Hsing Michael — Insider Trades & Holdings | InsiderBid

Hsing Michael

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

Lifetime net: -$331.2M

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	$331.2M	-$331.2M	848,263	May 18

Monolithic Power Systems INC

-$331.2M

Bought

$0

Sold

$331.2M

Held

848,263

Filing record

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

All 12 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 96 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
May 18	MPWR	Monolithic Power Systems…	SSELL	130	$1,521.43	$197.8K	<0.1%	Open the original filing on SEC.gov
May 18	MPWR	Monolithic Power Systems…	SSELL	352	$1,518.15	$534.4K	<0.1%

MPWRSSELL$197.8K

Monolithic Power Systems INCMay 18

130 sh @ $1,521.43 · <0.1% own

MPWRSSELL$534.4K

Monolithic Power Systems INCMay 18

352 sh @ $1,518.15 · <0.1% own

MPWRSSELL$833.7K

Monolithic Power Systems INCMay 18

551 sh @ $1,513.11 · <0.1% own

MPWRSSELL$5.7M

Monolithic Power Systems INCMay 18

3,769 sh @ $1,507.70 · -0.4% own

MPWRSSELL$4.4M

Monolithic Power Systems INCMay 18

2,929 sh @ $1,503.05 · -0.3% own

MPWRSSELL$911.7K

Monolithic Power Systems INCMay 18

608 sh @ $1,499.46 · <0.1% own

MPWRSSELL$1.3M

Monolithic Power Systems INCMay 18

862 sh @ $1,491.48 · -0.1% own

MPWRSSELL$9.9M

Monolithic Power Systems INCMay 18

6,688 sh @ $1,486.76 · -0.8% own

MPWRSSELL$8.5M

Monolithic Power Systems INCMay 18

5,737 sh @ $1,482.51 · -0.7% own

MPWRSSELL$6M

Monolithic Power Systems INCMay 18

4,082 sh @ $1,476.96 · -0.5% own

MPWRSSELL$7.4M

Monolithic Power Systems INCMay 18

5,049 sh @ $1,472.84 · -0.6% own

MPWRSSELL$8.5M

Monolithic Power Systems INCMay 18

5,819 sh @ $1,467.62 · -0.7% own

MPWRSSELL$5M

Monolithic Power Systems INCMay 18

3,424 sh @ $1,462.61 · -0.4% own

MPWRSSELL◷$1.8M

Monolithic Power Systems INCFeb 12

1,440 sh @ $1,217.12 · -0.2% own

MPWRSSELL◷$1.5M

Monolithic Power Systems INCFeb 12

1,240 sh @ $1,210.11 · -0.1% own

MPWRSSELL◷$4.4M

Monolithic Power Systems INCFeb 12

3,640 sh @ $1,205.82 · -0.4% own

MPWRSSELL◷$1.7M

Monolithic Power Systems INCFeb 12

1,440 sh @ $1,200.81 · -0.2% own

MPWRSSELL◷$716.6K

Monolithic Power Systems INCFeb 12

600 sh @ $1,194.34 · <0.1% own

MPWRSSELL◷$190.1K

Monolithic Power Systems INCFeb 12

160 sh @ $1,188.23 · <0.1% own

MPWRSSELL◷$566.8K

Monolithic Power Systems INCFeb 12

480 sh @ $1,180.79 · <0.1% own

MPWRSSELL◷$234.7K

Monolithic Power Systems INCFeb 12

200 sh @ $1,173.39 · <0.1% own

MPWRSSELL◷$2.4M

Monolithic Power Systems INCFeb 12

2,076 sh @ $1,168.80 · -0.2% own

MPWRSSELL◷$4.7M

Monolithic Power Systems INCFeb 12

4,001 sh @ $1,164.92 · -0.4% own

MPWRSSELL◷$5.8M

Monolithic Power Systems INCFeb 12

4,992 sh @ $1,159.84 · -0.5% own

MPWRSSELL◷$14.7M

Monolithic Power Systems INCFeb 12

12,731 sh @ $1,155.71 · -1.4% own

MPWRSSELL◷$780.3K

Monolithic Power Systems INCFeb 11

649 sh @ $1,202.28 · <0.1% own

MPWRSSELL◷$17.5M

Monolithic Power Systems INCFeb 11

14,578 sh @ $1,197.20 · -1.6% own

MPWRSSELL◷$7.3M

