ARE counsel shares withheld for tax on vesting

ALEXANDRIA REAL ESTATE EQUITIES, INC. reported a routine insider tax-withholding transaction by its General Counsel & Secretary, Jackie B. Clem.

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

Rhea-AI Filing Summary

ALEXANDRIA REAL ESTATE EQUITIES, INC. reported a routine insider tax-withholding transaction by its General Counsel & Secretary, Jackie B. Clem. On March 13, 2026, Clem had 1,103 shares of common stock withheld by the company at $48.41 per share to satisfy taxes due upon the vesting of restricted stock.

These withheld shares were not an open-market sale but a payment of tax obligations using stock. After this transaction, Clem directly held 51,501 shares of common stock, indicating she retained a substantial equity stake following the vesting event.

Insider Trade Summary

Exercise Price or Tax Liability: 1,103 shares

Exercise Price or Tax Liability 1 txn

Insider Clem Jackie B.

Role General Counsel & Secretary

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	1,103	$48.41	$53K

Holdings After Transaction: Common Stock — 51,501 shares (Direct)

Holdings Before and After: Common Stock, 52,604 to 51,501 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Alexandria Real Estate (ARE) report for Jackie B. Clem?

Alexandria Real Estate (ARE) reported that General Counsel & Secretary Jackie B. Clem had 1,103 common shares withheld. The shares were used to cover tax obligations triggered by the vesting of restricted stock, rather than being sold in the open market.

Was the ARE insider transaction a stock sale by Jackie B. Clem?

No. The ARE transaction was a tax-withholding disposition, not an open-market sale. The issuer withheld 1,103 shares to pay Clem’s tax obligation when her restricted stock vested, a common administrative mechanism for equity compensation.

At what price were Jackie B. Clem’s ARE shares withheld for taxes?

The withheld ARE shares were valued at $48.41 per share. This price was used to calculate the number of shares—1,103 in total—required to satisfy the tax liability arising from the vesting of Clem’s restricted stock award.

How many Alexandria Real Estate (ARE) shares does Jackie B. Clem hold after the filing?

After the tax-withholding transaction, Jackie B. Clem directly held 51,501 ARE common shares. This figure reflects her remaining ownership following the issuer’s withholding of 1,103 shares to cover taxes from the vesting of restricted stock.

What does transaction code “F” mean in the ARE Form 4 for Jackie B. Clem?

In this ARE Form 4, code “F” indicates shares were disposed of to pay an exercise price or tax liability. Here, 1,103 shares of common stock were withheld by the issuer solely to satisfy Clem’s tax obligation upon restricted stock vesting.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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^*

Clem Jackie B.

(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)
	General Counsel & Secretary

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		1,103(1)	D	$48.41	51,501	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.