Seaport Entertainment Group Inc. (SEG) Insider Ownership

Historic Insider Ownership Trends

Seaport Entertainment's top three insider shareholders as of May 14, 2026 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
Anton D. Nikodemus Chief Executive Officer 200,814 0 16 Sep, 2024
Matthew Morris Partridge Chief Executive Officer 115,615 0 02 Apr, 2026
Square Capital Management, L.P. Pershing - 0 90,875 23 Apr, 2026
Lenah Elaiwat Chief Financial Officer 31,454 0 02 Mar, 2026
Rebecca E. Sachs Chief People Officer 23,400 0 09 Mar, 2026
Luciana Fato General Counsel 19,212 0 09 Mar, 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
Anthony F Massaro - 33 0 22 Oct, 2024

* 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 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 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 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 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
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
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
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
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 Michael Anthony Crawford 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 Monica S Digilio 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 Matthew Morris Partridge Common Stock D 2,726 $21.64 120,533 D F
06 Mar, 2026 Luciana Fato Common Stock D 728 $21.64 19,212 D F
26 Feb, 2026 Luciana Fato Common Stock A 8,127 $0.00 19,940 D A
26 Feb, 2026 Rebecca E. Sachs Common Stock A 7,858 $0.00 25,071 D A
26 Feb, 2026 Lenah Elaiwat Common Stock A 9,766 $0.00 32,368 D A