Deming Xiao
Deming Xiao: EVP, Global Operations at Monolithic Power. What Deming Xiao holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Monolithic Power (MPWR)
Deming Xiao holds 230,750 Monolithic Power shares (0.47% of the company), worth about $336.5M at the last price, according to the Form 4 of May 6, 2026.
- Shares held: 205,959 (0.42%), $300.3M — Held in their own name.
- Shares held: 20,455 (0.04%), $29.8M — Held by a spouse or a family member (by Spouse).
- Shares held: 4,336 (0.01%), $6.3M — Held through trusts (Christopher Chao Xiao Trust).
Declarations
- Monolithic Power (MPWR) — Form 4 of May 6, 2026 (EVP, Global Operations): open-market sale of 3,329 at $1,648.38; open-market sale of 14,167 at $1,652.80; 230,750 shares after 0001214659-26-005858
- Monolithic Power (MPWR) — Form 4 of Feb 6, 2026 (EVP, Global Operations): open-market sale of 22,875 at $1,171.16; 260,723 shares after 0001214659-26-001451
- Monolithic Power (MPWR) — Form 4 of Feb 3, 2026 (EVP, Global Operations): grant or award of 57,170; 283,598 shares after 0001214659-26-001256
- Monolithic Power (MPWR) — Form 4 of Oct 30, 2025 (EVP, Global Operations): shares withheld for tax of 54,543 at $1,096.63; 226,428 shares after 0001214659-25-015706
- Monolithic Power (MPWR) — Form 4 of Oct 25, 2025 (EVP, Global Operations): grant or award of 135,520; 280,971 shares after 0001214659-25-015475
- Monolithic Power (MPWR) — Form 4 of Aug 11, 2025 (EVP, Global Operations): gift of 945; gift of 945; 145,451 shares after 0001214659-25-011873
- Monolithic Power (MPWR) — Form 4 of Aug 1, 2025 (EVP, Global Operations): open-market sale of 39,999 at $780.00; 145,451 shares after 0001214659-25-011471
- Monolithic Power (MPWR) — Form 4 of Feb 10, 2025 (EVP, Global Operations): open-market sale of 662 at $717.10; 185,423 shares after 0001214659-25-002484
- Monolithic Power (MPWR) — Form 4 of Nov 8, 2024 (EVP, Global Operations): open-market sale of 866 at $765.14; 186,085 shares after 0001214659-24-018890
- Monolithic Power (MPWR) — Form 4 of Aug 27, 2024 (EVP, Global Operations): open-market sale of 9,259 at $950.00; 186,951 shares after 0001214659-24-015601
- Monolithic Power (MPWR) — Form 4 of Aug 22, 2024 (EVP, Global Operations): gift of 8,968; gift of 8,968; 235,924 shares after 0001214659-24-015184
- Monolithic Power (MPWR) — Form 4 of Aug 19, 2024 (EVP, Global Operations): gift of 30,291; gift of 30,291; 206,210 shares after 0001214659-24-015122
- Monolithic Power (MPWR) — Form 4 of Aug 8, 2024 (EVP, Global Operations): open-market sale of 859 at $778.39; 206,200 shares after 0001214659-24-014224
- Monolithic Power (MPWR) — Form 4 of Jul 22, 2024 (EVP, Global Operations): open-market sale of 3,205 at $831.58; 207,059 shares after 0001214659-24-012924
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.