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$SEG All transactions

Seaport Entertainment Group Inc.

J

$ Value

$2.0M

Shares

90,875

Price

$22

Filed

Apr 23

Insider

Name

Pershing Square Capital Management, L.P.

Title

CIK

0001336528

Roles

Director 10% Owner

Transaction Details

Transaction Date

2026-04-21

Code

J

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

90,875

Footnotes

Reflects a transfer of the Subject Securities (as defined below) from PSLP (as defined below) to PS Redemption, L.P. ("RedemptionCo"), which was formed for the purpose of giving effect to the special redemption of certain limited partner interests of PSLP in connection with a special redemption opportunity that was consummated on April 21, 2026. | The closing price of the Issuer's Common Stock on April 21, 2026. | In addition to Pershing Square Capital Management, L.P., a Delaware limited partnership ("PSCM"), this Form 4 is being filed jointly by Pershing Square Holdco, L.P., a Delaware limited partnership ("PS Holdco"), Pershing Square Holdco GP, LLC, a Delaware limited liability company ("PS Holdco GP"), Pershing Square Management, LLC, a Delaware limited liability company ("ManagementCo"), and William A. Ackman, a citizen of the United States of America (collectively, the "Reporting Persons"), each of whom has the same business address as PSCM and may be deemed to beneficially own the securities reported on this Form 4 (the "Subject Securities"). | PSCM advises the accounts of Pershing Square, L.P., a Delaware limited partnership ("PSLP"), Pershing Square International, Ltd., a Cayman Islands exempted company ("PSI"), and Pershing Square Holdings, Ltd., a limited liability company incorporated in Guernsey ("PSH" and together with PSLP and PSI, the "Pershing Square Affiliated Funds") and RedemptionCo. | (A) PSCM, as the investment adviser to the Pershing Square Affiliated Funds and RedemptionCo, (B) PS Holdco, as the indirect 100% holding company of PSCM, (C) PS Holdco GP, as the sole general partner of PS Holdco and (D) ManagementCo, as the sole member of PS Holdco GP, may each be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934 (the "Exchange Act"). By virtue of Mr. Ackman's position as (i) the Chief Executive Officer of PSCM, (ii) a director of PS Holdco GP and (iii) a member of ManagementCo, Mr. Ackman may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Exchange Act. Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein. | Anthony F. Massaro, a member of the board of directors of the Issuer of the Subject Securities, was appointed to that board as a representative of PSCM, the other Reporting Persons and the Pershing Square Affiliated Funds. As a result, each of those persons are directors by deputization for purposes of Section 16 of the Exchange Act. | These Subject Securities are held by the Pershing Square Affiliated Funds. | These Subject Securities are held by RedemptionCo.

Filing Info

Accession No.

0001140361-26-016488

Form Type

4

Issuer CIK

0002009684

Pershing Square Capital Management, L.P.'s History

Date Ticker Type Value
2026-04-21 SEG J $2.0M
2026-04-21 SEG J $2.0M
2026-04-21 HHH J $22.5M
2026-04-21 HHH J $22.5M
2025-05-05 HHH A $900.0M
2025-05-05 HHH J

Other Insiders at SEG (90d)

Insider Bought Sold Last
Pershing Square Capital Management, L.P. 2026-04-21
Fato Luciana
General Counsel
2026-03-06
PARTRIDGE MATTHEW MORRIS
Chief Executive Officer
2026-04-01
Digilio Monica S 2026-03-16
Crawford Michael Anthony 2026-03-16
Hirsh David Z. 2026-03-16
Elaiwat Lenah
Chief Financial Officer
2026-02-27
Sachs Rebecca E.
Chief People Officer
2026-03-06