X0206 3 2021-02-04 0 0001817229 Vor Biopharma Inc. VOR 0001840685 Chakraborty Tirtha C/O VOR BIOPHARMA INC. 100 CAMBRIDGEPARK DRIVE, SUITE 400 CAMBRIDGE MA 02140 0 1 0 0 Chief Scientific Officer Series B Preferred Stock Common Stock 3534 D Employee Stock Option (right to buy) 1.36 2029-09-24 Common Stock 46246 D Employee Stock Option (right to buy) 2.18 2030-03-09 Common Stock 24410 D Employee Stock Option (right to buy) 1.90 2030-08-20 Common Stock 70656 D Employee Stock Option (right to buy) 6.53 2030-11-17 Common Stock 121323 D Each share of Series B Preferred Stock is convertible at any time at the option of the holder, without payment of additional consideration, into Common Stock, on a 13.6-for-one basis, has no expiration date and will automatically convert into shares of Common Stock upon the closing of the Issuer's initial public offering. 1/4th of the shares underlying the option vested on September 23, 2020, with the remainder vesting in equal monthly installments over 3 years, provided that the Reporting Person remains continuously engaged by the Issuer on each such vesting date. 1/16th of the shares underlying the option vested on October 1, 2020, with the remainder vesting in equal monthly installments over 45 months, provided that the Reporting Person remains continuously engaged by the Issuer on each such vesting date. 1/48th of the shares underlying the option vest or vested in equal monthly installments commencing on December 16, 2020, provided that the Reporting Person remains continuously engaged by the Issuer on each such vesting date. Exhibit List - Exhibit 24 - Power of Attorney /s/ Jason Minio, Attorney-in-Fact 2021-02-04