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Late filing9d ago · Oct 22, 2026, 23:47 CEST

American Tower Corp /ma/ purchase reached the SEC 1273 days after the trade

Insider
Teresa Hillary Clarke
Company
American Tower Corp /ma/ (AMT)
Transaction
Buy
Shares
338
Amount
$64K
Trade date
Apr 28, 2023
Filed
Oct 22, 2026, 1,273 days after the trade

Teresa Hillary Clarke bought 338 shares of American Tower Corp /ma/ on April 28, 2023, for $64K. The Form 4 reached the SEC on October 22, 2026, 1273 days after the trade.

Under SEC rules a Form 4 is due within two business days of the trade, which made this filing due on May 2, 2023. It came in 1,269 days after that deadline.

The filing does not mark the trade as made under a Rule 10b5-1 trading plan. It is the only late filing by this filer since 2025.

AMT +1.0% on the day, close Oct 30

After trade1273 daysApr 28 → Oct 22, 2026
Past deadline1269 daysDue May 2, 2023
Purchase$64K338 shares
Late filings1By this filer since 2025

From trade to filing

Calendar days
Deadline
Apr 28 · tradedMay 2 · dueOct 22 · filed

The filing

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