Follow the people · Insider
Maurice Sciammas
Maurice Sciammas files insider transactions with the SEC as an evp, ww sales & marketing of Monolithic Power Systems (MPWR). We hold 11 disclosed purchases and sales filed since 4 May 2006, 3 of them in the last 90 days.
- Files forMPWR
- Disclosed buys and sells11 in all, 3 in the last 90 days
- Last disclosure6 August 2026
Positions held
1 post we hold — a term names its own dates; a run of filings only says when they filed- Filed 4 May 2006 — 4 August 2026EVP, WW Sales & Marketing · Monolithic Power Systems (MPWR)950 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- gave away 25,000 shares of Monolithic Power SystemsSEC Form 46 August 2026Common Stock · traded 4 August 2026 · filed 6 August 2026
- gave away 25,000 shares of Monolithic Power SystemsSEC Form 46 August 2026Common Stock · traded 4 August 2026 · filed 6 August 2026
- ▼ sold on the open market 30 shares of Monolithic Power SystemsSEC Form 45 August 2026Common Stock · traded 3 August 2026 · filed 5 August 2026
- ▼ sold on the open market 527 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 50 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 240 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 472 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 418 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 410 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 50 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 213 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 117 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 110 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 274 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 409 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 464 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 776 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 1,460 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 1,864 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 1,506 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 5,640 shares of Monolithic Power SystemsSEC Form 417 July 2026Common Stock · traded 15 July 2026 · filed 17 July 2026
- ▼ sold on the open market 30 shares of Monolithic Power SystemsSEC Form 46 July 2026Common Stock · traded 1 July 2026 · filed 6 July 2026
- ▼ sold on the open market 30 shares of Monolithic Power SystemsSEC Form 43 June 2026Common Stock · traded 1 June 2026 · filed 3 June 2026
- gave away 12,472 shares of Monolithic Power SystemsSEC Form 42 June 2026Common Stock · traded 29 May 2026 · filed 2 June 2026
- ▼ sold on the open market 3,741 shares of Monolithic Power SystemsSEC Form 419 May 2026Common Stock · traded 15 May 2026 · filed 19 May 2026
- ▼ sold on the open market 1,717 shares of Monolithic Power SystemsSEC Form 419 May 2026Common Stock · traded 15 May 2026 · filed 19 May 2026
- ▼ sold on the open market 2,010 shares of Monolithic Power SystemsSEC Form 419 May 2026Common Stock · traded 15 May 2026 · filed 19 May 2026
- ▼ sold on the open market 2,020 shares of Monolithic Power SystemsSEC Form 419 May 2026Common Stock · traded 15 May 2026 · filed 19 May 2026
- ▼ sold on the open market 1,312 shares of Monolithic Power SystemsSEC Form 419 May 2026Common Stock · traded 15 May 2026 · filed 19 May 2026
- ▼ sold on the open market 703 shares of Monolithic Power SystemsSEC Form 419 May 2026Common Stock · traded 15 May 2026 · filed 19 May 2026
- ▼ sold on the open market 447 shares of Monolithic Power SystemsSEC Form 419 May 2026Common Stock · traded 15 May 2026 · filed 19 May 2026
- ▼ sold on the open market 50 shares of Monolithic Power SystemsSEC Form 419 May 2026Common Stock · traded 15 May 2026 · filed 19 May 2026
- gave away 1,563 shares of Monolithic Power SystemsSEC Form 415 May 2026Common Stock · traded 13 May 2026 · filed 15 May 2026
- gave away 1,563 shares of Monolithic Power SystemsSEC Form 415 May 2026Common Stock · traded 13 May 2026 · filed 15 May 2026
- ▼ sold on the open market 30 shares of Monolithic Power SystemsSEC Form 46 May 2026Common Stock · traded 4 May 2026 · filed 6 May 2026
- ▼ sold on the open market 380 shares of Monolithic Power SystemsSEC Form 46 May 2026Common Stock · traded 5 May 2026 · filed 6 May 2026
- ▼ sold on the open market 30 shares of Monolithic Power SystemsSEC Form 43 April 2026Common Stock · traded 1 April 2026 · filed 3 April 2026
