7Baggers

Day One Biopharmaceuticals Inc
(NASDAQ:DAWN) 

DAWN stock logo

We are a unique company created to find and develop new therapies that meet the critical needs of people of all ages living with cancer – starting from the biology of childhood cancer. Our distinctive approach, together with our trusted network of pediatric oncology investigators, gives us an unpara...

Founded: 2018
IPO Price: $16 (May 27, 2021)
CEO: Jeremy Bender  
Sector:
Industry:

Share this website to your friends
• Market Cap:
• Exchange:
• Shs Outstanding:
• Employees:
• Beta:
• Return on Equity (ROE) ttm:
• Return on Assets (ROA) ttm:
• EPS ttm:
• Book value per Share:
• Cash per Share:
• Current ast per Share:
• P/E ttm:
• P/E forward:
• P/E ttm high:
• P/E ttm low:
• P/S ttm:
• P/B ttm:
• P/FCF ttm:
• PEG ratio:
• Cash Ratio ttm:
• Quick Ratio ttm:
• Current Ratio ttm:
• Gross Mgn ttm:
• EBITDA Mgn ttm:
• Operating Mgn ttm:
• Net Income Mgn ttm:
• Trailing Div yield:
• Forward Div yield:
• Payout Ratio ttm:
• Ex-Dividend date:
• Target Price High:
• Target Price Low:
• Target Price Mean:
• Number of Analysts:
• Debt Ratio ttm:
• Debt to Equity ttm:
• Total Net Debt:
At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 
                       
      revenue:
                       
      product revenue
    52,834,000 38,522,000 33,562,000 30,503,000 28,955,000 20,070,000 8,192,000             
      license revenue
    884,000 1,273,000 346,000 258,000 253,000 73,691,000              
      total revenues
    53,718,000 39,795,000 33,908,000 30,761,000 29,208,000 93,761,000              
      yoy
    83.92% -57.56%                  
      qoq
    34.99% 17.36% 10.23% 5.32% -68.85%               
      cost and operating expenses:
                       
      cost of product and license revenue
    2,782,250 4,480,000 3,765,000                 
      research and development
    40,948,000 31,419,000 36,149,000 39,619,000 61,823,000 33,563,000 92,106,000 40,210,000 37,348,000 33,163,000 32,182,000 27,828,000 26,020,000 22,035,000 22,560,000 15,003,000 11,189,000 9,849,000 9,914,000 
      selling, general and administrative
    34,147,000 28,147,000 28,968,000 29,325,000 29,735,000 28,972,000 30,186,000             
      total cost and operating expenses
    81,176,000 64,046,000 68,882,000 71,828,000 94,540,000 64,125,000 122,999,000             
      income from operations
    -27,458,000 -24,251,000 -34,974,000 -41,067,000 -65,332,000 29,636,000 -114,807,000 -66,767,000 -59,517,000 -51,438,000 -49,254,000 -45,855,000 -42,743,000 -39,699,000 -36,719,000 -27,748,000 -21,975,000 -19,241,000 -15,439,000 
      yoy
    -57.97% -181.83% -69.54% -38.49% 9.77% -157.61% 133.09% 45.60% 39.24% 29.57% 34.14% 65.26% 94.51% 106.33% 137.83%     
      qoq
    13.22% -30.66% -14.84% -37.14% -320.45% -125.81% 71.95% 12.18% 15.71% 4.43% 7.41% 7.28% 7.67% 8.12% 32.33% 26.27% 14.21% 24.63%  
      operating margin %
    -51.12% -60.94% -103.14% -133.50% -223.68% 31.61% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% 
      non-operating income:
                       
