MONOLITHIC POWER SYSTEMS INC SEC Filings

Interim CFO Dean receives 1,359 RSUs from performance award

Sciammas Maurice sold 527 shares at $1,314.03 on 2026-07-15; Sciammas Maurice sold 274 shares at $1,318.42 on 2026-07-15 (+3 more)

Sciammas Maurice sold 30 shares of Common Stock at $1,351.61 on 2026-07-01; Sciammas Maurice transacted N/A shares of Common Stock at $N/A on N/A

Sciammas Maurice sold 30 shares of Common Stock at $1,533.95 on 2026-06-01; Sciammas Maurice transacted N/A shares of Common Stock at $N/A on N/A

Sciammas Maurice sold 12,472 shares of Common Stock at $N/A on 2026-05-29; Sciammas Maurice transacted N/A shares of Common Stock at $N/A on N/A

Tseng Saria sold 7,565 shares of Common Stock at $1,700.00 on 2026-05-27; Tseng Saria transacted N/A shares of Common Stock at $N/A on N/A

DEAN ROBERT W II sold 22 shares of Common Stock at $1,649.56 on 2026-05-26; DEAN ROBERT W II transacted N/A shares of Common Stock at $N/A on N/A

Zhou Jeff sold 486 shares of Common Stock at $1,680.00 on 2026-05-26

Tseng Saria sold 200 shares of Common Stock at $N/A on 2026-05-22; Tseng Saria sold 5,000 shares of Common Stock at $1,586.43 on 2026-05-22; Tseng Saria transacted N/A shares of Common Stock at $N/A on N/A

Hsing Michael sold 3,424 shares of Common Stock at $1,462.61 on 2026-05-18; Hsing Michael sold 5,819 shares of Common Stock at $1,467.62 on 2026-05-18; Hsing Michael sold 5,049 shares of Common Stock at $1,472.84 on 2026-05-18; Hsing Michael sold 4,082 shares of Common Stock at $1,476.96 on 2026-05-18; Hsing Michael sold 5,737 shares of Common Stock at $1,482.51 on 2026-05-18

DEAN ROBERT W II sold 4 shares of Common Stock at $1,563.28 on 2026-05-18; DEAN ROBERT W II transacted N/A shares of Common Stock at $N/A on N/A

Sciammas Maurice sold 3,741 shares of Common Stock at $1,550.36 on 2026-05-15; Sciammas Maurice sold 1,717 shares of Common Stock at $1,557.48 on 2026-05-15; Sciammas Maurice sold 2,010 shares of Common Stock at $1,562.01 on 2026-05-15; Sciammas Maurice sold 2,020 shares of Common Stock at $1,567.15 on 2026-05-15; Sciammas Maurice sold 1,312 shares of Common Stock at $1,571.49 on 2026-05-15

Sciammas Maurice sold 1,563 shares of Common Stock at $N/A on 2026-05-13; Sciammas Maurice transacted N/A shares of Common Stock at $N/A on N/A

DEAN ROBERT W II sold 2,156 shares of Common Stock at $N/A on 2026-05-13; DEAN ROBERT W II transacted N/A shares of Common Stock at $N/A on N/A

Elmiger Eugen J sold 320 shares of Common Stock at $1,559.88 on 2026-05-06; Elmiger Eugen J sold 814 shares of Common Stock at $1,566.36 on 2026-05-06; Elmiger Eugen J sold 1,078 shares of Common Stock at $1,571.58 on 2026-05-06; Elmiger Eugen J sold 834 shares of Common Stock at $1,575.57 on 2026-05-06; Elmiger Eugen J sold 1,879 shares of Common Stock at $1,581.81 on 2026-05-06

Xiao Deming sold 3,329 shares of Common Stock at $1,648.38 on 2026-05-06; Xiao Deming sold 14,167 shares of Common Stock at $1,652.80 on 2026-05-06; Xiao Deming sold 11,597 shares of Common Stock at $1,657.93 on 2026-05-06; Xiao Deming sold 907 shares of Common Stock at $1,661.38 on 2026-05-06; Xiao Deming transacted N/A shares of Common Stock at $N/A on N/A

Wynne Eileen sold 335 shares of Common Stock at $1,582.68 on 2026-05-06