Blegen Theodore — Insider Trades & Holdings | InsiderBid

Blegen Theodore

Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: -$49.4M

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
MPWR	Monolithic Power Systems INC	$0	$49.4M	-$49.4M	82,353	Feb 6

Monolithic Power Systems INC

-$49.4M

Bought

$0

Sold

$49.4M

Held

82,353

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

All 11 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Trade history

The 97 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Feb 6	MPWR	Monolithic Power Systems…	SSELL	21,725	$1,171.16	$25.4M	-20.9%	Open the original filing on SEC.gov
Feb 3	MPWR	Monolithic Power Systems…	AGRANT	38,745	—	—	+59.3%	Open the original filing on SEC.gov

MPWRSSELL$25.4M

Monolithic Power Systems INCFeb 6

21,725 sh @ $1,171.16 · -20.9% own

MPWRAGRANT—

Monolithic Power Systems INCFeb 3

38,745 sh · +59.3% own

MPWRSSELL◷$91.2K

Monolithic Power Systems INCFeb 2

80 sh @ $1,139.49 · -0.1% own

MPWRSSELL◷$91K

Monolithic Power Systems INCFeb 2

80 sh @ $1,137.81 · -0.1% own

MPWRSSELL◷$136.4K

Monolithic Power Systems INCFeb 2

120 sh @ $1,136.35 · -0.2% own

MPWRSSELL◷$136.3K

Monolithic Power Systems INCFeb 2

120 sh @ $1,135.49 · -0.2% own

MPWRSSELL◷$273.4K

Monolithic Power Systems INCFeb 2

241 sh @ $1,134.41 · -0.4% own

MPWRSSELL◷$429.6K

Monolithic Power Systems INCFeb 2

379 sh @ $1,133.47 · -0.6% own

MPWRSSELL◷$364.7K

Monolithic Power Systems INCFeb 2

322 sh @ $1,132.67 · -0.5% own

MPWRSSELL◷$224.1K

Monolithic Power Systems INCFeb 2

198 sh @ $1,131.70 · -0.3% own

MPWRSSELL◷$361.8K

Monolithic Power Systems INCFeb 2

320 sh @ $1,130.48 · -0.5% own

MPWRSSELL◷$271K

Monolithic Power Systems INCFeb 2

240 sh @ $1,129.28 · -0.4% own

MPWRSSELL◷$270.8K

Monolithic Power Systems INCFeb 2

240 sh @ $1,128.43 · -0.4% own

MPWRSSELL◷$90.2K

Monolithic Power Systems INCFeb 2

80 sh @ $1,127.39 · -0.1% own

MPWRSSELL◷$225.3K

Monolithic Power Systems INCFeb 2

200 sh @ $1,126.58 · -0.3% own

MPWRSSELL◷$44.9K

Monolithic Power Systems INCFeb 2

40 sh @ $1,122.56 · <0.1% own

MPWRSSELL◷$89.7K

Monolithic Power Systems INCFeb 2

80 sh @ $1,120.77 · -0.1% own

MPWRSSELL◷$44.7K

Monolithic Power Systems INCFeb 2

40 sh @ $1,117.11 · <0.1% own

MPWRSSELL◷$244.3K

Monolithic Power Systems INCFeb 2

220 sh @ $1,110.58 · -0.3% own

MPWRSSELL◷$75.7K

Monolithic Power Systems INCJan 2

80 sh @ $946.62 · -0.1% own

MPWRSSELL◷$37.8K

Monolithic Power Systems INCJan 2

40 sh @ $945.00 · <0.1% own

MPWRSSELL◷$613.8K

Monolithic Power Systems INCJan 2

650 sh @ $944.35 · -0.9% own

MPWRSSELL◷$508.7K

Monolithic Power Systems INCJan 2

539 sh @ $943.71 · -0.8% own

MPWRSSELL◷$69.7K

Monolithic Power Systems INCJan 2

74 sh @ $942.42 · -0.1% own

MPWRSSELL◷$382.3K

Monolithic Power Systems INCJan 2

406 sh @ $941.60 · -0.6% own

MPWRSSELL◷$37.6K

Monolithic Power Systems INCJan 2

40 sh @ $940.03 · <0.1% own

MPWRSSELL◷$110K

Monolithic Power Systems INCJan 2

117 sh @ $939.75 · -0.2% own

MPWRSSELL◷$431.7K

Monolithic Power Systems INCJan 2

460 sh @ $938.52 · -0.7% own

