CIK 0001280452
MPWR MONOLITHIC POWER SYSTEMS INC
Insider trading from SEC Form 4. Last filing Dec 11, 2024.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
1
with a Form 4 at this company
Signals
Open-market buys and sells at MONOLITHIC POWER SYSTEMS INC, scored.
| Score | Side | Insider | Value | Shares | Holdings change | Price context | Filed |
|---|---|---|---|---|---|---|---|
| 27Weak | sell10b5-1 | BLEGEN THEODORE EVP and CFO | $1.5M | 2,500 | -4% | - | |
| 41Moderate | sell | BLEGEN THEODORE EVP and CFO | $562k | 734 | -1% | - | |
| 27Weak | sell10b5-1 | BLEGEN THEODORE EVP and CFO | $1.9M | 2,500 | -4% | - |
Congressional trades
9 trades in MPWR disclosed by members of Congress under the STOCK Act. All congressional trades.
| Member | Type | Asset | Amount | Traded | Filed |
|---|---|---|---|---|---|
| Tommy Tuberville Senate · R-AL | Sale | MPWR Monolithic Power Systems, Inc. - Common Stock | $1,001 to $15k | May 3, 2024 | 824 days after the trade |
| Byron Donalds House · R-FL | Partial sale | MPWR Monolithic Power Systems, Inc. - Common Stock | $1,001 to $15k | Jun 5, 2026 | 40 days after the trade |
| Byron Donalds House · R-FL | Partial sale | MPWR Monolithic Power Systems, Inc. - Common Stock | $1,001 to $15k | Jun 5, 2026 | 40 days after the trade |
| Markwayne Mullin Senate · R-OK | Purchase | MPWR Monolithic Power Systems, Inc. - Common Stock | $15k to $50k | Feb 4, 2026 | 26 days after the trade |
| Markwayne Mullin Senate · R-OK | Purchase | MPWR Monolithic Power Systems, Inc. - Common Stock | $15k to $50k | Jan 5, 2026 | 30 days after the trade |
| Markwayne Mullin Senate · R-OK | Purchase | MPWR Monolithic Power Systems, Inc. - Common Stock | $15k to $50k | Jan 5, 2026 | 30 days after the trade |
| Michael Guest House · R-MS | Purchase | MPWR Monolithic Power Systems, Inc. - Common Stock | $1,001 to $15k | Oct 20, 2025 | 30 days after the trade |
| Robert P. Bresnahan, Jr. House · R-PA | Purchase | MPWR Monolithic Power Systems, Inc. - Common Stock | $1,001 to $15k | Apr 8, 2025 | 30 days after the trade |
| Robert P. Bresnahan, Jr. House · R-PA | Sale | MPWR Monolithic Power Systems, Inc. - Common Stock | $1,001 to $15k | Jan 13, 2025 | 31 days after the trade |
Transactions
The last 15 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 9, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -2,500 | $600.00 | $1.5M | 53,444 | Dec 11, 2024 |
| Nov 8, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock | -734 | $765.15 | $562k | 55,944 | Nov 13, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -150 | $764.54 | $115k | 59,028 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -50 | $765.13 | $38k | 58,978 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -208 | $766.22 | $159k | 58,770 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -183 | $767.82 | $141k | 58,587 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -175 | $768.08 | $134k | 58,412 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -50 | $770.46 | $39k | 58,362 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -246 | $771.03 | $190k | 58,116 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -200 | $772.40 | $154k | 57,916 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -300 | $775.65 | $233k | 57,616 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -73 | $776.24 | $57k | 57,543 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -300 | $777.43 | $233k | 57,243 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -465 | $778.33 | $362k | 56,778 | Nov 5, 2024 |
| Nov 1, 2024 | BLEGEN THEODORE EVP and CFO | SOpen-market sale Common Stock10b5-1 | -100 | $779.79 | $78k | 56,678 | Nov 5, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.