Roblox (RBLX) insider Mark Reinstra plans 16,782-share stock sale

Rhea-AI Filing Summary

Roblox Corp (RBLX) insider Mark Reinstra filed a Form 144 notice to sell 16,782 shares of common stock through broker Charles Schwab & Co., Inc., with an aggregate market value of $1,598,368 and 654,855,044 shares outstanding, naming the NYSE as the exchange and an approximate sale date of November 20, 2025.

The shares to be sold were acquired on November 20, 2025 via a restricted stock lapse treated as equity compensation from Roblox Corp. Over the past three months, Mark Reinstra reported selling Roblox Corp securities in two transactions: 15,820 shares on August 20, 2025 for gross proceeds of $1,862,243 and 2,401 shares on November 5, 2025 for gross proceeds of $251,145.

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	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	16782	1598368.00	654855044	11/20/2025	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	11/20/2025	Restricted Stock Lapse - See Remarks	ROBLOX CORP			16782	11/20/2025	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
MARK REINSTRA 3150 SOUTH DELAWARE STREET SAN MATEO CA 94403	ROBLOX CORP	08/20/2025	15820	1862243.00
MARK REINSTRA 3150 SOUTH DELAWARE STREET SAN MATEO CA 94403	ROBLOX CORP	11/05/2025	2401	251145.00

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 did Roblox (RBLX) insider Mark Reinstra file on Form 144?

Mark Reinstra filed a Form 144 notice indicating his intention to sell 16,782 shares of Roblox Corp common stock through Charles Schwab & Co., Inc. on the NYSE.

How many Roblox (RBLX) shares is the insider planning to sell and what is the value?

The notice covers 16,782 shares of Roblox Corp common stock with an aggregate market value of $1,598,368, as stated in the filing.

How and when did the Roblox (RBLX) insider acquire the shares being sold?

The shares to be sold are classified as Common stock acquired on November 20, 2025 via a Restricted Stock Lapse described as Equity Compensation from Roblox Corp.

What prior Roblox (RBLX) stock sales has Mark Reinstra reported in the last 3 months?

In the past three months, Mark Reinstra reported selling Roblox securities in two transactions: 15,820 shares on August 20, 2025 for $1,862,243 in gross proceeds and 2,401 shares on November 5, 2025 for $251,145 in gross proceeds.

On which exchange and through which broker will the Roblox (RBLX) shares be sold?

The Form 144 states that the Roblox Corp common shares are to be sold on the NYSE through broker Charles Schwab & Co., Inc., based in Westlake, Texas.

How many Roblox (RBLX) shares were outstanding as referenced in the Form 144?

The filing notes that the number of Roblox Corp shares outstanding is 654,855,044, providing a baseline for the company’s share count.