FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a - 16 or 15d - 16 of

the Securities Exchange Act of 1934

For the month of June, 2008

HSBC Holdings plc

42^nd Floor, 8 Canada Square, London E14 5HQ, England

(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 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

(If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- ..............).

NOTIFICATION OF TRANSACTIONS OF PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY AND/OR CONNECTED PERSONS

This notification relates to a transaction notified in accordance with DTR 3.1.2 R and 3.1.4 R (1)(a)

1	Name of the issuer
	HSBC Holdings plc
2	Name of the person discharging managerial responsibilities or, where applicable, the name of the person connected with a person discharging managerial responsibilities
	A Almeida, a person discharging managerial responsibilities
3	Description of shares (including class), debentures, derivatives or any other financial instruments relating to shares
	US$0.50 ordinary shares
4	State the nature of the transaction
	Acquisition / award of conditional shares under the HSBC Share Plan
5	Number of shares, derivatives or any other financial instruments relating to shares acquired
	41,956
6	Number of shares, derivatives or any other financial instruments relating to shares disposed
	N/A
7	Price per share or value of transaction
	Nil
8	Date and place of transaction
	3 June 2008,  London
9	Date issuer informed of transaction
	6 June 2008
10	Name of duly authorised officer/official of issuer responsible for making notification
	Nicola Black, Assistant Secretary, 020 7991 2652
11	Date of notification
	6 June 2008

SIGNATURE

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 authorized.

HSBC Holdings plc

                                                                                                       By:       

                                                                                                                          Name: P A Stafford

                                                                                                                                            Title: Assistant Group Secretary

                                                                                                                                                                    Date: June 6, 2008