Formed on 1 Oct 40 with three Abt. each with two light and one med Kp.
Assigned to 12.Pz.Div. on 10 Jan 41. I. and II.Abt. converted form Pz.38t
to Pz.III in Jan 42. III.Abt. renamed III./Pz.Rgt.4 on 15 May 42 (one Kp.
was transferred to I.Abt. giving the regiment a total of seven Kp.). New
8.Kp. formed from renamed 1./Pz.Abt.z.b.V.66 on 2 Oct 42. I.Abt. returned
to Ger before May 43. Personnel from I.Abt. were sent to H.Gr.Nord to man
dug-in Panthers in Dec 43. I.Abt. Turn over Panthers to SS-Pz.Abt. 11 and
returned to the West in Feb 44. I.Abt. Assigned to Pz.Brig.112 in Sep 44.
I.Abt. Turnd over equipment to Pz.Rgt.22 and returned to Germany to refit
in Sep 44. I.Abt. with two Kp. assigned to Pz.Brig.103 in Jan 45. I.Abt.
assigned to Pz.Div.Muncheburg on 9 Mar 45. I.Abt. outfitted with Panthers
from Pz.Abt.Kummersdorf and 3.Kp. formed from renamed
3./Pz.Abt.Kummersdorf on 12 Mar 45.