Seaport Entertainment Group Inc. (SEG) withholds 684 shares for CPO tax obligations

Rhea-AI Filing Summary

Seaport Entertainment Group Inc. reported that Chief People Officer Rebecca E. Sachs had 684 shares of common stock withheld on March 6, 2026 to cover taxes owed on vesting equity awards under the 2024 Equity Incentive Plan. After this tax-withholding disposition, she directly owned 23,400 common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Sachs Rebecca E.

Role Chief People Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	684	$21.64	$15K

Holdings After Transaction: Common Stock — 23,400 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/09/2026 - 04:30 PM Learn about SEC filing dates

FAQ

What insider transaction did SEG's Rebecca Sachs report on this Form 4?

Rebecca E. Sachs reported a tax-withholding disposition of 684 shares of Seaport Entertainment Group Inc. common stock. The issuer withheld these shares to pay taxes due on recently vested equity granted under the company’s 2024 Equity Incentive Plan.

Was the SEG insider Form 4 transaction an open-market sale?

No, the Form 4 shows a tax-withholding disposition, not an open-market sale. Seaport Entertainment Group Inc. withheld 684 shares from Rebecca E. Sachs to cover tax liabilities tied to vesting stock awards, according to the footnote disclosure.

At what price were the 684 SEG shares valued for the tax withholding?

The withheld 684 shares of Seaport Entertainment Group Inc. common stock were valued at $21.64 per share. This price is used solely to report the value of shares applied toward Sachs’ tax obligations arising from the vesting of equity awards.

How many SEG shares does Rebecca Sachs own after this Form 4 transaction?

Following the tax-withholding disposition, Chief People Officer Rebecca E. Sachs directly owns 23,400 shares of Seaport Entertainment Group Inc. common stock. This figure reflects her holdings after the issuer withheld 684 shares for tax purposes on March 6, 2026.

What plan triggered the SEG share withholding for Rebecca Sachs?

The share withholding arose from the vesting of common stock granted under Seaport Entertainment Group Inc.’s 2024 Equity Incentive Plan. When those shares vested, the issuer withheld 684 shares from Rebecca E. Sachs to satisfy the associated tax liability.

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^*

Sachs Rebecca E.

(Last) (First) (Middle)

199 WATER STREET

28TH FLOOR

(Street)

NEW YORK NY 10038

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Seaport Entertainment Group Inc. [ SEG ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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

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

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

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	03/06/2026		F(1)		684	D	$21.64	23,400	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. On March 6, 2026, Seaport Entertainment Group Inc. (the "Issuer") withheld 684 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 Issuer's 2024 Equity Incentive Plan.

	/s/ Lucy Fato, Attorney-in-Fact	03/09/2026
	** 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.
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