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Reinstra Mark

Disclosed activity across 1 company

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20309
SEC CIK
0001835037

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Roblox CorpRBLX · Entity 1073Chief Legal Off. & Corp. Sec.October 05, 2026October 06, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Roblox Corp

Report date October 05, 2026 · Filed October 06, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect386,625 Last balance in matching sequence After 2026-10-05 transaction · row 2 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rows

Row 1 · 2026-10-05 · Sale · Disposed 3,000 · Balance 389,291

F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F2: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.36 to $44.25, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: 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.

Row 2 · 2026-10-05 · Sale · Disposed 2,666 · Balance 386,625

F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F4: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.39 to $44.72, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: 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.

Class A Common StockSEC Table I · non-derivativeIndirectSee footnote128,006 Reported balance Holding disclosure · report date 2026-10-05 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 128,006

F5: These shares are held directly by the San Domenico Trust dated August 12, 1999 for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership over the securities held by the trust.

Class A Common StockSEC Table I · non-derivativeIndirectSee footnote33,538 Reported balance Holding disclosure · report date 2026-10-05 · row 4 Holding and transaction disclosures are not merged.
1 source row

Row 4 · Balance 33,538

F6: These shares are held directly by the Mark L. Reinstra 2023 Annuity Trust for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

Class A Common StockSEC Table I · non-derivativeIndirectSee footnote33,538 Reported balance Holding disclosure · report date 2026-10-05 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 33,538

F8: These shares are held directly by the Susan P. Reinstra 2023 Annuity Trust for which the Reporting Person serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

Class A Common StockSEC Table I · non-derivativeIndirectSee Footnote12,786 Reported balance Holding disclosure · report date 2026-10-05 · row 5 Holding and transaction disclosures are not merged.
1 source row

Row 5 · Balance 12,786

F7: These shares are held directly by the Mark L. Reinstra 2022 Annuity Trust for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

Class A Common StockSEC Table I · non-derivativeIndirectSee Footnote12,786 Reported balance Holding disclosure · report date 2026-10-05 · row 7 Holding and transaction disclosures are not merged.
1 source row

Row 7 · Balance 12,786

F9: These shares are held directly by the Susan P. Reinstra 2022 Annuity Trust for which the Reporting Person serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

Filing footnotes · ownership attribution and instrument terms

F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F2: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.36 to $44.25, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: 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.

F4: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.39 to $44.72, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: These shares are held directly by the San Domenico Trust dated August 12, 1999 for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership over the securities held by the trust.

F6: These shares are held directly by the Mark L. Reinstra 2023 Annuity Trust for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

F7: These shares are held directly by the Mark L. Reinstra 2022 Annuity Trust for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

F8: These shares are held directly by the Susan P. Reinstra 2023 Annuity Trust for which the Reporting Person serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

F9: These shares are held directly by the Susan P. Reinstra 2022 Annuity Trust for which the Reporting Person serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 05, 2026 Filed Oct 6, 2026 20:25 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 2,666 $44.56 $118,789.76
Disclosure

SEC source: 0001315098-26-000188 · wk-form4_1791318329.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 386,625

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.39 to $44.72, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
October 05, 2026 Filed Oct 6, 2026 20:25 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 3,000 $43.88 $131,631.90
Disclosure

SEC source: 0001315098-26-000188 · wk-form4_1791318329.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 389,291

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.36 to $44.25, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 23:28 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 100 $45.73 $4,573.00
Disclosure

SEC source: 0001315098-26-000184 · wk-form4_1788996536.xml · nonDerivative · entry 3

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 392,291

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F3 · balance_after: 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.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 23:28 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 3,753 $45.03 $169,000.22
Disclosure

SEC source: 0001315098-26-000184 · wk-form4_1788996536.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 392,391

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.71 to $45.63, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 23:28 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 1,920 $44.30 $85,047.74
Disclosure

SEC source: 0001315098-26-000184 · wk-form4_1788996536.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 396,144

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.71 to $44.67, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 20:37 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 4,914 $38.45 $188,947.23
Disclosure

SEC source: 0001315098-26-000171 · wk-form4_1787603853.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 398,064

