AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

CSS LLC/IL's Holding History (CIK: 0001103646)

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

Q4 2025

Shares 2,970 Value ($000) $521 Avg Close $180.30 Range $169.12 - $192.63

Q2 2019

Shares 800 Value ($000) $164 Avg Close $168.17 Range $157.69 - $183.80

Q4 2017

Shares 900 Value ($000) $128 Avg Close $115.75 Range $109.97 - $125.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,970	$521	$180.30	$169.12 - $192.63
Q2 2019	800	$164	$168.17	$157.69 - $183.80
Q4 2017	900	$128	$115.75	$109.97 - $125.87