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American Tower

AMT Net selling
CIK 0001053507 #36 in the set updated 17 Sep 2026
Bought (120 mo)
$2.00M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$458.30M
$10.97M on a plan · $370.62M straight out of an exercise
Sold at will
$76.71M
138 of 362 sales
Net
−$456.31M
−$74.72M against sales at will

By person

32 insiders · 376 transactions
19.2×

Steven O. Vondran holds 19.2 times base salary in stock. $19.28M of shares against $1.00M in salary for 2025.

Salary from the company's own proxy. The shares are what Steven O. Vondran last reported holding, valued at $177.00, the price Common Stock was last bought or sold at on the open market here, on 21 Aug 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
TAICLET JAMES D JR
Former Chair, President & CEO
$127.18M (51) scheduled
−$127.18M
331,331
0.0711%
$58.65M
+90.5%
DiSanto Edmund
Former Officer
$52.36M (32) scheduled
−$52.36M
161,670
0.0347%
$28.62M
+96.4%
Sharma Amit
Former Officer
$45.55M (19)
−$45.55M
363,750
0.0781%
$64.38M
+250.9%
Smith Rodney M
EVP, CFO & Treasurer
$34.69M (29) scheduled
−$34.69M
92,542
0.0199%
$16.38M
+99.6%
Meyer Robert Joseph
SVP & Advisor to the CFO
$28.67M (25) scheduled
−$28.67M
21,428
0.0046%
$3.79M
−6.1%
Marshall Steven C.
Former Officer
$28.37M (4) scheduled
−$28.37M
104,835
0.0225%
$18.56M
+16.3%
Bartlett Thomas A
Former Officer
$27.15M (3) scheduled
−$27.15M
269,557
0.0578%
$47.71M
+319.5%
HESS WILLIAM H
Former Officer
$21.25M (6) scheduled
−$21.25M
60,793
0.0130%
$10.76M
−26.2%
Puech Olivier
Former Officer
$21.10M (65) scheduled
−$21.10M
38,023
0.0082%
$6.73M
+102.2%
Vondran Steven O
President and CEO
$18.28M (25) scheduled
−$18.28M
108,902
0.0234%
$19.28M
+333.5%
Noel Eugene M
EVP & Chief Operating Officer
$15.83M (5) scheduled
−$15.83M
34,542
0.0074%
$6.11M
+41.1%
THOMPSON SAMME L
Former Director
$7.69M (20) scheduled
−$7.69M
24,260
0.0052%
$4.29M
+32.8%
REEVE PAMELA D A
Director
$7.20M (8) scheduled
−$7.20M
21,089
0.0045%
$3.73M
+84.4%
SHARBUTT DAVID E
Former Director
$5.31M (15) scheduled
−$5.31M
2,858
0.0006%
$505.87K
−44.2%
DOLAN RAYMOND P
Former Director
$3.90M (6) scheduled
−$3.90M
19,634
0.0042%
$3.48M
+71.7%
Goel Sanjay
Former Officer
$2.15K (2)
$3.88M (4)
−$3.88M
25,408
0.0055%
$4.50M
REED JOANN A
Former Director
$3.41M (8) scheduled
−$3.41M
62,940
0.0135%
$11.14M
+450.3%
Lara Gustavo
Former Director
$3.41M (4) scheduled
−$3.41M
12,530
0.0027%
$2.22M
−6.4%
MACNAB CRAIG
Director
$1.34M (1) scheduled
−$1.34M
15,315
0.0033%
$2.71M
+436.8%
Kalathur Rajesh
Director
$995.67K (2)
+$995.67K
7,765
0.0017%
$1.37M
REILLY EUGENE F
Director
$994.11K (1)
+$994.11K
6,898
0.0015%
$1.22M
+5,010%
HORMATS ROBERT D
Former Director
$750.14K (24)
−$750.14K
9,597
0.0021%
$1.70M
+278.6%
Dowling Ruth T
EVP, Chief Admin Ofr, GC & Sec
$733.42K (6) scheduled
−$733.42K
27,711
0.0059%
$4.90M
+177.7%
Font Juan
SVP, Pres. & CEO, CoreSite
$256.64K (2)
−$256.64K
28,352
0.0061%
$5.02M
+41.6%
Tanner Bruce L
