2026-04-15T09:24:01-07:00 2025-05-31 990PF 2024-06-01 271188399 The DEKA Foundation DEKA 6036695139 340 Commercial Street Manchester NH 03101 Brendan Duffy Asst. Secretary 2026-04-15 true 2024 2025-03-06 01:10:19Z X 19541153 X X 18531 18531 18531 256006 256006 256006 1536188 12723913 1536188 -67 1810658 1810725 274537 104939 104939 16910 4112 121849 109051 0 900000 900000 1021849 109051 900000 788809 1701674 274537 651922 1717344 1717344 17977195 17406182 17406182 142434 416280 416280 1372 1347 1347 18772923 19541153 19541153 0 X 18772923 19541153 18772923 19541153 18772923 19541153 18772923 788809 19561732 20579 19541153 Publicly Traded Securities - Long Term P 2024-01-01 2024-01-01 6995819 5120344 1875475 1875475 Publicly Traded Securities - Short-Term P 2024-01-01 2024-01-01 5728094 6067381 -339287 -339287 1536188 -339287 23653 23653 23653 20000 20000 40000 X 16347 16347 false false false false false false false true true DE true false false false false true N/A Deka Research & Devel Corp 6036695139 340 Commercial Street Manchester NH 03101 false false false false false false false false false false false false false false false false false false false false false false Dean Kamen 340 Commercial Street Manchester NH 03101 Director 0.10 0 Robert Tuttle 340 Commercial Street Manchester NH 03101 Director 0.20 0 Steve Hazard 340 Commercial Street Manchester NH 03101 Director 0.01 0 Maureen Toohey 340 Commercial Street Manchester NH 03101 Director 0.01 0 Brendan Duffy 340 Commercial Street Manchester NH 03101 Asst. Secretary 0.30 0 NONE NONE 19138836 630544 0 19769380 0 19769380 296541 19472839 973642 973642 23653 23653 949989 949989 949989 900000 900000 949989 74598 1139 75737 900000 0 900000 49989 49989 25748 0 25748 24609 1139 Dean Kamen X FIRST 200 Bedford Street Manchester NH 03101 N/A PC To assist FIRST in their efforts to teach children the value of technology and invention. 375000 INTERNATIONAL FIRST COMMITTEE ASSOC 340 Commercial Street Manchester NH 03101 N/A PC To assist International FIRST Committee Association in their efforts to teach children the value of technology and invention. 450000 University of New Hampshire The University of New Hampshire Durham NH 03824 N/A PC To support the University's goal of education. 25000 SEE Science Center 200 Bedford Street Manchester NH 03101 N/A PC To assist SEE Science center in their efforts to engage the community in the active exploration of science and innovation. 40000 Peggy Notebaert Nature Museum 2430 N Cannon Dr Chicago IL 60614 N/A PC To assist the Peggy Notebaert Nature Museum in their efforts to grow the Chicago regions connection to the world of nature and science. 10000 900000 14 18531 14 256006 1536188 -67 1810725 1810658 false false false false false false false false false false Schedule K-1: Amoskeag Global LLC 79 44 44 Schedule K-1: Amoskeag Medical LLC 1293 1303 1303 -67 Investment Fees 104939 104939 0 0 2023 Additional Payment 12652 2024 Extension for Excise Tax on Invest. 18000 2024 Refund 17854 Foreign Withholding Tax 4112 4112