MPWRSSELL◷$112.4K

Monolithic Power Systems INCJan 2

120 sh @ $936.50 · -0.2% own

MPWRSSELL◷$74.8K

Monolithic Power Systems INCJan 2

80 sh @ $935.33 · -0.1% own

MPWRSSELL◷$37.4K

Monolithic Power Systems INCJan 2

40 sh @ $934.74 · <0.1% own

MPWRSSELL◷$74.7K

Monolithic Power Systems INCJan 2

80 sh @ $933.64 · -0.1% own

MPWRSSELL◷$180.6K

Monolithic Power Systems INCJan 2

194 sh @ $930.86 · -0.3% own

MPWRSSELL◷$74.2K

Monolithic Power Systems INCJan 2

80 sh @ $927.61 · -0.1% own

MPWRSSELL◷$51K

Monolithic Power Systems INCDec 1, 2025

56 sh @ $911.59 · <0.1% own

MPWRSSELL◷$1.8M

Monolithic Power Systems INCDec 1, 2025

1,984 sh @ $909.00 · -2.7% own

MPWRSSELL◷$436.2K

Monolithic Power Systems INCDec 1, 2025

480 sh @ $908.69 · -0.7% own

MPWRSSELL◷$72.6K

Monolithic Power Systems INCDec 1, 2025

80 sh @ $907.59 · -0.1% own

MPWRSSELL◷$72.5K

Monolithic Power Systems INCDec 1, 2025

80 sh @ $906.84 · -0.1% own

MPWRSSELL◷$108.5K

Monolithic Power Systems INCDec 1, 2025

120 sh @ $904.38 · -0.2% own

MPWRSSELL◷$36.1K

Monolithic Power Systems INCDec 1, 2025

40 sh @ $902.31 · <0.1% own

MPWRSSELL◷$72.2K

Monolithic Power Systems INCDec 1, 2025

80 sh @ $901.88 · -0.1% own

MPWRSSELL◷$36K

Monolithic Power Systems INCDec 1, 2025

40 sh @ $900.88 · <0.1% own

MPWRSSELL◷$36K

Monolithic Power Systems INCDec 1, 2025

40 sh @ $899.73 · <0.1% own

MPWRSSELL◷$48.8K

Monolithic Power Systems INCNov 3, 2025

47 sh @ $1,038.41 · <0.1% own

MPWRSSELL◷$41.4K

Monolithic Power Systems INCNov 3, 2025

40 sh @ $1,035.25 · <0.1% own

MPWRSSELL◷$41.4K

Monolithic Power Systems INCNov 3, 2025

40 sh @ $1,034.99 · <0.1% own

MPWRSSELL◷$82.6K

Monolithic Power Systems INCNov 3, 2025

80 sh @ $1,033.00 · -0.1% own

MPWRSSELL◷$189.9K

Monolithic Power Systems INCNov 3, 2025

184 sh @ $1,032.07 · -0.3% own

MPWRSSELL◷$17.5K

Monolithic Power Systems INCNov 3, 2025

17 sh @ $1,031.86 · <0.1% own

MPWRSSELL◷$216.3K

Monolithic Power Systems INCNov 3, 2025

210 sh @ $1,030.00 · -0.3% own

MPWRSSELL◷$253.2K

Monolithic Power Systems INCNov 3, 2025

246 sh @ $1,029.45 · -0.3% own

MPWRSSELL◷$246.8K

Monolithic Power Systems INCNov 3, 2025

240 sh @ $1,028.43 · -0.3% own

MPWRSSELL◷$205.5K

Monolithic Power Systems INCNov 3, 2025

200 sh @ $1,027.49 · -0.3% own

MPWRSSELL◷$44.1K

Monolithic Power Systems INCNov 3, 2025

43 sh @ $1,025.91 · <0.1% own

MPWRSSELL◷$213.2K

Monolithic Power Systems INCNov 3, 2025

208 sh @ $1,024.86 · -0.3% own

MPWRSSELL◷$297.8K

Monolithic Power Systems INCNov 3, 2025

291 sh @ $1,023.32 · -0.4% own

MPWRSSELL◷$40.9K

Monolithic Power Systems INCNov 3, 2025

40 sh @ $1,022.28 · <0.1% own

MPWRSSELL◷$171.6K

Monolithic Power Systems INCNov 3, 2025

168 sh @ $1,021.28 · -0.2% own

MPWRSSELL◷$163.2K

Monolithic Power Systems INCNov 3, 2025

160 sh @ $1,020.30 · -0.2% own

MPWRSSELL◷$184.5K

Monolithic Power Systems INCNov 3, 2025

181 sh @ $1,019.49 · -0.2% own

MPWRSSELL◷$183.2K

Monolithic Power Systems INCNov 3, 2025

180 sh @ $1,018.01 · -0.2% own

MPWRSSELL◷$6.1K

Monolithic Power Systems INCNov 3, 2025