- ▼ sold on the open market 30 shares of Monolithic Power SystemsSEC Form 424 March 2026Common Stock · traded 20 March 2026 · filed 24 March 2026
- ▼ sold on the open market 30 shares of Monolithic Power SystemsSEC Form 424 March 2026Common Stock · traded 20 March 2026 · filed 24 March 2026
- ▼ sold on the open market 200 shares of Monolithic Power SystemsSEC Form 412 February 2026Common Stock · traded 11 February 2026 · filed 12 February 2026
- ▼ sold on the open market 200 shares of Monolithic Power SystemsSEC Form 412 February 2026Common Stock · traded 11 February 2026 · filed 12 February 2026
- ▼ sold on the open market 22,875 shares of Monolithic Power SystemsSEC Form 410 February 2026Common Stock · traded 6 February 2026 · filed 10 February 2026
- ▼ sold on the open market 22,875 shares of Monolithic Power SystemsSEC Form 410 February 2026Common Stock · traded 6 February 2026 · filed 10 February 2026
- was granted 57,170 shares of Monolithic Power SystemsSEC Form 45 February 2026Common Stock · traded 3 February 2026 · filed 5 February 2026
- was granted 57,170 shares of Monolithic Power SystemsSEC Form 45 February 2026Common Stock · traded 3 February 2026 · filed 5 February 2026
- ▼ sold on the open market 3,976 shares of Monolithic Power SystemsSEC Form 425 November 2025Common Stock · traded 24 November 2025 · filed 25 November 2025
- ▼ sold on the open market 240 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 160 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 40 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 339 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 699 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 723 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 1,842 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 320 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 220 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 574 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 1,146 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 731 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 431 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 940 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 1,976 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 1,854 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 1,966 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 3,776 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 2,469 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 3,344 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 6,513 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 2,149 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 1,738 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- ▼ sold on the open market 810 shares of Monolithic Power SystemsSEC Form 420 November 2025Common Stock · traded 19 November 2025 · filed 20 November 2025
- gave away 4,530 shares of Monolithic Power SystemsSEC Form 414 November 2025Common Stock · traded 13 November 2025 · filed 14 November 2025
- gave away 4,530 shares of Monolithic Power SystemsSEC Form 414 November 2025Common Stock · traded 13 November 2025 · filed 14 November 2025
- ▼ sold on the open market 200 shares of Monolithic Power SystemsSEC Form 46 November 2025Common Stock · traded 5 November 2025 · filed 6 November 2025
- had shares withheld for tax on 54,543 shares of Monolithic Power SystemsSEC Form 431 October 2025Common Stock · traded 30 October 2025 · filed 31 October 2025
- was granted 135,520 shares of Monolithic Power SystemsSEC Form 428 October 2025Common Stock · traded 25 October 2025 · filed 28 October 2025
- gave away 1,000 shares of Monolithic Power SystemsSEC Form 421 August 2025Common Stock · traded 19 August 2025 · filed 21 August 2025
- gave away 1,499 shares of Monolithic Power SystemsSEC Form 421 August 2025Common Stock · traded 19 August 2025 · filed 21 August 2025
- gave away 1,499 shares of Monolithic Power SystemsSEC Form 421 August 2025Common Stock · traded 19 August 2025 · filed 21 August 2025
- gave away 4,836 shares of Monolithic Power SystemsSEC Form 48 August 2025Common Stock · traded 6 August 2025 · filed 8 August 2025
- gave away 2,000 shares of Monolithic Power SystemsSEC Form 48 August 2025Common Stock · traded 6 August 2025 · filed 8 August 2025
- gave away 1,418 shares of Monolithic Power SystemsSEC Form 48 August 2025Common Stock · traded 6 August 2025 · filed 8 August 2025
