ZHOU JEFF sold 26.1% of their position (1.51K shares) of MONOLITHIC POWER SYSTEMS INC on the open market
Open‑market sale worth $2.43M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 3 sales
Filed: 5/6/2026ACC: 0001214659-26-005690
-1.51K
Net shares
Net seller
$2.43M
Total sold
3
Open market trades
0B · 3S
3
Total transactions
1.51K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
−514.00
Price / share
$1.57K
Trade value
$809.28K
% of position
8.9%
5/5/2026
5.80K→5.29K
Common Stock
Direct
Shares
−500.00
Price / share
$1.60K
Trade value
$800K
% of position
9.5%
5/5/2026
5.29K→4.79K
Common Stock
Direct
Shares
−500.00
Price / share
$1.65K
Trade value
$825K
% of position
10.4%
5/6/2026
4.79K→4.29K
Total
Net shares
−1.51K
Net value
-$2.43M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/5/2026 | S · Sale | −514.00 | $1.57K | $809.28K | 8.9% | 5.80K | 5.29K |
| Common Stock Direct | 5/5/2026 | S · Sale | −500.00 | $1.60K | $800K | 9.5% | 5.29K | 4.79K |
| Common Stock Direct | 5/6/2026 | S · Sale | −500.00 | $1.65K | $825K | 10.4% | 4.79K | 4.29K |
| Total | −1.51K | -$2.43M | ||||||
Derivative Transactions0
No derivative transactions reported