Planned sale of 46,062 RBLX shares disclosed in Form 144

A holder of RBLX common stock filed a notice of proposed sale for 46,062 shares through Morgan Stanley Smith Barney on the NYSE, with an aggregate market value of $3,492,881.46.

Rhea-AI Filing Summary

A holder of RBLX common stock filed a notice of proposed sale for 46,062 shares through Morgan Stanley Smith Barney on the NYSE, with an aggregate market value of $3,492,881.46. These shares are described as founders shares originally acquired from the issuer on 04/06/2004.

The filing notes that there were 654,855,044 common shares outstanding and that the seller plans to execute the transaction around 01/07/2026. It also lists recent Rule 10b5-1 sales over the prior three months by related parties, including THE BASZUCKI FAMILY FOUNDATION, THE FREEDOM REVOCABLE TRUST, and DAVID BASZUCKI, with individual transactions ranging from 10,584 to 46,062 shares and gross proceeds between roughly $1.0 million and $4.8 million.

FAQ

How many RBLX shares are proposed to be sold in this Form 144 filing?

The notice covers a proposed sale of 46,062 shares of RBLX common stock, to be sold through Morgan Stanley Smith Barney on the NYSE.

What is the market value of the RBLX shares covered by this Form 144?

The 46,062 RBLX common shares covered by this notice have an aggregate market value of $3,492,881.46 as stated in the filing.

When were the RBLX shares in this Form 144 originally acquired?

The shares are described as founders shares acquired from the issuer on 04/06/2004, with the same date listed for payment.

How many RBLX shares were outstanding according to this Form 144?

The filing reports that 654,855,044 shares of RBLX common stock were outstanding at the time referenced in the notice.

What recent 10b5-1 sales related to RBLX are disclosed in the Form 144?

The notice lists recent common stock sales under 10b5-1 plans for THE BASZUCKI FAMILY FOUNDATION and THE FREEDOM REVOCABLE TRUST, as well as sales by DAVID BASZUCKI, including transactions of 46,062, 20,834, 22,688, and 10,584 shares on various dates in November and December 2025.

On which exchange will the RBLX shares in this Form 144 be sold?

The filing specifies that the 46,062 common shares are intended to be sold on the NYSE through Morgan Stanley Smith Barney LLC Executive Financial Services.

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Accepted by SEC EDGAR 01/07/2026 - 04:27 PM 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	0001834991
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 Corporation
SEC File Number	001-39763
Address of Issuer	3150 South Delaware Street San Mateo CALIFORNIA 94403
Phone	8888582569
Name of Person for Whose Account the Securities are To Be Sold	THE BASZUCKI FAMILY FOUNDATION
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	Director
Relationship to Issuer	Officer
Relationship to Issuer	10% Stockholder

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	46062	3492881.46	654855044	01/07/2026	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	04/06/2004	Founders Shares	Issuer			46062	04/06/2004	N/A

* 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
10b5-1 Sales for THE BASZUCKI FAMILY FOUNDATION 3150 South Delaware Street San Mateo CA 94403	Common	12/18/2025	46062	3902718.11
10b5-1 Sales for THE FREEDOM REVOCABLE TRUST 3150 South Delaware Street San Mateo CA 94403	Common	12/18/2025	20834	1765212.74
DAVID BASZUCKI 3150 South Delaware Street San Mateo CA 94403	Common	12/18/2025	22688	1937555.20
DAVID BASZUCKI 3150 South Delaware Street San Mateo CA 94403	Common	11/20/2025	10584	1008013.01
DAVID BASZUCKI 3150 South Delaware Street San Mateo CA 94403	Common	11/12/2025	22688	2358871.36
10b5-1 Sales for THE BASZUCKI FAMILY FOUNDATION 3150 South Delaware Street San Mateo CA 94403	Common	11/11/2025	46062	4815081.96
10b5-1 Sales for THE FREEDOM REVOCABLE TRUST 3150 South Delaware Street San Mateo CA 94403	Common	11/11/2025	20834	2177878.02

144: Remarks and Signature

Remarks
Date of Notice	01/07/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/06/2025
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/ David Baszucki
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)