$AMT 4 SEC Filings

Filed On	Filing
22 Oct 2026	Form 4: Clarke Teresa Hillary, Director Bought 6.674 shares ($1.37K) · Bought 7.192 shares ($1.39K) · Bought 8.452 shares ($1.45K) · 12 more
05 Oct 2026	Form 4: Blanchett Paul, SVP & Chief Accounting Officer Received 16,299 shares as a grant or award
25 Aug 2026	Form 4: Kalathur Rajesh, Director Bought 2,829 shares ($501K)
31 Jul 2026	Form 4: Meyer Robert Joseph, SVP & Advisor to the CFO Sold 5,000 shares ($894K)
30 Jul 2026	Form 4: Dowling Ruth T, EVP, Chief Admin Ofr, GC & Sec Sold 685 shares ($116K) · Sold 1,106 shares ($194K)
03 Jun 2026	Form 4: Meyer Robert Joseph, SVP & Advisor to the CFO Gave up 153 shares to cover exercise price or tax ($28.7K)
01 Jun 2026	Form 4: Reeve Pamela D A, Director Gave 810 shares as a gift
20 May 2026	Form 4: Hormats Robert D, Former Director Holds 9,597 shares of Common Stock
30 Apr 2026	Form 4: Dowling Ruth T, EVP, Chief Admin Ofr, GC & Sec Sold 556 shares ($99.2K) · Sold 416 shares ($73.9K)
12 Mar 2026	Form 4: Rossi Richard C, EVP & President, U.S. Tower Received 6,448 shares as a grant or award · Gave up 1,544 shares to cover exercise price or tax ($287K) · Gave up 684 shares to cover exercise price or tax ($125K)
12 Mar 2026	Form 4: Font Juan, SVP, Pres. & CEO, CoreSite Received 8,060 shares as a grant or award · Gave up 1,834 shares to cover exercise price or tax ($341K) · Gave up 928 shares to cover exercise price or tax ($170K)
12 Mar 2026	Form 4: Smith Rodney M, EVP, CFO & Treasurer Received 10,531 shares as a grant or award · Gave up 12,433 shares to cover exercise price or tax ($2.31M) · Gave up 1,295 shares to cover exercise price or tax ($237K)
12 Mar 2026	Form 4: Meyer Robert Joseph, SVP & Chief Accounting Officer Received 4,030 shares as a grant or award · Gave up 1,368 shares to cover exercise price or tax ($255K) · Gave up 684 shares to cover exercise price or tax ($125K)
12 Mar 2026	Form 4: Dowling Ruth T, EVP, Chief Admin Ofr, GC & Sec Received 6,878 shares as a grant or award · Gave up 6,629 shares to cover exercise price or tax ($1.23M) · Gave up 863 shares to cover exercise price or tax ($158K)
12 Mar 2026	Form 4: Noel Eugene M, EVP & Chief Operating Officer Received 8,167 shares as a grant or award · Gave up 2,498 shares to cover exercise price or tax ($465K) · Gave up 719 shares to cover exercise price or tax ($131K)
12 Mar 2026	Form 4: Vondran Steven O, Director Received 20,955 shares as a grant or award · Gave up 15,269 shares to cover exercise price or tax ($2.84M) · Gave up 2,158 shares to cover exercise price or tax ($395K)
12 Mar 2026	Form 4: Chambliss Kelly C, Director Received 1,209 shares as a grant or award
12 Mar 2026	Form 4: Macnab Craig, Director Received 1,209 shares as a grant or award
12 Mar 2026	Form 4: Kalathur Rajesh, Director Received 1,209 shares as a grant or award · Bought 2,671 shares ($495K)
12 Mar 2026	Form 4: Hormats Robert D, Director Received 1,209 shares as a grant or award

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