AT&T INC

Ticker: T CUSIP: 00206R102 Class: COM

OBSIDIAN CIO, LLC's Holding History (CIK: 0001843581)

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

Q4 2025

Shares 2,029 Value ($000) $50 Avg Close $25.29 Range $24.01 - $27.86

Q3 2025

Shares 12,173 Value ($000) $344 Avg Close $28.07 Range $25.57 - $29.47

Q2 2025

Shares 10,497 Value ($000) $304 Avg Close $26.96 Range $24.33 - $28.43

Q1 2025

Shares 8,488 Value ($000) $240 Avg Close $24.35 Range $20.72 - $27.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,029	$50	$25.29	$24.01 - $27.86
Q3 2025	12,173	$344	$28.07	$25.57 - $29.47
Q2 2025	10,497	$304	$26.96	$24.33 - $28.43
Q1 2025	8,488	$240	$24.35	$20.72 - $27.68