MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

Note: Option positions (PUT/CALL) are excluded.

Q4 2023

Shares 2,900 Value ($000) $1,829 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 3,650 Value ($000) $1,686 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 6,750 Value ($000) $3,647 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 4,500 Value ($000) $2,252 Avg Close $449.31 Range $331.60 - $518.64

Q2 2019

Shares 3,000 Value ($000) $407 Avg Close $129.05 Range $108.95 - $152.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	2,900	$1,829	$513.84	$385.61 - $636.41
Q3 2023	3,650	$1,686	$501.94	$430.22 - $584.79
Q2 2023	6,750	$3,647	$465.29	$375.28 - $542.22
Q1 2023	4,500	$2,252	$449.31	$331.60 - $518.64
Q2 2019	3,000	$407	$129.05	$108.95 - $152.95