Matthew D Kaufman Insider Trading Activity
Matthew D Kaufman has been net-selling over the last 12 months with 0 purchases and 30 sales across 1 company.
RBLX is the most-traded position with 30 trades. The largest single transaction was a sale of RBLX for $2.0M on Feb 10, 2026.
Performance Scorecard
Forward stock performance after each transaction by Matthew D Kaufman. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +4.4% | 68% | 28 |
| 90 days | — | +20.2% | 85% | 26 |
| 120 days | — | +26.6% | 86% | 21 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersRBLX · Roblox Corp
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 20, 2026 | RBLX | Sell | 12,756 | $45.36 | $579K | Chief Safety Officer |
| May 20, 2026 | RBLX | Sell | 190 | $45.89 | $9K | Chief Safety Officer |
| May 20, 2026 | RBLX | Sell | 1,410 | $44.42 | $63K | Chief Safety Officer |
| Apr 13, 2026 | RBLX | Sell | 100 | $58.45 | $6K | Chief Safety Officer |
| Apr 13, 2026 | RBLX | Sell | 13,225 | $57.94 | $766K | Chief Safety Officer |
| Feb 20, 2026 | RBLX | Sell | 1,050 | $62.73 | $66K | Chief Safety Officer |
| Feb 20, 2026 | RBLX | Sell | 8,589 | $61.88 | $531K | Chief Safety Officer |
| Feb 20, 2026 | RBLX | Sell | 5,588 | $60.94 | $341K | Chief Safety Officer |
| Feb 10, 2026 | RBLX | Sell | 27,634 | $72.61 | $2.0M | Chief Safety Officer |
| Feb 10, 2026 | RBLX | Sell | 2,400 | $73.15 | $176K | Chief Safety Officer |
| Nov 20, 2025 | RBLX | Sell | 660 | $97.15 | $64K | Chief Safety Officer |
| Nov 20, 2025 | RBLX | Sell | 6,000 | $98.21 | $589K | Chief Safety Officer |
| Nov 20, 2025 | RBLX | Sell | 3,200 | $93.49 | $299K | Chief Safety Officer |
| Nov 20, 2025 | RBLX | Sell | 2,526 | $94.57 | $239K | Chief Safety Officer |
| Nov 20, 2025 | RBLX | Sell | 4,886 | $95.52 | $467K | Chief Safety Officer |
| Nov 20, 2025 | RBLX | Sell | 3,595 | $96.55 | $347K | Chief Safety Officer |
| Nov 6, 2025 | RBLX | Sell | 6,000 | $101.48 | $609K | Chief Safety Officer |
| Nov 3, 2025 | RBLX | Sell | 6,000 | $112.99 | $678K | Chief Safety Officer |
| Oct 2, 2025 | RBLX | Sell | 6,000 | $135.02 | $810K | Chief Safety Officer |
| Sep 18, 2025 | RBLX | Sell | 6,000 | $136.55 | $819K | Chief Safety Officer |
| Sep 4, 2025 | RBLX | Sell | 6,000 | $134.20 | $805K | Chief Safety Officer |
| Aug 21, 2025 | RBLX | Sell | 6,000 | $116.84 | $701K | Chief Safety Officer |
| Aug 20, 2025 | RBLX | Sell | 5,621 | $117.97 | $663K | Chief Safety Officer |
| Aug 20, 2025 | RBLX | Sell | 1,230 | $116.05 | $143K | Chief Safety Officer |
| Aug 20, 2025 | RBLX | Sell | 3,945 | $117.02 | $462K | Chief Safety Officer |
| Aug 20, 2025 | RBLX | Sell | 3,412 | $118.67 | $405K | Chief Safety Officer |
| Aug 7, 2025 | RBLX | Sell | 6,000 | $133.67 | $802K | Chief Safety Officer |
| Jul 17, 2025 | RBLX | Sell | 6,000 | $118.51 | $711K | Chief Safety Officer |
| Jul 3, 2025 | RBLX | Sell | 6,000 | $102.58 | $615K | Chief Safety Officer |
| Jun 20, 2025 | RBLX | Sell | 6,000 | $103.35 | $620K | Chief Safety Officer |
| Jun 5, 2025 | RBLX | Sell | 6,000 | $91.69 | $550K | Chief Safety Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| RBLX | Roblox Corp | 31 | $15.9M |
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