STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

Scientech Research LLC's Holding History (CIK: 0002011556)

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

Q4 2025

Shares 1,975 Value ($000) $335 Avg Close $158.36 Range $137.70 - $177.84

Q2 2025

Shares 10,181 Value ($000) $1,303 Avg Close $126.36 Range $102.11 - $140.95

Q1 2025

Shares 7,159 Value ($000) $895 Avg Close $124.96 Range $109.33 - $137.65

Q4 2024

Shares 4,814 Value ($000) $549 Avg Close $130.47 Range $111.65 - $152.72

Q1 2024

Shares 4,363 Value ($000) $647 Avg Close $122.14 Range $106.53 - $144.95

Q4 2023

Shares 3,031 Value ($000) $358 Avg Close $107.90 Range $95.11 - $124.46

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,975	$335	$158.36	$137.70 - $177.84
Q2 2025	10,181	$1,303	$126.36	$102.11 - $140.95
Q1 2025	7,159	$895	$124.96	$109.33 - $137.65
Q4 2024	4,814	$549	$130.47	$111.65 - $152.72
Q1 2024	4,363	$647	$122.14	$106.53 - $144.95
Q4 2023	3,031	$358	$107.90	$95.11 - $124.46