XNAS · SEMICONDUCTORS & RELATED DEVICES · SEMICONDUCTORS & RELATED DEVICES
Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.
TL;DR: Monolithic Power Systems delivered record quarterly revenue of $804.2 million in Q1 2026, up 26.1% from $637.6 million in the year-ago quarter.
Monolithic Power Systems (MPWR) had 4 Form 144 pre-sale notices filed on 2026-05-06. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a completed transaction.
Monolithic Power Systems (MPWR) had 3 Form 144 pre-sale notices filed between 2026-04-06 and 2026-05-01. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a completed…
Monolithic Power Systems, Inc. (MPWR) had 3 Form 144 pre-sale notices filed between 2026-04-06 and 2026-05-01. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a com…
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 5/6/2026 | Wynne Eileen | — | SELL | -335 | $1,583 | $530,198 |
| 5/6/2026 | Xiao Deming | EVP, Global Operations | SELL | -907 | $1,661 | $1,506,872 |
| 5/6/2026 | Xiao Deming | EVP, Global Operations | SELL | -11,597 | $1,658 | $19,227,014 |
| 5/6/2026 | Xiao Deming | EVP, Global Operations | SELL | -14,167 | $1,653 | $23,415,218 |
| 5/6/2026 | Xiao Deming | EVP, Global Operations | SELL | -3,329 | $1,648 | $5,487,457 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -514 | $1,600 | $822,472 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -2,619 | $1,596 | $4,181,024 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -1,355 | $1,591 | $2,156,320 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -2,587 | $1,587 | $4,105,077 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -1,879 | $1,582 | $2,972,221 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -834 | $1,576 | $1,314,025 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -1,078 | $1,572 | $1,694,163 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -814 | $1,566 | $1,275,017 |
| 5/6/2026 | Elmiger Eugen J | — | SELL | -320 | $1,560 | $499,162 |
| 5/6/2026 | Zhou Jeff | — | SELL | -500 | $1,650 | $825,000 |
| 5/5/2026 | Sciammas Maurice | EVP, WW Sales & Marketing | SELL | -380 | $1,584 | $601,848 |
| 5/5/2026 | Zhou Jeff | — | SELL | -500 | $1,600 | $800,000 |
| 5/5/2026 | Zhou Jeff | — | SELL | -514 | $1,574 | $809,283 |
| 5/4/2026 | Sciammas Maurice | EVP, WW Sales & Marketing | SELL | -30 | $1,589 | $47,662 |
| 4/8/2026 | Tseng Saria | EVP & General Counsel | SELL | -560 | $1,266 | $709,229 |
| Date | Filer | Relationship | Est. shares | Filing |
|---|---|---|---|---|
| 5/6/2026 | EILEEN WYNNE | — | 335 | SEC |
| 5/6/2026 | Elmiger Eugen J | — | 12,000 | SEC |
| 5/6/2026 | DEMING XIAO | — | 30,000 | SEC |
| 5/6/2026 | JEFF ZHOU | — | 500 | SEC |
| 5/5/2026 | Rosalind Sciammas | — | 400 | SEC |
| 5/5/2026 | JEFF ZHOU | — | 1,014 | SEC |
| 5/1/2026 | THEODORE BERNHARD BLEGEN | — | 3,000 | SEC |
| 4/8/2026 | SARIA TSENG | — | — | SEC |
| 4/6/2026 | SARIA TSENG | — | — | SEC |