Alsbrook Madeleine Thorp 4
4 · ALEXANDRIA REAL ESTATE EQUITIES, INC. · Filed Mar 17, 2026
Research Summary
AI-generated summary of this filing
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
Alsbrook Madeleine Thorp
EVP - Talent Management
Transactions
- Tax Payment
Common Stock
[F1]2026-03-13$48.41/sh−1,087$52,622→ 22,624 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