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| Exchange: |
Nasdaq National Market |
| Security
Type: |
Common |
| Shares
Out: |
49,499,000 |
| Market
Cap: |
46.04(B) |
| Last
Volume: |
446,367 |
Avg
Vol: |
543,543 |
| 52
Week Range: |
$455.19 - $1105.05 |
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| Level
I Sector: |
Information Technology |
| Level
II Sector: |
Electronics |
| Level
III Sector: |
Semiconductor - Specialized |
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Member Indexes:
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NASDAQ COMPOSITE |
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NASDAQ COMPUTER |
| |
NASDAQ NNM COMPOSITE |
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Rankings:
|
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| Insider 3 Months : - |
| Insider 6 Months : - |
| Insider 3/6 Months : - |
|
| Guru Rank Number : 642 |
| Guru Rank Value : 3.1 |
| Guru Occurances : 1 |
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Company Profile Monolithic Power Systems is a semiconductor company that designs, develops and markets power solutions. Co. designs, develops and markets power semiconductor solutions and power delivery architectures for the computing and storage, automotive, industrial, communications and consumer markets. Co.'s product families include: Direct Current (DC) to DC Products, which are used to convert and control voltages within a range of electronic systems; and Lighting Control Products, which are used in backlighting and general illumination products, and are used in systems that provide the light source for LCD panels found in computers and notebooks, monitors, car navigation systems and televisions.
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D/I:
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D
is for direct shares.
I is
for indirect shares.
D/I
refers to the Direct or Indirect
shares traded vs. held. |
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Forms:
|
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|
A
Form 4 is a form filed
by an insider to indicate a change
in ownership.
A Form
3 is a form filed by
an insider to indicate an
initial ownership of a security. |
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3m +/-:
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|
This
represents the company's 3 month
price change. The initial price
is based on the closing price
of the stock on the day the transaction
took place. Purchases & sales
are viewed as long & short
positions respectively.
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Actions:
|
|
|
| B |
Buy |
| S |
Sell |
| OE |
Option
Exercised |
| A |
Acquired |
| D |
Disposed |
| AB |
Automatic
Buy |
| AS |
Automatic
Sell |
| IO |
Initial
Ownership |
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Download:
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|
Download only Transactions
Forms. (Default)
Download
only Summary Infomation.
Download
both Transactions and Summary Data
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| |
Summary (Direct Transactions Only)  |
3 Months |
6 Months |
12 Months |
24 Months |
| Total Shares Bought |
0 |
0 |
0 |
0 |
| Total Buy Value |
$0 |
$0 |
$0 |
$0 |
| Total People Bought |
0 |
0 |
0 |
0 |
| Total Buy Transactions |
0 |
0 |
0 |
0 |
| Total Shares Sold |
183,516 |
276,449 |
321,612 |
743,930 |
| Total Sell Value |
$172,475,141 |
$248,230,364 |
$279,954,451 |
$570,156,803 |
| Total People Sold |
5 |
9 |
9 |