F1 · kind: Represents the number of shares sold to cover statutory tax withholding obligations arising in connection with the vesting of certain Restricted Stock Units ("RSUs"). These shares were sold pursuant to a mandatory "sell-to-cover" arrangement under the Issuer's equity incentive plan to satisfy tax withholding obligations and do not represent a discretionary transaction by the Reporting Person.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.275 to $38.98, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 20:37 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 13,020 $37.78 $491,839.61
Disclosure

SEC source: 0001315098-26-000171 · wk-form4_1787603853.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 402,978

F1 · kind: Represents the number of shares sold to cover statutory tax withholding obligations arising in connection with the vesting of certain Restricted Stock Units ("RSUs"). These shares were sold pursuant to a mandatory "sell-to-cover" arrangement under the Issuer's equity incentive plan to satisfy tax withholding obligations and do not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.26 to $38.22, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
August 19, 2026 Filed Aug 20, 2026 20:16 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 6,250 $40.00 $250,000.00
Disclosure

SEC source: 0001315098-26-000161 · wk-form4_1787257008.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 415,998

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F2 · balance_after: 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.

Read SEC document
July 06, 2026 Filed Jul 7, 2026 20:30 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 1,100 $57.94 $63,736.64
Disclosure

SEC source: 0001315098-26-000146 · wk-form4_1783456230.xml · nonDerivative · entry 3

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 422,248

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.75 to $58.15, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
July 06, 2026 Filed Jul 7, 2026 20:30 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 3,212 $57.24 $183,843.00
Disclosure

SEC source: 0001315098-26-000146 · wk-form4_1783456230.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 423,348

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.75 to $57.74, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
July 06, 2026 Filed Jul 7, 2026 20:30 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 200 $55.77 $11,154.00
Disclosure

SEC source: 0001315098-26-000146 · wk-form4_1783456230.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 426,560

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.35 to $56.19, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
June 08, 2026 Filed Jun 8, 2026 22:51 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 5,978 $41.71 $249,342.38
Disclosure

SEC source: 0001315098-26-000139 · wk-form4_1780959096.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 426,760

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F2 · balance_after: 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.

Read SEC document
May 21, 2026 Filed May 22, 2026 21:29 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 4,899 $46.46 $227,589.90
Disclosure

SEC source: 0001315098-26-000118 · wk-form4_1779485367.xml · nonDerivative · entry 4

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 432,738

F5 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F7 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.15 to $46.92, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
May 21, 2026 Filed May 22, 2026 21:29 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 561 $45.93 $25,766.84
Disclosure

SEC source: 0001315098-26-000118 · wk-form4_1779485367.xml · nonDerivative · entry 3

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 437,637

F5 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.15 to $46.145, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
May 20, 2026 Filed May 22, 2026 21:29 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 15,372 $45.38 $697,532.17
Disclosure

SEC source: 0001315098-26-000118 · wk-form4_1779485367.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 438,198

F1 · kind: Represents the number of shares sold to cover statutory tax withholding obligations arising in connection with the vesting of certain Restricted Stock Units ("RSUs") and Performance Stock Units ("PSUs"). These shares were sold pursuant to a mandatory "sell-to-cover" arrangement under the Issuer's equity incentive plan to satisfy tax withholding obligations and do not represent a discretionary transaction by the Reporting Person.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.92 to $45.89, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
May 20, 2026 Filed May 22, 2026 21:29 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 1,903 $44.48 $84,637.45
Disclosure

SEC source: 0001315098-26-000118 · wk-form4_1779485367.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 453,570

F1 · kind: Represents the number of shares sold to cover statutory tax withholding obligations arising in connection with the vesting of certain Restricted Stock Units ("RSUs") and Performance Stock Units ("PSUs"). These shares were sold pursuant to a mandatory "sell-to-cover" arrangement under the Issuer's equity incentive plan to satisfy tax withholding obligations and do not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.92 to $44.91, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
April 13, 2026 Filed Apr 15, 2026 22:27 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 100 $58.47 $5,847.00
Disclosure

SEC source: 0001315098-26-000089 · wk-form4_1776292039.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 455,473

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of the final tranche of performance stock units ("PSUs") granted on April 13, 2023. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F3 · balance_after: 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.

