Blackstone Mortgage director granted share units

Blackstone Mortgage Trust director Lynne B. Sagalyn received a stock-based dividend award rather than cash.

Rhea-AI Filing Summary

Blackstone Mortgage Trust director Lynne B. Sagalyn received a stock-based dividend award rather than cash. She acquired 3,275 Class A Common Stock units at an implied value of $20.12 per share, bringing her direct holdings to 156,103 shares.

The units reflect dividends on existing Class A Common Stock units, calculated using the company’s $0.47 per share dividend paid on April 15, 2026 and the closing share price that day. This is a routine, compensation-related acquisition rather than an open-market purchase.

Insider Trade Summary

Grant/Award: 3,275 shares

Grant/Award 1 txn

Insider SAGALYN LYNNE B

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	3,275	$20.12	$66K

Holdings After Transaction: Class A Common Stock — 156,103 shares (Direct)

Footnotes (1)

1. F1. Represents Class A Common Stock Units in lieu of dividends payable on Class A Common Stock Units owned by the Reporting Person, which convert to shares of Class A Common Stock on a one-for-one basis. The number of Class A Common Stock Units was calculated by dividing (1) the product of the number of Class A Common Stock Units owned by the Reporting Person and the $0.47 per share dollar amount of the Class A Common Stock dividend paid by the Company on April 15, 2026 by (2) the closing price of the Company's Class A Common Stock on April 15, 2026.

Key Figures

Stock units granted: 3,275 units Implied grant price: $20.12 per share Holdings after transaction: 156,103 shares +1 more

4 metrics

Stock units granted 3,275 units Class A Common Stock units granted on April 15, 2026

Implied grant price $20.12 per share Implied value per Class A share for the units granted

Holdings after transaction 156,103 shares Director’s direct Class A Common Stock holdings post-grant

Dividend per share $0.47 per share Class A Common Stock dividend paid on April 15, 2026

Key Terms

Class A Common Stock Units, in lieu of dividends, one-for-one basis, closing price

4 terms

Class A Common Stock Units financial

"Represents Class A Common Stock Units in lieu of dividends payable"

in lieu of dividends financial

"Class A Common Stock Units in lieu of dividends payable on Class A Common Stock Units"

one-for-one basis financial

"which convert to shares of Class A Common Stock on a one-for-one basis"

closing price financial

"dividing ... by the closing price of the Company's Class A Common Stock on April 15, 2026"

FAQ

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

What did BXMT director Lynne B. Sagalyn report in this Form 4?

Director Lynne B. Sagalyn reported receiving 3,275 Class A Common Stock units as a stock-based dividend. These units are granted in lieu of cash dividends and increase her direct holdings to 156,103 shares of Blackstone Mortgage Trust Class A Common Stock.

Was the BXMT insider transaction a market purchase or a grant?

The transaction was a grant of stock units, not a market purchase. Sagalyn received 3,275 Class A Common Stock units as a dividend-equivalent award, calculated from BXMT’s $0.47 per share dividend and the April 15, 2026 closing stock price.

How many BXMT shares does Lynne B. Sagalyn hold after this transaction?

After receiving the dividend-equivalent grant, Lynne B. Sagalyn directly holds 156,103 shares of Blackstone Mortgage Trust Class A Common Stock. This figure reflects her updated position following the 3,275-unit award recorded in the Form 4 filing.

How was the 3,275-unit BXMT stock award to Sagalyn calculated?

The 3,275 Class A Common Stock units were calculated by multiplying her existing units by the $0.47 per share dividend, then dividing by the April 15, 2026 closing stock price. This converts the cash dividend into additional stock units on a one-for-one share basis.

Does this BXMT Form 4 indicate any stock sales by the director?

No stock sales are reported in this Form 4. The filing shows only an acquisition of 3,275 Class A Common Stock units as a grant related to dividends, increasing Lynne B. Sagalyn’s direct BXMT share ownership without any disposition transactions.

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

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Accepted by SEC EDGAR 04/16/2026 - 05:59 PM Learn about SEC filing dates

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^*

SAGALYN LYNNE B

(Last) (First) (Middle)

C/O BLACKSTONE MORTGAGE TRUST

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BLACKSTONE MORTGAGE TRUST, INC. [ BXMT ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/15/2026

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
Class A Common Stock	04/15/2026		A		3,275(1)	A	$20.12	156,103	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 Class A Common Stock Units in lieu of dividends payable on Class A Common Stock Units owned by the Reporting Person, which convert to shares of Class A Common Stock on a one-for-one basis. The number of Class A Common Stock Units was calculated by dividing (1) the product of the number of Class A Common Stock Units owned by the Reporting Person and the $0.47 per share dollar amount of the Class A Common Stock dividend paid by the Company on April 15, 2026 by (2) the closing price of the Company's Class A Common Stock on April 15, 2026.

Remarks:

	/s/ Marcin Urbaszek, Attorney-In-Fact	04/16/2026
	** 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)