X0101 EFFECT 33 LIVE 2020-01-09 16:00:00

S-3

0001703056 ADT Inc. 333-235331 0001795309 Prime Security Services Borrower, LLC 333-235331-06 0001795310 Prime Security Services Holdings, LLC 333-235331-05 0001795242 Prime Finance Inc. 333-235331-04 0001795285 ADT LLC 333-235331-03 0001795245 ADT Security Corp 333-235331-02 0001795413 Red Hawk Fire & Security, LLC 333-235331-01