Dowling Ruth T 4
4 · AMERICAN TOWER CORP /MA/ · Filed Mar 12, 2026
Research Summary
AI-generated summary of this filing
American Tower (AMT) EVP Ruth Dowling Receives RSUs, Surrenders Shares
What Happened
Ruth T. Dowling, EVP, Chief Administrative Officer, General Counsel & Secretary of American Tower (AMT), had 6,878 restricted stock units (RSUs) vest on 2026-03-10 (recorded as an acquisition at $0.00 per share). To cover withholding taxes on the vesting, 6,629 shares were delivered to the issuer on 2026-03-10 at $186.12 per share (value $1,233,789) and an additional 863 shares were delivered on 2026-03-11 at $182.85 per share (value $157,800). The combined value of shares surrendered for taxes is approximately $1,391,589. These transactions reflect RSU vesting with share withholding for taxes (not an open-market sale).
Key Details
- Transaction dates/prices:
- 2026-03-10: 6,878 RSUs vested (acquisition reported at $0.00 per RSU) — Footnote F1.
- 2026-03-10: 6,629 shares delivered for tax withholding at $186.12 (disposed) — $1,233,789 — Footnote F2.
- 2026-03-11: 863 shares delivered for tax withholding at $182.85 (disposed) — $157,800 — Footnote F3.
- Total value of shares surrendered for taxes: ~ $1.39 million.
- Shares owned after the transactions: not specified in the provided filing summary.
- Notable footnotes:
- F1: RSUs granted under the 2007 Equity Incentive Plan; they vest 1/3 annually over three years and represent rights to one share each.
- F2/F3: Shares were delivered to the issuer to satisfy tax withholding upon vesting.
- Filing timing: Form filed 2026-03-12 for transactions on 2026-03-10/11; filing appears timely (within the typical 2-business-day Form 4 window).
Context
These were vesting RSUs with shares surrendered to the company to pay withholding taxes (a common, routine administrative action). This is not an open-market sale signaling a change in investment intent; rather, it’s a cashless share withholding used to satisfy tax obligations.
Insider Transaction Report
- Award
Common Stock
[F1]2026-03-10+6,878→ 37,925 total - Tax Payment
Common Stock
[F2]2026-03-10$186.12/sh−6,629$1,233,789→ 31,296 total - Tax Payment
Common Stock
[F3]2026-03-11$182.85/sh−863$157,800→ 30,433 total
Footnotes (3)
- [F1]These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and vest 1/3rd annually over three years, commencing one year from the date of grant. Each RSU represents a contingent right to receive one share of Common Stock.
- [F2]Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs and performance-based restricted stock units previously granted under the Plan.
- [F3]Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.