Reported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| MONOLITHIC POWER SYSTEMS, INC.MPWR · Entity 877 | Director | May 26, 2026 | May 27, 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 May 26, 2026 · Filed May 27, 2026
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Common StockSEC Table I · non-derivative | Direct | 3,800 |
Reported balance
After 2026-05-26 transaction · row 1
1 source rowRow 1 · 2026-05-26 · Sale · Disposed 486 · Balance 3,800 |
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 |
|---|---|---|---|---|---|---|
| July 22, 2019 Filed Jul 24, 2019 20:58 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | SaleCommon Stock | 1,000 | $147.00 | $147,000.00 |
DisclosureSEC source: 0001280452-19-000099 · edgardoc.xml · nonDerivative · entry 1 Zhou Jeff · CIK 0001480772 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 20,491 F1 · kind: In accordance with the reporting person's 10b5-1 trading plan. Read SEC document |
| February 11, 2019 Filed Feb 12, 2019 23:06 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | GrantCommon Stock | 1,339 | $0.00 | $0.00 |
DisclosureSEC source: 0001280452-19-000020 · edgardoc.xml · nonDerivative · entry 1 Zhou Jeff · CIK 0001480772 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 21,491 F1 · shares: According to the Company's 2014 Equity Incentive Plan and the Board Compensation Schedule as adopted by the Board on February 11, 2019, each Outside Director will be automatically granted Restricted Stock Units as of such date, if he or she will have served on the Board for at least the preceding six (6) months, with such grant to be effective as of the date of the meeting of the Board or Compensation Committee, as applicable, subject to the Outside Director's continued service to the Board through such date. 100% of the restricted stock units shall vest on the first anniversary of the Vesting Commencement Date. Read SEC document |
| February 07, 2018 Filed Feb 10, 2018 00:09 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | GrantCommon Stock | 1,590 | $0.00 | $0.00 |
DisclosureSEC source: 0001280452-18-000033 · edgardoc.xml · nonDerivative · entry 1 Zhou Jeff · CIK 0001480772 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 20,152 F1 · shares: According to the Company's 2014 Equity Incentive Plan and the Board Compensation Schedule as adopted by the Board on February 7, 2018, each Outside Director will be automatically granted Restricted Stock Units as of such date, if he or she will have served on the Board for at least the preceding six (6) months, with such grant to be effective as of the date of the meeting of the Board or Compensation Committee, as applicable, subject to the Outside Director's continued service to the Board through such date. 100% of the restricted stock units shall vest on the first anniversary of the Vesting Commencement Date. Read SEC document |
| February 07, 2017 Filed Feb 9, 2017 00:59 UTC | MONOLITHIC POWER SYSTEMS, INC. MPWR · Entity 877 | GrantCommon Stock | 1,566 | $0.00 | $0.00 |
DisclosureSEC source: 0001280452-17-000027 · edgardoc.xml · nonDerivative · entry 1 Zhou Jeff · CIK 0001480772 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 18,562 F1 · shares: According to the Company's 2014 Equity Incentive Plan and the Board Compensation Schedule as adopted by the Board on February 7, 2017, each Outside Director will be automatically granted Restricted Stock Units as of such date, if he or she will have served on the Board for at least the preceding six (6) months, with such grant to be effective as of the date of the meeting of the Board or Compensation Committee, as applicable, subject to the Outside Director's continued service to the Board through such date. 100% of the restricted stock units shall vest on the first anniversary of the Vesting Commencement Date. 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.