X0508 4 2026-02-02 0 0000320121 TELOS CORP TLS 0001909327 Robbins Edward Hutchinson Jr. C/O TELOS CORPORATION 19886 ASHBURN ROAD ASHBURN VA 20147 0 1 0 0 EVP, General Counsel 0 Common Stock 2026-02-02 4 A 0 270386 0 A 802943 D Common Stock 2026-02-02 4 F 0 134042 5.53 D 668901 D Common Stock 12422.05 I By 401k plan The reporting person acquired these shares upon the vesting of certain performance share units. Telos withheld 134,042 shares of its common stock to satisfy the reporting person's tax withholding obligation resulting from the vesting of the performance stock units. The reporting person did not sell any shares of Telos stock to a third party as part of this transaction. /s/ Helen M. Oh, attorney-in-fact 2026-02-04