2026-02-06T06:43:20-08:00 2025-12-31 113181634 Frederic Z Konigsberg PC 9834 Pecorino Isle Boynton Beach FL 33473 990PF 2025-01-01 933983858 SUSAN UGELOW KONIGSBERG FAMILY FOUNDATION INC SUSA 5165829927 9834 PECORINO ISLE BOYNTON BEACH FL 33473 FREDERIC Z KONIGSBERG PRESIDENT 5165829927 2025-02-05 true Fredric Konigsberg XXX-XX-XXXX 5165829927 2025 2025-03-06 01:10:19Z X 1170872 X 713387 35868 35868 35868 7459 47729 7459 0 0 0 756714 43327 35868 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 5 5 0 0 0 5 5 5 5 28150 28150 28155 5 5 28155 728559 43322 35863 15913 9649 9649 179 2162 2162 0 0 210593 193796 263662 102788 479863 566504 0 69403 268915 328895 0 0 0 0 398876 954385 1170872 0 0 0 0 0 0 0 0 0 0 0 0 0 0 X 398876 954385 0 0 398876 954385 398876 954385 398876 728559 478 1127913 173528 954385 25 Qwest Capital Funding Bonds P 2024-01-02 2025-03-31 18488 0 8412 10076 0 0 0 10076 10 Qwest Capital Funding Bonds P 2024-01-16 2025-03-31 7390 0 3297 4093 0 0 0 4093 3200 shrs Cherry Hill Mtg Invt P 2025-03-31 2025-09-16 8672 0 9705 -1033 0 0 0 -1033 1600 shrs Greystone Housing D 2025-10-27 2025-11-10 11520 0 17109 -5589 0 0 0 -5589 100 Energy Transfer, LP P 2025-09-12 2025-11-20 1659 0 1747 -88 0 0 0 -88 7459 -6710 602 0 602 0 602 1340 1340 -1340 X 5 733 733 false false false false false false false true true FL true false false false false true N/A Frederic Z Konigsberg 5165829927 9834 Pecorino Isle Boynton Beach FL 33473 false false false false false false false false false false false false false false false false false false false false false false Frederic Z Konigsberg 9834 Pecorino Isle Boynton Beach FL 33473 President 2.00 0 0 0 Eric M Konigsberg 350 Motts Cove Road S Roslyn NY 11576 Secretary 1.00 0 0 0 Brian A Konigsberg 599 N Wilton Road New Canaan CT 06840 V. Pres 1.00 0 0 0 NONE 0 NONE 0 None 0 None 0 0 0 595005 5000 0 600005 0 600005 9000 591005 29550 29550 602 602 28948 28948 28948 28155 0 28155 28948 0 0 0 0 6129 6129 28155 0 28155 34284 0 0 0 28948 0 34284 0 0 0 6129 28155 100 of the contribution was made by which the managers are the sole mem disclosed elswhere in this return S None X Lustgarten Foundation 504 RXR Plaza Uniondale NY 11556 PF General Funding 1500 Gift of Life Marrow Registry 5901 Broken Cound Parkway MW Boca Raton FL 33487 PF General Funding 1000 St Jude Children's Research Hospital 262 Danny Thomas Place Memphis TN 38105 PF General Funding 2000 The American Cancer Society 270 Peachtree Street NW Atlanta GA 30303 PC General Funding 2000 Glen Oaks Club Philanthropic Fund J 175 Post Road Old Westbury NY 11568 The BabePhilentrhropic PF General Funding 1250 Temple Sinai 423 Roslyn Road Roslyn Heights NY 11577 PC In memory of Susan UKonigsberg 1850 Gurwin Jewish Healthcare Foundation 68 Hauppauge Road Commack NY 11725 PF General Funding 15000 The Symphonia 2285 Potomac Road Boca Raton FL 33431 PC General Funding 2000 Boca Raton Regional Hospital 800 Meadows Road Boca Raton FL 33486 POF C/OIn Memory of RitaKwiat 1000 FOP Lodge #50 - Sheriff's Office Palm Beach County Weat Pam Beach Florida FL 33407 PC General Funding 400 Allyn Udell Hello Dolly Foundation C/O Ira Udell Glenwood Landing NY 11577 PF General Funding 150 28150 0 None 000000 0 0 0 1 Not Applicable false false false false false false false false false false X X 1 Walnut Drive Investment Group LLC 9834 Pecorino Isle Boynton Beach FL 33473 356276 X X 2 Frederic Z Konigsberg 9834 Pecorino Isle Boynton Beach FL 33473 356000 X 1 5860 shrs Antero Midstream (AM) 109278 2025-12-08 1 433 shrs Oneok, Inc (OKE) 32467 2025-12-03 1 4360 shrs Energy Transfer Preferred I (ETPR1) 49530 2025-12-09 1 1050 Enterprise Products (EPD) 33726 2025-12-23 1 2500 shrs Sunoco LP 131275 2025-03-23 None 0 (See Attached) 479863 566504 193796 263662 Exchange Traded Funds (See attached) 12603 11769 Other Assets (See attached) 256312 317126 Unrealized gains on donated property 170728 Change in Appreciation/Depreciation 2800 Return of Capital 478