Form 144: Proposed sale of 360 shares by broker

Morgan Stanley Smith Barney LLC submitted a Form 144 notice listing proposed sales of 360 shares of Common stock.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC submitted a Form 144 notice listing proposed sales of 360 shares of Common stock. The filing also records 10b5-1 sales of 10,115 shares on 03/25/2026 for $303,354.24. The excerpt shows 47,792,943 shares outstanding as of 04/08/2026.

Key Figures

Proposed sale: 360 shares 10b5-1 sale quantity: 10,115 shares Gross proceeds from 10b5-1 sale: $303,354.24 +2 more

5 metrics

Proposed sale 360 shares Securities To Be Sold entry

10b5-1 sale quantity 10,115 shares Sold on 03/25/2026 under 10b5-1 plan

Gross proceeds from 10b5-1 sale $303,354.24 Proceeds reported for 03/25/2026 sale

Shares outstanding 47,792,943 shares As of 04/08/2026 in securities information row

Founders shares listed 360 shares Founders Shares entry dated 08/20/2025

Key Terms

Form 144, 10b5-1 Sales, Founders Shares

3 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

10b5-1 Sales regulatory

"10b5-1 Sales for KRISHNASWAMY 99 High Street"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Founders Shares financial

"Common | 08/20/2025 | Founders Shares"

Founders shares are a special block of a company’s stock originally given to the people who started the business; they often carry extra voting power or favorable terms compared with regular shares. For investors, these shares matter because they concentrate control and influence how future funding, ownership dilution, and decision-making will play out—think of founders shares as the steering wheel that can steer a company’s direction even as more passengers (investors) climb aboard.

FAQ

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

What does the Form 144 for RAPP show about proposed sales?

The Form 144 lists a proposed sale of 360 shares of Common stock by Morgan Stanley Smith Barney LLC. The filing identifies these as securities to be sold and includes related transaction dates and holder details.

How many shares were sold under 10b5-1 plans in the past three months for RAPP?

The filing reports 10,115 shares sold under a 10b5-1 plan on 03/25/2026. The reported gross proceeds from that sale were $303,354.24, as shown in the excerpt.

What is the reported shares outstanding figure in the RAPP excerpt?

The excerpt shows 47,792,943 shares outstanding as of 04/08/2026. This figure appears in the securities information row alongside the listing and date fields.

Who is listed as the broker/dealer handling the proposed sale in the Form 144?

Morgan Stanley Smith Barney LLC is listed with an address at 1 New York Plaza, 8th Floor, New York, NY as the broker/dealer associated with the securities to be sold.

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

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Accepted by SEC EDGAR 04/08/2026 - 05:35 PM EDT 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	0002022156
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	RAPPORT THERAPEUTICS INC
SEC File Number	001-42121
Address of Issuer	99 High Street, Suite 2100 Boston MASSACHUSETTS 02110
Phone	8573218020
Name of Person for Whose Account the Securities are To Be Sold	KRISHNASWAMY YELESWARAM
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	Officer

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	360	12056.40	47792943	04/08/2026	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	08/20/2025	Founders Shares	Issuer			360	08/20/2025	N/A

* 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
10b5-1 Sales for KRISHNASWAMY YELESWARAM 99 High Street, Suite 2100 Boston MA 02110	Common	03/25/2026	10115	303354.24

144: Remarks and Signature

Remarks
Date of Notice	04/08/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/10/2025
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/ Krishnaswamy Yeleswaram
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)