Read SEC document
April 13, 2026 Filed Apr 15, 2026 22:27 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 18,553 $57.94 $1,074,960.82
Disclosure

SEC source: 0001315098-26-000089 · wk-form4_1776292039.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 455,573

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of the final tranche of performance stock units ("PSUs") granted on April 13, 2023. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $57.43 to $58.42, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
March 01, 2026 Filed Mar 3, 2026 21:30 UTC Roblox Corp RBLX · Entity 1073 GrantPerformance Stock Unit · Derivative 104,236 $0.00 $0.00
Disclosure

SEC source: 0001315098-26-000066 · wk-form4_1772573406.xml · derivative · entry 7

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,236

Underlying: Class A Common Stock · 104,236 shares

Expires not disclosed

F9 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F10 · shares: Represents that maximum number of shares of Class A Common Stock which may be issued under this award.

F11 · derivative.exercise_date: The vesting of the performance stock units ("PSUs") is subject to satisfying performance-based requirements, including the achievement of certain Bookings and Covenant Adjusted EBITDA margin targets by the Issuer for two successive one-year periods beginning January 1, 2026 and a relative total shareholder return target by the Issuer during a two-year performance period from January 1, 2026 and December 31, 2027. Subject to continued service by the Reporting Person on the vesting date, 100% of the PSUs eligible to vest based on performance will vest following certification of performance results by our Leadership Development and Compensation Committee after the end of the two-year performance period on December 31, 2027.

F11 · derivative.expiration_date: The vesting of the performance stock units ("PSUs") is subject to satisfying performance-based requirements, including the achievement of certain Bookings and Covenant Adjusted EBITDA margin targets by the Issuer for two successive one-year periods beginning January 1, 2026 and a relative total shareholder return target by the Issuer during a two-year performance period from January 1, 2026 and December 31, 2027. Subject to continued service by the Reporting Person on the vesting date, 100% of the PSUs eligible to vest based on performance will vest following certification of performance results by our Leadership Development and Compensation Committee after the end of the two-year performance period on December 31, 2027.

F10 · derivative.underlying_shares: Represents that maximum number of shares of Class A Common Stock which may be issued under this award.

Read SEC document
March 01, 2026 Filed Mar 3, 2026 21:30 UTC Roblox Corp RBLX · Entity 1073 GrantClass A Common Stock 96,790 $0.00 $0.00
Disclosure

SEC source: 0001315098-26-000066 · wk-form4_1772573406.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 474,126

F1 · shares: 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. 1/12th of the RSUs shall vest on May 20, 2026 and 1/12th of the RSUs shall vest quarterly thereafter, subject to the Reporting Person continuing as a service provider through each such date.

F2 · balance_after: A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · balance_after: Includes 200 shares acquired by the Reporting Person on February 25, 2026 pursuant to the Issuer's 2020 Employee Stock Purchase Plan.

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February 20, 2026 Filed Feb 24, 2026 21:26 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 1,070 $62.69 $67,078.30
Disclosure

SEC source: 0001315098-26-000048 · wk-form4_1771968389.xml · nonDerivative · entry 3

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 377,136

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $62.50 to $63.01, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
February 20, 2026 Filed Feb 24, 2026 21:26 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 10,203 $61.89 $631,463.67
Disclosure

SEC source: 0001315098-26-000048 · wk-form4_1771968389.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 378,206

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $61.47 to $62.44, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
February 20, 2026 Filed Feb 24, 2026 21:26 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 5,913 $60.92 $360,219.96
Disclosure

SEC source: 0001315098-26-000048 · wk-form4_1771968389.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 388,409

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $60.47 to $61.45, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

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February 13, 2026 Filed Feb 19, 2026 14:15 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 60,000 $63.94 $3,836,484.00
Disclosure

SEC source: 0001315098-26-000038 · wk-form4_1771510545.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 394,322

F1 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $63.77 to $64.23, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · balance_after: 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.

