X0607 3/A 2026-08-04 2026-08-04 0 0002058707 Attovia Therapeutics, Inc. ATTO 0001654907 Chan Steven false C/O ATTOVIA THERAPEUTICS, INC. 1091 INDUSTRIAL ROAD, SUITE 310 SAN CARLOS CA 94070 false true false false Chief Financial Officer Stock Option (Right to Buy) 3.5302 2034-11-13 Common Stock 215285 D Stock Option (Right to Buy) 4.9237 2035-05-17 Common Stock 80731 D The option vests over a four-year period. The vesting schedule is as follows: 25% of the shares of common stock underlying the stock option vested on October 14, 2025, and an additional 1/48th of the total shares underlying the stock option vest in equal monthly installments over three years, subject to continued service to the Issuer through such date. The option vests over a four-year period. The vesting schedule is as follows: 25% of the shares of common stock underlying the stock option vested on May 18, 2026, and an additional 1/48th of the total shares underlying the stock option vest in equal monthly installments over three years, subject to continued service to the Issuer through such date. This Form 3 amendment amends the Form 3 filed on August 4, 2026, which reported the Reporting Person's beneficial ownership using the Issuer's CIK number. This Form 3 amendment has been filed under the Reporting Person's CIK and reflects him as the Reporting Person. This filing amends and replaces the original filing in its entirety. No changes have been made or are being reported with respect to the Reporting Person's beneficial ownership of the Issuer's securities. /s/ Steven Chan 2026-10-08