares are to be sold on NASDAQ.

How many MPLT common shares are outstanding according to the filing?

The filing states that there are 45,373,033 MPLT common shares outstanding. This figure provides context for the scale of the planned 6,612-share sale and the previously reported transactions relative to the company’s total share count.

What representation does the seller make about MPLT’s information in this Form 144?

By signing the notice, the seller represents that they do not know any material adverse information about MPLT’s current or prospective operations that has not been publicly disclosed. The form also warns that intentional misstatements or omissions constitute federal criminal violations.

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

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Accepted by SEC EDGAR 01/30/2026 - 04:17 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002021198
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MAPLIGHT THERAPEUTICS, INC.
SEC File Number	001-42914
Address of Issuer	800 Chesapeake Drive Redwood City CALIFORNIA 94063
Phone	(617) 984-6300
Name of Person for Whose Account the Securities are To Be Sold	ROBERT MALENKA
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6612	119736.71	45373033	01/30/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/23/2026	Restricted stock vesting under a registered plan	Issuer			6612	01/23/2026	Services Rendered

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ROBERT MALENKA 800 Chesapeake Drive Redwood City CA 94063	Common	01/29/2026	21262	394469.63
ROBERT MALENKA 800 Chesapeake Drive Redwood City CA 94063	Common	01/28/2026	6524	121689.56

144: Remarks and Signature

Remarks
Date of Notice	01/30/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Robert Malenka
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)