ETON PHARMACEUTICALS INC

Ticker: ETON CUSIP: 29772L108 Class: COM

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

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

Q4 2025

Shares 2,030,544 Value ($000) $34,336 Avg Close $17.60 Range $15.28 - $21.88

Q3 2025

Shares 2,030,544 Value ($000) $44,124 Avg Close $16.59 Range $13.51 - $23.00

Q2 2025

Shares 2,030,544 Value ($000) $28,935 Avg Close $15.81 Range $11.09 - $21.48

Q1 2025

Shares 1,939,288 Value ($000) $25,172 Avg Close $15.11 Range $11.61 - $18.41

Q4 2024

Shares 1,829,603 Value ($000) $24,370 Avg Close $10.14 Range $5.80 - $13.98

Q3 2024

Shares 566,075 Value ($000) $3,396 Avg Close $4.23 Range $3.22 - $6.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,030,544	$34,336	$17.60	$15.28 - $21.88
Q3 2025	2,030,544	$44,124	$16.59	$13.51 - $23.00
Q2 2025	2,030,544	$28,935	$15.81	$11.09 - $21.48
Q1 2025	1,939,288	$25,172	$15.11	$11.61 - $18.41
Q4 2024	1,829,603	$24,370	$10.14	$5.80 - $13.98
Q3 2024	566,075	$3,396	$4.23	$3.22 - $6.25