UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
Form 6-K
 
REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934
 
 
 
For the month of May, 2019
 
Commission File Number 001-15170
 
 
GlaxoSmithKline plc
(Translation of registrant's name into English)
 
 
 980 Great West Road, Brentford, Middlesex, TW8 9GS
(Address of principal executive office)
 
 
 
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
 
Form 20-F . . . .X. . . . Form 40-F . . . . . . . .
 
 
 
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____
 
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____
 
 
 
 
 
GlaxoSmithKline plc (the 'Company')
Transaction notification
1.
Details of PDMR/person closely associated with them ('PCA')
a)
Name
Ms D Conrad
b)
Position/status
SVP, Human Resources
c)
Initial notification/
amendment
Initial notification
2.
Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)
Name
GlaxoSmithKline plc
b)
LEI
5493000HZTVUYLO1D793
3.
Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transaction(s) has been conducted
a)
Description of thefinancial  instrument
Ordinary shares of 25 pence each ('Ordinary Shares')
 ISIN: GB0009252882
 
b)
Nature of thetransaction
The exercise of options over 12,650 Ordinary Shares, granted on 22 February 2010 under the GlaxoSmithKline Share Option Plan.
 
c)
Price(s) and volume(s)
Price(s)
Volume(s)
£12.035
12,650
d)
Aggregated information
 
Aggregated volume Price
n/a (single transaction) 
e)
Date of thetransaction
2019-05-23
f)
Place of the transaction
 
n/a
 
 
 
 
1.
Details of PDMR/person closely associated with them ('PCA')
a)
Name
Ms D Conrad
b)
Position/status
SVP, Human Resources
c)
Initial notification/
amendment
Initial notification
2.
Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)
Name
GlaxoSmithKline plc
b)
LEI
5493000HZTVUYLO1D793
3.
Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transaction(s) has been conducted
a)
Description of thefinancial  instrument
Ordinary shares of 25 pence each ('Ordinary Shares')
 ISIN: GB0009252882
 
b)
Nature of thetransaction
The sale of 12,650 Ordinary Shares, granted on 22 February 2010 under the GlaxoSmithKline Share Option Plan.
 
c)
Price(s) and volume(s)
Price(s)
Volume(s)
£15.892
12,650
d)
Aggregated information
 
Aggregated volume Price
n/a (single transaction) 
e)
Date of thetransaction
2019-05-23
f)
Place of the transaction
 
London Stock Exchange (XLON)
 
 
 
 
 
 
 
 
 
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: May 24, 2019 
 
 
 
 
By:/s/ VICTORIA WHYTE
--------------------------
 
 
 
Victoria Whyte
 
Authorised Signatory for and on
 
behalf of GlaxoSmithKline plc