InsidersTradesSigma
Follow the AMERICAN TOWER CORP /MA/ stock price and the full insider trade history of the company, a publicly traded company based in United States. Shares are quoted on the US market, under the oversight of SEC (Form 4). Market capitalisation: €14.2m. The latest transaction was disclosed on 25 August 2026 (Acquisition). Among the most active insiders: Smith Rodney M. All data is openly available.
196
Insider Decl.
n/a
Thresholds
€1m
3 ops.
Buy Volume
€26m
42 ops.
Sell Volume
53Σ signal
This score ranks the purchase within its own market. No market currently meets the historical allocation criteria, so signals remain watch-only. Not investment advice.
Sigma AI Analysis
Fundamental view, insider signal, bull and bear case, synthesis.
AI analysis generation is paused.
Last declaration on 25 August 2026
Declarations196 total
2,829 shares@ US$177.00Common StockSEC:0001053507-26-000139:0
Canonical exit: 19 Nov 2026 (T+90)
5,000 shares@ US$178.896.46% mcap51.8% of flowCommon StockSEC:0001053507-26-000137:0
685 shares@ US$169.540.84% mcap11.3% of flowCommon StockSEC:0001053507-26-000135:0
1,106 shares@ US$174.961.40% mcap18.8% of flowCommon StockSEC:0001053507-26-000135:1
153 shares@ US$187.533.4% of flowCommon StockSEC:0001053507-26-000125:0
810 shares0Common StockSEC:0001053507-26-000121:0
6,448 shares0Common StockSEC:0001053507-26-000082:0
10,531 shares0Common StockSEC:0001053507-26-000078:0
4,030 shares0Common StockSEC:0001053507-26-000076:0
6,878 shares0Common StockSEC:0001053507-26-000074:0
8,167 shares0Common StockSEC:0001053507-26-000072:0
20,955 shares0Common StockSEC:0001053507-26-000070:0
1,209 shares0Common StockSEC:0001053507-26-000066:0
1,209 shares0Common StockSEC:0001053507-26-000064:0
1,209 shares0Common StockSEC:0001053507-26-000062:0
1,209 shares0Common StockSEC:0001053507-26-000061:0
1,209 shares0Common StockSEC:0001053507-26-000059:0
1,209 shares0Common StockSEC:0001053507-26-000058:0
1,209 shares0Common StockSEC:0001053507-26-000057:0
1,209 shares0Common StockSEC:0001053507-26-000055:0
1,209 shares0Common StockSEC:0001053507-26-000052:0
1,209 shares0Common StockSEC:0001053507-26-000050:0
1,209 shares0Common StockSEC:0001053507-26-000068:0
33,482 shares@ US$94.7121.3% of flowCommon StockSEC:0001053507-26-000045:0
25 of 196 declarations
About AMERICAN TOWER CORP /MA/
American Tower Corp is a company that specializes in managing telecommunications towers. It provides infrastructure for wireless and broadcasting network operators.