ValueAct Capital Management Form 4 ARMSTRONG WORLD INDUSTRIES / Gregory P Spivy ownership change

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Spivy Gregory P

(Last) (First) (Middle)

ONE LETTERMAN DRIVE

BUILDING D, 4TH FLOOR

(Street)

SAN FRANCISCO CA 94129

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ARMSTRONG WORLD INDUSTRIES INC [ AWI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
07/14/2017

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	07/14/2017		A		2,298(2)	A	$0	8,349(3)	D(4)(5)
Common Stock								9,200,000	I	See Footnotes(5)(6)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Spivy Gregory P

(Last) (First) (Middle)

ONE LETTERMAN DRIVE

BUILDING D, 4TH FLOOR

(Street)

SAN FRANCISCO CA 94129

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

ValueAct Holdings, L.P.

(Last) (First) (Middle)

ONE LETTERMAN DRIVE

BUILDING D, 4TH FLOOR

(Street)

SAN FRANCISCO CA 94129

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

ValueAct Capital Master Fund, L.P.

(Last) (First) (Middle)

ONE LETTERMAN DRIVE

BUILDING D, 4TH FLOOR

(Street)

SAN FRANCISCO CA 94129

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

VA Partners I, LLC

(Last) (First) (Middle)

ONE LETTERMAN DRIVE

BUILDING D, 4TH FLOOR

(Street)

SAN FRANCISCO CA 94129

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

ValueAct Capital Management, L.P.

(Last) (First) (Middle)

ONE LETTERMAN DRIVE

BUILDING D, 4TH FLOOR

(Street)

SAN FRANCISCO CA 94129

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

ValueAct Capital Management, LLC

(Last) (First) (Middle)

ONE LETTERMAN DRIVE

BUILDING D, 4TH FLOOR

(Street)

SAN FRANCISCO CA 94129

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

ValueAct Holdings GP, LLC

(Last) (First) (Middle)

ONE LETTERMAN DRIVE

BUILDING D, 4TH FLOOR

(Street)

SAN FRANCISCO CA 94129

(City) (State) (Zip)

Explanation of Responses:

1. Restricted stock units granted under the 2016 Directors Stock Unit Plan, as amended, and as part of the Issuer's nonemployee Director Compensation Program. The units vest (contingent upon the Director's continued service as of such date) on the earlier of (i) the one-year anniversary of the grant; (ii) the death or total and permanent disability of the Director; or (iii) the date of any Change in Control Event (as defined in the Plan). Vested units will be acquirable by the Director, at the election of the Director: (i) at the vesting of the units at the one-year anniversary of the grant or (ii) at the time of the Director's termination of service.

2. Represents an annual grant of restricted stock units as the equity portion of the Directors retainer for Board service under the Issuer's nonemployee Director Compensation Program. The grant date fair value of the units is calculated under the Financial Accounting Standards Board's Accounting Standards Codification Topic 718 using the closing stock price of the Issuer's common shares on July 14, 2017 the first business day following the Issuer's Annual Meeting of Shareholders, which price was $45.70.

3. Includes vested and unvested units as well as units not yet acquirable by the Director. Under the terms of the 2008 Directors Stock Unit Plan, as amended (the "2008 Plan"), vested units under the 2008 Plan are not acquirable by the Director until (i) for those restricted stock units granted prior to June 2011, six (6) months following the termination of service on the Issuer's Board of Directors, and, (ii) for those units granted during and after June 2011, at the time of termination of service on the Issuer's Board of Directors. Under the terms of the 2016 Directors Stock Unit Plan, as amended (the "2016 Plan"), vested units under the 2016 Plan are not acquirable by the Director until, at the election of the Director: (i) the vesting of the units at the one-year anniversary of the grant or (ii) the time of the Director's termination of service.

4. The ValueAct entities referred to in this footnote 4 are collectively referred to herein as "ValueAct Capital." Under an agreement with ValueAct Capital, Gregory P. Spivy is deemed to hold the common stock for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P.

5. Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

6. The securities reported herein are directly beneficially owned by ValueAct Capital Master Fund, L.P. and may be deemed to be indirectly beneficially owned by (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P.

Remarks:

-The reporting persons herein may be deemed to be members of a "group" for purposes of the Securities Exchange Act of 1934, as amended. Each reporting person disclaims beneficial ownership of any securities deemed to be owned by the group that are not directly owned by such reporting person. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person. - Gregory P. Spivy, a Partner at ValueAct Capital, serves on the board of directors of the Issuer. As a result, the other reporting persons herein may be deemed directors by deputization.

	/s/ Gregory P. Spivy	07/18/2017
	VALUEACT HOLDINGS, L.P., By: VALUEACT HOLDINGS GP, LLC, its General Partner, By: /s/ Bradley E. Singer, Chief Operating Officer	07/18/2017
	VALUEACT CAPITAL MASTER FUND, L.P., By: VA PARTNERS I, LLC, its General Partner, By: /s/ Bradley E. Singer, Chief Operating Officer	07/18/2017
	VA PARTNERS I, LLC, By: /s/ Bradley E. Singer, Chief Operating Officer	07/18/2017
	VALUEACT CAPITAL MANAGEMENT, L.P., By: VALUEACT CAPITAL MANAGEMENT, LLC, its General Partner, By: /s/ Bradley E. Singer, Chief Operating Officer	07/18/2017
	VALUEACT CAPITAL MANAGEMENT, LLC, By: /s/ Bradley E. Singer, Chief Operating Officer	07/18/2017
	VALUEACT HOLDINGS GP, LLC, By: /s/ Bradley E. Singer, Chief Operating Officer	07/18/2017
	** Signature of Reporting Person	Date
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