STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

Cartenna Capital, LP's Holding History (CIK: 0001808928)

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

Q4 2025

Shares 40,000 Value ($000) $6,778 Avg Close $158.36 Range $137.70 - $177.84

Q4 2024

Shares 413,272 Value ($000) $47,142 Avg Close $130.47 Range $111.65 - $152.72

Q3 2024

Shares 285,000 Value ($000) $35,933 Avg Close $118.85 Range $102.31 - $134.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	40,000	$6,778	$158.36	$137.70 - $177.84
Q4 2024	413,272	$47,142	$130.47	$111.65 - $152.72
Q3 2024	285,000	$35,933	$118.85	$102.31 - $134.27