Morgan Stanley Smith Barney: Proposed RNAC share transactions

Morgan Stanley Smith Barney LLC submitted a Form 144 notice reporting proposed and recent transactions in Common stock of RNAC.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC submitted a Form 144 notice reporting proposed and recent transactions in Common stock of RNAC. The filing lists planned exercises and restricted-stock vesting dated 06/09/2026 and 01/02/2026

The filing also reports a disposition by Milos Miljkovic of 3,924 shares on 06/02/2026 for $25,152.84. The itemized entries show multiple issuances/exercises under registered plans with share counts explicitly listed.

Insights

Securities Counsel

Notice lists planned exercises and recent resale under Rule 144-related procedures.

The filing itemizes securities "Exercise of Options Under a Registered Plan" and "Restricted Stock Vesting Under a Registered Plan" with specific share counts dated 06/09/2026 and 01/02/2026. It also discloses a past resale of 3,924 shares for $25,152.84 on 06/02/2026.

These entries are procedural disclosures required for affiliate resales; cash-flow treatment and any transfer restrictions are not stated in the provided excerpt. Subsequent filings or confirmations would show whether the planned exercises resulted in open-market sales.

Key Figures

Form type: Form 144 notice Resale reported: 3,924 shares Proceeds from resale: $25,152.84 +4 more

7 metrics

Form type Form 144 notice Rule 144 resale notice

Resale reported 3,924 shares sold on 06/02/2026 by Milos Miljkovic

Proceeds from resale <money>$25,152.84</money> consideration reported for 3,924 shares on 06/02/2026

Planned exercise (entry) 21,382 shares Exercise of Options Under a Registered Plan dated 06/09/2026

Restricted stock vesting 2,929 shares Restricted Stock Vesting Under a Registered Plan dated 01/02/2026

Restricted stock vesting (additional) 1,581 shares Restricted Stock Vesting Under a Registered Plan dated 01/02/2026

Planned exercise (second entry) 9,146 shares Exercise of Options Under a Registered Plan dated 06/09/2026 (cash)

Key Terms

Exercise of Options Under a Registered Plan, Restricted Stock Vesting Under a Registered Plan, Form 144

3 terms

Exercise of Options Under a Registered Plan regulatory

"Exercise of Options Under a Registered Plan | Issuer | 21382 | 06/09/2026"

Restricted Stock Vesting Under a Registered Plan financial

"Restricted Stock Vesting Under a Registered Plan | Issuer | 2929 | 01/02/2026"

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.

FAQ

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

What does the RNAC Form 144 filing report?

It reports proposed and recent transactions in RNAC Common stock, including exercises and restricted-stock vesting dated 06/09/2026 and 01/02/2026. The filing also lists an actual resale of 3,924 shares on 06/02/2026.

Who is the filer and who sold shares in the RNAC notice?

The filer is Morgan Stanley Smith Barney LLC. The filing shows a disposition by Milos Miljkovic of 3,924 shares on 06/02/2026 for $25,152.84.

What types of securities transactions are listed in the RNAC filing?

The excerpt lists "Exercise of Options Under a Registered Plan" and "Restricted Stock Vesting Under a Registered Plan" with multiple share amounts and dates, indicating issuance or acquisition events tied to registered plans.

Are proceeds or use of proceeds disclosed in this RNAC excerpt?

The excerpt shows a sale amount of $25,152.84 tied to 3,924 shares sold on 06/02/2026. No broader use-of-proceeds or issuer cash receipts are stated in the provided content.

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

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Accepted by SEC EDGAR 06/09/2026 - 04:15 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	0002000282
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	CARTESIAN THERAPEUTICS, INC.
SEC File Number	001-37798
Address of Issuer	7495 NEW HORIZON WAY FREDERICK MARYLAND 21703
Phone	301-348-8698
Name of Person for Whose Account the Securities are To Be Sold	MILOS MILJKOVIC
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	Former Affiliate

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	35038	232725.90	29382000	06/09/2026	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	06/09/2026	Exercise of Options Under a Registered Plan	Issuer			21382	06/09/2026	Cash
Common	01/02/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			2929	01/02/2026	Services Rendered
Common	01/02/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			1581	01/02/2026	Services Rendered
Common	06/09/2026	Exercise of Options Under a Registered Plan	Issuer			9146	06/09/2026	Cash

* 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
MILOS MILJKOVIC 7495 NEW HORIZON WAY FREDERICK MD 21703	Common	06/02/2026	3924	25152.84

144: Remarks and Signature

Remarks
Date of Notice	06/09/2026
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/ Milos Miljkovic
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)