Alexandria Real Estate (ARE) exec has 797 shares withheld for tax on vesting

Rhea-AI Filing Summary

Alexandria Real Estate Equities, Inc. executive Michael E. Boss, Co-Regional Market Director, reported a routine tax-related share disposition. On March 13, 2026, 797 shares of common stock were withheld by the company at $48.41 per share to cover a tax obligation from vesting restricted stock.

After this withholding, Boss directly holds 31,264 shares of Alexandria Real Estate common stock. This was not an open-market sale but an automatic share withholding to satisfy taxes due when restricted stock vested.

Insider Trade Summary

Net Seller: 797 shares

Net Sell 1 txn

Insider Boss Michael E.

Role Co-Regional Market Director

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	797	$48.41	$39K

Holdings After Transaction: Common Stock — 31,264 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/17/2026 - 04:56 PM Learn about SEC filing dates

FAQ

What insider transaction did ARE executive Michael E. Boss report?

Michael E. Boss reported a tax-related share disposition. The company withheld 797 shares of Alexandria Real Estate common stock to satisfy taxes from vesting restricted stock, rather than selling shares in the open market.

How many ARE shares were withheld for Michael E. Boss’s taxes?

A total of 797 common shares of Alexandria Real Estate were withheld. The shares were valued at $48.41 each and used to satisfy a tax obligation triggered when Boss’s restricted stock vested.

Was Michael E. Boss’s ARE Form 4 transaction an open-market sale?

No, the Form 4 reports a tax-withholding disposition, not an open-market sale. Shares were automatically withheld by Alexandria Real Estate to cover taxes upon the vesting of restricted stock awarded to Boss.

How many ARE shares does Michael E. Boss hold after this transaction?

Following the tax withholding, Michael E. Boss directly holds 31,264 Alexandria Real Estate common shares. This reflects his remaining equity position after 797 shares were withheld to cover the tax obligation on vested restricted stock.

What price per share was used for the ARE tax withholding?

The tax withholding used a price of $48.41 per Alexandria Real Estate common share. This price determined the value of the 797 withheld shares applied toward Michael E. Boss’s tax obligation on vested restricted stock.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Boss Michael E.

(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)
	Co-Regional Market Director

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

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	03/13/2026		F		797(1)	D	$48.41	31,264	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/ Bill Boyle, Attorney-in-Fact	03/13/2026
	** 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.