Tseng Saria — Insider Trades & Holdings | InsiderBid

Tseng Saria

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

Lifetime net: -$164.2M

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	$164.2M	-$164.2M	2,000	Aug 31

Monolithic Power Systems INC

-$164.2M

Bought

$0

Sold

$164.2M

Held

2,000

Filing record

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

All 16 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 75 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
Aug 31	MPWR	Monolithic Power Systems…	GGIFT	2,000	—	—	—	Open the original filing on SEC.gov
Aug 31	MPWR	Monolithic Power Systems…	GGIFT	2,000	—	—	-1.4%	Open the original filing on SEC.gov
May 27	MPWR

MPWRGGIFT—

Monolithic Power Systems INCAug 31

2,000 sh

MPWRGGIFT—

Monolithic Power Systems INCAug 31

2,000 sh · -1.4% own

MPWRSSELL$12.9M

Monolithic Power Systems INCMay 27

7,565 sh @ $1,700.00 · -5.0% own

MPWRSSELL$7.9M

Monolithic Power Systems INCMay 22

5,000 sh @ $1,586.43 · -3.2% own

MPWRGGIFT—

Monolithic Power Systems INCMay 22

200 sh · -0.1% own

MPWRSSELL◷$158.6K

Monolithic Power Systems INCApr 8

120 sh @ $1,321.94 · <0.1% own

MPWRSSELL◷$1.1M

Monolithic Power Systems INCApr 8

840 sh @ $1,319.25 · -0.5% own

MPWRSSELL◷$5.6M

Monolithic Power Systems INCApr 8

4,244 sh @ $1,312.82 · -2.6% own

MPWRSSELL◷$1.7M

Monolithic Power Systems INCApr 8

1,279 sh @ $1,308.30 · -0.8% own

MPWRSSELL◷$1M

Monolithic Power Systems INCApr 8

800 sh @ $1,302.52 · -0.5% own

MPWRSSELL◷$516.8K

Monolithic Power Systems INCApr 8

400 sh @ $1,292.08 · -0.2% own

MPWRSSELL◷$154.5K

Monolithic Power Systems INCApr 8

120 sh @ $1,287.12 · <0.1% own

MPWRSSELL◷$307.1K

Monolithic Power Systems INCApr 8

240 sh @ $1,279.55 · -0.1% own

MPWRSSELL◷$457.3K

Monolithic Power Systems INCApr 8

360 sh @ $1,270.29 · -0.2% own

MPWRSSELL◷$709.2K

Monolithic Power Systems INCApr 8

560 sh @ $1,266.48 · -0.3% own

MPWRSSELL◷$1.6M

Monolithic Power Systems INCApr 6

1,396 sh @ $1,179.50 · -0.8% own

MPWRSSELL◷$2M

Monolithic Power Systems INCApr 6

1,680 sh @ $1,176.35 · -1.0% own

MPWRSSELL◷$2.4M

Monolithic Power Systems INCApr 6

2,036 sh @ $1,170.38 · -1.2% own

MPWRSSELL◷$797.3K

Monolithic Power Systems INCApr 6

684 sh @ $1,165.66 · -0.4% own

MPWRSSELL◷$649.4K

Monolithic Power Systems INCApr 6

560 sh @ $1,159.62 · -0.3% own

MPWRSSELL◷$551.5K

Monolithic Power Systems INCApr 6

480 sh @ $1,149.05 · -0.3% own

MPWRSSELL◷$636.3K

Monolithic Power Systems INCApr 6

556 sh @ $1,144.42 · -0.3% own

MPWRSSELL◷$278.2K

Monolithic Power Systems INCApr 6

244 sh @ $1,139.96 · -0.1% own

MPWRSSELL◷$332K

Monolithic Power Systems INCApr 1

292 sh @ $1,136.99 · -0.2% own

MPWRSSELL◷$213.6K

Monolithic Power Systems INCApr 1

188 sh @ $1,135.91 · -0.1% own

MPWRSSELL◷$181.5K

Monolithic Power Systems INCApr 1

160 sh @ $1,134.14 · <0.1% own

MPWRSSELL◷$208.3K

Monolithic Power Systems INCApr 1

184 sh @ $1,132.15 · -0.1% own

MPWRSSELL◷$651.6K

Monolithic Power Systems INCApr 1

576 sh @ $1,131.24 · -0.3% own

MPWRSSELL◷$83.3K

Monolithic Power Systems INCMar 30

80 sh @ $1,041.12 · <0.1% own

MPWRSSELL◷$171.9K

Monolithic Power Systems INCMar 30

166 sh @ $1,035.60 · <0.1% own

MPWRSSELL◷$2.5M

Monolithic Power Systems INCMar 30

2,440 sh @ $1,029.21 · -1.4% own

MPWRSSELL◷$2.3M

Monolithic Power Systems INCMar 30

2,200 sh @ $1,023.00 · -1.2% own

MPWRSSELL◷$3.2M

Monolithic Power Systems INCMar 30

3,194 sh @ $1,017.22 · -1.7% own

MPWRSSELL◷$3.4M

Monolithic Power Systems INCMar 30

3,360 sh @ $1,009.63 · -1.8% own

MPWRSSELL◷$9.1M

Monolithic Power Systems INCMar 30