Monolithic Power Systems INCFeb 11

6,079 sh @ $1,192.67 · -0.6% own

MPWRSSELL◷$2.5M

Monolithic Power Systems INCFeb 11

2,104 sh @ $1,188.17 · -0.2% own

MPWRSSELL◷$1.8M

Monolithic Power Systems INCFeb 11

1,542 sh @ $1,182.82 · -0.2% own

MPWRSSELL◷$3.3M

Monolithic Power Systems INCFeb 11

2,799 sh @ $1,177.67 · -0.3% own

MPWRSSELL◷$2.3M

Monolithic Power Systems INCFeb 11

1,987 sh @ $1,172.92 · -0.2% own

MPWRSSELL◷$1.8M

Monolithic Power Systems INCFeb 11

1,533 sh @ $1,167.62 · -0.2% own

MPWRSSELL◷$1.6M

Monolithic Power Systems INCFeb 11

1,366 sh @ $1,163.71 · -0.1% own

MPWRSSELL◷$420.6K

Monolithic Power Systems INCFeb 11

363 sh @ $1,158.71 · <0.1% own

MPWRSSELL◷$335.2K

Monolithic Power Systems INCFeb 10

280 sh @ $1,197.26 · <0.1% own

MPWRSSELL◷$1M

Monolithic Power Systems INCFeb 10

880 sh @ $1,176.04 · <0.1% own

MPWRSSELL◷$418.1K

Monolithic Power Systems INCFeb 10

360 sh @ $1,161.41 · <0.1% own

MPWRSSELL◷$801.5K

Monolithic Power Systems INCFeb 10

694 sh @ $1,154.96 · <0.1% own

MPWRSSELL◷$1.4M

Monolithic Power Systems INCFeb 10

1,215 sh @ $1,151.11 · -0.1% own

MPWRSSELL◷$4.4M

Monolithic Power Systems INCFeb 10

3,864 sh @ $1,145.90 · -0.4% own

MPWRSSELL◷$18.4M

Monolithic Power Systems INCFeb 10

16,080 sh @ $1,141.88 · -1.6% own

MPWRSSELL◷$7.2M

Monolithic Power Systems INCFeb 10

6,325 sh @ $1,136.75 · -0.6% own

MPWRSSELL◷$4.9M

Monolithic Power Systems INCFeb 10

4,302 sh @ $1,132.01 · -0.4% own

MPWRSSELL$64.3M

Monolithic Power Systems INCFeb 6

54,923 sh @ $1,171.16 · -5.3% own

MPWRAGRANT—

Monolithic Power Systems INCFeb 3

136,825 sh · +15.1% own

MPWRGGIFT—

Monolithic Power Systems INCDec 9, 2025

12,337 sh · -1.3% own

MPWRSSELL$967.3K

Monolithic Power Systems INCNov 12, 2025

987 sh @ $980.06 · -0.1% own

MPWRSSELL$620.1K

Monolithic Power Systems INCNov 12, 2025

633 sh @ $979.59 · <0.1% own

MPWRSSELL$290.2K

Monolithic Power Systems INCNov 12, 2025

298 sh @ $973.73 · <0.1% own

MPWRSSELL$448.5K

Monolithic Power Systems INCNov 12, 2025

461 sh @ $972.78 · <0.1% own

MPWRSSELL$57.3K

Monolithic Power Systems INCNov 12, 2025

59 sh @ $971.81 · <0.1% own

MPWRSSELL$706.4K

Monolithic Power Systems INCNov 12, 2025

728 sh @ $970.29 · <0.1% own

MPWRSSELL$945.4K

Monolithic Power Systems INCNov 12, 2025

975 sh @ $969.62 · -0.1% own

MPWRSSELL$2M

Monolithic Power Systems INCNov 12, 2025

2,072 sh @ $968.37 · -0.2% own

MPWRSSELL$2.9M

Monolithic Power Systems INCNov 12, 2025

3,024 sh @ $967.41 · -0.3% own

MPWRSSELL$6.3M

Monolithic Power Systems INCNov 12, 2025

6,562 sh @ $966.45 · -0.7% own

MPWRSSELL$5.4M

Monolithic Power Systems INCNov 12, 2025

5,619 sh @ $965.50 · -0.6% own

MPWRSSELL$3.1M

Monolithic Power Systems INCNov 12, 2025

3,264 sh @ $964.47 · -0.4% own

MPWRSSELL$3.4M

Monolithic Power Systems INCNov 12, 2025

3,552 sh @ $963.47 · -0.4% own

MPWRSSELL$2.7M

Monolithic Power Systems INCNov 12, 2025

2,817 sh @ $962.61 · -0.3% own

MPWRSSELL$1.8M

Monolithic Power Systems INCNov 12, 2025

1,904 sh @ $961.63 · -0.2% own

