Rebecca E. Sachs - 26 Feb 2026 Form 4 Insider Report for Seaport Entertainment Group Inc. (SEG)

Role: Chief People Officer
Signature: /s/ Lucy Fato, Attorney-in-Fact
Issuer symbol: SEG
Transactions as of: 26 Feb 2026
Net transactions value: -$23,056
Form type: 4
Filing time: 02 Mar 2026, 16:30:22 UTC
Previous filing: 18 Aug 2025
Next filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Sachs Rebecca E.	Chief People Officer	199 WATER STREET, 28TH FLOOR, NEW YORK	/s/ Lucy Fato, Attorney-in-Fact	02 Mar 2026	0002081265

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SEG	Common Stock	Award	$0	+7,858	+46%	$0.000000	25,071	26 Feb 2026	Direct	F1
transaction	SEG	Common Stock	Tax liability	$23,056	-987	-3.9%	$23.36	24,084	27 Feb 2026	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 pursuant to Seaport Entertainment Group Inc.'s (the "Issuer") 2024 Equity Incentive Plan (the "Plan"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. 1,009 RSUs vest on February 27, 2027 and 6,849 RSUs vest in three substantially equal annual installments beginning on February 27, 2027, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date.
F2	On February 27, 2026, the Issuer withheld 987 shares of common stock of the Issuer from the Reporting Person for payment of the tax liability incident to the vesting of shares of common stock granted by the Issuer pursuant to the terms of the Plan.

Content

Represents restricted stock units ("RSUs") granted to the Reporting Person pursuant to Seaport Entertainment Group Inc.'s (the "Issuer") 2024 Equity Incentive Plan (the "Plan"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. 1,009 RSUs vest on February 27, 2027 and 6,849 RSUs vest in three substantially equal annual installments beginning on February 27, 2027, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date.

On February 27, 2026, the Issuer withheld 987 shares of common stock of the Issuer from the Reporting Person for payment of the tax liability incident to the vesting of shares of common stock granted by the Issuer pursuant to the terms of the Plan.