Muwatta Malik · Hadith 188

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، أَنَّهُ كَانَ يَقْرَأُ خَلْفَ الإِمَامِ فِيمَا لاَ يَجْهَرُ فِيهِ الإِمَامُ بِالْقِرَاءَةِ ‏.‏

Yahya related to me from Malik from Hisham ibn Urwa that his father used to recite behind the imam when the imam did not recite aloud

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).