ARCUTIS BIOTHERAPEUTICS INC

Ticker: ARQT CUSIP: 03969K108 Class: Common Stock

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q1 2024

Shares 500,000 Value ($000) $4,955 Avg Close $7.46 Range $3.07 - $12.35

Q1 2023

Shares 415,322 Value ($000) $4,569 Avg Close $14.47 Range $10.05 - $17.57

Q4 2022

Shares 415,322 Value ($000) $6,147 Avg Close $17.47 Range $13.37 - $20.64

Q3 2022

Shares 415,322 Value ($000) $7,937 Avg Close $22.66 Range $17.01 - $27.40

Q2 2022

Shares 895,503 Value ($000) $19,083 Avg Close $20.51 Range $16.07 - $22.97

Q1 2022

Shares 895,503 Value ($000) $17,247 Avg Close $16.92 Range $13.59 - $23.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	500,000	$4,955	$7.46	$3.07 - $12.35
Q1 2023	415,322	$4,569	$14.47	$10.05 - $17.57
Q4 2022	415,322	$6,147	$17.47	$13.37 - $20.64
Q3 2022	415,322	$7,937	$22.66	$17.01 - $27.40
Q2 2022	895,503	$19,083	$20.51	$16.07 - $22.97
Q1 2022	895,503	$17,247	$16.92	$13.59 - $23.00