| 1 | Altos Ventures IV Liquidity Fund L.P.
Altos Hybrid 2 GP LLC
Altos Hybrid 2 P-FIO LLC
Altos Hybrid 2 V LLC
Altos Hybrid 3 B LLC
Altos Hybrid 3 GP LLC
Altos Hybrid 3 M LLC
Altos Hybrid 3 W LLC
Altos Hybrid 4 GP LLC
Altos Hybrid 4 GS LLC
10% Owner | 2021-03-15 20:43:01 | 0
105,675,853 | 105,675,853 | Form 4 |
| 2 | Altos Ventures IV Liquidity Fund L.P.
Altos Hybrid 4 L.P.
Altos Hybrid CC LLC
Altos Hybrid HG LLC
Altos Hybrid UP LLC
Altos Management Partners IV LLC
Altos Roblox 2020 Management Partners LLC
Altos Roblox Management Partners LLC
Altos Roblox SPV 1 LLC
Altos Roblox SPV 2 LLC
10% Owner | 2021-03-15 20:43:45 | 0
105,675,853 | 105,675,853 | Form 4 |
| 3 | Index Ventures Growth III (Jersey) L.P.
Yucca (Jersey) SLP
Index Venture Growth Associates III Ltd
10% Owner | 2022-02-14 09:14:09 | 48,482,264
738,338 | 49,220,602 | Form 4 |
| 4 | Altos Ventures IV L.P.
Kim Han
Nam Hodong
Altos Hybrid 2 L.P.
Altos Hybrid 4 L.P.
10% Owner | 2025-02-14 17:36:14 | 22,416,191
0 | 22,416,191 | Form 13G |
| 5 | Altos Ventures IV L.P.
Altos Hybrid 2 GP LLC
Altos Hybrid 4 GP LLC
Altos Management Partners IV LR GP LLC
Altos Management Partners IV LLC
Altos Roblox 2020 Management Partners LLC
Altos Roblox Management Partners LLC
Nam Hodong
Kim Han
10% Owner | 2025-02-14 17:36:14 | 22,416,191
0 | 22,416,191 | Form 13G |
| 6 | Altos Ventures IV L.P.
Altos Ventures IV Liquidity Fund L.P.
Altos Ventures IV Reserve Fund L.P.
Altos Roblox SPV 1 LLC
Altos Roblox SPV 2 LLC
Altos Ventures Management Inc.
Altos Roblox SPV 2020 LLC
10% Owner | 2025-02-14 17:36:14 | 22,416,191
0 | 22,416,191 | Form 13G |
| 7 | Baszucki Gregory
Director | 2026-06-02 16:13:59 | 5,185
10,708,884 | 10,714,069 | Form 4 |
| 8 | Lee Anthony P
Director | 2026-06-01 19:49:36 | 5,185
7,641,198 | 7,646,383 | Form 4 |
| 9 | Nam Hodong
10% Owner | 2024-05-01 20:21:46 | 0
4,996,152 | 4,996,152 | Form 4 |
| 10 | Meritech Capital Partners V L.P.
Bischof George
MADERA PAUL S
Meritech Capital Affiliates V L.P.
Meritech Capital Associates V L.L.C.
Meritech Capital Partners V Sidecar L.P.
Sherman Craig
Ward Rob
10% Owner | 2021-03-12 16:53:15 | 0
4,919,616 | 4,919,616 | Form 4 |
| 11 | Baszucki David
President & CEO
10% Owner | 2026-05-22 17:27:48 | 852,214
3,493,765 | 4,345,979 | Form 4 |
| 12 | Guthrie Michael
Chief Financial Officer | 2025-06-09 17:12:02 | 1,414,656
61,422 | 1,476,078 | Form 4 |
| 13 | Donato Craig
Chief Business Officer | 2023-05-25 20:01:16 | 1,227,229
80,000 | 1,307,229 | Form 4 |
| 14 | Carvalho Christopher
Director | 2026-05-29 16:15:04 | 1,112,098
40,968 | 1,153,066 | Form 4 |
| 15 | Sturman Daniel
Chief Technology Officer | 2024-05-22 18:15:08 | 539,862
223,965 | 763,827 | Form 4 |
| 16 | Reinstra Mark
Chief Legal Off. & Corp. Sec. | 2026-06-08 18:51:39 | 426,760
220,654 | 647,414 | Form 4 |
| 17 | Bronstein Manuel
Chief Product Officer | 2025-08-22 16:16:03 | 443,222
0 | 443,222 | Form 4 |
| 18 | CHOPRA NAVEEN K.
Chief Financial Officer | 2026-05-22 17:28:44 | 380,758
0 | 380,758 | Form 4 |
| 19 | Kaufman Matthew D
Chief Safety Officer | 2026-05-22 17:28:13 | 349,964
0 | 349,964 | Form 4 |
| 20 | Messing Barbara
CMKtg & Communications Officer | 2023-11-24 15:18:30 | 234,241
0 | 234,241 | Form 4 |
| 21 | Chakravarthy Arvind
Chief People & Systems Officer | 2026-02-24 16:29:16 | 177,589
41,568 | 219,157 | Form 4 |
| 22 | BUCKLEY SEAN JACK
Chief People & Systems Officer | 2026-05-27 16:14:21 | 97,141
0 | 97,141 | Form 4 |
| 23 | Rawlings Amy Marie
Chief Accounting Officer | 2026-06-16 17:35:57 | 67,239
14,197 | 81,436 | Form 4 |
| 24 | Wong Andrea L
Director | 2026-05-29 16:14:37 | 6,310
44,702 | 51,012 | Form 4 |
| 25 | KILAR JASON
Director | 2026-05-29 16:15:47 | 25,850
0 | 25,850 | Form 4 |
| 26 | Mastantuono Gina
Director | 2026-05-29 16:19:43 | 25,184
0 | 25,184 | Form 4 |
| 27 | Gupta Deepika
Principal Accounting Officer | 2022-05-25 21:16:59 | 21,443
0 | 21,443 | Form 4 |
| 28 | Durkin Dennis M
Director | 2026-05-29 16:10:39 | 8,709
7,700 | 16,409 | Form 4 |
| 29 | Tolley Brett
Principal Accounting Officer | 2022-02-24 19:29:16 | 7,654
0 | 7,654 | Form 4 |