STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

Polymer Capital Management (US) LLC's Holding History (CIK: 0001973324)

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

Q4 2025

Shares 7,167 Value ($000) $1,214 Avg Close $158.36 Range $137.70 - $177.84

Q3 2025

Shares 16,319 Value ($000) $2,275 Avg Close $130.39 Range $119.11 - $140.98

Q2 2025

Shares 25,214 Value ($000) $3,228 Avg Close $126.36 Range $102.11 - $140.95

Q1 2025

Shares 5,407 Value ($000) $676 Avg Close $124.96 Range $109.33 - $137.65

Q4 2024

Shares 1,800 Value ($000) $205 Avg Close $130.47 Range $111.65 - $152.72

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,167	$1,214	$158.36	$137.70 - $177.84
Q3 2025	16,319	$2,275	$130.39	$119.11 - $140.98
Q2 2025	25,214	$3,228	$126.36	$102.11 - $140.95
Q1 2025	5,407	$676	$124.96	$109.33 - $137.65
Q4 2024	1,800	$205	$130.47	$111.65 - $152.72