We performed tamattu' during the lifetime of the Messenger of Allah ﷺ, sacrificed a cow for seven and a camel for seven people. We shared them. (Using translation from Abū Dāʾūd 2807)
كُنَّا نَتَمَتَّعُ فِي عَهْدِ رَسُولِ اللهِ ﷺ نَذْبَحُ الْبَقَرَةَ عَنْ سَبْعَةٍ نَشْتَرِكُ فِيهَا