ERO COPPER CORP

Ticker: ERO CUSIP: 296006109 Class: COM

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q3 2025

Shares 10,795 Value ($000) $280 Avg Close $15.23 Range $12.79 - $20.31

Q1 2025

Shares 44,254 Value ($000) $771 Avg Close $13.34 Range $11.11 - $14.98

Q4 2024

Shares 52,200 Value ($000) $704 Avg Close $16.94 Range $12.78 - $22.87

Q4 2023

Shares 22,532 Value ($000) $356 Avg Close $14.06 Range $11.35 - $17.05

Q1 2023

Shares 10,886 Value ($000) $193 Avg Close $16.10 Range $13.61 - $18.72

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	10,795	$280	$15.23	$12.79 - $20.31
Q1 2025	44,254	$771	$13.34	$11.11 - $14.98
Q4 2024	52,200	$704	$16.94	$12.78 - $22.87
Q4 2023	22,532	$356	$14.06	$11.35 - $17.05
Q1 2023	10,886	$193	$16.10	$13.61 - $18.72