Lee Victor K sold Monolithic Power Systems ($MPWR) shares eight times on the open market over the last year, for a total of nearly $2 million. His latest sale occurred on February 9, 2026. Among 11,678 insiders, his sales rank 3,508th by value, trailing the average of $8.6 million across about six transactions each. He recorded no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 9, 2026 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 400 | $1212.16 | 27,756.0000 | 48,042,000 | 1.42% | 0.00% |
| Feb. 3, 2026 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | A | Common Stock | 189 | $0.00 | 28,156.0000 | 48,042,000 | 0.68% | 0.00% |
| Jan. 2, 2026 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 600 | $930.86 | 27,967.0000 | 48,042,000 | 2.10% | 0.00% |
| Dec. 24, 2025 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 160 | $951.60 | 28,930.0000 | 48,042,000 | 0.55% | 0.00% |
| Dec. 24, 2025 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 200 | $953.70 | 28,647.0000 | 48,042,000 | 0.69% | 0.00% |
| Dec. 24, 2025 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 80 | $955.08 | 28,567.0000 | 48,042,000 | 0.28% | 0.00% |
| Dec. 24, 2025 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 83 | $952.37 | 28,847.0000 | 48,042,000 | 0.29% | 0.00% |
| Dec. 24, 2025 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 197 | $949.70 | 29,370.0000 | 48,042,000 | 0.67% | 0.00% |
| Dec. 24, 2025 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 280 | $950.64 | 29,090.0000 | 48,042,000 | 0.95% | 0.00% |
| Feb. 4, 2025 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | A | Common Stock | 335 | $0.00 | 29,567.0000 | 48,835,000 | 1.15% | 0.00% |
| June 28, 2024 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | S | Common Stock | 1000 | $820.46 | 29,232.0000 | 48,771,000 | 3.31% | 0.00% |
| Feb. 6, 2024 | MONOLITHIC POWER SYSTEMS INC | $MPWR | Lee Victor K | Not found | A | Common Stock | 348 | $0.00 | 30,232.0000 | 48,771,000 | 1.16% | 0.00% |