Reported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| MONOLITHIC POWER SYSTEMS, INC.MPWR · Entity 877 | Director · CEO | September 28, 2026 | September 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 / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Common StockSEC Table I · non-derivative | Direct | 847,668 |
Reported balance
After 2026-09-28 transaction · row 1
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 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-derivative | Direct | 845,547 |
Reported balance
After 2026-09-28 transaction · row 2
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 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-derivative | Direct | 844,436 |
Reported balance
After 2026-09-28 transaction · row 3
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 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-derivative | Direct | 841,487 |
Reported balance
After 2026-09-28 transaction · row 4
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 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-derivative | Direct | 835,704 |
Reported balance
After 2026-09-28 transaction · row 5
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 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-derivative | Direct | 829,361 |
Reported balance
After 2026-09-28 transaction · row 6
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 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-derivative | Direct | 818,394 |
Reported balance
After 2026-09-28 transaction · row 7
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 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-derivative | Direct | 818,264 |
Reported balance
After 2026-09-28 transaction · row 8
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 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-derivative | Indirectby M Hsing 04 Trust | 133,040 |
Reported balance
Holding disclosure · report date 2026-09-28 · row 9
Holding and transaction disclosures are not merged.
1 source rowRow 9 · Balance 133,040 |
| Common StockSEC Table I · non-derivative | IndirectZH Family 2020 Trust | 12,825 |
Reported balance
Holding disclosure · report date 2026-09-28 · row 10
Holding and transaction disclosures are not merged.
1 source rowRow 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
JSON APIPurchases/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 date | Company | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| February 08, 2023 Filed Feb 10, 2023 21:13 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 22,483 | $462.41 | $10,396,364.03 |
DisclosureSEC source: 0001214659-23-001956 · marketforms-59435.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,067,449 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 |
| February 07, 2023 Filed Feb 8, 2023 23:54 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | GrantCommon Stock | 112,839 | $0.00 | $0.00 |
DisclosureSEC source: 0001214659-23-001830 · marketforms-59342.xml · nonDerivative · entry 2 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,089,932 F2 · shares: On February 2, 2021, the reporting person was granted a target of 37,613 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 7, 2023, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 75,226 additional shares being earned by the reporting person. Of the 112,839 restricted stock units that were awarded, 56,420 will vest immediately and 56,419 will vest quarterly in the next two years. Read SEC document |
| February 06, 2023 Filed Feb 8, 2023 23:54 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 3,691 | $446.88 | $1,649,434.08 |
DisclosureSEC source: 0001214659-23-001830 · marketforms-59342.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 977,093 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 |
| January 03, 2023 Filed Jan 5, 2023 21:53 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 14,888 | $344.96 | $5,135,764.48 |
DisclosureSEC source: 0001214659-23-000284 · marketforms-58064.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 980,784 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 |
| November 15, 2022 Filed Nov 16, 2022 23:59 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 1,074 | $405.51 | $435,517.74 |
DisclosureSEC source: 0001214659-22-013913 · marketforms-57553.xml · nonDerivative · entry 2 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 995,672 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 |
| November 14, 2022 Filed Nov 16, 2022 23:59 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | Salecommon stock | 5,347 | $390.33 | $2,087,094.51 |
DisclosureSEC source: 0001214659-22-013913 · marketforms-57553.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 996,746 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 |
| November 04, 2022 Filed Nov 7, 2022 21:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 3,790 | $343.98 | $1,303,684.20 |
DisclosureSEC source: 0001214659-22-013247 · marketforms-57489.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,002,093 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 |
| October 03, 2022 Filed Oct 4, 2022 20:26 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 10,960 | $372.60 | $4,083,696.00 |
DisclosureSEC source: 0001214659-22-011976 · marketforms-57219.xml · nonDerivative · entry 2 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,005,883 F2 · 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 |
| August 15, 2022 Filed Oct 4, 2022 20:26 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | OtherCommon Stock | 19 | $414.43 | $7,874.17 |
DisclosureSEC source: 0001214659-22-011976 · marketforms-57219.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,016,843 F1 · shares: 19 shares acquired through the Company's qualified ESPP program. Read SEC document |
| August 12, 2022 Filed Aug 12, 2022 22:59 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 6,306 | $525.95 | $3,316,640.70 |
DisclosureSEC source: 0001214659-22-010038 · marketforms-56885.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,016,824 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 |
| August 04, 2022 Filed Aug 8, 2022 21:39 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 3,798 | $522.39 | $1,984,037.22 |
DisclosureSEC source: 0001214659-22-009747 · marketforms-56817.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,023,130 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 |
| July 01, 2022 Filed Jul 6, 2022 21:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 11,495 | $361.57 | $4,156,247.15 |
DisclosureSEC source: 0001214659-22-008667 · marketforms-56608.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,026,928 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. 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 $361.57 to $361.58. 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 12, 2022 Filed May 16, 2022 20:32 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 6,481 | $388.10 | $2,515,276.10 |
