Matthew Morris Partridge - 26 Feb 2026 Form 4 Insider Report for Seaport Entertainment Group Inc. (SEG)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: SEG
Reported as of: 26 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Mar 2026, 16:30:28 UTC
Prior SEC filing: 19 Sep 2025
Next SEC filing: 09 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Lucy Fato, Attorney-in-Fact

Key filing fact

Matthew Morris Partridge filed Form 4 for Seaport Entertainment Group Inc. (SEG) on 02 Mar 2026.

Key facts

This page summarizes Matthew Morris Partridge's Form 4 filing for Seaport Entertainment Group Inc. (SEG).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Mar 2026, 16:30.

Change

Previous filing in this sequence was filed on 19 Sep 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001663789 Primary reporting owner

PARTRIDGE MATTHEW MORRIS

Relationship: Chief Executive Officer, Director
Address: 199 WATER STREET, 28TH FLOOR, NEW YORK
Signature: /s/ Lucy Fato, Attorney-in-Fact
Signature date: 02 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SEG transaction

Common Stock

Award

Transaction value: $0
Shares: +27,625
Change %: +29%
Price: $0.000000
Shares after: 123,259
Date: 26 Feb 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SEG transaction Derivative

Non-Qualified Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +55,148
Change %
Price: $0.000000
Shares after: 55,148
Date: 26 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 55,148
Exercise price: $21.72
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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. The 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.

Footnote F2

The options vest in four substantially equal annual installments beginning on February 26, 2027, subject to the Reporting Person's continued service with the Issuer or its subsidiaries through such date.