6 sh @ $1,017.78 · <0.1% own

MPWRSSELL◷$81.3K

Monolithic Power Systems INCNov 3, 2025

80 sh @ $1,016.51 · -0.1% own

MPWRSSELL◷$137K

Monolithic Power Systems INCNov 3, 2025

135 sh @ $1,014.47 · -0.2% own

MPWRSSELL◷$206.8K

Monolithic Power Systems INCNov 3, 2025

204 sh @ $1,013.62 · -0.3% own

MPWRFTAX$53M

Monolithic Power Systems INCOct 30, 2025

48,298 sh @ $1,096.63 · -38.4% own

MPWRAGRANT—

Monolithic Power Systems INCOct 25, 2025

87,690 sh · +231.1% own

MPWRSSELL◷$146.7K

Monolithic Power Systems INCOct 1, 2025

160 sh @ $917.17 · -0.4% own

MPWRSSELL◷$531.5K

Monolithic Power Systems INCOct 1, 2025

580 sh @ $916.37 · -1.5% own

MPWRSSELL◷$402.8K

Monolithic Power Systems INCOct 1, 2025

440 sh @ $915.43 · -1.1% own

MPWRSSELL◷$356.7K

Monolithic Power Systems INCOct 1, 2025

390 sh @ $914.71 · -1.0% own

MPWRSSELL◷$126.1K

Monolithic Power Systems INCOct 1, 2025

138 sh @ $913.87 · -0.4% own

MPWRSSELL◷$617K

Monolithic Power Systems INCOct 1, 2025

676 sh @ $912.73 · -1.7% own

MPWRSSELL◷$59.2K

Monolithic Power Systems INCOct 1, 2025

65 sh @ $911.27 · -0.2% own

MPWRSSELL◷$72.8K

Monolithic Power Systems INCOct 1, 2025

80 sh @ $909.52 · -0.2% own

MPWRSSELL◷$226.8K

Monolithic Power Systems INCOct 1, 2025

250 sh @ $907.36 · -0.6% own

MPWRSSELL◷$104.1K

Monolithic Power Systems INCOct 1, 2025

115 sh @ $905.37 · -0.3% own

MPWRSSELL◷$54.2K

Monolithic Power Systems INCOct 1, 2025

60 sh @ $904.00 · -0.1% own

MPWRSSELL◷$36.2K

Monolithic Power Systems INCOct 1, 2025

40 sh @ $903.82 · -0.1% own

MPWRSSELL◷$5.4K

Monolithic Power Systems INCOct 1, 2025

6 sh @ $902.61 · <0.1% own

MPWRSSELL◷$103.6K

Monolithic Power Systems INCSep 2, 2025

126 sh @ $822.59 · -0.3% own

MPWRSSELL◷$164.4K

Monolithic Power Systems INCSep 2, 2025

200 sh @ $821.75 · -0.5% own

MPWRSSELL◷$164.1K

Monolithic Power Systems INCSep 2, 2025

200 sh @ $820.70 · -0.5% own

MPWRSSELL◷$81.8K

Monolithic Power Systems INCSep 2, 2025

100 sh @ $818.44 · -0.2% own

MPWRSSELL◷$468.7K

Monolithic Power Systems INCSep 2, 2025

574 sh @ $816.47 · -1.4% own

MPWRSSELL◷$326.2K

Monolithic Power Systems INCSep 2, 2025

400 sh @ $815.39 · -0.9% own

MPWRSSELL◷$163K

Monolithic Power Systems INCSep 2, 2025

200 sh @ $814.75 · -0.5% own

MPWRSSELL◷$81.3K

Monolithic Power Systems INCSep 2, 2025

100 sh @ $813.09 · -0.2% own

MPWRSSELL◷$81.3K

Monolithic Power Systems INCSep 2, 2025

100 sh @ $812.84 · -0.2% own

MPWRSSELL◷$405.7K

Monolithic Power Systems INCSep 2, 2025

500 sh @ $811.45 · -1.1% own

MPWRSSELL◷$80.9K

Monolithic Power Systems INCSep 2, 2025

100 sh @ $808.53 · -0.2% own

MPWRSSELL◷$161.3K

Monolithic Power Systems INCSep 2, 2025

200 sh @ $806.57 · -0.5% own

MPWRSSELL◷$80.5K

Monolithic Power Systems INCSep 2, 2025

100 sh @ $804.64 · -0.2% own

MPWRSSELL◷$80.3K

Monolithic Power Systems INCSep 2, 2025

100 sh @ $803.43 · -0.2% own

MPWRSSELL◷$2.3M

Monolithic Power Systems INCAug 1, 2025

3,000 sh @ $750.00 · -6.4% own

MPWRSSELL◷$4.5M

Monolithic Power Systems INCJul 1, 2025

6,000 sh @ $750.00 · -11.3% own