X0609 4 2026-07-27 0001853921 Scribe Therapeutics, Inc. SCTX 0001739090 Doudna Jennifer A false C/O SCRIBE THERAPEUTICS INC. 1150 MARINA VILLAGE PARKWAY ALAMEDA CA 94501 false false true false 0 Common Stock 2026-07-27 4 C 0 12511 A 603547 D Series A-1 Preferred Stock 2026-07-27 4 C 0 74088 D Common Stock 12511 0 D Each share of Series A-1 Preferred Stock is convertible into Common Stock on a one-for 0.1689 basis at the option of the holder, and will convert automatically upon closing of the Issuer's initial public offering without payment of consideration. The Series A-1 Preferred Stock has no expiration date. /s/ David L. Parrot, Attorney-in-Fact 2026-07-29