| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
EVP And CFO | EVP &CFO | CFO
1 company
Blegen Theodore is an EVP And CFO at MONOLITHIC POWER SYSTEMS INC. Recent SEC Form 4 filings include 0 buys and 95 sells.
Estimated insider holdings value: $110.9M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb 2, 2026 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 3,000 | $1,129.76 | $3,389,266.28 | -0.3% | +35.0% | - | |
| Jan 2, 2026 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 3,000 | $940.47 | $2,821,399.46 | -0.3% | +19.5% | - | |
| Dec 1, 2025 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 3,000 | $908.21 | $2,724,623.44 | -0.4% | +23.1% | - | |
| Nov 3, 2025 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 3,401 | $1,023.79 | $3,481,902.92 | -0.2% | +16.9% | - | |
| Oct 1, 2025 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 3,000 | $913.22 | $2,739,647.60 | -0.6% | +0.9% | - | |
| Sep 2, 2025 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 3,000 | $814.34 | $2,443,032.12 | -0.5% | +12.7% | - | |
| Aug 1, 2025 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 3,000 | $750.00 | $2,250,000.00 | -6.4% | +38.4% | - | |
| Jul 1, 2025 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 6,000 | $750.00 | $4,500,000.00 | -11.3% | +18.7% | - | |
| Feb 10, 2025 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 532 | $717.10 | $381,497.57 | -1.0% | +0.5% | +61.9% | |
| Dec 9, 2024 | MPWR Monolithic Power Systems Inc | EVP And CFO | Sell | 2,500 | $600.00 | $1,500,000.00 | -4.5% | -4.6% | +57.9% |