DT MIDSTREAM INC

Ticker: DTM CUSIP: 23345M107 Class: COMMON STOCK

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q3 2025

Shares 8,683 Value ($000) $982 Avg Close $103.16 Range $96.65 - $113.33

Q2 2025

Shares 3,626 Value ($000) $399 Avg Close $99.18 Range $81.47 - $109.51

Q3 2023

Shares 6,250 Value ($000) $331 Avg Close $47.45 Range $44.52 - $49.74

Q2 2023

Shares 13,196 Value ($000) $654 Avg Close $42.92 Range $40.35 - $45.48

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	8,683	$982	$103.16	$96.65 - $113.33
Q2 2025	3,626	$399	$99.18	$81.47 - $109.51
Q3 2023	6,250	$331	$47.45	$44.52 - $49.74
Q2 2023	13,196	$654	$42.92	$40.35 - $45.48