SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

FARMER MICHAEL ALAN

(Last)

(First)

(Middle)

C/O BMC STOCK HOLDINGS, INC.

980 HAMMOND DRIVE NE, SUITE 500

(Street)

ATLANTA

30328

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/21/2017

3. Issuer Name and Ticker or Trading Symbol
BMC STOCK HOLDINGS, INC. [ BMCH ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	See Remarks

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	16,008⁽¹⁾	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Options	12/01/2015⁽²⁾	08/14/2023	Common Stock	5,081	$20.34	D

Explanation of Responses:

1. Represents (i) 4,008 shares of common stock and (ii) 12,000 unvested shares of restricted stock units granted on November 3, 2015, 6,000 of which vest on November 3, 2017 and 6,000 of which vest on November 3, 2018, in each case 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.

2. Represents 5,081 stock options of Stock Building Supply Holdings, Inc. ("SBS"), which became fully vested on December 1, 2015 following the merger of Building Materials Holding Corporation ("BMC") with and into SBS, with SBS surviving such merger, pursuant to the Agreement and Plan of Merger, dated as of June 2, 2015, between BMC and SBS.

Remarks:

SENIOR VICE PRESIDENT, HUMAN RESOURCES Exhibit List Exhibit 24 - Power of Attorney

	/s/ Paul Street, Attorney-in-Fact for Michael Farmer	02/23/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.