MPWRSSELL$387.1K

Monolithic Power Systems INCNov 12, 2025

403 sh @ $960.45 · <0.1% own

MPWRSSELL$422.1K

Monolithic Power Systems INCNov 12, 2025

440 sh @ $959.36 · <0.1% own

MPWRSSELL$2.7M

Monolithic Power Systems INCNov 12, 2025

2,799 sh @ $958.34 · -0.3% own

MPWRSSELL$385.9K

Monolithic Power Systems INCNov 12, 2025

403 sh @ $957.58 · <0.1% own

MPWRSSELL$148.9K

Monolithic Power Systems INCNov 11, 2025

154 sh @ $967.15 · <0.1% own

MPWRSSELL$1.2M

Monolithic Power Systems INCNov 11, 2025

1,246 sh @ $966.30 · -0.1% own

MPWRSSELL$309.9K

Monolithic Power Systems INCNov 11, 2025

321 sh @ $965.44 · <0.1% own

MPWRSSELL$712.7K

Monolithic Power Systems INCNov 11, 2025

739 sh @ $964.38 · <0.1% own

MPWRSSELL$1.8M

Monolithic Power Systems INCNov 11, 2025

1,894 sh @ $963.41 · -0.2% own

MPWRSSELL$4M

Monolithic Power Systems INCNov 11, 2025

4,172 sh @ $962.57 · -0.4% own

MPWRSSELL$3.7M

Monolithic Power Systems INCNov 11, 2025

3,900 sh @ $961.47 · -0.4% own

MPWRSSELL$2.6M

Monolithic Power Systems INCNov 11, 2025

2,734 sh @ $960.45 · -0.3% own

MPWRSSELL$3.8M

Monolithic Power Systems INCNov 11, 2025

4,010 sh @ $959.45 · -0.4% own

MPWRSSELL$2.4M

Monolithic Power Systems INCNov 11, 2025

2,500 sh @ $958.59 · -0.3% own

MPWRSSELL$976.9K

Monolithic Power Systems INCNov 11, 2025

1,020 sh @ $957.71 · -0.1% own

MPWRSSELL$762.3K

Monolithic Power Systems INCNov 11, 2025

797 sh @ $956.50 · <0.1% own

MPWRSSELL$3.9M

Monolithic Power Systems INCNov 11, 2025

4,056 sh @ $955.46 · -0.4% own

MPWRSSELL$7.6M

Monolithic Power Systems INCNov 11, 2025

7,934 sh @ $954.61 · -0.8% own

MPWRSSELL$2.8M

Monolithic Power Systems INCNov 11, 2025

2,927 sh @ $953.69 · -0.3% own

MPWRSSELL$1.4M

Monolithic Power Systems INCNov 11, 2025

1,516 sh @ $952.62 · -0.1% own

MPWRSSELL$76.1K

Monolithic Power Systems INCNov 11, 2025

80 sh @ $951.69 · <0.1% own

MPWRFTAX$133.7M

Monolithic Power Systems INCOct 30, 2025

121,918 sh @ $1,096.63 · -10.9% own

MPWRAGRANT—

Monolithic Power Systems INCOct 25, 2025

302,920 sh · +37.2% own

MPWRSSELL$334.6K

Monolithic Power Systems INCAug 15, 2025

400 sh @ $836.40 · <0.1% own

MPWRSSELL$167K

Monolithic Power Systems INCAug 15, 2025

200 sh @ $834.92 · <0.1% own

MPWRSSELL$445.9K

Monolithic Power Systems INCAug 15, 2025

535 sh @ $833.37 · <0.1% own

MPWRSSELL$1.3M

Monolithic Power Systems INCAug 15, 2025

1,510 sh @ $832.57 · -0.2% own

MPWRSSELL$1.6M

Monolithic Power Systems INCAug 15, 2025

1,953 sh @ $831.57 · -0.2% own

MPWRSSELL$1.7M

Monolithic Power Systems INCAug 15, 2025

2,100 sh @ $830.46 · -0.3% own

MPWRSSELL$3.4M

Monolithic Power Systems INCAug 15, 2025

4,101 sh @ $829.45 · -0.5% own

MPWRSSELL$328.1K

Monolithic Power Systems INCAug 15, 2025

396 sh @ $828.64 · <0.1% own

MPWRSSELL$3.2M

Monolithic Power Systems INCAug 15, 2025

3,878 sh @ $827.72 · -0.5% own

MPWRSSELL$2.1M

Monolithic Power Systems INCAug 15, 2025

2,555 sh @ $826.64 · -0.3% own

MPWRSSELL$2.1M

Monolithic Power Systems INCAug 15, 2025

2,603 sh @ $825.69 · -0.3% own