SUMMIT MIDSTREAM CORPORATION

Ticker: SMC CUSIP: 86614G101 Class: Common Stock

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

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

Q4 2025

Shares 40,299 Value ($000) $1,075 Avg Close $23.78 Range $19.83 - $27.95

Q3 2025

Shares 25,413 Value ($000) $522 Avg Close $23.23 Range $19.13 - $26.88

Q2 2025

Shares 21,253 Value ($000) $521 Avg Close $27.47 Range $24.39 - $37.45

Q1 2025

Shares 16,836 Value ($000) $571 Avg Close $40.20 Range $33.10 - $45.89

Q4 2024

Shares 10,847 Value ($000) $410 Avg Close $35.96 Range $31.81 - $38.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	40,299	$1,075	$23.78	$19.83 - $27.95
Q3 2025	25,413	$522	$23.23	$19.13 - $26.88
Q2 2025	21,253	$521	$27.47	$24.39 - $37.45
Q1 2025	16,836	$571	$40.20	$33.10 - $45.89
Q4 2024	10,847	$410	$35.96	$31.81 - $38.80