- gave away 1,418 shares of Monolithic Power SystemsSEC Form 48 August 2025Common Stock · traded 6 August 2025 · filed 8 August 2025
- gave away 1,499 shares of Monolithic Power SystemsSEC Form 430 May 2025Common Stock · traded 28 May 2025 · filed 30 May 2025
- gave away 1,499 shares of Monolithic Power SystemsSEC Form 430 May 2025Common Stock · traded 28 May 2025 · filed 30 May 2025
- ▼ sold on the open market 12,000 shares of Monolithic Power SystemsSEC Form 412 May 2025Common Stock · traded 12 May 2025 · filed 12 May 2025
- gave away 1,878 shares of Monolithic Power SystemsSEC Form 49 May 2025Common Stock · traded 9 May 2025 · filed 9 May 2025
- gave away 1,878 shares of Monolithic Power SystemsSEC Form 49 May 2025Common Stock · traded 9 May 2025 · filed 9 May 2025
- gave away 1,102 shares of Monolithic Power SystemsSEC Form 420 February 2025Common Stock · traded 18 February 2025 · filed 20 February 2025
- gave away 1,102 shares of Monolithic Power SystemsSEC Form 420 February 2025Common Stock · traded 18 February 2025 · filed 20 February 2025
- gave away 2,525 shares of Monolithic Power SystemsSEC Form 413 February 2025Common Stock · traded 11 February 2025 · filed 13 February 2025
- gave away 2,525 shares of Monolithic Power SystemsSEC Form 413 February 2025Common Stock · traded 11 February 2025 · filed 13 February 2025
- gave away 5,050 shares of Monolithic Power SystemsSEC Form 413 February 2025Common Stock · traded 11 February 2025 · filed 13 February 2025
- ▼ sold on the open market 662 shares of Monolithic Power SystemsSEC Form 412 February 2025Common Stock · traded 10 February 2025 · filed 12 February 2025
- ▼ sold on the open market 3,941 shares of Monolithic Power SystemsSEC Form 411 February 2025Common Stock · traded 7 February 2025 · filed 11 February 2025
- ▼ sold on the open market 1,600 shares of Monolithic Power SystemsSEC Form 411 February 2025Common Stock · traded 7 February 2025 · filed 11 February 2025
- ▼ sold on the open market 1,259 shares of Monolithic Power SystemsSEC Form 411 February 2025Common Stock · traded 7 February 2025 · filed 11 February 2025
- ▼ sold on the open market 200 shares of Monolithic Power SystemsSEC Form 411 February 2025Common Stock · traded 7 February 2025 · filed 11 February 2025
- ▼ sold on the open market 866 shares of Monolithic Power SystemsSEC Form 413 November 2024Common Stock · traded 8 November 2024 · filed 13 November 2024
- ▼ sold on the open market 226 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 800 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 75 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 1,695 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 1,576 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 1,774 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 789 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 2,304 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 1,559 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 2 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 200 shares of Monolithic Power SystemsSEC Form 48 October 2024Common Stock · traded 7 October 2024 · filed 8 October 2024
- ▼ sold on the open market 859 shares of Monolithic Power SystemsSEC Form 412 August 2024Common Stock · traded 8 August 2024 · filed 12 August 2024
- ▼ sold on the open market 3,205 shares of Monolithic Power SystemsSEC Form 424 July 2024Common Stock · traded 22 July 2024 · filed 24 July 2024
- ▼ sold on the open market 20 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
- ▼ sold on the open market 500 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
- ▼ sold on the open market 1,242 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
- ▼ sold on the open market 1,772 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
- ▼ sold on the open market 2,432 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
- ▼ sold on the open market 1,623 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
- ▼ sold on the open market 2,479 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
- ▼ sold on the open market 472 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
- ▼ sold on the open market 363 shares of Monolithic Power SystemsSEC Form 410 July 2024Common Stock · traded 8 July 2024 · filed 10 July 2024
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.