Zhou Jeff — SEC Form 4 filings
SEC reporting owner CIK 1480772. 10 Form 4 filings on record with FilingPulse; latest filed 2026-05-27.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-02-08 to 2026-05-27. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 9 legs across 7 filings — 3,193 shares, $4,224,787 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 3.
- Largest priced transaction: sale of 500 shares @ $1,650.00 ($825,000) in MONOLITHIC POWER SYSTEMS INC, filed 2026-05-06.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| MONOLITHIC POWER SYSTEMS INC (MPWR) | Director | 10 | — | 9 legs · 3,193 sh · $4,224,787 | 3 |
Form 4 filings — Zhou Jeff
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-27 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Sale (S): 486 @ $1,680 | EDGAR |
| 2026-05-06 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Sale (S): 514 @ $1,574.48 · Sale (S): 500 @ $1,600 · Sale (S): 500 @ $1,650 | EDGAR |
| 2026-02-05 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Grant/award (A): 189 @ $0 | EDGAR |
| 2025-08-28 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Sale (S): 193 @ $870 | EDGAR |
| 2025-08-15 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Sale (S): 400 @ $850 | EDGAR |
| 2025-08-13 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Sale (S): 200 @ $830 | EDGAR |
| 2025-02-06 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Grant/award (A): 335 @ $0 | EDGAR |
| 2024-05-22 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Sale (S): 200 @ $750 | EDGAR |
| 2024-02-13 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Sale (S): 200 @ $750.57 | EDGAR |
| 2024-02-08 | 4 | MONOLITHIC POWER SYSTEMS INC (MPWR) | Grant/award (A): 348 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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