Roblox Corp (RBLX) Insider Ownership

Historic Insider Ownership Trends

As of May 23, 2026, the three largest insider holders of RBLX are Ventures Management Inc. Altos (TenPercentOwner, 16.69Mn shares), Hodong Nam (TenPercentOwner, 4.22Mn shares), David Baszucki (President Ceo, 3.49Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Jason Kilar - 17,289 0 24 Nov, 2025
Gina Mastantuono - 15,498 0 24 Feb, 2026
Andrea L Wong - 0 44,702 26 Feb, 2026
Dennis M Durkin - 3,524 0 23 Mar, 2026
Naveen K. Chopra Chief Financial Officer 397,621 0 03 Mar, 2026
Michael Guthrie Chief Financial Officer 492,266 0 09 Jun, 2025
Barbara Messing Cmktg Communications Officer 234,241 0 24 Nov, 2023
Hybrid 2, L.P. Altos - 327,650 408,061 29 Nov, 2021
Ventures Iv Reserve Fund, L.P. Altos - 613,286 0 23 Nov, 2021
Ventures Iv Liquidity Fund, L.P. Altos - 0 3,285,501 19 Jul, 2023
Ventures Iv, L.P. Altos - 0 428,996 08 Dec, 2023
Anthony P Lee - 0 289,875 20 Aug, 2024
Christopher Carvalho - 986,913 0 18 Jun, 2025
Gregory Baszucki - 0 1,302,834 02 Apr, 2026
David Baszucki President Ceo 0 3,493,765 03 Apr, 2026
Craig Donato Chief Business Officer 1,227,229 0 25 May, 2023
Mark Reinstra Chief Legal Off. Corp. Sec. 455,473 0 15 Apr, 2026
Brett Tolley Principal Accounting Officer 7,654 0 24 Feb, 2022
Daniel Sturman Chief Technology Officer 469,320 0 22 May, 2024
Hodong Nam - 0 4,222,851 01 May, 2024
Han Kim - 0 3,284,862 29 Nov, 2023
Manuel Bronstein Chief Product Officer 443,222 0 22 Aug, 2025
Amy Marie Rawlings Chief Accounting Officer 38,133 0 20 Apr, 2026
Ventures Management Inc. Altos - 0 16,690,572 12 Nov, 2021
Deepika Gupta Principal Accounting Officer 21,443 0 25 May, 2022
Arvind Chakravarthy Chief People Systems Officer 177,589 0 24 Feb, 2026
Matthew D Kaufman Chief Safety Officer 364,320 0 15 Apr, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
17 Apr, 2026 Amy Marie Rawlings Class A Common Stock A 5,228 $0.00 38,133 D A
13 Apr, 2026 Matthew D Kaufman Class A Common Stock D 13,225 $57.94 364,420 D S
13 Apr, 2026 Mark Reinstra Class A Common Stock D 18,553 $57.94 455,573 D S
13 Apr, 2026 Matthew D Kaufman Class A Common Stock D 100 $58.45 364,320 D S
13 Apr, 2026 Mark Reinstra Class A Common Stock D 100 $58.47 455,473 D S
02 Apr, 2026 David Baszucki Class A Common Stock A 2,687,511 $0.00 3,493,765 I C
02 Apr, 2026 David Baszucki Class B Common Stock D 2,687,511 $0.00 19,194,993 I C
01 Apr, 2026 Gregory Baszucki Class A Common Stock D 4,923 $57.70 8,981,240 I S
01 Apr, 2026 Gregory Baszucki Class A Common Stock D 3,410 $58.31 8,977,830 I S
01 Apr, 2026 Gregory Baszucki Class A Common Stock D 4,924 $57.70 1,306,243 I S
01 Apr, 2026 Gregory Baszucki Class A Common Stock D 3,409 $58.31 1,302,834 I S
19 Mar, 2026 Dennis M Durkin Restricted Stock Unit A 2,728 $0.00 2,728 D A
19 Mar, 2026 Dennis M Durkin Restricted Stock Unit A 796 $0.00 3,524 D A
27 Feb, 2026 Gregory Baszucki Class A Common Stock D 5,781 $68.62 8,988,715 I S
01 Mar, 2026 David Baszucki Class A Common Stock A 102,303 $0.00 902,842 D A
01 Mar, 2026 Naveen K. Chopra Class A Common Stock A 73,299 $0.00 397,621 D A
01 Mar, 2026 Mark Reinstra Class A Common Stock A 96,790 $0.00 474,126 D A
01 Mar, 2026 Matthew D Kaufman Class A Common Stock A 85,609 $0.00 377,645 D A
27 Feb, 2026 Gregory Baszucki Class A Common Stock D 2,002 $69.60 8,986,713 I S
01 Mar, 2026 Matthew D Kaufman Performance Stock Unit A 92,194 $0.00 92,194 D A