DEAN ROBERT W II

PrivateCIK: 1445300
Location

PALO ALTO, CA

DEAN ROBERT W II enters MONOLITHIC POWER SYSTEMS INC with 8.13K shares across direct and indirect positions

This filing by DEAN ROBERT W II (Interim CFO) establishes the baseline for all future Form 4 insider transaction reports at MONOLITHIC POWER SYSTEMS INC.

Direct Indirect
InsiderDEAN ROBERT W IICIK 1445300
Officer· Interim CFO
Since Feb 2026
8.13K
Baseline shares
99% direct
8.06K
Direct ownership
1 position
0.00
Derivative underlying
0 instruments
2
Security positions
65.00 indirect
Non-Derivative Holdings2

Common Stock

Direct
Shares owned8.06K

Common Stock

Indirect
Shares owned65.00
Total
8.06K direct·65.00 indirect8.13K
Derivative Holdings0
No derivative holdings reported
DEAN ROBERT W II — Initial Ownership Disclosure (Form 3) Filed Mar 9, 2026 | Finecho