EcoR1 Capital, LLC

Holdings History for Eton Pharmaceuticals, Inc. - Common Stock (ETON)

Symbol: ETON on Nasdaq
Investment type: Equity / Common Stock
Latest Disclosed Shares Owned: 1,981,003 shares
Security Ownership %: 7.7%

Shares, Excluding Options vs Price

Value, Excluding Options

EcoR1 Capital, LLC ownership in Eton Pharmaceuticals, Inc. Common Stock (ETON)

14 Feb 2025 - EcoR1 Capital, LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,981,003 shares of Eton Pharmaceuticals, Inc. Common Stock (ETON). This represents 7.7% ownership of the company. This is the first filing by EcoR1 Capital, LLC disclosing ownership of Eton Pharmaceuticals, Inc. Common Stock (ETON).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
EcoR1 Capital, LLC	7.7%		$28,407,583	1,981,003			$14.34	13G/A	31 Dec 2024	14 Feb 2025, 13:04

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Sep 2025		2.1%	0%	$44,123,721	2,030,544	0		$21.73	Q3 2025
30 Jun 2025		1.7%	+0.08%	$28,935,252	2,030,544	+91,256	+4.7%	$14.25	Q2 2025
30 Jun 2025	call		-31%	$0	0	-50,500	-100%		Q2 2025
31 Mar 2025		1.5%	+0.08%	$25,171,958	1,939,288	+109,685		$12.98	Q1 2025
31 Mar 2025	call	31%	-63%	$655,490	50,500	-100,900		$12.98	Q1 2025
31 Dec 2024		0.98%	+0.67%	$24,370,312	1,829,603	+1,263,528	+223%	$13.32	Q4 2024
31 Dec 2024	call	1.4%	-0.72%	$2,016,648	151,400	-76,600	-34%	$13.32	Q4 2024
30 Sep 2024		0.12%	+0.12%	$3,396,450	566,075	+566,075	NEW	$6.00	Q3 2024
30 Sep 2024	call	100%	+100%	$1,368,000	228,000	+228,000	NEW	$6.00	Q3 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.