InsiderCFO

Theodore Blegen Insider Trading Activity

Every SEC Form 4 transaction reported by Theodore Blegen, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · SEC Form 4 & insider trading data analysts
Last updated:

Quick Answer

Is Theodore Blegen buying or selling?

Theodore Blegen reported 0 open-market buys ($0) and 124 sells ($154.1M) across 124 Form 4 filings at 1 company — a net selling position of $154.1M.

Source: SEC EDGAR Form 4

Key Statistics (as of Feb 10, 2026)

Total Form 4 filings
124
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (124)
$154.1M

Insider sentiment

Net selling

Net insider flow of $154.1M in net selling, filed between May 1, 2018 – Feb 10, 2026.

Companies Theodore Blegen files for

#CompanyForm 4 filings
1MPWRMONOLITHIC POWER SYSTEMS INC124

Recent Theodore Blegen transactions

DateTickerRoleTypeSharesValue
Feb 10, 2026MPWREVP and CFOSale21.7K$25.4M
Feb 4, 2026MPWREVP and CFOSale3.0K$3.4M
Jan 6, 2026MPWREVP and CFOSale3.0K$2.8M
Dec 3, 2025MPWREVP and CFOSale3.0K$2.7M
Nov 5, 2025MPWREVP and CFOSale3.0K$3.1M
Oct 2, 2025MPWREVP and CFOSale3.0K$2.7M
Sep 3, 2025MPWREVP and CFOSale3.0K$2.4M
Aug 4, 2025MPWREVP and CFOSale3.0K$2.3M
Jul 2, 2025MPWREVP and CFOSale6.0K$4.5M
Feb 12, 2025MPWREVP and CFOSale532$381.5K
Dec 12, 2024MPWREVP and CFOSale2.5K$1.5M
Nov 13, 2024MPWREVP and CFOSale734$561.6K
Nov 5, 2024MPWREVP and CFOSale2.5K$1.9M
Oct 2, 2024MPWREVP and CFOSale2.5K$2.3M
Sep 3, 2024MPWREVP and CFOSale2.5K$2.3M
Aug 12, 2024MPWREVP and CFOSale728$566.7K
Aug 2, 2024MPWREVP and CFOSale2.5K$2.1M
Jul 24, 2024MPWREVP and CFOSale2.6K$2.1M
Jul 2, 2024MPWREVP and CFOSale2.5K$2.0M
Jun 5, 2024MPWREVP and CFOSale2.5K$1.8M
May 9, 2024MPWREVP and CFOSale737$508.5K
May 3, 2024MPWREVP and CFOSale2.5K$1.7M
Apr 3, 2024MPWREVP & CFOSale2.5K$1.7M
Mar 4, 2024MPWRCFOSale2.5K$1.8M
Feb 7, 2024MPWRCFOSale867$555.7K

Showing the 25 most recent filings of 124. Screen every filing.

Theodore Blegen insider trading FAQ

Is Theodore Blegen buying or selling?

Across 124 SEC Form 4 filings, Theodore Blegen reported 0 open-market purchases totaling $0 and 124 sales totaling $154.1M — a net selling position of $154.1M.

Which companies does Theodore Blegen file Form 4s for?

Theodore Blegen has reported insider transactions at 1 company, most often MONOLITHIC POWER SYSTEMS INC (MPWR).

How far back does Theodore Blegen's filing history go?

Trabud holds Theodore Blegen's SEC Form 4 filings from May 1, 2018 – Feb 10, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Theodore Blegen's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

Related Content

Learn

What is SEC Form 4?

The filing behind every transaction here

Guide

How to Track Insider Trading

A practical workflow for following Form 4 activity

Use Case

Insider Buying Signals

How investors read insider purchases

Track Theodore Blegen and every other insider

Screen all SEC Form 4 filings by insider, company, transaction value, and role — or ask Trabud's AI agent in plain English.

Open the screener