KNIFE RIVER CORP

Ticker: KNF CUSIP: 498894104 Class: COMMON STOCK

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2025

Shares 14,628 Value ($000) $1,029 Avg Close $70.23 Range $58.72 - $79.11

Q3 2025

Shares 467,146 Value ($000) $35,910 Avg Close $81.68 Range $70.80 - $94.73

Q2 2025

Shares 671,336 Value ($000) $54,808 Avg Close $91.06 Range $76.92 - $103.17

Q1 2025

Shares 1,062,743 Value ($000) $95,870 Avg Close $97.42 Range $84.15 - $108.83

Q4 2024

Shares 887,680 Value ($000) $90,224 Avg Close $97.72 Range $84.70 - $108.39

Q3 2024

Shares 68,241 Value ($000) $6,100 Avg Close $78.08 Range $67.22 - $93.77

Q2 2024

Shares 65,946 Value ($000) $4,625 Avg Close $74.70 Range $66.13 - $83.78

Q1 2024

Shares 27,633 Value ($000) $2,240 Avg Close $70.17 Range $61.50 - $81.38

Q4 2023

Shares 22,086 Value ($000) $1,462 Avg Close $56.89 Range $46.51 - $67.43

Q3 2023

Shares 14,224 Value ($000) $695 Avg Close $47.47 Range $41.53 - $53.26

Q2 2023

Shares 11,014 Value ($000) $479 Avg Close $44.43 Range $36.48 - $49.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,628	$1,029	$70.23	$58.72 - $79.11
Q3 2025	467,146	$35,910	$81.68	$70.80 - $94.73
Q2 2025	671,336	$54,808	$91.06	$76.92 - $103.17
Q1 2025	1,062,743	$95,870	$97.42	$84.15 - $108.83
Q4 2024	887,680	$90,224	$97.72	$84.70 - $108.39
Q3 2024	68,241	$6,100	$78.08	$67.22 - $93.77
Q2 2024	65,946	$4,625	$74.70	$66.13 - $83.78
Q1 2024	27,633	$2,240	$70.17	$61.50 - $81.38
Q4 2023	22,086	$1,462	$56.89	$46.51 - $67.43
Q3 2023	14,224	$695	$47.47	$41.53 - $53.26
Q2 2023	11,014	$479	$44.43	$36.48 - $49.19