Does the cellular operator store information about all IMEI phones into which a SIM card was inserted?

Question

network hardware

One SIM card was used in several cell phones.
Does the cellular operator store information about all IMEI phones into which this SIM card was inserted?

Answer 1

Yes

Answer 2

They have the technical ability, of course, but whether they need it, whether this legislation allows, or even obliges, depends on the country and the operator.

Answer 3

And even such information is stored by those "who need it."