CS Disco insider to sell 8,900 shares

CS Disco, Inc. insider Melanie Antoon filed to sell 8,900 shares of common stock through Morgan Stanley Smith Barney LLC on or after August 17, 2026 on the NYSE.

Rhea-AI Filing Summary

CS Disco, Inc. insider Melanie Antoon filed to sell 8,900 shares of common stock through Morgan Stanley Smith Barney LLC on or after August 17, 2026 on the NYSE. The shares relate to a vesting of Restricted Stock Units on August 16, 2026, when 20,538 shares were acquired as equity compensation. Over the prior three months, Antoon sold 8,590 shares for proceeds of $31,013.24. CS Disco had approximately 64,919,765 shares of common stock outstanding.

Key Figures

Shares to be sold: 8,900 shares Approximate shares outstanding: 64,919,765 shares Shares from RSU vesting: 20,538 shares +2 more

5 metrics

Shares to be sold 8,900 shares Planned sale of CS Disco common stock on or after August 17, 2026

Approximate shares outstanding 64,919,765 shares CS Disco common stock outstanding referenced in the Rule 144 notice

Shares from RSU vesting 20,538 shares Vesting of Restricted Stock Units on August 16, 2026

Recent shares sold 8,590 shares Sale of CS Disco common stock on May 18, 2026

Proceeds from recent sale $31,013.24 Aggregate proceeds from 8,590-share sale on May 18, 2026

Key Terms

Restricted Stock Units, Equity compensation, vesting

3 terms

Restricted Stock Units financial

"Vesting of Restricted Stock Units - See Remarks"

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.

Equity compensation financial

"08/16/2026 | Equity compensation"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

vesting financial

"08/16/2026 | Vesting of Restricted Stock Units"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What is disclosed in CS Disco (LAW) insider Melanie Antoon’s latest planned stock sale?

Melanie Antoon plans to sell 8,900 shares of CS Disco common stock on or after August 17, 2026 through Morgan Stanley Smith Barney LLC on the NYSE, according to a Rule 144 notice.

How many CS Disco (LAW) shares did Melanie Antoon receive from RSU vesting?

On August 16, 2026, Melanie Antoon acquired 20,538 shares of CS Disco common stock from the vesting of Restricted Stock Units as equity compensation, which are the source of the planned Rule 144 sale.

What CS Disco (LAW) stock has Melanie Antoon sold in the last three months?

In the prior three months, Melanie Antoon sold 8,590 shares of CS Disco common stock on May 18, 2026, for total proceeds of $31,013.24, as reported in the recent Rule 144 disclosure.

How large is Melanie Antoon’s planned CS Disco (LAW) sale relative to shares outstanding?

The planned sale of 8,900 shares is set against approximately 64,919,765 CS Disco shares outstanding, indicating the transaction represents a very small fraction of the company’s total common stock base.

Which broker is handling Melanie Antoon’s CS Disco (LAW) Rule 144 stock sale?

The planned sale of 8,900 CS Disco shares under Rule 144 will be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, NY.

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

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Available on EDGAR 08/17/2026 - 09:16 AM Accepted by SEC EDGAR 08/17/2026 - 09:16 AM 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	8900	35600	64919765	08/17/2026	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	08/16/2026	Vesting of Restricted Stock Units - See Remarks	Issuer			20538	08/16/2026	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	05/18/2026	8590	31013.24

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	08/17/2026
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)