STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

Optas, LLC's Holding History (CIK: 0001802961)

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

Q4 2025

Shares 1,979 Value ($000) $335 Avg Close $158.36 Range $137.70 - $177.84

Q3 2025

Shares 1,921 Value ($000) $268 Avg Close $130.39 Range $119.11 - $140.98

Q2 2025

Shares 1,924 Value ($000) $246 Avg Close $126.36 Range $102.11 - $140.95

Q1 2025

Shares 1,911 Value ($000) $239 Avg Close $124.96 Range $109.33 - $137.65

Q4 2024

Shares 1,785 Value ($000) $204 Avg Close $130.47 Range $111.65 - $152.72

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,979	$335	$158.36	$137.70 - $177.84
Q3 2025	1,921	$268	$130.39	$119.11 - $140.98
Q2 2025	1,924	$246	$126.36	$102.11 - $140.95
Q1 2025	1,911	$239	$124.96	$109.33 - $137.65
Q4 2024	1,785	$204	$130.47	$111.65 - $152.72