Sale of 16,284 ABEO shares disclosed in Rule 144 notice

Rhea-AI Filing Summary

A holder of ABEO common stock has filed a notice of proposed sale under Rule 144 to sell 16,284 shares through broker Stifel Nicolaus & Company Inc. on or about February 2, 2026 on the Nasdaq, with an aggregate market value of $82,886.00.

The filing notes that 36,101 common shares were acquired on January 31, 2026 as restricted stock units from the issuer as equity compensation. The issuer had 54,191,361 shares of this class outstanding at the time referenced.

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	16284	82886.00	54191361	02/02/2026	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 Stock	01/31/2026	Restricted Stock Units	Issuer			36101	01/31/2026	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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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 ABEO Form 144 filing disclose?

The filing discloses a planned sale of 16,284 shares of ABEO common stock under Rule 144. The shares are to be sold through Stifel Nicolaus & Company Inc. on or about February 2, 2026 on the Nasdaq exchange.

How many ABEO shares are planned to be sold and at what market value?

The notice covers a proposed sale of 16,284 common shares of ABEO with an indicated aggregate market value of $82,886.00. These figures give investors a sense of the transaction’s scale relative to overall trading and ownership levels.

How and when were the ABEO shares in this Form 144 acquired?

The filing states 36,101 ABEO common shares were acquired on January 31, 2026 as restricted stock units from the issuer, categorized as equity compensation. This indicates the securities originated from a compensation grant rather than an open-market purchase.

How many ABEO shares were outstanding for this class of stock?

For the class of common stock referenced in the filing, there were 54,191,361 shares outstanding. This figure provides a baseline for understanding how the planned sale of 16,284 shares compares with the issuer’s total common equity base.

Which broker and exchange are involved in the ABEO Rule 144 sale?

The planned sale will be executed through Stifel Nicolaus & Company Inc., located in St. Louis, Missouri. The securities are listed for trading on the Nasdaq exchange, where the 16,284 common shares are intended to be sold.

What type of ABEO security is being sold under this Form 144?

The security class identified is Common Stock of ABEO. The filing specifies a proposed sale of 16,284 common shares with an aggregate market value of $82,886.00, giving clarity on both the type and size of the planned transaction.