CGEM Form 144: 1,752-Share Proposed Resale

CGEM filing shows a proposed resale of 1,752 shares of common stock through Morgan Stanley Smith Barney LLC.

Rhea-AI Filing Summary

CGEM filing shows a proposed resale of 1,752 shares of common stock through Morgan Stanley Smith Barney LLC.

The filing lists multiple recent 10b5-1 sales by Jennifer Michaelson, including 8,000 shares sold on 02/20/2026 for $114,400.00 and 4,000 shares sold on 01/22/2026 for $49,200.00.

FAQ

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

What does the CGEM Form 144 disclose?

The filing discloses a proposed resale of 1,752 shares of common stock through Morgan Stanley Smith Barney LLC. It also lists recent 10b5-1 sales by Jennifer Michaelson on specific dates with share counts and proceeds.

Who executed the recent sales reported in the filing for CGEM?

The filing lists multiple 10b5-1 sales executed by Jennifer Michaelson. Examples include 8,000 shares on 02/20/2026 and 4,000 shares on 01/22/2026, with stated proceeds.

How much proceeded from the 02/20/2026 sale in the CGEM filing?

The sale on 02/20/2026 of 8,000 shares shows proceeds of $114,400.00. The filing lists individual sale dates, share counts, and proceeds for several transactions.

Are these sales part of a trading plan for CGEM insiders?

Yes. The transactions are listed as 10b5-1 sales, indicating they were executed under an established trading plan. The filing enumerates dates, share counts, and proceeds for each reported sale.

Does the Form 144 list who is handling the resale for CGEM?

The resale is being processed through Morgan Stanley Smith Barney LLC, Executive Financial Services. The filing identifies the broker and provides the number of shares listed for resale (1,752 shares).

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

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Accepted by SEC EDGAR 02/23/2026 - 04:31 PM EST 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	0001838061
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	CULLINAN THERAPEUTICS, INC.
SEC File Number	001-39856
Address of Issuer	One Main Street Suite 1350 Cambridge MASSACHUSETTS 02142
Phone	6174104650
Name of Person for Whose Account the Securities are To Be Sold	JENNIFER MICHAELSON
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	1752	23914.80	59076259	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	02/19/2026	Restricted Stock Units	Issuer			1752	02/19/2026	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 JENNIFER MICHAELSON One Main Street Suite 1350 Cambridge MA 02142	Common	02/20/2026	8000	114400.00
JENNIFER MICHAELSON One Main Street Suite 1350 Cambridge MA 02142	Common	02/12/2026	416	5004.48
10b5-1 Sales for JENNIFER MICHAELSON One Main Street Suite 1350 Cambridge MA 02142	Common	01/22/2026	4000	49200.00
10b5-1 Sales for JENNIFER MICHAELSON One Main Street Suite 1350 Cambridge MA 02142	Common	12/19/2025	1345	13458.34
JENNIFER MICHAELSON One Main Street Suite 1350 Cambridge MA 02142	Common	12/18/2025	2898	28023.66
10b5-1 Sales for JENNIFER MICHAELSON One Main Street Suite 1350 Cambridge MA 02142	Common	12/15/2025	995	11840.50
JENNIFER MICHAELSON One Main Street Suite 1350 Cambridge MA 02142	Common	12/12/2025	2148	26592.24
10b5-1 Sales for JENNIFER MICHAELSON One Main Street Suite 1350 Cambridge MA 02142	Common	11/24/2025	4000	49200.00

144: Remarks and Signature

Remarks
Date of Notice	02/23/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/07/2025
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/ Jennifer Michaelson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)