Laura Williams to sell 24,041 ARDX shares; prior disposals of 56,426 shares (ARDX)

Rhea-AI Filing Summary

Laura A. Williams reports proposed sale of 24,041 shares of Common Stock. The filing lists 24,041 shares associated with the vesting of restricted stock units on 02/19/2026, described as arising from services rendered.

The notice also records sales during the prior three months: 6,426 shares on 11/21/2025 for $35,580.12 and 50,000 shares on 01/08/2026 for $348,900.00. The broker listed is Morgan Stanley Smith Barney LLC.

Insights

Securities Compliance Counsel

Notice of planned resale tied to vested RSUs; prior dispositions are recorded.

The filing lists 24,041 shares to be sold following the vesting of restricted stock units on 02/19/2026. This entry is recorded as arising from services rendered, and the sale notice is being processed through Morgan Stanley Smith Barney LLC.

Two prior dispositions are shown: 6,426 shares sold on 11/21/2025 for $35,580.12 and 50,000 shares sold on 01/08/2026 for $348,900.00. The filing documents past sales and a proposed resale; timing and execution details beyond the dates listed are not included in the excerpt.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza, 8th Floor New York NY 10004	11300	64749.00	245247427	02/20/2026	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	02/19/2026	Vesting of restricted stock units	Issuer			24041	02/19/2026	Services Rendered

* 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
Laura A. Williams 400 Fifth Avenue, Suite 210 Waltham MA 02451	Common Stock	11/21/2025	6426	35580.12
Laura A. Williams 400 Fifth Avenue, Suite 210 Waltham MA 02451	Common Stock	01/08/2026	50000	348900.00

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 ARDX Form 144 for Laura A. Williams report?

It reports a proposed resale of 24,041 common shares tied to RSU vesting on 02/19/2026. The filing also lists two prior sales of 6,426 and 50,000 shares with dollar amounts shown.

Who is the broker handling the proposed sale on the ARDX Form 144?

The broker named is Morgan Stanley Smith Barney LLC at 1 New York Plaza. The filing lists the broker as the intermediary for the proposed resale activity.

How many shares were sold in the past three months per the filing?

The filing records sales of 6,426 shares on 11/21/2025 and 50,000 shares on 01/08/2026, with proceeds of $35,580.12 and $348,900.00, respectively.

Are the 24,041 shares being sold from newly vested RSUs?

Yes. The entry lists 24,041 shares dated 02/19/2026 described as resulting from the vesting of restricted stock units for services rendered.

Does the filing state when the proposed resale will occur?

The filing shows the vesting date 02/19/2026 for the 24,041 shares; specific execution timing for resale is not provided within the excerpt.