Director
$3.21K (2)
+$3.21K
6,940
0.0015%
$1.23M
Rossi Richard C
EVP & President, U.S. Tower
17,518
0.0038%
$3.10M
+55.1%
KATZ CAROLYN
Former Director
12,905
0.0028%
$2.28M
+11.4%
Lieblein Grace
Director
9,141
0.0020%
$1.62M
Frank Kenneth R
Director
6,188
0.0013%
$1.10M
Clarke Teresa Hillary
Director
5,307
0.0011%
$939.34K
Chambliss Kelly C
Director
4,426
0.0009%
$783.40K
Ray Neville R
Director
2,265
0.0005%
$400.91K
Insider
Date
Role
Action
Shares
Price
Amount
Dowling Ruth T
29 Jul 2026
EVP, Chief Admin Ofr, GC & Sec
Sold on a plan
1,106
$174.96
$193.51K
Dowling Ruth T
28 Jul 2026
EVP, Chief Admin Ofr, GC & Sec
Sold on a plan
685
$169.54
$116.13K
Dowling Ruth T
29 Apr 2026
EVP, Chief Admin Ofr, GC & Sec
Sold on a plan
416
$177.54
$73.86K
Dowling Ruth T
28 Apr 2026
EVP, Chief Admin Ofr, GC & Sec
Sold on a plan
556
$178.48
$99.23K
Dowling Ruth T
4 Mar 2026
EVP, Chief Admin Ofr, GC & Sec
Sold on a plan
682
$188.51
$128.56K
Dowling Ruth T
27 Feb 2026
EVP, Chief Admin Ofr, GC & Sec
Sold on a plan
656
$186.16
$122.12K
Puech Olivier
3 Sep 2024
EVP & President, LatAm & EMEA
Sold on a plan
18,989
$230.00
$4.37M
Puech Olivier
26 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
1,578
$227.23
$358.57K
Puech Olivier
26 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
4,139
$226.67
$938.19K
Puech Olivier
26 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
4,271
$225.71
$964.01K
Puech Olivier
2 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
396
$235.30
$93.18K
Puech Olivier
2 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
2,485
$234.21
$582.01K
Puech Olivier
2 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
3,848
$233.35
$897.93K
Puech Olivier
2 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
3,097
$232.40
$719.74K
Puech Olivier
2 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
30
$230.00
$6.90K
Puech Olivier
2 Aug 2024
EVP & President, LatAm & EMEA
Sold on a plan
149
$229.11
$34.14K
HORMATS ROBERT D
16 Oct 2023
Director
Sold on a plan
150
$166.39
$24.96K
HORMATS ROBERT D
2 Oct 2023
Director
Sold on a plan
150
$163.63
$24.54K
HORMATS ROBERT D
15 Aug 2023
Director
Sold on a plan
125
$185.34
$23.17K
Smith Rodney M
10 Aug 2023
EVP, CFO & Treasurer
Sold on a plan
2,727
$187.17
$510.41K
Smith Rodney M
3 Aug 2023
EVP, CFO & Treasurer
Sold on a plan
650
$189.62
$123.25K
Smith Rodney M
3 Aug 2023
EVP, CFO & Treasurer
Sold on a plan
2,291
$188.94
$432.86K
Smith Rodney M
3 Aug 2023
EVP, CFO & Treasurer
Sold on a plan
583
$188.00
$109.60K
HORMATS ROBERT D
1 Aug 2023
Director
Sold on a plan
125
$190.75
$23.84K
Showing 250 of 376 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 511
Amendments (4/A) skipped 0
Filings about a different issuer 1
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 24
Sales straight out of an exercise 200
Sales at will 138
Transactions with no price 0
Shares from compensation/vesting 5,194,864
Sales filed before the plan box existed 126
History held since 8 Sep 2016