Read SEC document
February 10, 2026 Filed Feb 11, 2026 23:57 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 2,615 $73.14 $191,254.04
Disclosure

SEC source: 0001315098-26-000034 · wk-form4_1770854243.xml · nonDerivative · entry 3

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 454,322

F4 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of performance stock units ("PSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $73.01 to $73.27, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
February 10, 2026 Filed Feb 11, 2026 23:57 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 31,705 $72.61 $2,302,220.53
Disclosure

SEC source: 0001315098-26-000034 · wk-form4_1770854243.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 456,937

F4 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of performance stock units ("PSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $72.01 to $73.00, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
February 09, 2026 Filed Feb 11, 2026 23:57 UTC Roblox Corp RBLX · Entity 1073 Exercise / conversionPerformance Stock Unit · Derivative 118,110 $0.00 $0.00
Disclosure

SEC source: 0001315098-26-000034 · wk-form4_1770854243.xml · derivative · entry 9

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 118,110 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F12 · derivative.exercise_date: The vesting of the performance stock units ("PSUs") was subject to satisfying both a performance-based requirement and a service-based requirement. The performance-based requirement was satisfied based on the achievement of certain cumulative Bookings and EBITDA targets by the Issuer between January 1, 2024 and December 31, 2025, as certified by the Issuer's Leadership Development and Compensation Committee on February 9, 2026. Following certification, 67% of the PSUs vested immediately on February 9, 2026. The remaining 33% of the PSUs will vest in approximately equal quarterly installments on May 20, 2026, August 20, 2026, November 20, 2026, and February 20, 2027, in each case subject to the Reporting Person's continued service.

F12 · derivative.expiration_date: The vesting of the performance stock units ("PSUs") was subject to satisfying both a performance-based requirement and a service-based requirement. The performance-based requirement was satisfied based on the achievement of certain cumulative Bookings and EBITDA targets by the Issuer between January 1, 2024 and December 31, 2025, as certified by the Issuer's Leadership Development and Compensation Committee on February 9, 2026. Following certification, 67% of the PSUs vested immediately on February 9, 2026. The remaining 33% of the PSUs will vest in approximately equal quarterly installments on May 20, 2026, August 20, 2026, November 20, 2026, and February 20, 2027, in each case subject to the Reporting Person's continued service.

Read SEC document
February 09, 2026 Filed Feb 11, 2026 23:57 UTC Roblox Corp RBLX · Entity 1073 Exercise / conversionClass A Common Stock 118,110 $0.00 $0.00
Disclosure

SEC source: 0001315098-26-000034 · wk-form4_1770854243.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 488,642

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Upon certification by the Issuer's Leadership Development and Compensation Committee on February 9, 2026 of the achievement of certain performance criteria, 79,132 performance stock units ("PSUs") vested. The remaining PSUs will vest on May 20, 2026 (9,745 PSUs), August 20, 2026 (9,744 PSUs), November 20, 2026 (9,744 PSUs), and February 20, 2027 (9,745 PSUs), in each case subject to the Reporting Person's continued service.

F2 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · balance_after: 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.

Read SEC document
November 20, 2025 Filed Nov 25, 2025 01:32 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 2,130 $97.07 $206,759.10
Disclosure

SEC source: 0001315098-25-000342 · wk-form4_1764034351.xml · nonDerivative · entry 5

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 370,532

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F7 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $96.87 to $97.49, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
November 20, 2025 Filed Nov 25, 2025 01:32 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 3,960 $96.21 $380,991.60
Disclosure

SEC source: 0001315098-25-000342 · wk-form4_1764034351.xml · nonDerivative · entry 4

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 372,662

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $95.83 to $96.77, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
November 20, 2025 Filed Nov 25, 2025 01:32 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 4,995 $95.30 $476,023.50
Disclosure

SEC source: 0001315098-25-000342 · wk-form4_1764034351.xml · nonDerivative · entry 3

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 376,622

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $94.82 to $95.79, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
November 20, 2025 Filed Nov 25, 2025 01:32 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 2,901 $94.30 $273,564.30
Disclosure

SEC source: 0001315098-25-000342 · wk-form4_1764034351.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 381,617

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $93.76 to $94.74, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
November 20, 2025 Filed Nov 25, 2025 01:32 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 2,796 $93.36 $261,034.56
Disclosure

SEC source: 0001315098-25-000342 · wk-form4_1764034351.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 384,518

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $92.74 to $93.70, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

Read SEC document
November 05, 2025 Filed Nov 7, 2025 22:18 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 2,401 $104.60 $251,144.60
Disclosure

SEC source: 0001315098-25-000331 · wk-form4_1762553905.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 387,314

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on August 06, 2025.

