No. Schedule K-1 is the document used to communicate to affected individuals their share of the profits (losses), securities gains (losses), interest, and other tax attributes of pass-through entities such as partnerships, S Corps, Limited Liability Companies, and Trusts.
Retirement income consists of the distributions from pensions, annuities, Traditional IRAs, Roth IRAs, 401(k) or 403(b) plans, and other qualified retirement plans. These distributions are communicated to recipients on Form 1099-R.