DEAN ROBERT W II

PrivateCIK: 1445300
Location

PALO ALTO, CA

DEAN ROBERT W II (Interim CFO) sold 0.1% of their position (6.00 shares) of MONOLITHIC POWER SYSTEMS, INC. on the open market

Open‑market sale worth $8.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderDEAN ROBERT W IICIK 1445300
Officer· Interim CFO
Since Feb 2026
-6.00
Net shares
Net seller
$8.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
6.00 disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

6.00

Price / share

$1.41K

Trade value

$8.48K

% of position

0.1%
8/17/2026
7.13K7.13K
Total

Net shares

6.00

Net value

-$8.48K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned65.00
Total
65.00 indirect65.00
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
DEAN ROBERT W II — Insider Transaction (Form 4) Filed Aug 20, 2026 | Finecho