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Mailing Address 116 HUNTINGTON AVE BOSTON MA 02116
Business Address 116 HUNTINGTON AVE BOSTON MA 02116 6173757500
AMERICAN TOWER CORP /MA/ CIK#: 0001053507 (see all company filings)

SIC: 6798 - REAL ESTATE INVESTMENT TRUSTS
State location: MA | State of Inc.: DE | Fiscal Year End: 1231
formerly: AMERICAN TOWER SYSTEMS CORP (filings through 1998-05-08)
(CF Office: 05 Real Estate & Construction)
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Items 1 - 40  0001053507 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
8-K  Documents   Interactive Data Current report, items 5.02, 8.01, and 9.01
Acc-no: 0001053507-24-000067 (34 Act)  Size: 470 KB
2024-03-14 001-14195
24750777
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001193125-24-062192 (34 Act)  Size: 614 KB
2024-03-07 001-14195
24730305
424B2  Documents Prospectus [Rule 424(b)(2)]
Acc-no: 0001193125-24-059238 (33 Act)  Size: 832 KB
2024-03-05 333-265348
24720387
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001053507-24-000023 (34 Act)  Size: 324 KB
2024-03-04 001-14195
24715651
FWP  Documents Filing under Securities Act Rules 163/433 of free writing prospectuses
Acc-no: 0001193125-24-058003 (34 Act)  Size: 21 KB
2024-03-04 333-265348
24715641
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-24-056970 (33 Act)  Size: 811 KB
2024-03-04 333-265348
24712978
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001053507-24-000015 (34 Act)  Size: 297 KB
2024-03-01 001-14195
24711276
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001053507-24-000011 (34 Act)  Size: 23 MB
2024-02-27 001-14195
24687106
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001053507-24-000009 (34 Act)  Size: 1 MB
2024-02-27 001-14195
24681935
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020262 (34 Act)  Size: 13 KB
2024-02-13 005-55211
24627362
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001053507-24-000005 (34 Act)  Size: 293 KB
2024-02-07 001-14195
24605017
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-004247 (34 Act)  Size: 13 KB
2024-01-26 005-55211
24565743
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001053507-24-000003 (34 Act)  Size: 329 KB
2024-01-05 001-14195
24514361
8-K  Documents   Interactive Data Current report, items 5.03, 8.01, and 9.01
Acc-no: 0001053507-23-000167 (34 Act)  Size: 545 KB
2023-12-14 001-14195
231485609
424B8  Documents Prospectus filed pursuant to Rule 424(b)(8)
Acc-no: 0001193125-23-265101 (33 Act)  Size: 19 KB
2023-10-27 333-265348
231355479
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001053507-23-000161 (34 Act)  Size: 13 MB
2023-10-26 001-14195
231350240
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001053507-23-000158 (34 Act)  Size: 1 MB
2023-10-26 001-14195
231347451
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001053507-23-000154 (34 Act)  Size: 319 KB
2023-09-20 001-14195
231266624
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001193125-23-236155 (34 Act)  Size: 605 KB
2023-09-15 001-14195
231258734
424B2  Documents Prospectus [Rule 424(b)(2)]
Acc-no: 0001193125-23-234423 (33 Act)  Size: 819 KB
2023-09-13 333-265348
231253208
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001053507-23-000152 (34 Act)  Size: 325 KB
2023-09-12 001-14195
231250712
FWP  Documents Filing under Securities Act Rules 163/433 of free writing prospectuses
Acc-no: 0001193125-23-233530 (34 Act)  Size: 21 KB
2023-09-12 333-265348
231250664
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-23-233068 (33 Act)  Size: 811 KB
2023-09-12 333-265348
231249070
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001053507-23-000142 (34 Act)  Size: 16 MB
2023-07-27 001-14195
231118415
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001053507-23-000140 (34 Act)  Size: 1 MB
2023-07-27 001-14195
231115266
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001053507-23-000136 (34 Act)  Size: 327 KB
2023-07-20 001-14195
231098269
8-K  Documents   Interactive Data Current report, items 1.01, 1.02, and 2.03
Acc-no: 0001053507-23-000132 (34 Act)  Size: 299 KB
2023-06-29 001-14195
231057469
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001193125-23-154223 (34 Act)  Size: 653 KB
2023-05-25 001-14195
23960723
8-K  Documents   Interactive Data Current report, items 5.07, 8.01, and 9.01
Acc-no: 0001053507-23-000128 (34 Act)  Size: 397 KB
2023-05-25 001-14195
23956233
424B2  Documents Prospectus [Rule 424(b)(2)]
Acc-no: 0001193125-23-151816 (33 Act)  Size: 906 KB
2023-05-23 333-265348
23949084
CERT  Documents Certification by an exchange approving securities for listing
Acc-no: 0000876661-23-000425 (34 Act)  Size: 527 KB
2023-05-23 001-14195
23946662
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001053507-23-000124 (34 Act)  Size: 371 KB
2023-05-22 001-14195
23945241
FWP  Documents Filing under Securities Act Rules 163/433 of free writing prospectuses
Acc-no: 0001193125-23-150535 (34 Act)  Size: 20 KB
2023-05-22 333-265348
23945066
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-23-149985 (33 Act)  Size: 889 KB
2023-05-22 333-265348
23942549
8-A12B  Documents Registration of securities [Section 12(b)]
Acc-no: 0001053507-23-000122 (34 Act)  Size: 22 KB
2023-05-16 001-14195
23928084
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001193125-23-146124 (34 Act)  Size: 697 KB
2023-05-16 001-14195
23927804
424B2  Documents Prospectus [Rule 424(b)(2)]
Acc-no: 0001193125-23-140741 (33 Act)  Size: 923 KB
2023-05-10 333-265348
23906589
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001053507-23-000120 (34 Act)  Size: 349 KB
2023-05-09 001-14195
23902765
FWP  Documents Filing under Securities Act Rules 163/433 of free writing prospectuses
Acc-no: 0001193125-23-139423 (34 Act)  Size: 28 KB
2023-05-09 333-265348
23902223
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-23-138825 (33 Act)  Size: 907 KB
2023-05-09 333-265348
23899774