      gain from sale of priority review voucher
          108,000,000             
      investment income
    4,147,000 4,559,000 4,671,000 5,094,000 6,052,000 5,322,000 3,962,000 4,365,000 5,024,000 5,291,000 3,406,000 3,466,000        
      other income
    57,000 -34,000   40,000 1,197,000   -5,500 -3,000   2,000 9,000      
      total non-operating income
    4,204,000 4,525,000 4,652,000 5,071,000 6,092,000 6,519,000 111,952,000             
      income before income taxes
    -23,254,000 -19,726,000 -30,322,000 -35,996,000 -59,240,000 36,155,000 -2,855,000             
      income tax benefit
        -167,500 882,000              
      net income
    -21,278,000 -19,726,000 -30,322,000 -35,996,000 -65,714,000 37,037,000 -4,407,000      -40,109,000 -37,795,000 -36,530,000     
      yoy
    -67.62% -153.26% 588.04%                 
      qoq
    7.87% -34.94% -15.76% -45.22% -277.43% -940.41%       6.12% 3.46%      
      net income margin %
    -39.61% -49.57% -89.42% -117.02% -224.99% 39.50% -Infinity% NaN% NaN% NaN% NaN% NaN% -Infinity% -Infinity% -Infinity% NaN% NaN% NaN% NaN% 
      net income per share
    -0.21 -0.19 -0.29 -0.35 -0.69 0.38 -0.05 -0.72 -0.64 -0.54 -0.61 -0.59 -0.56 -0.53 -0.6 -0.48 0.36 -0.33 -5.04 
      weighted-average number of common shares used in net income per share - basic
     103,381,315    96,623,123              
      weighted-average number of common shares used in net income per share - diluted
     103,381,315    96,937,759              
      other expense
      -19,000 -23,000   -10,000 -10,000   -15,000 -4,000    -1,000 14,000 7,000 -27,000 
      income tax expense
          -1,552,000             
      weighted-average number of common shares used in net loss per share - basic
    103,205,703  103,069,154 102,710,382 93,234,195               
      weighted-average number of common shares used in net loss per share - diluted
    103,205,703  103,069,154 102,710,382 93,234,195               
      cost of product revenue
       2,884,000 2,982,000 1,590,000 707,000             
      weighted-average number of common shares used in computing net loss per share, basic and diluted
          87,121,310 86,679,282 79,773,004 85,952,501 74,964,878 71,972,888 65,466,773 71,008,993 60,760,527 58,382,444 36,960,569 57,514,218 22,661,889 
      operating expenses:
                       
      general and administrative
           26,557,000 22,169,000 18,275,000 17,072,000 18,027,000 16,723,000 17,664,000 14,159,000 12,745,000 10,786,000 9,392,000 5,525,000 
      total operating expenses
           66,767,000 59,517,000 51,438,000 49,254,000 45,855,000 42,743,000 39,699,000 36,719,000 27,748,000 21,975,000 19,241,000 15,439,000 
      net loss attributable to common stockholders
           -62,412,000 -33,601,500 -46,150,000 -45,863,000 -42,393,000        
      interest income
                2,660,000 1,895,000 189,000 2,000    
      net loss attributable to redeemable convertible noncontrolling interest
                       
      exchange of redeemable noncontrolling interest shares – deemed dividend
                      -99,994,000 
      net loss attributable to common stockholders/members
                -40,109,000 -37,795,000 -36,530,000 -27,747,000    
      net loss and comprehensive loss
                   -27,747,000 -21,938,000 -19,240,000 -15,473,000 
      interest expense
                    -4,750 -6,000 -7,000 
      changes in fair value of derivative tranche liability
                       
      net loss attributable to redeemable convertible noncontrolling interests
                      -1,191,000 
      net loss attributable to common share members/common stockholders
                    -37,175,250 -19,240,000 -114,276,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 
                         
        assets
                         
        current assets:
                         
