1. Corporate Officers - F
2. Font Juan

Insider Trading History of Font Juan

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Font Juan since 2018. This trader's CIK number is 1733553. At the time of last reporting, Font Juan was the SVP, Pres. & CEO, CoreSite of American Tower Corp /ma/. (stock ticker symbol AMT). Also see all insider trading activities at American Tower Corp /ma/.

Note that in the past Font Juan also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at American Tower Corp /ma/ (AMT) by Font Juan

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	AMT	0	$0	720	$149,997	0	$0
2024	AMT	0	$0	540	$106,644	0	$0

Yearly summary of insider trading at Coresite Realty Corp (COR) by Font Juan

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	COR	0	$0	2,967	$354,353	0	$0
2020	COR	0	$0	3,902	$422,075	0	$0
2019	COR	0	$0	1,219	$125,090	0	$0
2018	COR	0	$0	1,298	$135,176	1,250	$19,037

Insider trading activities at 2 companies by Font Juan:

1. American Tower Corp /ma/ (AMT)

2. Coresite Realty Corp (COR)

Table 1. Insider trading of American Tower Corp /ma/ (AMT) by Font Juan

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-07-31	AMT	Sale	720	208.33	149,997
2024-03-15	AMT	Sale	540	197.49	106,644

Table 2. Insider trading of Coresite Realty Corp (COR) by Font Juan

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-08-05	COR	Sale	600	139.11	83,466
2021-05-24	COR	Sale	400	120.50	48,198
2021-03-17	COR	Sale	971	115.67	112,315
2021-03-10	COR	Sale	234	112.83	26,402
2021-03-05	COR	Sale	762	110.20	83,972
2020-03-23	COR	Sale	52	94.20	4,898
2020-03-19	COR	Sale	1,000	104.67	104,670
2020-03-17	COR	Sale	636	108.04	68,713
2020-03-09	COR	Sale	249	103.01	25,649
2020-03-05	COR	Sale	114	109.90	12,528
2020-03-03	COR	Sale	336	107.86	36,240
2019-05-02	COR	Sale	1,515	111.80	169,377
2019-03-21	COR	Sale	47	107.44	5,049
2019-03-19	COR	Sale	287	103.80	29,790
2019-03-12	COR	Sale	229	102.78	23,536
2019-03-05	COR	Sale	656	101.70	66,715
2018-05-03	COR	Sale	1,250	104.17	130,218
2018-05-03	COR	Option Ex	1,250	15.23	19,037
2018-03-22	COR	Sale	48	103.30	4,958

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Font Juan (SVP, Pres. & CEO, CoreSite of American Tower Corp /ma/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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