Quick Takeaways
- RBLX - Roblox Corp has 29 insiders with reported activity on this page.
- Net insider value flow over the last year: -$919,800,414.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 29 Insiders of Roblox Corp
- Symbol
- RBLX on NYSE
- Location
- San Mateo, CA
What Changed
- Buy value: ; sell value: $919,800,413.
- Net share flow: -10,681,566.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$919,800,414.
Buys
$0
Shares: 0
Insiders: 0
Sells
$919,800,414
Shares: 10,681,566
Insiders: 12
Net
-$919,800,414
Shares: -10,681,566
Insiders: -12
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 613,738 | $0 | $42,613,199 | -$42,613,199 |
| 3-6 | 0 | 497,300 | $0 | $45,714,022 | -$45,714,022 |
| 6-9 | 0 | 441,725 | $0 | $56,396,279 | -$56,396,279 |
| 9-12 | 0 | 9,128,803 | $0 | $775,076,914 | -$775,076,914 |
Roblox Corp executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| David Baszucki | President & CEO, Director, 10%+ Owner | $2,048,575,100 | -$655,828,418 | -24% | Mixed | 02 Apr 2026 |
| Index Ventures Growth III (Jersey), L.P. | 10%+ Owner | $1,898,930,825 | Mixed | 10 Mar 2021 | ||
| Altos Ventures IV Reserve Fund, L.P. | 10%+ Owner | $667,582,842 | Mixed | 19 Nov 2021 | ||
| Hodong Nam | 10%+ Owner | $154,809,718 | Mixed | 24 Apr 2024 | ||
| Altos Ventures IV Liquidity Fund, L.P. | 10%+ Owner | $126,754,629 | Mixed | 17 Jul 2023 | ||
| Han Kim | 10%+ Owner | $126,729,976 | Mixed | 27 Nov 2023 | ||
| Christopher Carvalho | Director | $112,395,274 | -$8,593,669 | -7.1% | Mixed | 16 Jun 2025 |
| Gregory Baszucki | Director | $76,812,319 | -$72,343,566 | -49% | Mixed | 01 Apr 2026 |
| Manuel Bronstein | Chief Product Officer | $64,527,418 | -$23,163,235 | -26% | Mixed | 20 Aug 2025 |
| Michael J. Guthrie | Chief Financial Officer | $56,889,225 | -$10,115,202 | -15% | Mixed | 05 Jun 2025 |
| Craig Donato | Chief Business Officer | $48,889,695 | Mixed | 24 May 2023 | ||
| Mark Reinstra | Chief Legal Off. & Corp. Sec. | $38,843,820 | -$31,573,446 | -45% | Mixed | 01 Mar 2026 |
| Altos Hybrid 2, L.P. | 10%+ Owner | $28,383,730 | Mixed | 24 Nov 2021 | ||
| Naveen K. Chopra | Chief Financial Officer | $26,409,986 | -$2,633,137 | -9.1% | Mixed | 01 Mar 2026 |
| Matthew D. Kaufman | Chief Safety Officer | $25,083,180 | -$17,072,006 | -40% | Mixed | 01 Mar 2026 |
| Anthony P. Lee | Director | $21,170,521 | -$79,938,601 | -79% | Filing P/S | 13 Jan 2026 |
| Altos Ventures IV, L.P. | 10%+ Owner | $20,862,868 | Mixed | 09 Feb 2024 | ||
| Arvind Chakravarthy | Chief People & Systems Officer | $18,932,433 | -$14,030,789 | -43% | Mixed | 20 Feb 2026 |
| Daniel Sturman | Chief Technology Officer | $18,926,612 | Mixed | 20 May 2024 | ||
| Barbara Messing | CMKtg & Communications Officer | $9,037,018 | Mixed | 21 Nov 2023 | ||
| Sean Jack Buckley | Chief People & Systems Officer | $8,714,857 | Mixed | 19 Mar 2026 | ||
| Amy M. Rawlings | Chief Accounting Officer | $3,130,591 | -$3,718,718 | -54% | Mixed | 20 Feb 2026 |
| Andrea L. Wong | Director | $3,042,731 | -$789,629 | -21% | Mixed | 24 Feb 2026 |
| Jason Kilar | Director | $1,223,291 | Mixed | 20 Feb 2026 | ||
| Gina Mastantuono | Director | $1,172,888 | Mixed | 20 Feb 2026 | ||
| Deepika Gupta | Principal Accounting Officer | $827,271 | Mixed | 23 May 2022 | ||
| Dennis M. Durkin | Director | $485,100 | Mixed | 19 Mar 2026 | ||
| Brett Tolley | Principal Accounting Officer | $295,291 | Mixed | 22 Feb 2022 | ||
| Altos Ventures Management, Inc. | 10%+ Owner | Mixed | 11 Aug 2023 |
Top shareholders of Roblox Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| FMR LLC |
13D/G
13F
|
Company |
7.9%
|
49,459,521
|
$5,227,376,792 | +$1,039,080,032 | 30 Jun 2025 | |
