Dowling Ruth T 4

What Happened Ruth T. Dowling, EVP, Chief Administrative Officer, General Counsel & Secretary of American Tower (AMT), reported the sale of 682 shares on 2026-03-04 at $188.51 per share, for total gross proceeds of $128,564. The transaction is reported as a sale (code S) and was effected pursuant to a pre-established trading plan.

Key Details

• Transaction date: 2026-03-04; Price: $188.51; Shares sold: 682; Proceeds: $128,564
• Reported method: open-market/private-sale (reported as open-market sale)
• Footnote: Sale executed under a Rule 10b5-1 trading plan adopted by Ms. Dowling on October 29, 2025
• Filed with the SEC on 2026-03-06 (appears timely; Form 4 is generally due within two business days)
• Shares owned after the transaction: not specified in the filing

Context Sales made under 10b5-1 trading plans are pre-arranged and typically routine, so they do not necessarily signal a change in the insider’s view of the company. For retail investors, purchases are generally more informative about insider confidence; disclosed sales like this should be viewed as part of routine compensation or liquidity management unless accompanied by other material information.