9,080 sh @ $1,005.18 · -4.6% own

MPWRSSELL◷$5.2M

Monolithic Power Systems INCMar 30

5,154 sh @ $1,000.81 · -2.6% own

MPWRSSELL$26.8M

Monolithic Power Systems INCFeb 6

22,875 sh @ $1,171.16 · -10.2% own

MPWRAGRANT—

Monolithic Power Systems INCFeb 3

57,170 sh · +34.4% own

MPWRGGIFT—

Monolithic Power Systems INCDec 24, 2025

1,000 sh

MPWRGGIFT—

Monolithic Power Systems INCDec 24, 2025

1,000 sh · -0.6% own

MPWRSSELL$632.7K

Monolithic Power Systems INCNov 26, 2025

680 sh @ $930.48 · -0.4% own

MPWRSSELL$2.1M

Monolithic Power Systems INCNov 26, 2025

2,238 sh @ $929.29 · -1.3% own

MPWRSSELL$913.7K

Monolithic Power Systems INCNov 26, 2025

984 sh @ $928.60 · -0.6% own

MPWRSSELL$1.7M

Monolithic Power Systems INCNov 26, 2025

1,845 sh @ $927.41 · -1.1% own

MPWRSSELL$9.6M

Monolithic Power Systems INCNov 26, 2025

10,360 sh @ $926.02 · -5.7% own

MPWRSSELL$1M

Monolithic Power Systems INCNov 26, 2025

1,126 sh @ $925.55 · -0.6% own

MPWRSSELL$1.2M

Monolithic Power Systems INCNov 26, 2025

1,327 sh @ $924.32 · -0.7% own

MPWRSSELL$1.1M

Monolithic Power Systems INCNov 26, 2025

1,200 sh @ $923.54 · -0.6% own

MPWRSSELL$221.5K

Monolithic Power Systems INCNov 26, 2025

240 sh @ $922.78 · -0.1% own

MPWRSSELL$219K

Monolithic Power Systems INCNov 25, 2025

240 sh @ $912.30 · -0.1% own

MPWRSSELL$295.5K

Monolithic Power Systems INCNov 25, 2025

324 sh @ $911.92 · -0.2% own

MPWRSSELL$326.8K

Monolithic Power Systems INCNov 25, 2025

359 sh @ $910.42 · -0.2% own

MPWRSSELL$505.6K

Monolithic Power Systems INCNov 25, 2025

556 sh @ $909.35 · -0.3% own

MPWRSSELL$806.7K

Monolithic Power Systems INCNov 25, 2025

888 sh @ $908.49 · -0.5% own

MPWRSSELL$9.3M

Monolithic Power Systems INCNov 25, 2025

10,200 sh @ $907.21 · -5.1% own

MPWRSSELL$246.5K

Monolithic Power Systems INCNov 25, 2025

272 sh @ $906.33 · -0.1% own

MPWRSSELL$144.9K

Monolithic Power Systems INCNov 25, 2025

160 sh @ $905.32 · <0.1% own

MPWRSSELL$180.9K

Monolithic Power Systems INCNov 25, 2025

200 sh @ $904.39 · -0.1% own

MPWRSSELL$144.6K

Monolithic Power Systems INCNov 25, 2025

160 sh @ $903.54 · <0.1% own

MPWRSSELL$108.2K

Monolithic Power Systems INCNov 25, 2025

120 sh @ $902.07 · <0.1% own

MPWRSSELL$793.4K

Monolithic Power Systems INCNov 25, 2025

880 sh @ $901.58 · -0.4% own

MPWRSSELL$311.5K

Monolithic Power Systems INCNov 25, 2025

346 sh @ $900.41 · -0.2% own

MPWRSSELL$287.8K

Monolithic Power Systems INCNov 25, 2025

320 sh @ $899.37 · -0.2% own

MPWRSSELL$130.3K

Monolithic Power Systems INCNov 25, 2025

145 sh @ $898.38 · <0.1% own

MPWRSSELL$676.7K

Monolithic Power Systems INCNov 25, 2025

754 sh @ $897.54 · -0.4% own

MPWRSSELL$1.9M

Monolithic Power Systems INCNov 25, 2025

2,066 sh @ $896.37 · -1.0% own

MPWRSSELL$1.5M

Monolithic Power Systems INCNov 25, 2025

1,625 sh @ $895.63 · -0.8% own

MPWRSSELL$344.4K

Monolithic Power Systems INCNov 25, 2025

385 sh @ $894.54 · -0.2% own

MPWRFTAX$59.8M

Monolithic Power Systems INCOct 30, 2025

54,543 sh @ $1,096.63 · -20.8% own

MPWRAGRANT—

Monolithic Power Systems INCOct 25, 2025

135,520 sh · +107.3% own

MPWRSSELL◷$1.4M

Monolithic Power Systems INCOct 24, 2025

1,300 sh @ $1,087.62 · -1.0% own

MPWRSSELL◷$1.4M

Monolithic Power Systems INCOct 16, 2025

1,313 sh @ $1,030.81 · -1.0% own

MPWRSSELL◷$1.5M

Monolithic Power Systems INCOct 16, 2025

1,499 sh @ $1,021.26 · -1.1% own

MPWRSSELL◷$14.3M

Monolithic Power Systems INCOct 15, 2025

14,028 sh @ $1,016.18 · -9.7% own

MPWRSSELL◷$13.3M

Monolithic Power Systems INCSep 18, 2025

14,510 sh @ $914.45 · -9.1% own