| VANGUARD GROUP INC |
13F
13D/G
|
Company · The Vanguard Group |
9.3%
from 13D/G
|
63,458,784
|
$5,142,065,267 | — | 31 Dec 2025 | |
| David Baszucki |
13D/G
3/4/5
|
President & CEO, Director, 10%+ Owner |
7%
|
48,349,998
|
$5,110,111,289 | $0 | 30 Jun 2025 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
5.5%
|
35,494,495
|
$4,916,697,447 | $0 | 30 Sep 2025 | |
| Capital International Investors |
13F
|
Company |
5%
|
31,953,301
|
$2,589,281,874 | — | 31 Dec 2025 | |
| Index Ventures Growth III (Jersey), L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
49,220,602
|
$1,898,930,825 | — | 10 Mar 2021 | |
| BAILLIE GIFFORD & CO |
13F
|
Company |
3.3%
|
21,543,528
|
$1,745,672,073 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.2%
|
20,728,914
|
$1,679,664,177 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
3%
|
19,522,195
|
$1,581,883,651 | — | 31 Dec 2025 | |
| Altos Ventures IV, L.P. |
13D/G
3/4/5
|
Anthony P. Lee · 10%+ Owner |
3.7%
|
22,416,191
|
$1,492,469,997 | $0 | 31 Dec 2024 | |
| IEQ CAPITAL, LLC |
13F
|
Company |
2.7%
|
17,245,356
|
$1,397,391,214 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.1%
|
13,812,362
|
$1,119,215,693 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.9%
|
12,220,045
|
$988,001,725 | — | 31 Dec 2025 | |
| Capital World Investors |
13F
|
Company |
1.9%
|
12,136,732
|
$983,461,303 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.6%
|
10,312,837
|
$832,967,827 | — | 31 Dec 2025 | |
| Altos Ventures IV Reserve Fund, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
17,303,858
|
$667,582,842 | — | 19 Nov 2021 | |
| Temasek Holdings (Private) Ltd |
13F
|
Company |
1.2%
|
7,777,760
|
$630,231,893 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1%
|
6,628,509
|
$537,108,129 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
1%
|
6,507,141
|
$527,273,635 | — | 31 Dec 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.94%
|
6,062,725
|
$491,262,596 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.93%
|
6,013,432
|
$487,268,395 | — | 31 Dec 2025 | |
| ValueAct Holdings, L.P. |
13F
|
Company |
0.93%
|
5,975,821
|
$484,220,776 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.9%
|
5,794,063
|
$469,492,924 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
0.83%
|
5,373,613
|
$435,423,861 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.77%
|
4,965,816
|
$402,380,070 | — | 31 Dec 2025 | |
| ARK Investment Management LLC |
13F
|
Company |
0.75%
|
4,834,337
|
$391,726,313 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.7%
|
4,489,518
|
$363,785,644 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.69%
|
4,431,982
|
$359,123,501 | — | 31 Dec 2025 | |
| Whale Rock Capital Management LLC |
13F
|
Company |
0.64%
|
4,105,113
|
$332,637,306 | — | 31 Dec 2025 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
|
Company |
0.63%
|
4,035,675
|
$327,010,745 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.61%
|
3,927,674
|
$318,259,395 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.6%
|
3,896,778
|
$315,757,000 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.52%
|
3,377,673
|
$273,692,843 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.51%
|
3,306,243
|
$267,904,829 | — | 31 Dec 2025 | |
| SANDS CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.49%
|
3,183,399
|
$257,950,821 | — | 31 Dec 2025 | |
| Amundi |
13F
|
Individual |
0.49%
|
3,143,077
|
$254,683,529 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.47%
|
3,007,272
|
$243,679,250 | — | 31 Dec 2025 | |
| SRS Investment Management, LLC |
13F
|
Company |
0.46%
|
2,937,990
|
$238,065,330 | — | 31 Dec 2025 | |
