Kaufman Matthew D (CIK 2044191) reported 42 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-24). Recent activity: Sell RBLX (10,994 shares), Sell RBLX (3,910 shares), Sell RBLX (1,410 shares), Sell RBLX (12,756 shares), Sell RBLX (190 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 10,994 | $415,362 |
| 2026-08-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 3,910 | $150,399 |
| 2026-05-22 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 1,410 | $62,632 |
| 2026-05-22 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 12,756 | $578,612 |
| 2026-05-22 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 190 | $8,719 |
| 2026-04-15 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 13,225 | $766,256 |
| 2026-04-15 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 100 | $5,845 |
| 2026-03-03 | Roblox Corp (RBLX) | Chief Safety Officer | Buy | 85,609 | $0 |
| 2026-02-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 5,588 | $340,533 |
| 2026-02-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 8,589 | $531,487 |
| 2026-02-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 1,050 | $65,866 |
| 2026-02-11 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 27,634 | $2.0M |
| 2026-02-11 | Roblox Corp (RBLX) | Chief Safety Officer | Buy | 97,522 | $0 |
| 2026-02-11 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 2,400 | $175,560 |
| 2025-11-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 6,000 | $589,260 |
| 2025-11-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 3,200 | $299,168 |
| 2025-11-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 2,526 | $238,884 |
| 2025-11-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 4,886 | $466,711 |
| 2025-11-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 3,595 | $347,097 |
| 2025-11-24 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 660 | $64,119 |
| 2025-11-10 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 6,000 | $608,880 |
| 2025-11-05 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 6,000 | $677,940 |
| 2025-10-06 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 6,000 | $810,120 |
| 2025-09-22 | Roblox Corp (RBLX) | Chief Safety Officer | Sell | 6,000 | $819,300 |
| 2025-09-12 | Roblox Corp (RBLX) | Chief Safety Officer | Buy | 9,627 | $0 |
Source: SEC Form 4 filings · as of 2026-08-24