Form 4 · Filed May 21, 2026, 12:10 AM UTC
MPWR/MONOLITHIC POWER SYSTEMS INC
Hsing Michael — CEO
AI Thesis
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Research signal, not investment advice. Form 4 AI surfaces SEC filings and applies an analytical layer — it does not predict prices or recommend trades. Past performance does not guarantee future results. See methodology and public track record for how scores are computed.
Transactions
13 rows| Date | Code | Direction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| May 18, 2026 | S | sell | 3,424 | $1,463 | $5,007,977 | 884,839 |
| May 18, 2026 | S | sell | 5,819 | $1,468 | $8,540,081 | 879,020 |
| May 18, 2026 | S | sell | 5,049 | $1,473 | $7,436,369 | 873,971 |
| May 18, 2026 | S | sell | 4,082 | $1,477 | $6,028,951 | 869,889 |
| May 18, 2026 | S | sell | 5,737 | $1,483 | $8,505,160 | 864,152 |
| May 18, 2026 | S | sell | 6,688 | $1,487 | $9,943,451 | 857,464 |
| May 18, 2026 | S | sell | 862 | $1,491 | $1,285,656 | 856,602 |
| May 18, 2026 | S | sell | 608 | $1,499 | $911,672 | 855,994 |
| May 18, 2026 | S | sell | 2,929 | $1,503 | $4,402,433 | 853,065 |
| May 18, 2026 | S | sell | 3,769 | $1,508 | $5,682,521 | 849,296 |
| May 18, 2026 | S | sell | 551 | $1,513 | $833,724 | 848,745 |
| May 18, 2026 | S | sell | 352 | $1,518 | $534,389 | 848,393 |
| May 18, 2026 | S | sell | 130 | $1,521 | $197,786 | 848,263 |
Source: SEC EDGAR raw filing ↗ · Accession 0001214659-26-006625