| Amova Asset Management Americas, Inc. |
13F
|
Company |
0.43%
|
2,768,781
|
$224,271,261 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.42%
|
2,721,252
|
$220,503,053 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.41%
|
2,617,331
|
$212,082,330 | — | 31 Dec 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
0.4%
|
2,558,670
|
$207,329,030 | — | 31 Dec 2025 | |
| Foxhaven Asset Management, LP |
13F
|
Company |
0.39%
|
2,542,163
|
$205,991,468 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.39%
|
2,537,094
|
$205,580,727 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.38%
|
2,451,507
|
$198,645,611 | — | 31 Dec 2025 | |
| Artisan Partners Limited Partnership |
13F
|
Company |
0.36%
|
2,292,340
|
$185,748,307 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.35%
|
2,268,270
|
$183,797,940 | — | 31 Dec 2025 | |
| WORLDQUANT MILLENNIUM ADVISORS LLC |
13F
|
Company |
0.33%
|
2,156,370
|
$174,730,661 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.32%
|
2,081,484
|
$168,662,621 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.32%
|
2,051,179
|
$166,207,034 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for Roblox Corp
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| David Baszucki | RBLX | Class A Common Stock | Conversion of derivative security | 333.3% | 2,687,511 | 3,493,765 | 02 Apr 2026 | See Footnote | ||
| David Baszucki | RBLX | Class B Common Stock | Conversion of derivative security | -12.3% | -2,687,511 | 19,194,993 | 02 Apr 2026 | See Footnote | ||
| Gregory Baszucki | RBLX | Class A Common Stock | Sale | -1.26% | $965,840 | $57.95 | -16,666 | 1,302,834 | 01 Apr 2026 | See Footnotes |
| Dennis M. Durkin | RBLX | Restricted Stock Unit | Award | 3,524 | 3,524 | 19 Mar 2026 | Direct | |||
| David Baszucki | RBLX | Class A Common Stock | Award | 12.8% | 102,303 | 902,842 | 01 Mar 2026 | Direct | ||
| David Baszucki | RBLX | Performance Stock Unit | Award | 613,822 | 613,822 | 01 Mar 2026 | Direct | |||
| Mark Reinstra | RBLX | Class A Common Stock | Award | 25.6% | 96,790 | 474,126 | 01 Mar 2026 | Direct | ||
| Mark Reinstra | RBLX | Performance Stock Unit | Award | 104,236 | 104,236 | 01 Mar 2026 | Direct | |||
| Matthew D. Kaufman | RBLX | Class A Common Stock | Award | 29.3% | 85,609 | 377,645 | 01 Mar 2026 | Direct | ||
| Matthew D. Kaufman | RBLX | Performance Stock Unit | Award | 92,194 | 92,194 | 01 Mar 2026 | Direct | |||
| Naveen K. Chopra | RBLX | Class A Common Stock | Award | 22.6% | 73,299 | 397,621 | 01 Mar 2026 | Direct | ||
| Naveen K. Chopra | RBLX | Performance Stock Unit | Award | 135,320 | 135,320 | 01 Mar 2026 | Direct | |||
| Gregory Baszucki | RBLX | Class A Common Stock | Sale | -1.26% | $1,149,634 | $68.98 | -16,666 | 1,311,167 | 27 Feb 2026 | See Footnotes |
| Andrea L. Wong | RBLX | Class A Common Stock | Sale | -1.24% | $37,249 | $66.16 | -563 | 44,702 | 24 Feb 2026 | See footnote |
| David Baszucki | RBLX | Class A Common Stock | Sale | -1.34% | $667,706 | $61.63 | -10,834 | 800,539 | 20 Feb 2026 | Direct |
| Arvind Chakravarthy | RBLX | Class A Common Stock | Sale | -10.8% | $1,319,234 | $61.61 | -21,413 | 177,589 | 20 Feb 2026 | Direct |
| Naveen K. Chopra | RBLX | Class A Common Stock | Sale | -3.77% | $783,349 | $61.61 | -12,714 | 324,322 | 20 Feb 2026 | Direct |
| Matthew D. Kaufman | RBLX | Class A Common Stock | Sale | -4.96% | $937,887 | $61.59 | -15,227 | 292,036 | 20 Feb 2026 | Direct |
| Amy M. Rawlings | RBLX | Class A Common Stock | Sale | -8.28% | $181,683 | $61.57 | -2,951 | 32,705 | 20 Feb 2026 | Direct |
| Mark Reinstra | RBLX | Class A Common Stock | Sale | -4.36% | $1,058,762 | $61.61 | -17,186 | 377,136 | 20 Feb 2026 | Direct |
