| holding | BASE | Series A Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 1.64M | $0.00 | By: Accel X L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series A Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 124K | $0.00 | By: Accel X Strategic Partners L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series A Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 171K | $0.00 | By: Accel Investors 2008 L.L.C. | F1, F2, F3 | 
          
            | holding | BASE | Series B Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 875K | $0.00 | By: Accel X L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series B Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 66.3K | $0.00 | By: Accel X Strategic Partners L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series B Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 91.5K | $0.00 | By: Accel Investors 2008 L.L.C. | F1, F2, F3 | 
          
            | holding | BASE | Series C Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 337K | $0.00 | By: Accel X L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series C Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 25.5K | $0.00 | By: Accel X Strategic Partners L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series C Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 35.2K | $0.00 | By: Accel Investors 2008 L.L.C. | F1, F2, F3 | 
          
            | holding | BASE | Series D Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 280K | $0.00 | By: Accel X L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series D Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 21.2K | $0.00 | By: Accel X Strategic Partners L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series D Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 29.3K | $0.00 | By: Accel Investors 2008 L.L.C. | F1, F2, F3 | 
          
            | holding | BASE | Series E Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 131K | $0.00 | By: Accel X L.P. | F1, F2, F4 | 
          
            | holding | BASE | Series E Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 9.92K | $0.00 | By: Accel X Strategic Partners L.P. | F1, F2, F4 | 
          
            | holding | BASE | Series E Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 1.08M | $0.00 | By: Accel Growth Fund II L.P. | F1, F2, F4 | 
          
            | holding | BASE | Series E Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 78.5K | $0.00 | By: Accel Growth Fund II Strategic Partners L.P. | F1, F2, F4 | 
          
            | holding | BASE | Series E Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 116K | $0.00 | By: Accel Growth Fund Investors 2013 L.L.C. | F1, F2, F4 | 
          
            | holding | BASE | Series E Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 13.7K | $0.00 | By: Accel Investors 2008 L.L.C. | F1, F2, F4 | 
          
            | holding | BASE | Series F Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 92.7K | $0.00 | By: Accel X L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series F Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 7.02K | $0.00 | By: Accel X Strategic Partners L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series F Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 155K | $0.00 | By: Accel Growth Fund II L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series F Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 11.2K | $0.00 | By: Accel Growth Fund II Strategic Partners L.P. | F1, F2, F3 | 
          
            | holding | BASE | Series F Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 16.7K | $0.00 | By: Accel Growth Fund Investors 2013 L.L.C. | F1, F2, F3 | 
          
            | holding | BASE | Series F Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 9.69K | $0.00 | By: Accel Investors 2008 L.L.C. | F1, F2, F3 | 
          
            | holding | BASE | Series G Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 216K | $0.00 | By: Accel X L.P. | F1, F2, F5 | 
          
            | holding | BASE | Series G Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 16.4K | $0.00 | By: Accel X Strategic Partners L.P. | F1, F2, F5 | 
          
            | holding | BASE | Series G Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 362K | $0.00 | By: Accel Growth Fund II L.P. | F1, F2, F5 | 
          
            | holding | BASE | Series G Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 26.2K | $0.00 | By: Accel Growth Fund II Strategic Partners L.P. | F1, F2, F5 | 
          
            | holding | BASE | Series G Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 38.9K | $0.00 | By: Accel Growth Fund Investors 2013 L.L.C. | F1, F2, F5 | 
          
            | holding | BASE | Series G Preferred Stock |  |  |  |  |  |  | Jul 21, 2021 | Common Stock | 22.6K | $0.00 | By: Accel Investors 2008 L.L.C. | F1, F2, F5 |