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$MPWR
$1,194.70 +$27.43 (2.35%) Live

Insider Transactions

What Monolithic Power Systems Inc's executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

3 months 12 months
Open-market buys 0 0
Sells 14 313
Total trades 19 345

Shares traded

3 months 12 months
Acquired 27,000 383,666
Disposed 57,278 1,009,359
Net activity −30,278 −625,693

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

Insider Relation Date Transaction Shares Price Value Shares held
Hsing Michael CEO Sep 28 Disclosed 10b5-1 sale · S −130 $1,356.94 −$176K 818,264
Hsing Michael CEO Sep 28 Disclosed 10b5-1 sale · S −10,967 $1,351.43 −$14.8M 818,394
Hsing Michael CEO Sep 28 Disclosed 10b5-1 sale · S −6,343 $1,347.15 −$8.54M 829,361
Hsing Michael CEO Sep 28 Disclosed 10b5-1 sale · S −5,783 $1,343.76 −$7.77M 835,704
Hsing Michael CEO Sep 28 Disclosed 10b5-1 sale · S −2,949 $1,338.66 −$3.95M 841,487
Hsing Michael CEO Sep 28 Disclosed 10b5-1 sale · S −1,111 $1,333.34 −$1.48M 844,436
Hsing Michael CEO Sep 28 Disclosed 10b5-1 sale · S −2,121 $1,328.54 −$2.82M 845,547
Hsing Michael CEO Sep 28 Disclosed 10b5-1 sale · S −596 $1,323.31 −$789K 847,668
Tseng Saria EVP & General Counsel Aug 31 Gift · G +2,000 — — 2,000
Tseng Saria EVP & General Counsel Aug 31 Gift · G −2,000 — — 142,218
Dean Robert W Ii Interim CFO Aug 24 Other Transaction · J −5 — — 7,089
Dean Robert W Ii Interim CFO Aug 24 Sale for tax withholding · S −32 $1,297.72 −$41.5K 7,094
Chang Kuo Wei Herbert Director Aug 24 Open-market sale · S −50 $1,281.57 −$64.1K 515
Dean Robert W Ii Interim CFO Aug 17 Sale for tax withholding · S −6 $1,413.64 −$8.48K 7,126
Chang Kuo Wei Herbert Director Aug 11 Open-market sale · S −50 $1,420.00 −$71K 565
Dean Robert W Ii Interim CFO Aug 05 Open-market sale · S −105 $1,344.27 −$141K 7,132
Sciammas Maurice EVP, WW Sales & Marketing Aug 04 Gift · G +25,000 — — 36,062
Sciammas Maurice EVP, WW Sales & Marketing Aug 04 Gift · G −25,000 — — 126,644
Sciammas Maurice EVP, WW Sales & Marketing Aug 03 Disclosed 10b5-1 sale · S −30 $1,343.94 −$40.3K 1,119
Dean Robert W Ii Interim CFO Jul 25 Grant / award · A +1,359 — — 7,237

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