10 |
| Total Sell Transactions |
16 |
27 |
40 |
116 |
| End Date |
2025-09-28 |
2025-06-27 |
2024-12-27 |
2023-12-28 |
|
| Filer's Name |
Relation Title |
Off-Dir-10% |
Tran. Date |
Form |
Action |
Price |
Mkt Value |
D/I |
Shares |
Holdings |
Rank
|
|
|
| 3m +/- |
|
|
Form |
  Lee Victor K |
|
– • – |
2025-12-24 |
4 |
AS |
$949.70 |
$951,719 |
D/D |
(1,000) |
28,567 |
|
- |
|
| Hsing Michael |
CEO |
• • – |
2025-12-09 |
4 |
GD |
$0.00 |
$0 |
D/D |
12,337 |
906,332 |
|
- |
|
| Blegen Theodore |
EVP and CFO |
• – – |
2025-12-01 |
4 |
AS |
$899.73 |
$2,724,623 |
D/D |
(3,000) |
71,332 |
|
2% |
|
| Tseng Saria |
EVP & General Counsel |
• – – |
2025-11-26 |
4 |
S |
$922.78 |
$18,529,316 |
D/D |
(20,000) |
167,331 |
|
-2% |
|
| Tseng Saria |
EVP & General Counsel |
• – – |
2025-11-25 |
4 |
S |
$894.54 |
$18,083,638 |
D/D |
(20,000) |
187,331 |
|
-4% |
|
| Chang Kuo Wei Herbert |
|
– • – |
2025-11-25 |
4 |
S |
$896.97 |
$89,697 |
D/D |
(100) |
426 |
|
-4% |
|
| Sciammas Maurice |
EVP, WW Sales & Marketing |
• – – |
2025-11-24 |
4 |
S |
$895.23 |
$3,559,434 |
D/D |
(3,976) |
144,330 |
|
-6% |
|
| Chang Kuo Wei Herbert |
|
– • – |
2025-11-21 |
4 |
S |
$873.97 |
$87,397 |
D/D |
(100) |
526 |
|
-8% |
|
| Sciammas Maurice |
EVP, WW Sales & Marketing |
• – – |
2025-11-19 |
4 |
S |
$862.58 |
$6,121,059 |
D/D |
(7,034) |
176,272 |
|
-7% |
|
| Sciammas Maurice |
EVP, WW Sales & Marketing |
• – – |
2025-11-19 |
4 |
S |
$875.26 |
$24,656,387 |
D/D |
(27,966) |
148,306 |
|
-7% |
|
| Sciammas Maurice |
EVP, WW Sales & Marketing |
• – – |
2025-11-13 |
4 |
GA |
$0.00 |
$0 |
I/I |
4,530 |
49,460 |
|
- |
|
| Sciammas Maurice |
EVP, WW Sales & Marketing |
• – – |
2025-11-13 |
4 |
GD |
$0.00 |
$0 |
I/I |
4,530 |
26,660 |
|
- |
|
| Hsing Michael |
CEO |
• • – |
2025-11-12 |
4 |
S |
$957.58 |
$35,724,380 |
D/D |
(37,000) |
918,669 |
|
1% |
|
| Hsing Michael |
CEO |
• • – |
2025-11-11 |
4 |
S |
$951.69 |
$38,335,721 |
D/D |
(40,000) |
955,669 |
|
1% |
|
| Sciammas Maurice |
EVP, WW Sales & Marketing |
• – – |
2025-11-05 |
4 |
S |
$986.81 |
$197,362 |
I/I |
(200) |
1,299 |
|
5% |
|
| Blegen Theodore |
EVP and CFO |
• – – |
2025-11-03 |
4 |
AS |
$1,013.62 |
$3,073,278 |
D/D |
(3,000) |
74,332 |
|
-6% |
|
| Blegen Theodore |
EVP and CFO |
• – – |
2025-10-30 |
4 |
D |
$1,096.63 |
$52,965,036 |
D/D |
(48,298) |
77,332 |
|
- |
|
| Xiao Deming |
EVP, Global Operations |
• – – |
2025-10-30 |
4 |
D |
$1,096.63 |
$59,813,490 |
D/D |
(54,543) |
201,637 |
|
- |
|
| Tseng Saria |
EVP & General Counsel |
• – – |
2025-10-30 |
4 |
D |
$1,096.63 |
$59,813,490 |
D/D |
(54,543) |
207,331 |
|
- |
|
| Hsing Michael |
CEO |
• • – |
2025-10-30 |
4 |
D |
$1,096.63 |
$133,698,936 |
D/D |
(121,918) |
995,669 |
|
- |
|
| Sciammas Maurice |
EVP, WW Sales & Marketing |
• – – |
2025-10-30 |
4 |
D |
$1,096.63 |
$59,813,490 |
D/D |
(54,543) |
183,306 |
|
- |
|
| Sciammas Maurice |
EVP, WW Sales & Marketing |
• – – |
2025-10-25 |
4 |
A |
$0.00 |
$0 |
D/D |
135,520 |
237,849 |
|
- |
|
| Xiao Deming |
EVP, Global Operations |
• – – |
2025-10-25 |
4 |
A |
$0.00 |
$0 |
D/D |
135,520 |
256,180 |
|
- |
|
| Hsing Michael |
CEO |
• • – |
2025-10-25 |
4 |
A |
$0.00 |
$0 |
D/D |
302,920 |
1,117,587 |
|
- |
|
| Tseng Saria |
EVP & General Counsel |
• – – |
2025-10-25 |
4 |
A |
$0.00 |
$0 |
D/D |
135,520 |
261,874 |
|
- |
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1141 Records found
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Page 1 of 46 |
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16.28 (1.72%) 
