ALEXANDRIA REAL ESTATE EQUITIES, INC.·4

Mar 17, 4:56 PM ET

Alsbrook Madeleine Thorp 4

4 · ALEXANDRIA REAL ESTATE EQUITIES, INC. · Filed Mar 17, 2026

Research Summary

AI-generated summary of this filing

Updated

ALEXANDRIA (ARE) EVP Madeleine Alsbrook Withholds 1,087 Shares

What Happened

  • Madeleine Thorp Alsbrook, EVP — Talent Management at Alexandria Real Estate Equities (ARE), had 1,087 shares withheld on 2026-03-13 to satisfy a tax obligation arising upon the vesting of restricted stock. The withholding was at $48.41 per share, totaling approximately $52,622. The filing lists these shares as disposed (withheld).

Key Details

  • Transaction date: 2026-03-13; filing date: 2026-03-17.
  • Amount: 1,087 shares withheld at $48.41 per share = $52,622 (rounded).
  • Transaction code: F (shares withheld to satisfy tax withholding on vested restricted stock).
  • Footnote: F1 — issuer withheld shares to meet the reporting person’s tax obligation upon RSU vesting.
  • Shares owned after the transaction: not specified in the provided filing.
  • Filing timeliness: form shows report date and filing date; the filing does not indicate a timeliness flag.

Context

  • This was a tax-withholding/cashless settlement of vested restricted stock, a routine administrative disposition rather than an open-market sale or purchase. Such withholdings are common and do not, by themselves, signal insider sentiment about the stock.

Insider Transaction Report

Form 4
Period: 2026-03-13
Alsbrook Madeleine Thorp
EVP - Talent Management
Transactions
  • Tax Payment

    Common Stock

    [F1]
    2026-03-13$48.41/sh1,087$52,62222,624 total
Footnotes (1)
  • [F1]Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock.
Signature
/s/ Bill Boyle, Attorney-in-Fact|2026-03-13

Documents

1 file
  • 4
    wk-form4_1773781013.xmlPrimary

    FORM 4