2025-11-14T12:34:59-06:00 2024-12-31 520807134 GROSSBERG COMPANY LLP 6500 ROCK SPRING DRIVE SUITE 200 BETHESDA MD 20817 990PF 2024-01-01 521879047 HAROLD AND NANCY ZIRKIN FOUNDATION HARO 3019619000 5630 WISCONSIN AVENUE 1703 CHEVY CHASE MD 20815 HAROLD ZIRKIN DIRECTOR 3019619000 2025-11-04 1 1 CAITLIN M METZ P01386181 3015711900 2025-11-04 2024 2025-03-06 01:10:19Z X 4212021 X 425665 200 200 105847 89030 -48785 1848646 461795 482927 551025 0 0 0 5200 2600 2600 5524 0 0 10724 2600 2600 111880 111880 122604 2600 114480 360323 548425 12781 2492568 2878231 3482634 299515 301057 729387 2804864 3179288 4212021 0 14101 0 14101 X 0 0 0 0 2804864 3165187 2804864 3165187 2804864 3179288 2804864 360323 0 3165187 0 3165187 WALT DISNEY 1,500 SHS 2023-07-31 2024-01-31 145858 133350 12508 12508 CME GROUP 1,000 SHS 2011-12-19 2024-01-31 206877 48353 158524 158524 SOLVENTUM CORP COM 100 SHS 2024-01-31 2024-07-12 7423 8895 -1472 -1472 SOLVENTUM CORP COM 150 SHS 2022-06-02 2024-07-12 4949 9168 -4219 -4219 3M COMPANY 400 SHS 2022-06-02 2024-07-12 62314 48417 13897 13897 3M COMPANY 600 SHS 2024-01-31 2024-07-12 41543 49905 -8362 -8362 EAGLE BANCORP 5,000 SHS 2023-05-31 2024-07-12 102546 99461 3085 3085 APOLLO INVESTMENT CORP 1,666 SHS 2013-04-30 2024-09-05 23148 41361 -18213 -18213 STATE STREET CORP 1,500 SHS 2023-05-31 2024-09-05 127931 102555 25376 25376 KINDER MORGAN 7,500 SHS 2017-08-09 2024-09-05 160907 170008 -9101 -9101 STONE CASTLE FINANCIAL COR 2,000 SHS 2014-11-04 2024-10-18 40999 45555 -4556 -4556 RXO ORD WI 2,000 SHS 2016-01-21 2024-11-12 56099 28951 27148 27148 GXO LOGISTICS 1,000 SHS 2016-01-21 2024-11-12 59899 8356 51543 51543 XPO LOGISTICS 2,000 SHS 2016-01-21 2024-11-12 306596 47049 259547 259547 ALLY FINANCIAL INC 3,000 SHS 2023-07-31 2024-12-12 113298 90867 22431 22431 APPLE INC 250 SHS 2006-03-09 2024-12-12 62001 588 61413 61413 INTRUSION INC 7,500 SHS 2021-03-30 2024-12-30 41510 354893 -313383 -313383 INTRUSION INC 51,449 SHS 2024-08-28 2024-12-30 284748 99119 185629 185629 461795 7623 0 7623 0 7623 6400 0 9500 0 15900 0 8277 8277 0 0 0 0 0 0 0 0 0 0 0 1 1 MD 1 0 0 0 0 1 N/A HAROLD ZIRKIN 3019619000 5630 WISCONSIN AVENUE 1703 CHEVY CHASE MD 20815 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 HAROLD ZIRKIN 5630 WISCONSIN AVENUE 1703 CHEVY CHASE MD 20815 PRESIDENT 1.00 0 0 0 NANCY ZIRKIN 5630 WISCONSIN AVENUE 1703 CHEVY CHASE MD 20815 VP 0.00 0 0 0 ANDREW LAZEROW C/O 5630 WISCONSIN AVENUE 1703 CHEVY CHASE MD 20815 SECRETARY 0.00 0 0 0 LESLIE ZIRKIN C/O 5630 WISCONSIN AVENUE 1703 CHEVY CHASE MD 20815 TREASURER 0.00 0 0 0 NONE 0 NONE 0 0 3415754 39838 0 3455592 0 0 3455592 51834 3403758 170188 170188 7623 7623 162565 0 162565 0 162565 114480 0 114480 162565 0 0 46070 7297 46865 100232 114480 0 0 0 114480 0 48085 48085 52147 0 0 0 0 0 0 0 52147 5282 46865 HAROLD ZIRKIN NANCY ZIRKIN MR HAROLD ZIRKIN 5630 WISCONSIN AVENUE 1703 CHEVY CHASE MD 20815 3019619000 LETTER EXPLAINING PURPOSE OR GRANT NO DEADLINES NO RESTRICTIONS OR LIMITATIONS ON AWARDS BRAVO VAIL 2271 NORTH FRONTAGE ROAD W - SUITE C VAIL CO 81657 NONE CHARITABLE GENERAL 45000 CAPITAL JEWISH MUSEUM 575 3RD ST NW WASHINGTON DC 20001 NONE CHARITABLE GENERAL 5000 WASHINGTON HEBREW CONGREGATION 3935 MACOMB STREET NW WASHINGTON DC 20016 NONE CHARITABLE GENERAL 5380 SHARE OUR STRENGTH 1030 15TH STREET NW 1100W WASHINGTON DC 20005 NONE CHARITABLE GENERAL 10000 SIBLEY MEMORIAL HOSPITAL FOUNDATION 5255 LOUGHBORO ROAD NW WASHINGTON DC 20016 NONE CHARITABLE GENERAL 30000 MEDSTAR 10980 GRANTCHESTER WAY 7TH FLOOR COLUMBIA MD 21044 NONE CHARITABLE GENERAL 16500 111880 0 14 200 14 105847 18 -48785 0 57262 0 57262 0 0 0 0 0 0 0 0 0 0 X X 1 HAROLD ZIRKIN 5630 WISCONSIN AVE CHEVY CHASE MD 20815 425665 X 1 1,000 SHARES OF GXO LOGISTICS2,000 SHARES OF RXO LOGISTICS2,000 SHARES OF XPO LOGISTICS 425665 2024-11-06 ACCOUNTING FEES 5200 2600 2600 CORPORATE STOCK 2878231 3482634 INVESTMENT IN 888 SOUTHWEST II LLC 299515 301057 729387 OVERDRAFT PAYABLE 0 14101 FEDERAL INCOME TAXES 5524 0 0