Alexandria Real Estate withholds 1,096 shares for tax

EVP–CTO Thomas Gregory Calvin had shares withheld for taxes on vested restricted stock and continues to hold a direct stake in ARE.

Available on EDGAR 09/17/2026 - 04:33 PM EDT Accepted by SEC EDGAR 09/17/2026 - 04:33 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

ALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE) officer Thomas Gregory Calvin, EVP – CTO, reported a tax-related share withholding transaction in common stock. On September 15, 2026, 1,096 shares were withheld by the issuer at $52.93 per share to satisfy a tax obligation upon vesting of restricted stock. After this transaction, Calvin directly holds 31,928 shares of ARE common stock. No transactions were made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Tax Withholding: 1,096 shares

Tax Withholding 1 txn

Insider Thomas Gregory Calvin

Role EVP - CTO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	1,096	$52.93	$58K

Holdings After Transaction: Common Stock — 31,928 shares (Direct)

Holdings Before and After: Common Stock, 33,024 to 31,928 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.

Key Figures

Shares withheld for taxes: 1,096 shares Reference price per share: $52.93 per share Shares held after transaction: 31,928 shares +1 more

4 metrics

Shares withheld for taxes 1,096 shares Common stock withheld on September 15, 2026 to satisfy tax obligation on vesting of restricted stock

Reference price per share $52.93 per share Price associated with the 1,096 withheld shares

Shares held after transaction 31,928 shares Directly owned ARE common stock following the September 15, 2026 transaction

Tax-withholding transaction shares 1,096 shares Exercise price or tax liability shares reported in transaction summary

Key Terms

restricted stock, Rule 10b5-1 trading plan, withheld by the issuer

3 terms

restricted stock financial

"upon the vesting of restricted stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Rule 10b5-1 trading plan regulatory

"No transactions were made under a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

withheld by the issuer financial

"Represents shares withheld by the issuer to satisfy a tax obligation"

FAQ

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

What transaction did ARE executive Thomas Gregory Calvin report on this Form 4?

Thomas Gregory Calvin reported that 1,096 ARE common shares were withheld by the issuer on September 15, 2026 to satisfy a tax obligation arising from the vesting of restricted stock, at a reference price of $52.93 per share.

How many ARE shares does Thomas Gregory Calvin hold after this transaction?

After the tax-withholding transaction, Thomas Gregory Calvin directly holds 31,928 shares of Alexandria Real Estate Equities, Inc. common stock, as reported in the filing.

Was the ARE Form 4 transaction by Thomas Gregory Calvin a market sale or a tax withholding?

The Form 4 reports a tax withholding transaction. 1,096 shares were withheld by Alexandria Real Estate Equities, Inc. to satisfy a tax obligation upon the vesting of restricted stock, rather than a discretionary market sale.

What price per share is associated with Thomas Gregory Calvin’s ARE tax-withholding transaction?

The filing associates a price of $52.93 per share with the 1,096 shares withheld to satisfy the tax obligation related to the vesting of restricted stock.

Was Thomas Gregory Calvin’s ARE Form 4 transaction made under a Rule 10b5-1 trading plan?

No. The document-level Rule 10b5-1 checkbox is not affirmed, indicating that the reported tax-withholding transaction was not made under a Rule 10b5-1 trading plan.

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^*

Thomas Gregory Calvin

(Last) (First) (Middle)

C/O ALEXANDRIA REAL ESTATE EQUITIES, INC

26 NORTH EUCLID AVENUE

(Street)

PASADENA CALIFORNIA 91101

(City) (State) (Zip)

UNITED STATES

(Country)

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 - CTO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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

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

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

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	09/15/2026		F		1,096(1)	D	$52.93	31,928	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	09/15/2026
	** 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.
* Form 4: SEC 1474 (03-26)