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Theodore Blegen

EVP and CFO · Monolithic Power Systems

Theodore Blegen (EVP and CFO) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in Monolithic Power Systems, Inc. (MPWR). The largest single filing was $25.4M of MPWR (21,725 sh × $1,171.16, as filed), executed Feb 6. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
4
0 buys · 4 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$33.1M
shares × price, as filed
Last traded
Feb 6
Filed Feb 10

Median ADV $1.2B across their filed names

Open performance→
Volume by month
$28.4M$14.2M$0Dec 2024Jun 2025Dec 2025Jun 2026Dec 2024 · sells $1.5MFeb 2025 · sells $381KJul 2025 · sells $4.5MAug 2025 · sells $2.2MSep 2025 · sells $2.0MOct 2025 · sells $2.5MNov 2025 · sells $2.7MDec 2025 · sells $2.3MJan 2026 · sells $2.3MFeb 2026 · sells $28.4M
Buys $0 Sells $48.8M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Technology 4 filings

Sector per market data · by filing · past 12 months

Most traded names
MPWR Monolithic Power Systems, Inc. MPWR · 0 buys · 12 sells 12 filings
Recent filings
MPWRSALE Monolithic Power Systems, Inc. View filing → $4.5M
6,000 sh × $750.00
Exec Jul 1 2025
Filed Jul 2 2025 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $381K
532 sh × $717.10
Exec Feb 10 2025
Filed Feb 12 2025 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $1.5M
2,500 sh × $600.00
Exec Dec 9 2024
Filed Dec 11 2024 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $562K
734 sh × $765.15
Exec Nov 8 2024
Filed Nov 13 2024 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $1.7M
2,227 sh across 9 lots
Exec Nov 1 2024
Filed Nov 5 2024 · 5:30 PM ET