DisclosureSEC source: 0001214659-22-007050 · marketforms-56156.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,038,423 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 04, 2022 Filed May 5, 2022 20:57 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 3,807 | $453.15 | $1,725,154.99 |
DisclosureSEC source: 0001214659-22-006359 · marketforms-56061.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,044,904 F1 · kind: 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 |
| April 01, 2022 Filed Apr 5, 2022 20:27 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | Salecommon stock | 11,250 | $467.23 | $5,256,337.50 |
DisclosureSEC source: 0001214659-22-004859 · marketforms-55929.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,048,711 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. F2 · balance_after: Ending balance includes 34 shares acquired on February 15, 2022 through the Company's qualified ESPP program. Read SEC document |
| February 14, 2022 Filed Feb 16, 2022 23:45 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 6,421 | $429.60 | $2,758,461.60 |
DisclosureSEC source: 0001214659-22-002839 · marketforms-55164.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,059,927 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 |
| February 08, 2022 Filed Feb 9, 2022 23:22 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 7,663 | $401.12 | $3,073,782.56 |
DisclosureSEC source: 0001214659-22-002126 · marketforms-55162.xml · nonDerivative · entry 2 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,066,348 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 |
| February 07, 2022 Filed Feb 9, 2022 23:22 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 29,638 | $399.28 | $11,833,860.64 |
DisclosureSEC source: 0001214659-22-002126 · marketforms-55162.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,074,011 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 |
| February 03, 2022 Filed Feb 4, 2022 22:05 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | GrantCommon Stock | 153,324 | $0.00 | $0.00 |
DisclosureSEC source: 0001214659-22-001921 · marketforms-55260.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,103,649 F1 · shares: On February 4, 2020, the reporting person was granted a target of 51,108 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 3, 2022, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 102,216 additional shares being earned by the reporting person. Of the restricted stock units that were awarded, 76,662 will vest immediately and 76,662 will vest quarterly in the next two years. Read SEC document |
| January 03, 2022 Filed Jan 5, 2022 21:11 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 10,960 | $490.87 | $5,379,935.20 |
DisclosureSEC source: 0001214659-22-000325 · marketforms-54755.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 950,325 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 |
| November 12, 2021 Filed Nov 17, 2021 00:33 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 6,273 | $553.42 | $3,471,591.11 |
DisclosureSEC source: 0001214659-21-011920 · marketforms-54051.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 961,285 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. F2 · balance_after: The amount of securities beneficially owned has been updated to reflect the correct amount of shares and corrects an inadvertent error on the Form 4 filed by the reporting person on November 10, 2021. Read SEC document |
| November 08, 2021 Filed Nov 10, 2021 23:01 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 7,813 | $548.27 | $4,283,633.51 |
DisclosureSEC source: 0001214659-21-011423 · marketforms-54050.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 987,155 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 |
| October 01, 2021 Filed Oct 5, 2021 21:02 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 11,020 | $476.16 | $5,247,283.20 |
DisclosureSEC source: 0001214659-21-010250 · marketforms-53929.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 975,371 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. 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 $476.15 to $476.16. 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 |
| August 12, 2021 Filed Aug 16, 2021 20:44 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 6,373 | $457.10 | $2,913,098.30 |
DisclosureSEC source: 0001214659-21-008699 · marketforms-53585.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 986,391 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 |
| August 09, 2021 Filed Aug 11, 2021 21:09 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 7,926 | $459.12 | $3,638,985.12 |
DisclosureSEC source: 0001214659-21-008386 · marketforms-53535.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 992,764 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 |
| July 01, 2021 Filed Jul 6, 2021 20:45 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 10,960 | $370.45 | $4,060,132.00 |
DisclosureSEC source: 0001214659-21-007294 · marketforms-53264.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,000,690 F1 · kind: 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 12, 2021 Filed May 14, 2021 20:53 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 6,723 | $311.82 | $2,096,363.17 |
DisclosureSEC source: 0001214659-21-005450 · marketforms-52751.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,011,650 F1 · kind: 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 10, 2021 Filed May 12, 2021 20:15 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 8,479 | $326.40 | $2,767,555.77 |
DisclosureSEC source: 0001214659-21-005237 · marketforms-52700.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,018,373 F1 · kind: 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 |
| April 22, 2021 Filed Apr 26, 2021 21:16 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | GrantCommon Stock | 9,403 | $30.00 | $282,090.00 |
DisclosureSEC source: 0001280452-21-000057 · edgardoc.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,026,852 F1 · shares: On February 2, 2021, the reporting person was granted a target number of 9,403 performance units that can be earned subject to the achievement of a performance goal related to certain environmental objectives, with a performance period through December 31, 2023. The performance units vest upon achievement of the goal, but no earlier than December 31, 2022. Once vested, the performance units have a post-vesting sales restriction period of one year. On April 22, 2021, the Compensation Committee of the Board of Directors determined that the environmental goal had been satisfied, which resulted in 9,403 units being credited with the vesting terms described above. Read SEC document |
| April 01, 2021 Filed Apr 2, 2021 19:06 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 10,960 | $364.78 | $3,997,951.54 |
