STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

SummitTX Capital, L.P.'s Holding History (CIK: 0002052310)

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

Q4 2025

Shares 17,252 Value ($000) $2,923 Avg Close $158.36 Range $137.70 - $177.84

Q3 2025

Shares 2,200 Value ($000) $307 Avg Close $130.39 Range $119.11 - $140.98

Q1 2025

Shares 55,853 Value ($000) $6,986 Avg Close $124.96 Range $109.33 - $137.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,252	$2,923	$158.36	$137.70 - $177.84
Q3 2025	2,200	$307	$130.39	$119.11 - $140.98
Q1 2025	55,853	$6,986	$124.96	$109.33 - $137.65