Matthew Morris Partridge - 18 Sep 2025 Form 4 Insider Report for Seaport Entertainment Group Inc. (SEG)

Role: Chief Executive Officer, Director
Signature: /s/ Lucy Fato, Attorney-in-Fact
Issuer symbol: SEG
Transactions as of: 18 Sep 2025
Net transactions value: $0
Form type: 4
Filing time: 19 Sep 2025, 16:45:05 UTC
Previous filing: 04 Aug 2025
Next filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
PARTRIDGE MATTHEW MORRIS	Chief Executive Officer, Director	199 WATER STREET, 28TH FLOOR, NEW YORK	/s/ Lucy Fato, Attorney-in-Fact	19 Sep 2025	0001663789

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SEG	Common Stock	Award	$0	+13,555	+17%	$0.000000	95,634	18 Sep 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SEG	Non-Qualified Stock Option (Right to Buy)	Award	$0	+22,189		$0.000000	22,189	18 Sep 2025	Common Stock	22,189	$25.23	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2024 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest in three substantially equal annual installments beginning on September 18, 2026, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date.
F2	The options vest in four substantially equal annual installments beginning on September 18, 2026, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date.

Content

Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2024 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest in three substantially equal annual installments beginning on September 18, 2026, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date.

The options vest in four substantially equal annual installments beginning on September 18, 2026, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date.