MPLT insider sales reported in Form 144

MPLT reported insider sales via Form 144.

Rhea-AI Filing Summary

MPLT reported insider sales via Form 144. The filing lists multiple dispositions of Common shares by Robert Malenka between 01/28/2026 and 02/20/2026, including a 21,262-share sale for $394,469.63. The transactions are described as sales following restricted stock vesting under a registered plan on 01/23/2026.

Insights

Insider Transactions Compliance Expert

Multiple post-vesting sales by an insider are reported, with transaction sizes disclosed.

The filing lists a series of sales attributed to Robert Malenka dated between 01/28/2026 and 02/20/2026, including a largest reported sale of $394,469.63 for 21,262 shares. The source notes restricted stock vesting under a registered plan on 01/23/2026.

Cash-flow treatment is the proceeds to the selling holder; the filing shows individual sale dates and proceeds. Subsequent public disclosures or amended Forms may clarify attribution, holding type, or any planned sale programs.

FAQ

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

What does MPLT's Form 144 disclose about Robert Malenka's transactions?

The Form 144 shows Robert Malenka sold multiple MPLT common shares between 01/28/2026 and 02/20/2026. The largest listed sale was 21,262 shares for $394,469.63, and transactions follow restricted stock vesting on 01/23/2026.

Were the MPLT shares sold by Malenka related to vested restricted stock?

Yes. The filing states the sales relate to restricted stock vesting under a registered plan on 01/23/2026. The Form links the securities sold to services rendered and subsequent open-market transactions recorded on specified sale dates.

What dates and amounts are included in the MPLT Form 144 sales listing?

Sales reported span from 01/28/2026 to 02/20/2026, with individual reported proceeds including $394,469.63 for 21,262 shares and other transactions showing proceeds like $220,685.67 and $126,835.04.

Does the Form 144 indicate who received the sale proceeds for MPLT transactions?

The filing attributes the sales to Robert Malenka, indicating proceeds from those transactions. The document links the securities to issuer-reported vesting; it does not specify alternative recipients or uses of proceeds beyond the selling holder entries.

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

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Accepted by SEC EDGAR 02/23/2026 - 04:33 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	11264	207490.76	45373033	02/23/2026	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			11264	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	02/20/2026	2195	39576.95
ROBERT MALENKA 800 Chesapeake Drive Redwood City CA 94063	Common	02/13/2026	12116	220685.67
ROBERT MALENKA 800 Chesapeake Drive Redwood City CA 94063	Common	02/11/2026	241	4338.00
ROBERT MALENKA 800 Chesapeake Drive Redwood City CA 94063	Common	02/10/2026	6622	119962.83
ROBERT MALENKA 800 Chesapeake Drive Redwood City CA 94063	Common	02/03/2026	1	18.00
ROBERT MALENKA 800 Chesapeake Drive Redwood City CA 94063	Common	02/02/2026	7039	126835.04
ROBERT MALENKA 800 Chesapeake Drive Redwood City CA 94063	Common	01/30/2026	6612	119736.71
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	02/23/2026
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)