Form 144 shows proposed sale of 55,979 shares by Morgan Stanley (IBRX)

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 notice to sell common stock listed on NASDAQ. The filing lists an intended sale tied to an exercise of stock options for 55,979 shares dated 07/02/2026 and an entry for 75,231 restricted stock units dated 06/06/2021.

Insights

Securities Counsel

Form 144 notifies the market of an intended Rule 144 resale of common shares.

Form 144 is a regulatory notice used to disclose proposed sales under resale restrictions. The filing here references an exercise of stock options for 55,979 shares and 75,231 RSUs in separate dated entries, with the market listed as NASDAQ.

Timing and final cash‑flow treatment are governed by Rule 144 conditions; this filing itself signals intent to sell but does not confirm completed transactions or proceeds.

Key Figures

Market: NASDAQ Option exercise shares: 55,979 shares Restricted Stock Units: 75,231 shares +1 more

4 metrics

Market NASDAQ listed market for the common shares

Option exercise shares 55,979 shares Exercise of Stock Options dated 07/02/2026

Restricted Stock Units 75,231 shares Restricted Stock Units dated 06/06/2021

Form type Form 144 Rule 144 resale notice

Key Terms

Restricted Stock Units, Exercise of Stock Options, Form 144

3 terms

Restricted Stock Units financial

"Cash Common | 06/06/2021 | Restricted Stock Units | Issuer |"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Exercise of Stock Options financial

"Common | 07/02/2026 | Exercise of Stock Options | Issuer |"

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.

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Available on EDGAR 07/02/2026 - 04:33 PM Accepted by SEC EDGAR 07/02/2026 - 04:31 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
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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	131210	1207132.00	1047353977	07/02/2026	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	07/02/2026	Exercise of Stock Options	Issuer			55979	07/02/2026	Cash
Common	06/06/2021	Restricted Stock Units	Issuer			75231	06/06/2021	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

Nothing to Report

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 IBRX's Form 144 filing mean?

It notifies the market of a proposed resale of common shares under Rule 144. The notice lists 55,979 shares tied to an option exercise (dated 07/02/2026) and 75,231 RSUs dated 06/06/2021.

How many shares are listed for sale in the Form 144 for IBRX?

The filing lists 55,979 shares from an option exercise and a separate line for 75,231 RSUs. These counts appear as discrete entries with their respective dates.

Does the Form 144 confirm the shares were sold?

No, Form 144 indicates an intended resale, not a completed sale. It discloses the planned transaction details but does not report final proceeds or execution confirmation.

Which market is referenced in the filing for IBRX trades?

The filing references NASDAQ as the market for the common stock. The dates associated with the entries include 07/02/2026 and 06/06/2021.

Who is the filer named on the Form 144 for IBRX?

The filer is listed as Morgan Stanley Smith Barney LLC Executive Financial Services, with an address at 1 New York Plaza in New York, per the filing header information.