Insider plans Rule 144 sale of 54,333 SION (SION) common shares

Rhea-AI Filing Summary

SION filed a notice of proposed sale of restricted or control securities under Rule 144. The filing covers up to 54,333 shares of common stock, $0.001 par value per share, to be sold through Goldman Sachs & Co. LLC on the Nasdaq Global Market. The shares have an aggregate market value of $2,269,489.41 based on the filer’s calculation, and the planned sale date is listed as 01/22/2026.

The common stock to be sold was originally acquired on 02/10/2025 through the automatic conversion of preferred stock of the issuer into common stock, with 1,208,364 shares acquired in that conversion. The filing also notes that 44,628,788 shares of the issuer’s common stock were outstanding, providing context for the size of the planned sale.

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, $0.001 par value per share	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	54333	2269489.41	44628788	01/22/2026	Nasdaq Global Market

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, $0.001 par value per share	02/10/2025	The shares of Common Stock reported herein were originally acquired by Seller upon the automatic conversion of shares of Preferred Stock of the Issuer into shares of Common Stock	Issuer			1208364	02/10/2025	Automatic conversion of shares of Preferred Stock of the Issuer into shares of Common Stock.

* 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 SION's latest Form 144 filing report?

The Form 144 filing for SION reports a planned sale of up to 54,333 shares of common stock, $0.001 par value per share, to be sold under Rule 144.

How many SION shares are planned to be sold and through which broker?

The notice covers 54,333 shares of common stock to be sold through Goldman Sachs & Co. LLC, located at 200 West Street, New York, NY 10282.

What is the aggregate market value of the SION shares in this Form 144?

The filer reports an aggregate market value of $2,269,489.41 for the 54,333 SION common shares covered by the planned sale.

When were the SION shares to be sold under Form 144 originally acquired?

The common stock was acquired on 02/10/2025 through the automatic conversion of shares of preferred stock of the issuer into shares of common stock, with 1,208,364 shares acquired in that transaction.

What is the approximate date of sale for the SION Form 144 transaction?

The filing lists an approximate date of sale of 01/22/2026 for the 54,333 shares of SION common stock proposed to be sold.

How many SION common shares were outstanding according to the Form 144?

The Form 144 notes that 44,628,788 shares of common stock were outstanding, which serves as a baseline figure relative to the planned sale amount.

On which exchange are the SION shares in this Form 144 listed?

The SION common stock referenced in this Form 144 filing is listed on the Nasdaq Global Market.