DisclosureSEC source: 0001280452-21-000044 · edgardoc.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,017,449 F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans. Read SEC document |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 200 | $344.74 | $68,947.00 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 12 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,028,409 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. Read SEC document |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 2,692 | $344.14 | $926,413.84 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 11 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,028,609 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $343.59 to $344.56. 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. Read SEC document |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 3,039 | $343.22 | $1,043,042.84 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 10 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,031,301 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $342.58 to $343.57. 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 |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 3,310 | $342.11 | $1,132,381.12 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 9 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,034,340 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $341.54 to $342.54. 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 |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 1,200 | $340.89 | $409,069.92 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 8 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,037,650 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $340.53 to $341.42. 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 |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 6,208 | $339.83 | $2,109,659.67 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 7 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,038,850 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $339.50 to $340.50. 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 |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 17,593 | $338.92 | $5,962,549.19 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 6 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,045,058 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $338.49 to $339.48. 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 |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 19,713 | $338.11 | $6,665,205.80 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 5 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,062,651 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $337.48 to $338.48. 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 |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 5,828 | $337.12 | $1,964,736.53 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 4 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,082,364 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $336.47 to $337.46. 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 |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 3,200 | $336.03 | $1,075,290.24 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 3 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,088,192 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $335.45 to $336.43. 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 |
| March 30, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 600 | $334.96 | $200,977.50 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 2 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,091,392 F2 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $334.38 to $335.38. 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 |
| February 16, 2021 Filed Mar 31, 2021 21:07 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | OtherCommon Stock | 89 | $239.17 | $21,286.40 |
DisclosureSEC source: 0001280452-21-000042 · edgardoc.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,091,992 F1 · kind: Acquired through the Company's qualified ESPP program. Read SEC document |
| February 10, 2021 Filed Feb 12, 2021 23:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 100 | $381.68 | $38,167.50 |
DisclosureSEC source: 0001280452-21-000030 · edgardoc.xml · nonDerivative · entry 8 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,091,903 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. Read SEC document |
| February 10, 2021 Filed Feb 12, 2021 23:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 1,000 | $377.92 | $377,918.00 |
DisclosureSEC source: 0001280452-21-000030 · edgardoc.xml · nonDerivative · entry 7 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,092,003 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $377.60 to $378.53. 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 |
| February 10, 2021 Filed Feb 12, 2021 23:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 4,809 | $376.90 | $1,812,521.72 |
DisclosureSEC source: 0001280452-21-000030 · edgardoc.xml · nonDerivative · entry 6 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,093,003 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $376.57 to $377.48. 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 |
| February 10, 2021 Filed Feb 12, 2021 23:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 4,451 | $375.91 | $1,673,159.39 |
DisclosureSEC source: 0001280452-21-000030 · edgardoc.xml · nonDerivative · entry 5 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,097,812 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $375.48 to $376.46. 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 |
| February 10, 2021 Filed Feb 12, 2021 23:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 3,654 | $375.04 | $1,370,391.04 |
DisclosureSEC source: 0001280452-21-000030 · edgardoc.xml · nonDerivative · entry 4 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,102,263 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $374.45 to $375.43. 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 |
| February 10, 2021 Filed Feb 12, 2021 23:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 1,553 | $373.92 | $580,692.48 |
DisclosureSEC source: 0001280452-21-000030 · edgardoc.xml · nonDerivative · entry 3 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,105,917 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $373.40 to $374.29. 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 |
| February 10, 2021 Filed Feb 12, 2021 23:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 2,300 | $372.74 | $857,311.66 |
DisclosureSEC source: 0001280452-21-000030 · edgardoc.xml · nonDerivative · entry 2 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,107,470 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $372.37 to $373.37. 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 |
| February 10, 2021 Filed Feb 12, 2021 23:10 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 1,200 | $371.92 | $446,304.00 |
DisclosureSEC source: 0001280452-21-000030 · edgardoc.xml · nonDerivative · entry 1 Hsing Michael · CIK 0001308676 · Director · CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,109,770 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. 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 $371.36 to $372.34. 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 |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.