[Form 4] ALEXANDRIA REAL ESTATE EQUITIES, INC. Insider Trading Activity

Rhea-AI Filing Summary

Madeleine Thorp Alsbrook, Executive Vice President—Talent Management at Alexandria Real Estate Equities, Inc. (ARE), reported a transaction on 09/15/2025. The Form 4 shows 771 shares were disposed of at a price of $85.57 per share, leaving the reporting person with 29,498 shares beneficially owned. The filing states these shares were withheld by the issuer to satisfy a tax obligation arising upon the vesting of restricted stock, indicating the disposal was for tax withholding rather than an open-market sale. The form is signed by an attorney-in-fact on behalf of the reporting person.

Insights

Financial Analyst

TL;DR: Routine insider withholding of vested restricted shares; small disposition and not clearly material to holders.

The Form 4 documents a disposition of 771 shares at $85.57, leaving 29,498 shares held. The explicit explanation states the shares were withheld to satisfy tax obligations on vesting, which is a common administrative transaction and typically reflects compensation-related mechanics rather than an intentional investment decision. The transaction size appears modest relative to typical institutional holdings and there is no indication of additional trading or change in control.

Corporate Governance Expert

TL;DR: Disclosure aligns with Section 16 reporting norms; explanation clarifies the nature as tax withholding on vested awards.

The filing includes the required details: reporting person, relationship to issuer (EVP—Talent Management), transaction date, price, and post-transaction ownership. The provided explanation explicitly attributes the disposition to tax withholding upon restricted stock vesting, which supports compliance and transparency. Signature by an attorney-in-fact is noted, consistent with authorized filing practices.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Alsbrook Madeleine Thorp

(Last) (First) (Middle)

C/O ALEXANDRIA REAL ESTATE EQUITIES, INC

26 NORTH EUCLID AVENUE

(Street)

PASADENA CA 91101

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ALEXANDRIA REAL ESTATE EQUITIES, INC. [ ARE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP - Talent Management

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/15/2025		F		771(1)	D	$85.57	29,498	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock.

Remarks:

	/s/ Jennifer Consul, Attorney-in-Fact	09/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Madeleine Thorp Alsbrook report on Form 4 for ARE?

The filing reports a disposition of 771 shares at $85.57 per share on 09/15/2025.

Why were the 771 shares disposed of according to the Form 4?

The explanation states the shares were withheld by the issuer to satisfy a tax obligation realized upon the vesting of restricted stock.

How many Alexandria Real Estate Equities (ARE) shares does the reporting person own after the transaction?

29,498 shares beneficially owned following the reported transaction.

What is the reporting person’s role at ARE as listed on the Form 4?

Executive Vice President—Talent Management and an officer of the issuer.

Who signed the Form 4 filing and when?

Jennifer Consul, Attorney-in-Fact signed the form on 09/15/2025.