Roblox (NYSE: RBLX) HR chief sells 4,744 shares under 10b5-1 plan

Rhea-AI Filing Summary

Roblox Corp executive Sean Jack Buckley, Chief People & Systems Officer, sold 4,744 shares of Class A Common Stock in an open-market transaction at $46.36 per share on May 22, 2026. After this pre-planned Rule 10b5-1 trade, he directly holds 97,141 shares. A portion of his holdings consists of restricted stock units that each convert into one share.

Insider Trade Summary 10b5-1

Net Seller: 4,744 shares ($219,932)

Net Sell 1 txn

Insider BUCKLEY SEAN JACK

Role Chief People & Systems Officer

Sold 4,744 shs ($220K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	4,744	$46.36	$220K

Holdings After Transaction: Class A Common Stock — 97,141 shares (Direct, null)

Footnotes (1)

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 3, 2025. A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Key Figures

Shares sold: 4,744 shares Sale price per share: $46.36 per share Shares held after transaction: 97,141 shares +2 more

5 metrics

Shares sold 4,744 shares Open-market sale on May 22, 2026

Sale price per share $46.36 per share Class A Common Stock transaction

Shares held after transaction 97,141 shares Direct holdings following Form 4 sale

Net buy/sell direction Net sale of 4,744 shares Transaction summary shows net-sell

Transaction count 1 sale transaction Non-derivative open-market sale reported

Key Terms

Rule 10b5-1 Plan, Restricted Stock Units ("RSUs"), Class A Common Stock, open-market sale, +1 more

5 terms

Rule 10b5-1 Plan regulatory

"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

Restricted Stock Units ("RSUs") financial

"A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

Class A Common Stock financial

"security_title": "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BUCKLEY SEAN JACK

(Last) (First) (Middle)

C/O ROBLOX CORPORATION

3150 S. DELAWARE ST.

(Street)

SAN MATEO CALIFORNIA 94403

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Roblox Corp [ RBLX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief People & Systems Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	05/22/2026		S(1)		4,744	D	$46.36	97,141(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 3, 2025.

2. A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Remarks:

	/s/ Mark Reinstra Attorney-in-Fact for Sean Jack Buckley	05/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Roblox (RBLX) report for Sean Jack Buckley?

Roblox reported that Chief People & Systems Officer Sean Jack Buckley sold 4,744 shares of Class A Common Stock. The sale was an open-market transaction at $46.36 per share and was executed under a previously adopted Rule 10b5-1 trading plan.

How many Roblox (RBLX) shares does Sean Jack Buckley hold after this Form 4 sale?

Following the reported sale, Sean Jack Buckley directly holds 97,141 shares of Roblox Class A Common Stock. This figure reflects his position after disposing of 4,744 shares in the May 22, 2026 open-market transaction disclosed in the Form 4.

Was the Roblox (RBLX) insider sale by Sean Jack Buckley under a Rule 10b5-1 plan?

Yes. The filing notes the sales were effected pursuant to a Rule 10b5-1 Plan adopted by Sean Jack Buckley on November 3, 2025. Such pre-arranged plans schedule trades in advance, helping separate routine diversification from discretionary market-timed transactions.

What price did Sean Jack Buckley receive for his Roblox (RBLX) shares?

The Form 4 shows that Sean Jack Buckley sold 4,744 Roblox Class A shares at an average price of $46.36 per share. This price reflects the consideration per share for the open-market or private transaction reported on May 22, 2026.

Does Sean Jack Buckley’s Roblox (RBLX) position include restricted stock units (RSUs)?

Yes. A footnote explains that a portion of his securities are Restricted Stock Units, or RSUs. Each RSU represents a contingent right to receive one share of Roblox’s Class A Common Stock, typically upon vesting and satisfaction of applicable service or performance conditions.