KNIFE RIVER CORP

Ticker: KNF CUSIP: 498894104 Class: COMMON STOCK

Pinnacle Bancorp, Inc.'s Holding History (CIK: 0001703383)

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

Q4 2025

Shares 158 Value ($000) $11 Avg Close $70.23 Range $58.72 - $79.11

Q3 2025

Shares 158 Value ($000) $12 Avg Close $81.68 Range $70.80 - $94.73

Q2 2025

Shares 158 Value ($000) $13 Avg Close $91.06 Range $76.92 - $103.17

Q1 2025

Shares 223 Value ($000) $20 Avg Close $97.42 Range $84.15 - $108.83

Q4 2024

Shares 273 Value ($000) $28 Avg Close $97.72 Range $84.70 - $108.39

Q3 2024

Shares 273 Value ($000) $24 Avg Close $78.08 Range $67.22 - $93.77

Q2 2024

Shares 522 Value ($000) $37 Avg Close $74.70 Range $66.13 - $83.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	158	$11	$70.23	$58.72 - $79.11
Q3 2025	158	$12	$81.68	$70.80 - $94.73
Q2 2025	158	$13	$91.06	$76.92 - $103.17
Q1 2025	223	$20	$97.42	$84.15 - $108.83
Q4 2024	273	$28	$97.72	$84.70 - $108.39
Q3 2024	273	$24	$78.08	$67.22 - $93.77
Q2 2024	522	$37	$74.70	$66.13 - $83.78