F2 · balance_after: 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.

Read SEC document
September 30, 2025 Filed Sep 30, 2025 20:01 UTC Roblox Corp RBLX · Entity 1073 GrantClass A Common Stock 16,046 $0.00 $0.00
Disclosure

SEC source: 0001315098-25-000308 · wk-form4_1759262477.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 389,715

F1 · shares: 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. 1/12th of the RSUs shall vest on November 20, 2025 and 1/12th of the RSUs shall vest quarterly thereafter, subject to the Reporting Person continuing as a service provider through each such date.

F2 · balance_after: A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 20:14 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 3,445 $118.69 $408,891.18
Disclosure

SEC source: 0001315098-25-000286 · wk-form4_1755893684.xml · nonDerivative · entry 4

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 373,669

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $118.48 to $119.07, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 20:14 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 6,271 $118.04 $740,237.62
Disclosure

SEC source: 0001315098-25-000286 · wk-form4_1755893684.xml · nonDerivative · entry 3

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 377,114

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $117.48 to $118.47, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 20:14 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 4,868 $117.05 $569,792.58
Disclosure

SEC source: 0001315098-25-000286 · wk-form4_1755893684.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 383,385

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $116.46 to $117.42, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 20:14 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 1,236 $115.96 $143,321.25
Disclosure

SEC source: 0001315098-25-000286 · wk-form4_1755893684.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 388,253

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $115.39 to $116.35, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Read SEC document
August 05, 2025 Filed Aug 7, 2025 20:04 UTC Roblox Corp RBLX · Entity 1073 GiftClass A Common Stock 2,500 $0.00 $0.00
Disclosure

SEC source: 0001315098-25-000268 · wk-form4_1754597053.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 116,630

F1 · shares: The shares reported in this transaction represent a gift to a Donor Advised Fund.

F2 · balance_after: On August 05, 2025, the Reporting Person transferred 1,829 shares of the Issuer's Class A Common Stock from the Susan P. Reinstra 2022 Annuity Trust and 1,829 shares of Class A Common Stock from the Mark L. Reinstra 2022 Annuity Trust to the San Domenico Trust dated August 12, 1999.

F3 · ownership.nature: These shares are held directly by the San Domenico Trust dated August 12, 1999 for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership over the securities held by the trust.

Read SEC document
June 16, 2025 Filed Jun 18, 2025 20:26 UTC Roblox Corp RBLX · Entity 1073 Exercise / conversionStock Option (Right to Buy) · Derivative 150,000 $0.00 Strike: $3.41 $0.00
Disclosure

SEC source: 0001315098-25-000205 · wk-form4_1750278371.xml · derivative · entry 8

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,528

Underlying: Class A Common Stock · 150,000 shares

Expires 2029-12-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F9 · derivative.exercise_date: All of the shares subject to the option are fully vested and exercisable as of the date hereof.

Read SEC document
June 16, 2025 Filed Jun 18, 2025 20:26 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 150,000 $99.75 $14,962,365.00
Disclosure

SEC source: 0001315098-25-000205 · wk-form4_1750278371.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 389,489

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 20, 2025.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $99.50 to $100.17, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · balance_after: 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.

Read SEC document
June 16, 2025 Filed Jun 18, 2025 20:26 UTC Roblox Corp RBLX · Entity 1073 Exercise / conversionClass A Common Stock 150,000 $3.41 $510,750.00
Disclosure

SEC source: 0001315098-25-000205 · wk-form4_1750278371.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 539,489

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 20, 2025.

F2 · balance_after: 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.

Read SEC document
May 27, 2025 Filed May 29, 2025 20:58 UTC Roblox Corp RBLX · Entity 1073 Exercise / conversionStock Option (Right to Buy) · Derivative 50,000 $0.00 Strike: $3.41 $0.00
Disclosure

SEC source: 0001315098-25-000161 · wk-form4_1748552280.xml · derivative · entry 8

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 181,528

Underlying: Class A Common Stock · 50,000 shares

Expires 2029-12-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F9 · derivative.exercise_date: All of the shares subject to the option are fully vested and exercisable as of the date hereof.

