X0306 4 2017-08-01 0 0001574815 BMC STOCK HOLDINGS, INC. BMCH 0001708662 Minnix Lanesha C/O BMC STOCK HOLDINGS, INC. 980 HAMMOND DRIVE NE, SUITE 500 ATLANTA GA 30328 0 1 0 0 See Remarks Common Stock 2017-08-01 4 A 0 12600 0.00 A 12600 D Effective August 1, 2017, the Reporting Person was granted 12,600 restricted stock units, vesting in equal installments over a three-year period on June 1, 2018, June 1, 2019, and June 1, 2020, subject to the Reporting Person's continued employment with the issuer. Restricted stock units of the issuer may only be settled in shares of common stock on a 1-for-1 basis. Senior Vice President, General Counsel and Secretary; Exhibit 24: Power of Attorney /s/ Lanesha T. Minnix 2017-08-03