Maurice Sciammas
Maurice Sciammas: EVP, WW Sales & Marketing at Monolithic Power. What Maurice Sciammas 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)
Maurice Sciammas holds 234,442 Monolithic Power shares (0.48% of the company), worth about $341.8M at the last price, according to the Form 4 of Aug 4, 2026.
- Shares held: 126,644 (0.26%), $184.7M — Held in their own name.
- Shares held: 70,817 (0.14%), $103.3M — Held through trusts (The Joseph Roger Sciammas 2020 Irrevocable Trust, Rosalind Sciammas Family 2021 Trust, Sciammas Family Trust, The Patrick Francis Sciammas 2020 Irrevocable Trust).
- Shares held: 36,981 (0.08%), $53.9M — Held through companies or funds (Various Sciammas GRATs, Rosalind Sciammas Brokerage Account).
Declarations
- Monolithic Power (MPWR) — Form 4 of Aug 4, 2026 (EVP, WW Sales & Marketing): gift of 25,000; gift of 25,000; 234,442 shares after 0001214659-26-009744
- Monolithic Power (MPWR) — Form 4 of Aug 3, 2026 (EVP, WW Sales & Marketing): open-market sale of 30 at $1,343.94; 234,442 shares after 0001214659-26-009676
- Monolithic Power (MPWR) — Form 4 of Jul 15, 2026 (EVP, WW Sales & Marketing): open-market sale of 527 at $1,314.03; open-market sale of 274 at $1,318.42; 234,472 shares after 0001214659-26-008703
- Monolithic Power (MPWR) — Form 4 of Jul 1, 2026 (EVP, WW Sales & Marketing): open-market sale of 30 at $1,351.61; 249,472 shares after 0001214659-26-008236
- Monolithic Power (MPWR) — Form 4 of Jun 1, 2026 (EVP, WW Sales & Marketing): open-market sale of 30 at $1,533.95; 249,502 shares after 0001214659-26-007138
- Monolithic Power (MPWR) — Form 4 of May 29, 2026 (EVP, WW Sales & Marketing): gift of 12,472; 249,532 shares after 0001214659-26-007088
- Monolithic Power (MPWR) — Form 4 of May 15, 2026 (EVP, WW Sales & Marketing): open-market sale of 3,741 at $1,550.36; open-market sale of 1,717 at $1,557.48; 262,004 shares after 0001214659-26-006583
- Monolithic Power (MPWR) — Form 4 of May 13, 2026 (EVP, WW Sales & Marketing): gift of 1,563; gift of 1,563; 274,004 shares after 0001214659-26-006521
- Monolithic Power (MPWR) — Form 4 of May 5, 2026 (EVP, WW Sales & Marketing): open-market sale of 380 at $1,583.81; 274,004 shares after 0001214659-26-005668
- Monolithic Power (MPWR) — Form 4 of May 4, 2026 (EVP, WW Sales & Marketing): open-market sale of 30 at $1,588.73; 274,384 shares after 0001214659-26-005640
- Monolithic Power (MPWR) — Form 4 of Apr 1, 2026 (EVP, WW Sales & Marketing): open-market sale of 30 at $1,116.44; 274,414 shares after 0001214659-26-004332
- Monolithic Power (MPWR) — Form 4 of Mar 20, 2026 (EVP, WW Sales & Marketing): open-market sale of 30 at $1,095.07; 274,444 shares after 0001214659-26-003765
- Monolithic Power (MPWR) — Form 4 of Feb 11, 2026 (EVP, WW Sales & Marketing): open-market sale of 200 at $1,179.98; 274,455 shares after 0001214659-26-001626
- Monolithic Power (MPWR) — Form 4 of Feb 6, 2026 (EVP, WW Sales & Marketing): open-market sale of 22,875 at $1,171.16; 274,655 shares after 0001214659-26-001449
- Monolithic Power (MPWR) — Form 4 of Feb 3, 2026 (EVP, WW Sales & Marketing): grant or award of 57,170; 297,530 shares after 0001214659-26-001252
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.