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Hsing Michael

Disclosed activity across 1 company

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45632
SEC CIK
0001308676

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
MONOLITHIC POWER SYSTEMS, INC.MPWR · Entity 877Director · CEOSeptember 28, 2026September 30, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

MONOLITHIC POWER SYSTEMS, INC.

Report date September 28, 2026 · Filed September 30, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect847,668 Reported balance After 2026-09-28 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-09-28 · Sale · Disposed 596 · Balance 847,668

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

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 $1,320.64 to $1,325.61. 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: Ending balance includes 1 share acquired on August 17, 2026, through the Company's qualified ESPP program.

Common StockSEC Table I · non-derivativeDirect845,547 Reported balance After 2026-09-28 transaction · row 2 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 2 · 2026-09-28 · Sale · Disposed 2,121 · Balance 845,547

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

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 $1,325.65 to $1,330.62. 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.

Common StockSEC Table I · non-derivativeDirect844,436 Reported balance After 2026-09-28 transaction · row 3 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 3 · 2026-09-28 · Sale · Disposed 1,111 · Balance 844,436

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

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 $1,330.65 to $1,335.51. 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.

Common StockSEC Table I · non-derivativeDirect841,487 Reported balance After 2026-09-28 transaction · row 4 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 4 · 2026-09-28 · Sale · Disposed 2,949 · Balance 841,487

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

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 $1,335.68 to $1,340.66. 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.

Common StockSEC Table I · non-derivativeDirect835,704 Reported balance After 2026-09-28 transaction · row 5 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 5 · 2026-09-28 · Sale · Disposed 5,783 · Balance 835,704

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

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 $1,340.69 to $1,345.65. 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.

Common StockSEC Table I · non-derivativeDirect829,361 Reported balance After 2026-09-28 transaction · row 6 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 6 · 2026-09-28 · Sale · Disposed 6,343 · Balance 829,361

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

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 $1,345.66 to $1,350.47. 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.

Common StockSEC Table I · non-derivativeDirect818,394 Reported balance After 2026-09-28 transaction · row 7 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 7 · 2026-09-28 · Sale · Disposed 10,967 · Balance 818,394

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

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 $1,350.84 to $1,355.11. 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.

Common StockSEC Table I · non-derivativeDirect818,264 Reported balance After 2026-09-28 transaction · row 8 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 8 · 2026-09-28 · Sale · Disposed 130 · Balance 818,264

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

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 $1,356.78 to $1,357.00. 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.

Common StockSEC Table I · non-derivativeIndirectby M Hsing 04 Trust133,040 Reported balance Holding disclosure · report date 2026-09-28 · row 9 Holding and transaction disclosures are not merged.
1 source row

Row 9 · Balance 133,040

Common StockSEC Table I · non-derivativeIndirectZH Family 2020 Trust12,825 Reported balance Holding disclosure · report date 2026-09-28 · row 10 Holding and transaction disclosures are not merged.
1 source row

Row 10 · Balance 12,825

Filing footnotes · ownership attribution and instrument terms

F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 05/29/2026.

F2: Ending balance includes 1 share acquired on August 17, 2026, through the Company's qualified ESPP program.

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 $1,320.64 to $1,325.61. 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 $1,325.65 to $1,330.62. 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 $1,330.65 to $1,335.51. 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 $1,335.68 to $1,340.66. 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 $1,340.69 to $1,345.65. 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 $1,345.66 to $1,350.47. 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 $1,350.84 to $1,355.11. 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 $1,356.78 to $1,357.00. 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 100 $729.86 $72,986.00
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 12

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 885,713

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 100 $728.85 $72,885.00
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 11

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 885,813

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 581 $725.59 $421,567.79
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 10

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 885,913

F7 · price: 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 $725.05 to $725.96. 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.

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 549 $723.48 $397,190.52
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 9

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 886,494

F6 · price: 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 $723.01 to $723.94. 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.

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 338 $722.43 $244,181.34
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 8

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 887,043

F5 · price: 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 $722.21 to $722.99. 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.

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 211 $721.60 $152,257.60
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 7

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 887,381

F4 · price: 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 $721.10 to $721.90. 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.

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 166 $720.15 $119,544.90
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 6

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 887,592

F3 · price: 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 $720.04 to $720.26. 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.

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 100 $719.04 $71,904.00
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 5

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 887,758

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 228 $717.36 $163,558.08
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 4

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 887,858

F2 · price: 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 $717.12 to $717.62. 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.

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 70 $716.84 $50,178.80
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 3

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 888,086

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 190 $715.50 $135,945.00
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 2

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 888,156

F1 · price: 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 $715.47 to $715.53. 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.

