DEAN ROBERT W II

PrivateCIK: 1445300
Location

PALO ALTO, CA

DEAN ROBERT W II (Interim CFO) sold 0.4% of their position (32.00 shares) of MONOLITHIC POWER SYSTEMS, INC. on the open market

Open‑market sale worth $41.5K — 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
-37.00
Net shares
Net seller
$41.5K
Total sold
1
Open market trades
0B · 1S
2
Total transactions
37.00 disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

32.00

Price / share

$1.30K

Trade value

$41.53K

% of position

0.4%
8/24/2026
7.13K7.09K

Common Stock

Direct
J · J

Shares

5.00

Price / share

Trade value

% of position

0.1%
8/24/2026
7.09K7.09K
Total

Net shares

37.00

Net value

-$41.53K

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 26, 2026 | Finecho