Insider Sweta Chakraborty files LTBR (NASDAQ: LTBR) Form 144 sale

Rhea-AI Filing Summary

LTBR filed a Form 144 notice for a planned insider sale of 1,245 shares of common stock. The shares are to be sold through Stifel Nicolaus & Company on Nasdaq on 01/06/2026, with an aggregate market value of $19,518.00 and 32,371,338 shares of the same class reported as outstanding.

The securities to be sold were acquired as restricted stock units from the issuer, with 2,897 shares acquired on 12/31/2025 as equity compensation, paid in equity rather than cash. Over the past three months, the seller, Sweta Chakraborty, has sold additional common stock blocks of 1,947, 1,948, 1,948 and 1,246 shares, for gross proceeds of $30,524.00, $30,134.00, $52,069.00 and $28,526.00, respectively.

By signing the notice, the seller represents that they do not know of any undisclosed material adverse information about the issuer’s current or prospective operations.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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 Stock	Stifel Nicolaus & Company Inc 501 N Broadway St. Louis MO 63102	1245	19518.00	32371338	01/06/2026	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 Stock	12/31/2025	Restricted Stock Units	Issuer			2897	12/31/2025	Equity Compensation

* 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
Sweta Chakraborty 11710 Plaza America Dr Suite 2000 Reston VA 20190	Common Stock	01/02/2026	1947	30524.00
Sweta Chakraborty 11710 Plaza America Dr Suite 2000 Reston VA 20190	Common Stock	12/01/2025	1948	30134.00
Sweta Chakraborty 11710 Plaza America Dr Suite 2000 Reston VA 20190	Common Stock	11/03/2025	1948	52069.00
Sweta Chakraborty 11710 Plaza America Dr Suite 2000 Reston VA 20190	Common Stock	10/08/2025	1246	28526.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the LTBR Form 144 filing disclose?

The Form 144 filing discloses a planned sale of 1,245 shares of LTBR common stock. The shares are to be sold through Stifel Nicolaus & Company on Nasdaq on 01/06/2026, with an aggregate market value of $19,518.00.

How many LTBR shares are outstanding in this Form 144?

The notice states that the number of shares of the same class of LTBR common stock outstanding is 32,371,338. This figure provides a baseline for understanding the relative size of the planned sale.

How did the insider acquire the LTBR shares being sold?

The securities to be sold are LTBR common shares acquired via restricted stock units from the issuer. The filing reports that 2,897 shares were acquired on 12/31/2025 as equity compensation, with payment made in equity rather than cash.

What LTBR stock sales has the insider made in the past 3 months?

The filing lists recent sales by Sweta Chakraborty of LTBR common stock: 1,947 shares on 01/02/2026 for $30,524.00, 1,948 shares on 12/01/2025 for $30,134.00, 1,948 shares on 11/03/2025 for $52,069.00, and 1,246 shares on 10/08/2025 for $28,526.00.

Who is the seller named in the LTBR Form 144?

The Form 144 identifies Sweta Chakraborty, with an address in Reston, VA, as the person for whose account the LTBR common stock is being sold. The filing also notes that information must cover all persons whose sales must be aggregated under Rule 144.

What representation does the seller make in the LTBR Form 144?

By signing the notice, the seller represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed, as required under the Form 144 attestation language.