        cash and cash equivalents
      197,078,000 43,277,000 35,622,000 33,358,000 124,968,000 422,765,000 239,616,000 270,391,000 230,784,000 241,179,000 189,211,000 49,268,000 85,262,000 120,864,000 388,877,000 262,731,000 284,309,000 297,160,000 309,996,000 
        short-term investments
      244,035,000 408,303,000 417,481,000 439,662,000 406,752,000 135,618,000 122,250,000 47,553,000 135,563,000 164,359,000 253,671,000 268,911,000 257,007,000 253,477,000 5,987,000     
        accounts receivable
      26,735,000 16,697,000 19,669,000 18,054,000 13,876,000 8,695,000 9,136,000             
        inventory
      6,326,000 7,061,000 6,543,000 3,565,000 3,321,000 2,735,000 151,000             
        prepaid expenses and other current assets
      10,925,000 14,633,000 15,113,000 14,012,000 13,413,000 11,183,000 12,005,000 8,090,000 8,927,000 7,753,000 6,902,000 4,209,000 5,605,000 6,172,000 7,639,000 4,637,000 5,059,000 6,151,000 6,029,000 
        total current assets
      485,099,000 489,971,000 494,428,000 508,651,000 562,330,000 580,996,000 383,158,000 326,034,000 375,274,000 413,291,000 449,784,000 322,388,000 347,874,000 380,513,000 402,503,000 267,368,000 289,368,000 303,311,000 316,025,000 
        property and equipment
      2,136,000 2,227,000 2,317,000 2,508,000 2,285,000 904,000 196,000 185,000 208,000 213,000 183,000 72,000 20,000 35,000 67,000 66,000 57,000 62,000 67,000 
        operating lease right-of-use asset
      2,342,000 2,450,000 2,499,000 2,577,000 2,422,000 2,574,000 164,000 259,000 352,000 442,000 530,000 616,000 699,000 864,000 993,000 180,000 227,000 273,000 319,000 
        intangible assets
      18,020,000 18,815,000 19,610,000 20,405,000 15,630,000 16,216,000 16,802,000             
        deposits and other long-term assets
      230,000 317,000 183,000 215,000 121,000 117,000 117,000 167,000 214,000 233,000 259,000 487,000 469,000 449,000 484,000 165,000 169,000 137,000 126,000 
        total assets
      507,827,000 513,780,000 519,037,000 534,356,000 582,788,000 600,807,000 400,437,000 326,645,000 376,048,000 414,179,000 450,756,000 323,563,000 349,062,000 381,861,000 404,047,000 267,779,000 289,821,000 303,783,000 316,537,000 
        liabilities and stockholders’ equity
                         
        current liabilities:
                         
        accounts payable
      3,733,000 5,778,000 5,090,000 2,540,000 3,262,000 3,017,000 6,444,000 4,780,000 2,576,000 3,391,000 4,565,000 4,657,000 260,000 3,973,000 439,000 701,000 1,744,000 683,000 348,000 
        accrued expenses and other current liabilities
      54,615,000 48,210,000 44,131,000 43,641,000 68,625,000 35,189,000 87,072,000 24,759,000 26,524,000 20,647,000 19,519,000 17,774,000 15,950,000 13,836,000 11,933,000 7,304,000 6,709,000 5,161,000 4,113,000 
        current portion of deferred revenue
      2,000,000 2,317,000 1,847,000 1,636,000 1,554,000 1,462,000              
        current portion of operating lease liabilities
      174,000 161,000 153,000 62,000 10,000 77,000  300,000 408,000 437,000 428,000 417,000 405,000 462,000 427,000 171,000 204,000 202,000 201,000 
        total current liabilities
      60,522,000 56,466,000 51,221,000 47,879,000 73,451,000 39,745,000 93,706,000 29,839,000 29,508,000 24,475,000 24,512,000 22,848,000 16,615,000 18,271,000 12,799,000 8,176,000 8,657,000 6,046,000 4,662,000 
        long-term portion of deferred revenue
      3,040,000 2,953,000 3,371,000 3,350,000 3,233,000 3,061,000              
        long-term portion of operating lease liabilities
      2,619,000 2,732,000 2,850,000 2,854,000 2,592,000 2,538,000              
        other long-term liability
      484,000 761,000 761,000 761,000 761,000               
        total liabilities
      66,665,000 62,912,000 58,203,000 54,844,000 80,037,000 45,344,000 93,706,000 29,839,000 29,508,000 24,552,000 24,702,000 23,148,000 17,023,000 18,785,000 13,416,000 8,176,000 8,673,000 6,111,000 4,774,000 
        commitments and contingencies
                         
        stockholders’ equity:
                         
