CS Disco files Form 144 noting RSU vesting and sales

CS Disco, Inc. Form 144 notice records proposed transactions in common stock and recent sales by an affiliate.

Rhea-AI Filing Summary

CS Disco, Inc. Form 144 notice records proposed transactions in common stock and recent sales by an affiliate. The filing lists 10,790 shares tied to restricted stock units vesting on 02/27/2026, and shows recent sales by Melanie Antoon of 20,000 shares on 12/10/2025 and 9,289 shares on 02/17/2026.

FAQ

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What does the Form 144 for LAW disclose?

The form notifies proposed transactions in CS Disco common stock and related past sales. It lists 10,790 shares tied to RSU vesting on 02/27/2026 and prior sales of 20,000 and 9,289 shares by the same affiliate.

Who is the selling party named on the LAW filing?

The filing identifies Melanie Antoon as the seller/affiliate associated with the transactions. The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services at the New York Plaza address shown in the form.

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

The form records two recent sales totaling 29,289 shares: 20,000 sold on 12/10/2025 for $174,121.14 and 9,289 sold on 02/17/2026 for $28,550.92.

What caused the 02/27/2026 entry on the LAW filing?

The entry reflects vesting of restricted stock units on 02/27/2026 and lists 10,790 shares associated with that vesting, categorized as equity compensation and noted as issued by the company.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/27/2026 - 07:34 PM EST 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	0002006838
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	CS Disco, Inc.
SEC File Number	001-40624
Address of Issuer	111 Congress Ave. Suite 900 Austin TEXAS 78701
Phone	8336534726
Name of Person for Whose Account the Securities are To Be Sold	Melanie Antoon
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	Officer

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	5300	15900	63329013	03/02/2026	NYSE

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	02/27/2026	Vesting of Restricted Stock Units - See Remarks	Issuer			10790	02/27/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Melanie Antoon c/o CS Disco, Inc. 111 Congress Ave Suite 900 Austin TX 78701	Common Stock	12/10/2025	20000	174121.14
Melanie Antoon c/o CS Disco, Inc. 111 Congress Ave Suite 900 Austin TX 78701	Common Stock	02/17/2026	9289	28550.92

144: Remarks and Signature

Remarks	The shares are sold to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale does not represent a discretionary trade by the Reporting Person.
Date of Notice	02/27/2026
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	/s/ Aaron Barfoot, Attorney-in-Fact
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)