FORM 6-K
 
 
SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549
 
 
Report of Foreign Issuer
 
 
Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934
 
 
 
For period ending April 2015
 
GlaxoSmithKline plc
(Name of registrant)


 
 
980 Great West Road, Brentford, Middlesex, TW8 9GS
(Address of principal executive offices)


 
 
Indicate by check mark whether the registrant files or
will file annual reports under cover Form 20-F or Form 40-F


 
 
Form 20-F x     Form 40-F

 
--

 
Indicate by check mark whether the registrant by furnishing the
information contained in this Form is also thereby furnishing the
information to the Commission pursuant to Rule 12g3-2(b) under the
Securities Exchange Act of 1934.


 
 
Yes      No x
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                                                                                                                            GlaxoSmithKline plc

Notification of Transactions of Directors, Persons Discharging Managerial Responsibility or Connected Persons

 
In accordance with DTR 3.1.4 R(1)(c) I give details of changes in the interests of Dr P J T Vallance, a Person Discharging Managerial Responsibilities, in the Ordinary Shares of GlaxoSmithKline plc ('GSK'). GSK was advised on 29 April 2015 that Dr P J T Vallance's Connected Person, Dr S Dexter, acquired 293 GSK Ordinary Shares, at a price of 1627 pence per Share, following the re-investment of the dividend paid to shareholders on 9 April 2015.
 
 

 
V A Whyte
Company Secretary

29 April 2015

  
SIGNATURES
 
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorised.



 
 
GlaxoSmithKline plc
(Registrant)


Date: April 29, 2015 
 
 
By: VICTORIA WHYTE
----------------------
 
 
Victoria Whyte
Authorised Signatory for and on
behalf of GlaxoSmithKline plc