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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * STOUT DAVID M   2. Issuer Name and Ticker or Trading Symbol AIRGAS INC [ARG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O AIRGAS, INC., 259 N. RADNOR-CHESTER ROAD, STE. 100 3. Date of Earliest Transaction (Month/Day/Year) 05/23/2016 (Street) RADNOR, PA 19087 4. If Amendment, Date 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 (City) (State) (Zip) 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 04/22/2016   G   1,551 D (1) 33,347 D   Common Stock 05/23/2016   D   33,347 (2) D $ 143 (2) 0 D

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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 Underlying Securities (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 of Derivative Security: 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
Stock Option (Right to Buy)	$ 57.49	05/23/2016		D			6,500	(3)	08/05/2016	Common Stock	6,500	(3)	0	D
Stock Option (Right to Buy)	$ 44.18	05/23/2016		D			7,000	(3)	08/18/2017	Common Stock	7,000	(3)	0	D
Stock Option (Right to Buy)	$ 67.63	05/23/2016		D			5,500	(3)	09/23/2018	Common Stock	5,500	(3)	0	D
Stock Option (Right to Buy)	$ 64.05	05/23/2016		D			5,782	(3)	08/29/2019	Common Stock	5,782	(3)	0	D
Stock Option (Right to Buy)	$ 82.74	05/23/2016		D			4,600	(3)	08/14/2020	Common Stock	4,600	(3)	0	D
Stock Option (Right to Buy)	$ 105.41	05/23/2016		D			4,500	(3)	08/06/2021	Common Stock	4,500	(3)	0	D
Stock Option (Right to Buy)	$ 107.17	05/23/2016		D			5,000	(3)	08/05/2022	Common Stock	5,000	(3)	0	D
Stock Option (Right to Buy)	$ 102.7	05/23/2016		D			6,300	(3)	08/04/2023	Common Stock	6,300	(3)	0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
STOUT DAVID M C/O AIRGAS, INC. 259 N. RADNOR-CHESTER ROAD, STE. 100 RADNOR, PA 19087	X

Signatures

Robert H. Young, Jr., Attorney-in-Fact for David M. Stout		05/24/2016
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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).
(1)	Not applicable.
(2)	Disposed of pursuant to an Agreement and Plan of Merger, dated as of November 17, 2015, among the Issuer, L'Air Liquide, S.A. and AL Acquisition Corporation, an indirect wholly owned subsidiary of Air Liquide ("Merger Agreement"), in exchange for the cash merger consideration of $143.00 per share of Airgas, Inc. common stock disposed of by the reporting person in connection with the merger.
(3)	Pursuant to the Merger Agreement, each stock option outstanding on the effective date of the merger, whether vested or unvested, was canceled in exchange for a cash payment equal to the product of (x) the excess of the cash per share merger consideration ($143.00) over the exercise price of the stock option and (y) the number of shares of common stock subject to the option on the effective day of the merger.

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