** Shares of software firm Teradata Corp TDC.N fall as much as 26.4% to a four-year low of $22.73 in afternoon trade

** On Tuesday, co forecast FY25 adjusted profit per share in the range of $2.15 to $2.25, below analysts' estimate of $2.40 each — LSEG

** Also forecast fiscal 2025 first-quarter adjusted profit per share in the range of 55 cents to 59 cents, below analysts' estimates of 63 cents per share

** Company posted fourth-quarter sales of $409 million vs analysts' estimate of $414.9 million

** Reported fourth-quarter adjusted profit of 53 cents per share vs analysts' estimate of 43 cents apiece

** Company's CFO, Claire Bramley, to exit on March 31; search for replacement underway — TDC

** Charles Smotherman, the current chief accounting officer, will serve as interim CFO starting March 24 — TDC

** TDC fell ~29% in 2024

(Reporting by Kamal Choudhury in Bengaluru)

((Kamal.Choudhury@thomsonreuters.com))