Seaport Entertainment Group Inc. (SEG) Insider Ownership

Historic Insider Ownership Trends

As of June 02, 2026, the three largest insider holders of SEG are Square Capital Management, L.P. Pershing (Director, 5.02Mn shares), Anton D. Nikodemus (Chief Executive Officer, 200.81K shares), Matthew Morris Partridge (Chief Executive Officer, 115.61K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Square Capital Management, L.P. Pershing - 0 5,023,780 22 Oct, 2024
Luciana Fato General Counsel 19,212 0 09 Mar, 2026
Matthew Morris Partridge Chief Executive Officer 115,615 0 02 Apr, 2026
Monica S Digilio - 7,218 0 17 Mar, 2026
Michael Anthony Crawford - 7,218 0 17 Mar, 2026
David Z. Hirsh - 7,218 0 17 Mar, 2026
Anton D. Nikodemus Chief Executive Officer 200,814 0 16 Sep, 2024
Lenah Elaiwat Chief Financial Officer 31,454 0 02 Mar, 2026
Anthony F Massaro - 33 0 22 Oct, 2024
Rebecca E. Sachs Chief People Officer 23,400 0 09 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
21 Apr, 2026 Square Capital Management, L.P. Pershing Common Stock, par value $0.01 per share D 90,875 $22.25 4,932,905 I J
21 Apr, 2026 Square Capital Management, L.P. Pershing Common Stock, par value $0.01 per share A 90,875 $22.25 90,875 I J
01 Apr, 2026 Matthew Morris Partridge Common Stock D 4,918 $21.46 115,615 D F
16 Mar, 2026 Monica S Digilio Common Stock A 1,175 $0.00 7,218 D A
16 Mar, 2026 David Z. Hirsh Common Stock A 1,175 $0.00 7,218 D A
16 Mar, 2026 Michael Anthony Crawford Common Stock A 1,175 $0.00 7,218 D A
06 Mar, 2026 Rebecca E. Sachs Common Stock D 684 $21.64 23,400 D F
06 Mar, 2026 Luciana Fato Common Stock D 728 $21.64 19,212 D F
06 Mar, 2026 Matthew Morris Partridge Common Stock D 2,726 $21.64 120,533 D F
26 Feb, 2026 Rebecca E. Sachs Common Stock A 7,858 $0.00 25,071 D A
26 Feb, 2026 Luciana Fato Common Stock A 8,127 $0.00 19,940 D A
26 Feb, 2026 Matthew Morris Partridge Common Stock A 27,625 $0.00 123,259 D A
26 Feb, 2026 Lenah Elaiwat Common Stock A 9,766 $0.00 32,368 D A
27 Feb, 2026 Rebecca E. Sachs Common Stock D 987 $23.36 24,084 D F
26 Feb, 2026 Matthew Morris Partridge Non-Qualified Stock Option (Right to Buy) A 55,148 $0.00 55,148 D A
27 Feb, 2026 Lenah Elaiwat Common Stock D 914 $23.36 31,454 D F
15 Dec, 2025 Monica S Digilio Common Stock A 1,146 $0.00 6,043 D A
15 Dec, 2025 David Z. Hirsh Common Stock A 1,146 $0.00 6,043 D A
15 Dec, 2025 Michael Anthony Crawford Common Stock A 1,146 $0.00 6,043 D A
02 Dec, 2025 Lenah Elaiwat Common Stock A 9,265 $0.00 22,602 D A