Read SEC document
May 27, 2025 Filed May 29, 2025 20:58 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 50,000 $84.64 $4,232,025.00
Disclosure

SEC source: 0001315098-25-000161 · wk-form4_1748552280.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 389,489

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 20, 2025.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $84.50 to $84.78, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F1 · balance_after: 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.

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May 27, 2025 Filed May 29, 2025 20:58 UTC Roblox Corp RBLX · Entity 1073 Exercise / conversionClass A Common Stock 50,000 $3.41 $170,250.00
Disclosure

SEC source: 0001315098-25-000161 · wk-form4_1748552280.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 439,489

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: 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.

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May 20, 2025 Filed May 22, 2025 21:48 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 1,203 $81.23 $97,719.69
Disclosure

SEC source: 0001315098-25-000147 · wk-form4_1747950522.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 389,489

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $81.08 to $81.37, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

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May 20, 2025 Filed May 22, 2025 21:48 UTC Roblox Corp RBLX · Entity 1073 SaleClass A Common Stock 14,649 $80.61 $1,180,855.89
Disclosure

SEC source: 0001315098-25-000147 · wk-form4_1747950522.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 390,692

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $80.08 to $81.06, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: 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.

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March 07, 2025 Filed Mar 11, 2025 23:15 UTC Roblox Corp RBLX · Entity 1073 GrantPerformance Stock Unit · Derivative 87,912 $0.00 $0.00
Disclosure

SEC source: 0001315098-25-000084 · wk-form4_1741734909.xml · derivative · entry 7

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,912

Underlying: Class A Common Stock · 87,912 shares

Expires not disclosed

F9 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F10 · shares: Represents that maximum number of shares of Class A Common Stock which may be issued under this award.

F11 · derivative.exercise_date: The vesting of the performance stock units ("PSUs") is subject to satisfying both a performance-based requirement and a service-based requirement. The performance-based requirement is satisfied based on the achievement of certain cumulative Bookings and EBITDA targets by the Issuer between January 1, 2025 and December 31, 2026. Subject to continued service by the Reporting Person on each vesting date, 67% of the PSUs eligible to vest based on performance will vest following certification of performance results by our Leadership Development and Compensation Committee within 60 days following December 31, 2026 and the remaining 33% of the PSUs eligible to vest based on performance will vest in approximately equal quarterly installments thereafter on each of May 20, 2027, August 20, 2027, November 20, 2027, and February 20, 2028, subject to continued service.

F11 · derivative.expiration_date: The vesting of the performance stock units ("PSUs") is subject to satisfying both a performance-based requirement and a service-based requirement. The performance-based requirement is satisfied based on the achievement of certain cumulative Bookings and EBITDA targets by the Issuer between January 1, 2025 and December 31, 2026. Subject to continued service by the Reporting Person on each vesting date, 67% of the PSUs eligible to vest based on performance will vest following certification of performance results by our Leadership Development and Compensation Committee within 60 days following December 31, 2026 and the remaining 33% of the PSUs eligible to vest based on performance will vest in approximately equal quarterly installments thereafter on each of May 20, 2027, August 20, 2027, November 20, 2027, and February 20, 2028, subject to continued service.

F10 · derivative.underlying_shares: Represents that maximum number of shares of Class A Common Stock which may be issued under this award.

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March 07, 2025 Filed Mar 11, 2025 23:15 UTC Roblox Corp RBLX · Entity 1073 GrantClass A Common Stock 81,634 $0.00 $0.00
Disclosure

SEC source: 0001315098-25-000084 · wk-form4_1741734909.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405,341

F1 · shares: 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. 1/12th of the RSUs shall vest on May 20, 2025 and 1/12th of the RSUs shall vest quarterly thereafter, subject to the Reporting Person continuing as a service provider through each such date.

F2 · balance_after: 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.

F3 · balance_after: Includes 933 shares acquired by the Reporting Person on February 25, 2025 pursuant to the Issuer's 2020 Employee Stock Purchase Plan.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.