Blackstone Mortgage director awarded 3,939 stock units

BLACKSTONE MORTGAGE TRUST, INC. director Lynne B. Sagalyn reported an acquisition of 3,939 Class A Common Stock Units on July 15, 2026.

Rhea-AI Filing Summary

BLACKSTONE MORTGAGE TRUST, INC. director Lynne B. Sagalyn reported an acquisition of 3,939 Class A Common Stock Units on July 15, 2026. These units were credited in lieu of cash dividends on existing units, based on a $0.47 per-share dividend and a $17.12 closing price, and convert into Class A Common Stock on a one-for-one basis. Following this grant, Sagalyn directly holds 166,639 shares.

Insider Trade Summary

Grant/Award: 3,939 shares

Grant/Award 1 txn

Insider SAGALYN LYNNE B

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1	3,939	$17.12	$67K

Holdings After Transaction: Class A Common Stock — 166,639 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 July 15, 2026 by (2) the closing price of the Company's Class A Common Stock on July 15, 2026.

Key Figures

Shares acquired: 3,939 shares Reference price: $17.12 per share Shares held after: 166,639 shares +2 more

5 metrics

Shares acquired 3,939 shares Grant/award acquisition of Class A Common Stock Units on July 15, 2026

Reference price $17.12 per share Closing price used to calculate Class A Common Stock Units credited in lieu of dividend

Shares held after 166,639 shares Total direct holdings of Lynne B. Sagalyn following the transaction

Dividend per share $0.47 per share Class A Common Stock dividend paid on July 15, 2026 used in unit calculation

Conversion ratio 1 share per unit Class A Common Stock Units convert to Class A Common Stock on a one-for-one basis

Key Terms

Class A Common Stock Units, in lieu of dividends payable, closing price

3 terms

Class A Common Stock Units financial

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

in lieu of dividends payable financial

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

closing price financial

"by (2) the closing price of the Company's Class A Common Stock on July 15, 2026."

FAQ

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

What insider transaction did BXMT director Lynne B. Sagalyn report?

Lynne B. Sagalyn reported receiving 3,939 Class A Common Stock Units on July 15, 2026. These were granted in lieu of cash dividends on existing units and will convert into Class A Common Stock on a one-for-one basis.

How many BXMT shares does Lynne B. Sagalyn own after this Form 4 transaction?

After the reported grant, Lynne B. Sagalyn directly holds 166,639 shares of Blackstone Mortgage Trust Class A Common Stock. This figure reflects her total direct holdings immediately following the 3,939-unit dividend-equivalent award.

How were the 3,939 BXMT Class A Common Stock Units calculated?

The 3,939 Class A Common Stock Units were calculated by multiplying the holder’s existing units by the $0.47 per-share dividend, then dividing that amount by the $17.12 closing price of BXMT Class A Common Stock on July 15, 2026.

Does this BXMT Form 4 reflect an open-market stock purchase?

No. The Form 4 shows a grant/award acquisition of Class A Common Stock Units credited in lieu of dividends, coded as an "A" transaction. It does not reflect an open-market purchase or sale of BXMT shares by the director.

What dividend is associated with the BXMT units credited to Lynne B. Sagalyn?

The units are tied to a $0.47 per-share Class A Common Stock dividend paid on July 15, 2026. Instead of cash, Sagalyn received additional Class A Common Stock Units that will convert one-for-one into shares.

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

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Accepted by SEC EDGAR 07/16/2026 - 08:15 PM EDT 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)
07/15/2026

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	07/15/2026		A		3,939(1)	A	$17.12	166,639	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 July 15, 2026 by (2) the closing price of the Company's Class A Common Stock on July 15, 2026.

Remarks:

	/s/ Marcin Urbaszek, Attorney-In-Fact	07/16/2026
	** 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)