4//SEC Filing
Hsing Michael 4
Accession 0001214659-25-016420
CIK 0001280452other
Filed
Nov 12, 7:00 PM ET
Accepted
Nov 13, 4:15 PM ET
Size
42.1 KB
Accession
0001214659-25-016420
Insider Transaction Report
Form 4
Hsing Michael
DirectorCEO
Transactions
- Sale
Common Stock
2025-11-12$966.45/sh−6,562$6,341,845→ 927,906 total - Sale
Common Stock
2025-11-12$970.29/sh−728$706,371→ 921,107 total - Sale
Common Stock
2025-11-12$972.78/sh−461$448,452→ 920,587 total - Sale
Common Stock
2025-11-12$957.58/sh−403$385,905→ 955,266 total - Sale
Common Stock
2025-11-12$960.45/sh−403$387,061→ 951,624 total - Sale
Common Stock
2025-11-12$964.47/sh−3,264$3,148,030→ 940,087 total - Sale
Common Stock
2025-11-12$958.34/sh−2,799$2,682,394→ 952,467 total - Sale
Common Stock
2025-11-12$963.47/sh−3,552$3,422,245→ 943,351 total - Sale
Common Stock
2025-11-12$962.61/sh−2,817$2,711,672→ 946,903 total - Sale
Common Stock
2025-11-12$965.50/sh−5,619$5,425,145→ 934,468 total - Sale
Common Stock
2025-11-12$968.37/sh−2,072$2,006,463→ 922,810 total - Sale
Common Stock
2025-11-12$979.59/sh−633$620,080→ 919,656 total - Sale
Common Stock
2025-11-12$959.36/sh−440$422,118→ 952,027 total - Sale
Common Stock
2025-11-12$961.63/sh−1,904$1,830,944→ 949,720 total - Sale
Common Stock
2025-11-12$967.41/sh−3,024$2,925,448→ 924,882 total - Sale
Common Stock
2025-11-12$969.62/sh−975$945,380→ 921,835 total - Sale
Common Stock
2025-11-12$971.81/sh−59$57,337→ 921,048 total - Sale
Common Stock
2025-11-12$973.73/sh−298$290,172→ 920,289 total - Sale
Common Stock
2025-11-12$980.06/sh−987$967,319→ 918,669 total
Holdings
- 133,040(indirect: By Trust)
Common Stock
- 12,825(indirect: By Trust)
Common Stock
Footnotes (19)
- [F1]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $957.18 to $957.95. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F10]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $966.00 to $ 966.99. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F11]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $967.00 to $967.93. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F12]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $968.01 to $968.94. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F13]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $969.14 to $969.98. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F14]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $970.02 to $970.85. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F15]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $971.74 to $971.96. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F16]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $972.05 to $972.98. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F17]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $973.45 to $973.84. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F18]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $979.59 to $979.60. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F19]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $980.00 to $980.25. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F2]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $958.06 to $958.88. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F3]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $959.01 to $959.56. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F4]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $960.00 to $960.74. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F5]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $961.07 to $961.98. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F6]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $962.02 to $962.99. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F7]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $963.00 to $963.99. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F8]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $964.00 to $964.92. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- [F9]The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $965.00 to $965.98. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Documents
Issuer
MONOLITHIC POWER SYSTEMS INC
CIK 0001280452
Entity typeother
Related Parties
1- filerCIK 0001308676
Filing Metadata
- Form type
- 4
- Filed
- Nov 12, 7:00 PM ET
- Accepted
- Nov 13, 4:15 PM ET
- Size
- 42.1 KB