STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

Rossby Financial, LCC's Holding History (CIK: 0002056510)

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

Q4 2025

Shares 44 Value ($000) $7 Avg Close $158.36 Range $137.70 - $177.84

Q2 2025

Shares 1 Value ($000) $0 Avg Close $126.36 Range $102.11 - $140.95

Q1 2025

Shares 805 Value ($000) $103 Avg Close $124.96 Range $109.33 - $137.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	44	$7	$158.36	$137.70 - $177.84
Q2 2025	1	$0	$126.36	$102.11 - $140.95
Q1 2025	805	$103	$124.96	$109.33 - $137.65