Roblox officer plans $213K stock sale for taxes

Roblox Corp (RBLX) officer Sean Jack Buckley filed a notice of proposed sale of company stock under Rule 144.

Rhea-AI Filing Summary

Roblox Corp (RBLX) officer Sean Jack Buckley filed a notice of proposed sale of company stock under Rule 144. The notice covers a planned sale of 5,607 shares of Roblox common stock on August 20, 2026, with an indicated aggregate market value of $212,900.00. The shares relate to equity compensation, and Buckley notes that sales are to cover tax obligations from the settlement of vested Restricted Stock Units.

The filing also reports prior sales in the last three months: 5,666 shares for $256,501.00 on May 20, 2026, and 4,744 shares for $219,932.00 on May 22, 2026.

Key Figures

Shares proposed to be sold: 5,607 shares Proposed sale aggregate market value: $212,900.00 Shares sold on May 20, 2026: 5,666 shares +4 more

7 metrics

Shares proposed to be sold 5,607 shares Roblox Corp common stock planned sale on August 20, 2026

Proposed sale aggregate market value $212,900.00 Indicated aggregate market value for 5,607 shares

Shares sold on May 20, 2026 5,666 shares Roblox Corp common stock sold during past three months

Proceeds May 20, 2026 $256,501.00 Aggregate sale price for 5,666 shares

Shares sold on May 22, 2026 4,744 shares Roblox Corp common stock sold during past three months

Proceeds May 22, 2026 $219,932.00 Aggregate sale price for 4,744 shares

Date of Notice 08/20/2026 Filing date of Form 144 notice for proposed sale

Key Terms

Rule 144, Restricted Stock Units, Equity Compensation, Restricted Stock Lapse

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Units financial

"Shares sold to cover tax obligation from settlement of vested Restricted Stock Units."

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

"5607 | 08/20/2026 | 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.

Restricted Stock Lapse financial

"Restricted Stock Lapse - See Remarks"

FAQ

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

What does the latest Form 144 filing disclose for Roblox Corp (RBLX)?

It discloses that officer Sean Jack Buckley intends to sell 5,607 shares of Roblox Corp common stock on August 20, 2026 under Rule 144, with an indicated aggregate market value of $212,900.00, tied to equity compensation and tax obligations.

How many Roblox (RBLX) shares is Sean Jack Buckley proposing to sell?

Sean Jack Buckley is proposing to sell 5,607 shares of Roblox Corp common stock, with an indicated aggregate market value of $212,900.00, as disclosed in the Form 144 notice dated August 20, 2026.

What prior Roblox (RBLX) stock sales did Sean Jack Buckley report in the last three months?

He reported two prior sales: 5,666 shares for $256,501.00 on May 20, 2026, and 4,744 shares for $219,932.00 on May 22, 2026, both of Roblox Corp common stock.

Why are the proposed Roblox (RBLX) share sales being made by Sean Jack Buckley?

The remarks state that the shares are being sold to cover tax obligation arising from the settlement of vested Restricted Stock Units granted as equity compensation by Roblox Corp.

Under which rule is the Roblox (RBLX) stock sale by Sean Jack Buckley being filed?

The sale is being filed under Rule 144, which governs the public resale of restricted and control securities, as indicated by the Form 144 notice for Roblox Corp.

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

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Available on EDGAR 08/20/2026 - 04:51 PM EDT Accepted by SEC EDGAR 08/20/2026 - 04:50 PM EDT 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	0002122649
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	Roblox Corp
SEC File Number	001-39763
Address of Issuer	3150 SOUTH DELAWARE STREET SAN MATEO CALIFORNIA 94403
Phone	(888) 858-2569
Name of Person for Whose Account the Securities are To Be Sold	BUCKLEY SEAN JACK
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	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	5607	212900.00	669992988	08/20/2026	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	08/20/2026	Restricted Stock Lapse - See Remarks	ROBLOX CORP			5607	08/20/2026	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
SEAN JACK BUCKLEY 3150 SOUTH DELAWARE STREET SAN MATEO CA 94403	Roblox Corp	05/20/2026	5666	256501.00
SEAN JACK BUCKLEY 3150 SOUTH DELAWARE STREET SAN MATEO CA 94403	Roblox Corp	05/22/2026	4744	219932.00

144: Remarks and Signature

Remarks	Shares sold to cover tax obligation from settlement of vested Restricted Stock Units.
Date of Notice	08/20/2026
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	SEAN JACK BUCKLEY
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)