Quick Takeaways
- Theodore Blegen has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $106,631,372.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Theodore Blegen
- Location
- Kirkland, WA
- Summary
- The estimated net worth of Theodore Blegen is at least $106,631,372 dollars as of 10 Feb 2026. Theodore Blegen is the EVP and CFO of MONOLITHIC POWER SYSTEMS INC and owns shares of MONOLITHIC POWER SYSTEMS INC (MPWR) stock worth about $106.63M.
- Signature
- /s/ Saria Tseng, attorney-in-fact for Mr. Bernie Blegen
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Theodore Blegen and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: MONOLITHIC POWER SYSTEMS INC ($106,631,372).
- Past-year value change for that position: -$49,384,778.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Theodore Blegen
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| MPWR | MONOLITHIC POWER SYSTEMS INC | EVP and CFO | $106,631,372 | -$49,384,778 | -32% | 06 Feb 2026 |
Insider Transactions Reported by Theodore Blegen:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.