Tax Guide Make Partnership Profits Simple with 1065 Schedule K 1 Form 1065 Schedule K 1 – for determining shares of partnership profits or losses This post from PDFfiller takes a look at another important one for partnerships – Form ... Tax Guide Shareholders’ Exclusive: Form 1120S Schedule K-1 Any shareholder of an S-Corporation need to use the Schedule K-1 of Form 1120S to report his or her pro-rated share of net income or loss from that ...