ERO COPPER CORP

Ticker: ERO CUSIP: 296006109 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2025

Shares 43,491 Value ($000) $880 Avg Close $15.23 Range $12.79 - $20.31

Q2 2025

Shares 27,167 Value ($000) $458 Avg Close $13.51 Range $9.30 - $17.31

Q1 2025

Shares 19,058 Value ($000) $231 Avg Close $13.34 Range $11.11 - $14.98

Q4 2024

Shares 7,797 Value ($000) $105 Avg Close $16.94 Range $12.78 - $22.87

Q3 2024

Shares 23,208 Value ($000) $517 Avg Close $20.40 Range $17.68 - $23.40

Q4 2023

Shares 8,255 Value ($000) $130 Avg Close $14.06 Range $11.35 - $17.05

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	43,491	$880	$15.23	$12.79 - $20.31
Q2 2025	27,167	$458	$13.51	$9.30 - $17.31
Q1 2025	19,058	$231	$13.34	$11.11 - $14.98
Q4 2024	7,797	$105	$16.94	$12.78 - $22.87
Q3 2024	23,208	$517	$20.40	$17.68 - $23.40
Q4 2023	8,255	$130	$14.06	$11.35 - $17.05