| Jason Kilar | RBLX | Class A Common Stock | Other | -6.51% | -1,125 | 16,164 | 20 Feb 2026 | Direct | ||
| Jason Kilar | RBLX | Phantom Stock | Other | 50% | 1,125 | 3,375 | 20 Feb 2026 | Direct | ||
| Gina Mastantuono | RBLX | Class A Common Stock | Other | -6.77% | -1,125 | 15,498 | 20 Feb 2026 | Direct | ||
| Gina Mastantuono | RBLX | Phantom Stock | Other | 50% | 1,125 | 3,375 | 20 Feb 2026 | Direct | ||
| Gregory Baszucki | RBLX | Class A Common Stock | Other | -9.81% | -1,125 | 10,346 | 20 Feb 2026 | Direct | ||
| Gregory Baszucki | RBLX | Phantom Stock | Other | 50% | 1,125 | 3,375 | 20 Feb 2026 | Direct | ||
| Amy M. Rawlings | RBLX | Class A Common Stock | Gift | 14,197 | 14,197 | 17 Feb 2026 | See footnote | |||
| Amy M. Rawlings | RBLX | Class A Common Stock | Gift | -28.5% | -14,197 | 35,656 | 17 Feb 2026 | Direct | ||
| Mark Reinstra | RBLX | Class A Common Stock | Sale | -13.2% | $3,836,484 | $63.94 | -60,000 | 394,322 | 13 Feb 2026 | Direct |
| Arvind Chakravarthy | RBLX | Class A Common Stock | Sale | -100% | $2,732,598 | $67.23 | -40,646 | 0 | 11 Feb 2026 | See Footnote |
| Arvind Chakravarthy | RBLX | Class A Common Stock | Sale | -7.65% | $1,340,282 | $67.29 | -19,918 | 240,570 | 11 Feb 2026 | Direct |
| Mark Reinstra | RBLX | Class A Common Stock | Sale | -7.02% | $2,493,475 | $72.65 | -34,320 | 454,322 | 10 Feb 2026 | Direct |
| Arvind Chakravarthy | RBLX | Class A Common Stock | Sale | -11.9% | $2,567,006 | $72.66 | -35,331 | 260,488 | 10 Feb 2026 | Direct |
| David Baszucki | RBLX | Class A Common Stock | Sale | -25.1% | $19,782,756 | $72.66 | -272,269 | 811,373 | 10 Feb 2026 | Direct |
| Matthew D. Kaufman | RBLX | Class A Common Stock | Sale | -8.9% | $2,182,105 | $72.65 | -30,034 | 307,263 | 10 Feb 2026 | Direct |
| Mark Reinstra | RBLX | Class A Common Stock | Options Exercise | 31.9% | 118,110 | 488,642 | 09 Feb 2026 | Direct | ||
| Mark Reinstra | RBLX | Performance Stock Unit | Options Exercise | -100% | -118,110 | 0 | 09 Feb 2026 | Direct | ||
| Arvind Chakravarthy | RBLX | Class A Common Stock | Options Exercise | 63.4% | 114,776 | 295,819 | 09 Feb 2026 | Direct | ||
| Arvind Chakravarthy | RBLX | Performance Stock Unit | Options Exercise | -100% | -114,776 | 0 | 09 Feb 2026 | Direct | ||
| David Baszucki | RBLX | Class A Common Stock | Options Exercise | 468.6% | 893,068 | 1,083,642 | 09 Feb 2026 | Direct | ||
| David Baszucki | RBLX | Performance Stock Unit | Options Exercise | -100% | -893,068 | 0 | 09 Feb 2026 | Direct | ||
| Matthew D. Kaufman | RBLX | Class A Common Stock | Options Exercise | 40.7% | 97,522 | 337,297 | 09 Feb 2026 | Direct | ||
| Matthew D. Kaufman | RBLX | Performance Stock Unit | Options Exercise | -100% | -97,522 | 0 | 09 Feb 2026 | Direct | ||
| Amy M. Rawlings | RBLX | Class A Common Stock | Award | 7.32% | 3,401 | 49,853 | 18 Jan 2026 | Direct | ||
| Anthony P. Lee | RBLX | Class A Common Stock | Sale | -2.65% | $577,150 | $82.45 | -7,000 | 256,768 | 13 Jan 2026 | See footnote |
| David Baszucki | RBLX | Class A Common Stock | Gift | 46,062 | 46,062 | 07 Jan 2026 | See Footnote | |||
| David Baszucki | RBLX | Class A Common Stock | Gift | -7.86% | -68,750 | 806,254 | 07 Jan 2026 | See Footnote | ||
| David Baszucki | RBLX | Class A Common Stock | Sale | -100% | $5,116,401 | $76.48 | -66,896 | 0 | 07 Jan 2026 | See Footnote |
| Anthony P. Lee | RBLX | Class A Common Stock | Sale | -18.7% | $4,717,480 | $79.96 | -59,000 | 257,258 | 02 Jan 2026 | See footnote |
| David Baszucki | RBLX | Class A Common Stock | Gift | 46,062 | 46,062 | 18 Dec 2025 | See Footnote |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.