        common stock, 0.0001 par value...
      10,000 10,000 10,000 10,000 10,000 10,000 9,000 9,000 9,000   7,000 7,000 7,000 7,000 6,000    
        additional paid-in-capital
      1,102,490,000 1,090,914,000 1,081,315,000 1,069,631,000 1,056,738,000 1,043,826,000 832,148,000 817,799,000 805,107,000 793,699,000 783,978,000 612,402,000 601,771,000 593,020,000 582,391,000 414,831,000 408,629,000 403,214,000 398,065,000 
        accumulated other comprehensive income
      65,000 69,000 -92,000 -52,000 84,000 -6,000 -22,000 -5,000    67,000        
        accumulated deficit
      -661,403,000 -640,125,000 -620,399,000 -590,077,000 -554,081,000 -488,367,000 -525,404,000 -520,997,000 -458,585,000 -404,074,000 -357,924,000 -312,061,000 -269,668,000 -229,559,000 -191,764,000 -155,234,000 -127,487,000 -105,548,000 -86,308,000 
        total stockholders’ equity
      441,162,000 450,868,000 460,834,000 479,512,000 502,751,000 555,463,000 306,731,000 296,806,000 346,540,000 389,627,000 426,054,000 300,415,000 332,039,000 363,076,000 390,631,000 259,603,000    
        total liabilities and stockholders' equity
      507,827,000 513,780,000 519,037,000 534,356,000 582,788,000 600,807,000 400,437,000 326,645,000 376,048,000 414,179,000 450,756,000 323,563,000 349,062,000 381,861,000 404,047,000 267,779,000    
        current portion of operating lease liability
            190,000             
        long-term portion of lease liabilities
               77,000 190,000 300,000 408,000 514,000 617,000     
        accumulated other comprehensive gain
              9,000           
        common stock, 0.001 par value...
               9,000 9,000         
        accumulated other comprehensive loss
               -7,000 -9,000  -71,000 -392,000 -3,000     
        stockholders’ equity
                         
        operating lease liabilities, long-term
                      16,000 65,000 112,000 
        liabilities, redeemable convertible preferred shares, redeemable convertible noncontrolling interest and stockholders’ equity/members’
                         
        redeemable convertible preferred shares, no par value; no shares authorized, issued and outstanding at december 31, 2021; 22,851,257 shares authorized, issued and outstanding at december 31, 2020
                         
        redeemable convertible noncontrolling interest
                         
        stockholders’ equity/members’
                         
        preferred stock, 10,000,000 shares authorized, 0.0001 par value...
                         
        common shares, no par value; no shares authorized, issued and outstanding at december 31, 2021; 28,887,127 shares authorized and 6,035,869 shares at december 31, 2020
                         
        common stock, 500,000,000 shares authorized, 0.0001 par value...
                      6,000 6,000 6,000 
        incentive shares, no par value; no shares authorized, issued and outstanding at december 31, 2021; 4,312,540 shares authorized and 4,112,017 shares issued and outstanding at december 31, 2020
                         
        total stockholders’ equity/members’
                      281,148,000 297,672,000 311,763,000 
        total liabilities, redeemable convertible preferred shares, redeemable convertible noncontrolling interest and members’ deficit
                      289,821,000  316,537,000 
        redeemable convertible preferred shares, no par value; no shares authorized, issued and outstanding at september 30, 2021; 22,851,257 shares authorized, issued and outstanding at december 31, 2020
                         
        common shares, no par value; no shares authorized, issued and outstanding at september 30, 2021; 28,887,127 shares authorized and 6,035,869 shares at december 31st, 2020
                         
        incentive shares, no par value; no shares authorized, issued and outstanding at september 30, 2021; 4,312,540 shares authorized and 4,112,012 shares issued and outstanding at december 31, 2020
                         
        total liabilities, redeemable convertible preferred shares, redeemable convertible noncontrolling interest and stockholders' equity/members'
                       303,783,000  
        redeemable convertible preferred shares, no par value; no shares authorized, issued and outstanding at june 30, 2021; 22,851,257 shares authorized, issued and outstanding at december 31, 2020
                         
        common shares, no par value; no shares authorized, issued and outstanding at june 30, 2021; 28,887,127 shares authorized and 6,035,869 shares at december 31st, 2020
                         
        incentive shares, no par value; no shares authorized, issued and outstanding at june 30, 2021; 4,312,540 shares authorized and 4,112,012 shares issued and outstanding at december 31, 2020
                         