Read SEC document
June 03, 2024 Filed Jun 5, 2024 18:15 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 62 $714.56 $44,302.72
Disclosure

SEC source: 0001214659-24-010598 · marketforms-66171.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 888,346

Read SEC document
May 08, 2024 Filed May 9, 2024 16:49 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 2,824 $690.00 $1,948,560.00
Disclosure

SEC source: 0001214659-24-008658 · marketforms-65781.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 888,408

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plan.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 100 $670.09 $67,009.00
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 16

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 891,232

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 900 $668.34 $601,506.00
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 15

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 891,332

F13 · price: 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 $668.03 to $668.82. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 200 $667.41 $133,482.00
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 14

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 892,232

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 497 $666.54 $331,270.38
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 13

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 892,432

F12 · price: 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 $666.00 to $666.82. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 350 $665.69 $232,991.50
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 12

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 892,929

F11 · price: 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 $665.26 to $665.92. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 500 $664.70 $332,350.00
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 11

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 893,279

F10 · price: 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 $664.03 to $664.94. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 600 $663.27 $397,962.00
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 10

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 893,779

F9 · price: 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 $663.12 to $663.57. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 697 $662.34 $461,650.98
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 9

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 894,379

F8 · price: 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 $662.00 to $662.98. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 876 $661.49 $579,465.24
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 8

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 895,076

F7 · price: 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 $661.07 to $661.99. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 900 $660.45 $594,405.00
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 7

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 895,952

F6 · price: 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 $660.05 to $660.80. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 1,000 $659.49 $659,490.00
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 6

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 896,852

F5 · price: 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 $659.09 to $659.94. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 195 $658.90 $128,485.50
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 5

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 897,852

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 217 $655.08 $142,152.36
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 4

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 898,047

F4 · price: 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 $655.04 to $655.57. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 378 $654.23 $247,298.94
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 3

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 898,264

F3 · price: 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 $654.08 to $654.47. 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.

Read SEC document
May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 251 $653.46 $164,018.46
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 2

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 898,642

F2 · price: 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 $653.26 to $653.77. 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.

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May 01, 2024 Filed May 3, 2024 15:40 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 339 $652.81 $221,302.59
Disclosure

SEC source: 0001214659-24-008256 · marketforms-65657.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 898,893

F1 · price: 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 $652.69 to $652.94. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 350 $687.45 $240,607.50
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 15

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 899,232

F13 · shares: 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 $687.44 to $687.45. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 400 $686.77 $274,708.00
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 14

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 899,582

F12 · shares: 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 $686.40 to $686.89. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 400 $685.51 $274,204.00
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 13

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 899,982

F11 · shares: 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 $685.01 to $685.79. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 230 $684.61 $157,460.30
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 12

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 900,382

F10 · shares: 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 $684.60 to $684.67. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 425 $683.50 $290,487.50
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 11

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 900,612

F9 · shares: 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 $683.14 to $683.89. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 100 $682.04 $68,204.00
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 10

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 901,037

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 600 $679.24 $407,544.00
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 9

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 901,137

F8 · shares: 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 $679.10 to $679.91. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 904 $677.40 $612,369.60
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 8

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 901,737

F7 · shares: 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 $677.22 to $677.57. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 291 $676.42 $196,838.22
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 7

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 902,641

F6 · shares: 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 $676.07 to $676.63. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 680 $675.64 $459,435.20
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 6

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 902,932

F5 · shares: 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 $675.16 to $675.95. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 1,300 $674.57 $876,941.00
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 5

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 903,612

F4 · shares: 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 $674.15 to $674.94. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 1,114 $673.48 $750,256.72
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 4

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 904,912

F3 · shares: 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 $673.00 to $673.98. 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.

Read SEC document
April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 800 $672.45 $537,960.00
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 3

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 906,026

F2 · shares: 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 $672.25 to $672.74. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 206 $671.81 $138,392.86
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 2

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 906,826

F1 · shares: 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 $671.48 to $671.82. 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.

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April 01, 2024 Filed Apr 3, 2024 23:03 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 200 $670.56 $134,112.00
Disclosure

SEC source: 0001214659-24-006067 · marketforms-65428.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 907,032

Read SEC document
March 01, 2024 Filed Mar 4, 2024 16:09 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 200 $733.37 $146,674.00
Disclosure

SEC source: 0001214659-24-003951 · marketforms-65025.xml · nonDerivative · entry 15

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 907,232

F12 · balance_after: Ending balance includes 39 shares acquired on February 15, 2024 through the Company's qualified ESPP program.

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March 01, 2024 Filed Mar 4, 2024 16:09 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 100 $732.01 $73,201.00
Disclosure

SEC source: 0001214659-24-003951 · marketforms-65025.xml · nonDerivative · entry 14

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 907,393

Read SEC document
March 01, 2024 Filed Mar 4, 2024 16:09 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 120 $731.82 $87,818.40
Disclosure

SEC source: 0001214659-24-003951 · marketforms-65025.xml · nonDerivative · entry 13

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 907,493

F11 · price: 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 $731.08 to $731.97. 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.

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March 01, 2024 Filed Mar 4, 2024 16:09 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 972 $729.21 $708,792.12
Disclosure

SEC source: 0001214659-24-003951 · marketforms-65025.xml · nonDerivative · entry 12

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 907,613

F10 · price: 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 $729.04 to $729.94. 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.

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March 01, 2024 Filed Mar 4, 2024 16:09 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 2,064 $728.54 $1,503,706.56
Disclosure

SEC source: 0001214659-24-003951 · marketforms-65025.xml · nonDerivative · entry 11

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 908,585

F9 · price: 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 $728.00 to $728.93. 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.

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March 01, 2024 Filed Mar 4, 2024 16:09 UTC MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 SaleCommon Stock 1,275 $727.39 $927,422.25
Disclosure

SEC source: 0001214659-24-003951 · marketforms-65025.xml · nonDerivative · entry 10

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 910,649

F8 · price: 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 $727.07 to $727.97. 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.