Baszucki, Greg & Trust file 10b5-1 sales for RBLX (RBLX)

Rhea-AI Filing Summary

RBLX-related holders reported proposed sales of 8,333 shares each under Rule 144. The filing lists multiple 10b5-1 sale entries dated 04/01/2026 and 05/05/2026, with cash amounts shown such as $482,920.68 and $374,711.68. The cover line shows a record with 06/01/2026 and a dollar figure $392,900.95.

The notices identify 10b5-1 sales by Greg Baszucki and by the "Greg and Christina Baszucki Living Trust" and indicate the securities were Common shares acquired in a private acquisition from the issuer or an affiliate on 01/29/2008.

Insights

Securities Counsel

Notices report Rule 144 sales and prior 10b5-1 transactions by Baszucki-related holders.

The filing lists proposed or completed sales of 8,333 shares per entry with corresponding cash figures such as $482,920.68 and $374,711.68, dated 04/01/2026 and 05/05/2026. It also records an acquisition date of 01/29/2008.

These entries reflect standard Rule 144/10b5-1 disclosure mechanics; cash‑flow treatment and exact disposition mechanics are limited to the listed rows and dates. Subsequent filings or broker confirmations would show final settlement details.

Key Figures

Proposed shares per entry: 8,333 shares Sale proceeds example: $482,920.68 Sale proceeds example: $374,711.68 +3 more

6 metrics

Proposed shares per entry 8,333 shares Listed per sale entry

Sale proceeds example $482,920.68 10b5-1 sale dated 04/01/2026

Sale proceeds example $374,711.68 10b5-1 sale dated 05/05/2026

Acquisition date 01/29/2008 Private acquisition from issuer or an affiliate

Cover-line date 06/01/2026 Record date shown on cover line

Cover-line dollar figure $392,900.95 Amount shown on cover line (06/01/2026)

Key Terms

10b5-1 Sales, Rule 144, Private Acquisition from Issuer or an Affiliate, Living Trust

4 terms

10b5-1 Sales regulatory

"10b5-1 Sales for GREG BASZUCKI ... 05/05/2026"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Rule 144 regulatory

"144: Securities To Be Sold"

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.

Private Acquisition from Issuer or an Affiliate regulatory

"Private Acquisition from Issuer or an Affiliate | Issuer"

Living Trust other

"GREG AND CHRISTINA BASZUCKI LIV TR"

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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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	8333	392900.95	671595792	06/01/2026	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	01/29/2008	Private Acquisition from Issuer or an Affiliate	Issuer			8333	01/29/2008	Cash

* 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 GREG BASZUCKI 3150 South Delaware Street San Mateo CA 94403	Common	05/05/2026	8333	374711.68
10b5-1 Sales for GREG AND CHRISTINA BASZUCKI LIV TR 3150 South Delaware Street San Mateo CA 94403	Common	05/05/2026	8333	374711.68
10b5-1 Sales for GREG BASZUCKI 3150 South Delaware Street San Mateo CA 94403	Common	04/01/2026	8333	482920.68
10b5-1 Sales for GREG AND CHRISTINA BASZUCKI LIV TR 3150 South Delaware Street San Mateo CA 94403	Common	04/01/2026	8333	482920.68

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 does the RBLX Form 144 disclose about shares being sold?

The filing discloses proposed or reported sales of 8,333 shares per listed entry. It shows 10b5-1 sale dates of 04/01/2026 and 05/05/2026 with cash figures such as $482,920.68 and $374,711.68.

Who are the sellers named in the RBLX Form 144 excerpt?

The excerpt names Greg Baszucki and the Greg and Christina Baszucki Living Trust as parties associated with the 10b5-1 sales recorded on 04/01/2026 and 05/05/2026.

When were the reported shares originally acquired according to the filing?

The filing shows the shares were acquired on 01/29/2008 in a "Private Acquisition from Issuer or an Affiliate." This acquisition date is listed in the securities information section.

What cash amounts appear in the Form 144 excerpt for these sales?

The excerpt lists cash figures including $482,920.68, $374,711.68, and a cover-line amount of $392,900.95. Each corresponds to specific sale entries dated in 2026.