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 
                          
          cash flows from operating activities:
                          
          net loss
        -21,278,000 -19,726,000 -30,322,000 -35,996,000   -4,407,000 -62,412,000 -54,511,000 -46,150,000 -45,863,000 -42,393,000 -40,109,000 -37,795,000 -36,530,000 -27,747,000 -21,938,000 -19,241,000 
          adjustments to reconcile net loss to net cash from operating activities:
                          
          acquired in-process research and development assets
                      
          share-based compensation expense
        11,068,000 9,561,000 10,898,000 12,861,000 11,035,000 11,554,000 13,030,000 12,644,000 10,811,000 9,606,000 9,477,000 9,447,000 6,833,000 8,576,000 5,631,000 6,202,000 5,097,000 5,149,000 
          depreciation expense
        91,000 90,000 91,000 94,000 38,000 16,000 15,000 23,000 13,000 11,000 6,000 6,000 15,000 36,000 6,000 6,000   
          accretion of discounts on short-term investments
        -3,215,000 -4,121,000 -4,152,000 -4,250,000 -2,823,000 -1,377,000 -897,000 -1,292,000 -1,576,000 -2,644,000 -5,259,000 -599,000 -999,000      
          amortization of intangible assets
        795,000 795,000 795,000 725,000 586,000 586,000             
          amortization of operating right-of-use asset
        108,000 49,000 78,000 75,000 135,000 144,000             
          loss from sale of property and equipment
                        
          gain from sale of priority review voucher
                        
          changes in operating assets and liabilities:
                          
          accounts receivable
        -10,038,000 2,972,000 -1,615,000 -4,178,000 -5,181,000 441,000             
          inventory
        772,000 -480,000 -2,940,000 -212,000 -560,000 -2,554,000             
          prepaid expenses and other current assets
        3,708,000 480,000 -1,101,000 -606,000 -2,230,000 752,000 -3,915,000 837,000 -1,174,000 -851,000 -2,693,000 1,396,000 567,000 1,467,000 -3,002,000 422,000 1,091,000 -86,000 
          deposits and other long-term assets
        87,000 -134,000 32,000 -94,000 -4,000 50,000 47,000 19,000 26,000 228,000 -18,000 -20,000 35,000 -319,000 4,000 -31,000 -12,000 
          accounts payable
        -2,045,000 688,000 2,550,000 -722,000 245,000 -3,427,000 1,664,000 2,204,000 -815,000 -1,174,000 -74,000 4,379,000 -3,713,000 3,534,000 -262,000 -1,043,000 1,059,000 338,000 
          accrued expenses and other current liabilities
        6,405,000 4,079,000 490,000 -26,984,000 33,436,000 -51,883,000 62,313,000 -1,765,000 5,877,000 1,128,000 1,759,000 1,810,000 2,114,000 1,903,000 4,629,000 595,000 1,549,000 1,628,000 
          deferred revenue
        -230,000 52,000 232,000 199,000 264,000              
          operating lease liability
        -100,000 -110,000 87,000 91,000 4,000 -59,000             
          other long-term liability
                          
          net cash from operating activities
        -14,149,000 -5,805,000 -24,806,000 -58,997,000 -30,008,000 50,753,000 -49,129,000 -49,729,000 -41,372,000 -37,064,000 -42,432,000 -25,985,000 -35,310,000 -23,214,000 -29,787,000 -21,563,000 -13,169,000 -12,221,000 
          capital expenditures
        -3,000 -317,000 -1,419,000 -724,000  -8,000 -41,000 -149,000 6,000 
          free cash flows
        -14,149,000 -5,805,000 -24,809,000 -59,314,000 -31,427,000 50,029,000 -49,129,000  -41,380,000 -37,105,000 -42,581,000 -25,979,000 -35,310,000 -23,214,000 -29,787,000 -21,563,000 -13,169,000 -12,221,000 
          cash flows from investing activities:
                          
          cash paid for purchase of short-term investments
        -57,948,000 -209,565,000 -238,502,000 -189,796,000 -275,221,000 -214,634,000 -121,599,000 -47,162,000 -99,137,000 -79,957,000 -104,730,000 -160,014,000 -121,368,000 -266,848,000     
          proceeds from maturity of short-term investments
        215,453,000 223,025,000 264,795,000 161,000,000 7,000,000 123,250,000 47,782,000 136,450,000  171,915,000 125,153,000 148,847,000       
          proceeds from sale of short-term investments
                         
          cash paid for acquired intangible assets
        -3,500,000             
          proceeds from sale of priority review voucher
                        
          cash paid for acquired in-process research and development assets
                      
          cash paid for purchase of property and equipment
        -3,000 -317,000 -1,419,000 -724,000   -8,000 -41,000 -149,000 -26,000      
          proceeds from sale of property and equipment
                        
          net cash provided (used in) by investing activities
                          
          cash flows from financing activities:
                          
