Seaport Entertainment Group (SEG) withholds 1,010 insider shares for taxes

Rhea-AI Filing Summary

Seaport Entertainment Group Inc. reported that Chief Administrative Officer Rebecca E. Sachs had 1,010 shares of common stock withheld on July 31, 2026 to satisfy tax liabilities arising from the vesting of equity awards under the 2024 Equity Incentive Plan. After this tax-withholding disposition, she directly holds 22,390 shares of common stock.

Insider Trade Summary

Net Seller: 1,010 shares

Net Sell 1 txn

Insider Sachs Rebecca E.

Role Chief Administrative Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	1,010	$26.23	$26K

Holdings After Transaction: Common Stock — 22,390 shares (Direct)

Footnotes (1)

1. F1. On July 31, 2026, Seaport Entertainment Group Inc. (the "Issuer") withheld 1,010 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.

Key Figures

Shares withheld for taxes: 1010.0000 shares Tax withholding price: $26.2300 per share Shares held after transaction: 22390.0000 shares

3 metrics

Shares withheld for taxes 1010.0000 shares Common stock withheld on 2026-07-31 to satisfy tax liability

Tax withholding price $26.2300 per share Per-share value used for tax-liability share withholding

Shares held after transaction 22390.0000 shares Direct common stock holdings of Rebecca E. Sachs after withholding

Key Terms

Equity Incentive Plan, tax liability, vesting

3 terms

Equity Incentive Plan financial

"granted by the Issuer pursuant to the terms of the Issuer's 2024 Equity Incentive Plan"

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

tax liability financial

"for payment of the tax liability incident to the vesting of shares of common stock"

vesting financial

"incident to the vesting of shares of common stock granted by the Issuer"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/03/2026 - 04:45 PM Accepted by SEC EDGAR 08/03/2026 - 04:45 PM Learn about SEC filing dates

FAQ

What insider transaction did Seaport Entertainment Group (SEG) report for July 31, 2026?

Seaport Entertainment Group reported that 1,010 shares of common stock were withheld from Chief Administrative Officer Rebecca E. Sachs on July 31, 2026 to cover tax liabilities from vested equity awards, leaving her with 22,390 shares held directly.

Who is Rebecca E. Sachs in relation to Seaport Entertainment Group (SEG)?

Rebecca E. Sachs is the Chief Administrative Officer of Seaport Entertainment Group Inc. She is a reporting person for SEG and holds 22,390 shares of the company’s common stock directly after the reported tax-withholding transaction.

How many Seaport Entertainment Group (SEG) shares does Rebecca E. Sachs hold after the transaction?

Following the tax-withholding disposition, Rebecca E. Sachs directly holds 22,390 shares of Seaport Entertainment Group common stock. These holdings reflect her position after 1,010 shares were withheld to satisfy tax obligations tied to vested equity awards.

Was the SEG insider transaction related to equity compensation?

Yes. The issuer withheld 1,010 shares of SEG common stock from Rebecca E. Sachs to pay tax liability arising from the vesting of shares granted under Seaport Entertainment Group’s 2024 Equity Incentive Plan, indicating the event is tied to equity compensation.

At what price were the withheld SEG shares valued for tax purposes?

The 1,010 withheld shares of Seaport Entertainment Group common stock were valued at $26.2300 per share for tax-withholding purposes on July 31, 2026, according to the reported transaction data for Rebecca E. Sachs.

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 NEW YORK 10038

(City) (State) (Zip)

UNITED STATES

(Country)

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 Administrative Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/31/2026

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
Common Stock	07/31/2026		F(1)		1,010	D	$26.23	22,390	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 July 31, 2026, Seaport Entertainment Group Inc. (the "Issuer") withheld 1,010 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/ Lenah Elaiwat, Attorney-in-Fact	08/03/2026
	** 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)