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Day One Biopharmaceuticals, Inc. (DAWN)  
$0.00 0.00 (0.00%) as of 4:30 Tue 11/30


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Total Insiders  : 19  
Total Direct Shares :
29,629,307
Total Indirect Shares :
27,314,124
 
% Held by Insiders:
29.63%
 
9 other people own 
 $0 Atlas Venture Associates ...
 $0 Atlas Venture Opportunity...
 $0 Blackman Samuel C.
 $0 Atlas Venture Fund Xi, L....
 $0 Canaan Partners Xi Llc
 $0 Blavatnik Len
 $0  
 
Filer's Name Relation Direct Date   Direct Shares Indirect Date Indirect Shares
   York Charles N Ii 2025-05-16 265,231 0
   Bender Jeremy 2025-05-16 145,737 2025-05-16 1,608,838
   Merendino Lauren 2025-05-16 35,161 0
   Dubow Adam 2025-05-16 47,136 0
   Blackman Samuel C. 2024-12-10 1,034,015 2024-12-10 1,000,000
   Ramasastry Saira 2024-06-21 40,485 0
   Blavatnik Len Affiliate of 10% Owner 2023-10-20 12,929,322 2021-06-01 0
   Atlas Venture Fund Xi, L.p. 10% Owner 2022-12-12 6,008,534 2022-09-19 0
   Canaan Partners Xi Llc 10% Owner 2022-09-21 6,964,301 0
   Atlas Venture Opportunity Fund I, L.p. 10% Owner 2022-07-01 793,116 2022-07-01 0
   Atlas Venture Associates Opportunity I, Llc 10% Owner 2022-06-17 766,667 2022-06-17 8,217,352
   Gladstone Michael Director 2022-06-17 0 2022-06-17 766,667
   Takeda Ventures, Inc. 10% Owner 2021-12-03 0 2021-12-08 6,120,124
   Becker Daniel J. Director 2021-06-01 5,000 2021-06-01 0
   Papanek Julie Director 2021-06-01 465,000 2023-03-01 2,880,761
   Josey John A. Director 2021-06-01 72,292 0
   Atlas Venture Associates Xi, Llc 10% Owner 2021-06-01 0 2021-06-01 250,000
   Holles Natalie C. Director 2021-05-26 57,310 0
   Millennium Pharmaceuticals Inc 10% Owner 0 2021-05-26 6,470,382
19 Records found