          proceeds from issuance of common stock in connection with private placement, net of placement agent fees and offering costs
                         
          proceeds from issuance of prefunded warrants to purchase common stock in connection with private placement, net of issuance costs
                         
          proceeds from issuance of common stock
                    -615,000 
          proceeds from issuance of common stock upon stock option exercises
            918,000 977,000 324,000 48,000 115,000 39,000 1,184,000 1,596,000      
          proceeds from issuance of common stock upon employee stock purchase plan purchase
        345,000   933,000            
          cash from financing activities
        471,000   1,851,000 200,095,000 1,297,000 48,000  115,000 162,101,000 1,184,000       
          net increase in cash and cash equivalents
        153,801,000 7,655,000 2,264,000 -91,610,000 -297,797,000 183,149,000 -30,775,000 39,607,000 -10,395,000 51,968,000   -35,602,000 -268,013,000 126,146,000 -21,578,000 -12,851,000 -12,836,000 
          cash and cash equivalents, beginning of period
        124,968,000 230,784,000 85,262,000 284,309,000 
          cash and cash equivalents, end of period
        153,801,000 7,655,000 2,264,000 33,358,000 -297,797,000 183,149,000 -30,775,000 270,391,000 -10,395,000 51,968,000 139,943,000 49,268,000 -35,602,000 -268,013,000 126,146,000 262,731,000 -12,851,000 -12,836,000 
          supplemental disclosure of cash flow information:
                          
          income taxes paid
        -567,000   1,015,000              
          supplemental disclosures of noncash activities:
                          
          cash not yet paid for acquired intangible asset
        2,000,000               
          right-of-use asset obtained in exchange for new operating lease liabilities
        230,000              
          cash not yet paid for license agreement milestone payment
                          
          net cash from investing activities
         13,460,000 26,322,000 -32,613,000 -269,640,000 -67,699,000 17,057,000 89,288,000  88,917,000 20,274,000 -11,193,000 -2,210,000      
          deferred offering costs not yet paid
                          
          cash not yet paid for upfront license agreement payment
                          
          net income
                          
          purchases of property and equipment included in accrued expenses and other current liabilities
                          
          unpaid/deferred offering costs
                          
          amortization of operating right-of-use assets
               93,000 90,000 88,000 86,000 83,000 165,000 129,000 127,000 47,000 46,000 45,000 
          operating lease liabilities
               -108,000 -106,000 -104,000 -99,000 -96,000 -163,000 -68,000 -67,000 -49,000 -28,000 -52,000 
          cash flows from operating activities
                          
          cash flows from investing activities
                          
          proceeds from maturity of short-term investment
                          
          net cash from (used) in investing activities
                          
          cash flows from financing activities
                          
          proceeds from issuance of series b redeemable convertible preferred shares, net of issuance costs
                        
          proceeds from issuance of common stock upon espp purchase
                    322,000     
          net cash from financing activities
                        318,000 -615,000 
          supplemental disclosures of noncash activities
                          
          lease liability obtained in exchange for right-of-use asset
                        
          exchange of 45,331,483 preferred, common, and incentive shares in connection with the conversion
                        
          exchange of redeemable convertible noncontrolling interest to 6,470,382 shares of common stock
                        
          net decrease in cash and cash equivalents
                   -35,994,000       
          purchases of property and equipment included in accounts payable and in accrued expenses and other current liabilities
                   32,000       
          non-cash interest expense
                         5,000 
          changes in derivative tranche liabilities
                          
          proceeds from issuance of series a redeemable convertible preferred shares, net of issuance costs
                          
          transfers to redeemable convertible noncontrolling interest
                          
          cash paid for property and equipment
                          
          cash from investing activities
                      -5,997,000 -15,000 
          property and equipment expenditures
                       -15,000   
          payments of financing issuance costs
                          
          depreciation and amortization expense
                        5,000 5,000 
          issuance of shares for research and development
                          
          purchases of property and equipment
                          
          proceeds from issuance of convertible notes
                          
          recognition of contingent beneficial conversion feature upon notes conversion
                          
          issuance of series a redeemable convertible shares for research and development
                          
          conversion of convertible notes and accrued interest into series a redeemable convertible preferred shares
                          
          issuance of derivative tranches liability
                          
          right of use asset capitalization