According to recent filings covering the 90 days ending January 29, 2026, the three most significant insider holders at Seaport Entertainment are Director Square Capital Management, L.P. Pershing (5.02Mn shares), Chief Executive Officer Anton D. Nikodemus (200.81K shares), Chief Executive Officer Matthew Morris Partridge (95.63K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Square Capital Management, L.P. Pershing | 5,023,780 | 22 Oct, 2024 | |
| Anton D. Nikodemus | Chief Executive Officer | 200,814 | 16 Sep, 2024 |
| Matthew Morris Partridge | Chief Executive Officer | 95,634 | 19 Sep, 2025 |
| Lenah Elaiwat | Chief Financial Officer | 22,602 | 03 Dec, 2025 |
| Luciana Fato | General Counsel | 11,813 | 04 Aug, 2025 |
| Michael Anthony Crawford | 6,043 | 17 Dec, 2025 | |
| Monica S Digilio | 6,043 | 17 Dec, 2025 | |
| David Z. Hirsh | 6,043 | 17 Dec, 2025 | |
| Anthony F Massaro | 33 | 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Dec, 2025 | Monica S Digilio | 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 |
| 15 Dec, 2025 | David Z. Hirsh | 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 |
| 18 Sep, 2025 | Matthew Morris Partridge | Common Stock | A | 13,555 | $0.00 | 95,634 | D | A |
| 16 Sep, 2025 | Monica S Digilio | Common Stock | A | 998 | $0.00 | 4,897 | D | A |
| 16 Sep, 2025 | Michael Anthony Crawford | Common Stock | A | 998 | $0.00 | 4,897 | D | A |
| 16 Sep, 2025 | David Z. Hirsh | Common Stock | A | 998 | $0.00 | 4,897 | D | A |
| 01 Aug, 2025 | Luciana Fato | - | - | 11,813 | D | |||
| 01 Aug, 2025 | Luciana Fato | Common Stock | D | 1,073 | $22.48 | 11,813 | D | F |
| 01 Aug, 2025 | Matthew Morris Partridge | Common Stock | D | 5,429 | $22.48 | 82,079 | D | F |
| 01 Aug, 2025 | Lenah Elaiwat | Common Stock | D | 1,152 | $22.48 | 13,337 | D | F |
| 16 Jun, 2025 | Monica S Digilio | Common Stock | A | 1,279 | $0.00 | 3,899 | D | A |
| 16 Jun, 2025 | Michael Anthony Crawford | Common Stock | A | 1,279 | $0.00 | 3,899 | D | A |
| 16 Jun, 2025 | David Z. Hirsh | Common Stock | A | 1,279 | $0.00 | 3,899 | D | A |
| 17 Mar, 2025 | Monica S Digilio | Common Stock | A | 1,210 | $0.00 | 2,620 | D | A |
| 17 Mar, 2025 | Michael Anthony Crawford | Common Stock | A | 1,210 | $0.00 | 2,620 | D | A |
| 17 Mar, 2025 | David Z. Hirsh | Common Stock | A | 1,210 | $0.00 | 2,620 | D | A |
| 07 Mar, 2025 | Luciana Fato | Common Stock | A | 4,824 | $0.00 | 12,886 | D | A |
| 07 Mar, 2025 | Luciana Fato | - | - | 12,886 | D |