Kaufman Matthew D
SEC CIK 2044191 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| RBLX | Roblox Corp | Chief Safety Off | 335.1K | — | $19.41M | 24 | 2025-04-03 | 2026-08-20 |
Most active insiders at RBLX, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Baszucki David | Pres, CEO, Dir, 10% | — | $43.52M |
| 2 | Lee Anthony P | Dir | — | $27.27M |
| 3 | Reinstra Mark | Chief Legal Off, Corp. Sec | — | $13.05M |
| 4 | Chakravarthy Arvind | Chief People, Systems Off | — | $9.95M |
| 5 | Kaufman Matthew D | Chief Safety Off | — | $9.21M |
| 6 | Baszucki Gregory | Dir | — | $5.90M |
| 7 | CHOPRA NAVEEN K. | CFO | — | $4.06M |
| 8 | BUCKLEY SEAN JACK | Chief People, Systems Off | — | $856.5K |
| 9 | Rawlings Amy Marie | CAO | — | $778.8K |
| 10 | Wong Andrea L | Dir | — | $60.2K |
Transactions 24
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-08-24 16:40 | 2026-08-20 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $37.96 | -14.9K | 335.1K | -4% | -$565.8K |
| M | 2026-05-22 17:28 | 2026-05-20 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $45.27 | -14.4K | 350.0K | -4% | -$650.0K |
| M | 2026-04-15 18:36 | 2026-04-13 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $57.94 | -13.3K | 364.3K | -4% | -$772.1K |
| D | 2026-03-03 | 2026-03-01 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | A - Grant | $0.00 | +85.6K | 377.6K | +29% | $0 |
| M | 2026-02-24 | 2026-02-20 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $61.59 | -15.2K | 293.1K | -5% | -$937.9K |
| D | 2026-02-11 | 2026-02-09 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | M - OptEx | $0.00 | +97.5K | 337.3K | +41% | $0 |
| DM | 2026-02-11 | 2026-02-10 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale+OE | $72.65 | -30.0K | 307.3K | -9% | -$2.18M |
| M | 2025-11-24 | 2025-11-20 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $96.10 | -20.9K | 254.6K | -8% | -$2.01M |
| 2025-11-10 | 2025-11-06 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $101.48 | -6,000 | 260.6K | -2% | -$608.9K | |
| 2025-11-05 | 2025-11-03 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $112.99 | -6,000 | 266.6K | -2% | -$677.9K | |
| 2025-10-06 | 2025-10-02 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $135.02 | -6,000 | 272.6K | -2% | -$810.1K | |
| 2025-09-22 | 2025-09-18 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $136.55 | -6,000 | 278.6K | -2% | -$819.3K | |
| 2025-09-12 | 2025-09-10 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | A - Grant | $0.00 | +9,627 | 284.6K | +4% | $0 | |
| 2025-09-08 | 2025-09-04 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $134.20 | -6,000 | 275.0K | -2% | -$805.2K | |
| M | 2025-08-22 | 2025-08-20+ | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $117.45 | -20.2K | 281.0K | -7% | -$2.37M |
| 2025-08-08 | 2025-08-07 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $133.67 | -6,000 | 301.2K | -2% | -$802.0K | |
| 2025-07-21 | 2025-07-17 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $118.51 | -6,000 | 307.2K | -2% | -$711.1K | |
| 2025-07-08 | 2025-07-03 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $102.58 | -6,000 | 313.2K | -2% | -$615.5K | |
| 2025-06-24 | 2025-06-20 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $103.35 | -6,000 | 319.2K | -2% | -$620.1K | |
| 2025-06-09 | 2025-06-05 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $91.69 | -6,000 | 325.2K | -2% | -$550.1K | |
| M | 2025-05-22 | 2025-05-20 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $80.66 | -15.0K | 332.3K | -4% | -$1.21M |
| 2025-05-19 | 2025-05-15 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $79.94 | -6,000 | 346.2K | -2% | -$479.6K | |
| M | 2025-05-07 | 2025-05-05 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $71.83 | -12.0K | 352.2K | -3% | -$862.0K |
| 2025-04-07 | 2025-04-03 | RBLX | Roblox Corp | Kaufman Matthew D | Chief Safety Off | S - Sale | $57.99 | -6,000 | 364.2K | -2% | -$347.9K |
Purchase Sale Sale after option exercise All abbreviations