UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 13D

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

Cardtronics plc

(Name of Issuer)

Ordinary Shares, nominal value $0.01 per share

(Title of Class of Securities)

G1991C105

(CUSIP Number)

Michael D. Pinnisi

Hudson Executive Capital LP

570 Lexington Avenue, 35th Floor

New York, NY 10022

(Name, Address and Telephone Number of Person Authorized to Receive

Notices and Communications)

Copies to:

Richard M. Brand

Daniel P. Raglan

Cadwalader, Wickersham & Taft LLP

200 Liberty Street

New York, NY 10281

(212) 504-6000

June 19, 2020

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box. ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

	CUSIP No. G1991C105				SCHEDULE 13D	Page 2 of 6 Pages
1		NAME OF REPORTING PERSONS

		Hudson Executive Capital LP
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP					(a)	☐
							(b)	☐

3		SEC USE ONLY


4		SOURCE OF FUNDS
		OO

5		CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)						☐

6		CITIZENSHIP OR PLACE OF ORGANIZATION
		Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER
				0

			8	SHARED VOTING POWER
				8,374,880

			9	SOLE DISPOSITIVE POWER
				0

			10	SHARED DISPOSITIVE POWER
				8,374,880

11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
		8,374,880

12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES						☐

13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
		18.8%¹

14		TYPE OF REPORTING PERSON
		PN, IA

1. The percentage calculations herein are based upon an aggregate of 44,463,034 ordinary shares, nominal value $0.01 per share, of Cardtronics plc, outstanding as of May 6, 2020, as reported in Cardtronics plc’s quarterly report on Form 10-Q for the quarter ended March 31, 2020.

	CUSIP No. G1991C105				SCHEDULE 13D	Page 3 of 6 Pages
1		NAME OF REPORTING PERSONS

		HEC Management GP LLC
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP					(a)	☐
							(b)	☐

3		SEC USE ONLY


4		SOURCE OF FUNDS
		OO

5		CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)						☐

6		CITIZENSHIP OR PLACE OF ORGANIZATION
		Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER
				0

			8	SHARED VOTING POWER
				8,374,880

			9	SOLE DISPOSITIVE POWER
				0

			10	SHARED DISPOSITIVE POWER
				8,374,880

11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
		8,374,880

12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES						☐

13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
		18.8%²

14		TYPE OF REPORTING PERSON
		OO

2. The percentage calculations herein are based upon an aggregate of 44,463,034 ordinary shares, nominal value $0.01 per share, of Cardtronics plc, outstanding as of May 6, 2020, as reported in Cardtronics plc’s quarterly report on Form 10-Q for the quarter ended March 31, 2020.

	CUSIP No. G1991C105				SCHEDULE 13D	Page 4 of 6 Pages
1		NAME OF REPORTING PERSONS

		Douglas L. Braunstein
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP					(a)	☐
							(b)	☐

3		SEC USE ONLY


4		SOURCE OF FUNDS
		OO

5		CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)						☐

6		CITIZENSHIP OR PLACE OF ORGANIZATION
		United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER
				8,088

			8	SHARED VOTING POWER
				8,374,880

			9	SOLE DISPOSITIVE POWER
				8,088

			10	SHARED DISPOSITIVE POWER
				8,374,880

11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
		8,382,968

12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES						☐

13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
		18.9%³

14		TYPE OF REPORTING PERSON
		IN

3. The percentage calculations herein are based upon an aggregate of 44,463,034 ordinary shares, nominal value $0.01 per share, of Cardtronics plc, outstanding as of May 6, 2020, as reported in Cardtronics plc’s quarterly report on Form 10-Q for the quarter ended March 31, 2020.

	CUSIP No. G1991C105		SCHEDULE 13D	Page 5 of 6 Pages

This Amendment No. 4 to Schedule 13D (this “Amendment No. 4”) relates to the Schedule 13D filed on January 31, 2018 (the “Initial 13D” and, as amended and supplemented through the date of this Amendment No. 4, collectively, the “Schedule 13D”) by the Reporting Persons, relating to the ordinary shares, nominal value $0.01 per share (the “Shares”), of Cardtronics plc, a company organized under the laws of England and Wales (the “Issuer”). Capitalized terms used but not defined in this Amendment No. 4 shall have the meanings set forth in the Schedule 13D.

This Amendment No. 4 is being filed to report an increase in the Reporting Persons’ beneficial ownership percentage due to the acquisition of additional Shares by the Reporting Persons.

The information set forth in response to each separate Item below shall be deemed to be a response to all Items where such information is relevant. Except as specifically amended by this Amendment No. 4, the Schedule 13D is unchanged.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

Item 3 of the Schedule 13D is hereby amended and supplemented as follows:

As of the date hereof, the Reporting Persons are deemed to beneficially own the Subject Shares as detailed in Item 5. The aggregate purchase price for the Subject Shares is approximately $189,612,155.69.

The source of funding for the transactions pursuant to which the Reporting Persons obtained beneficial ownership of the Subject Shares (other than the Shares acquired by Mr. Braunstein upon the vesting of Restricted Stock United as described below) was derived from the respective capital of the HEC Funds.

Mr. Braunstein has acquired a total of 8,088 Shares between March 8, 2019 and March 11, 2020 upon the vesting of 8,088 of the Restricted Stock Units that were granted to him in his capacity as a director of the Issuer. 5,952 of the 14,040 Restricted Stock Units granted to Mr. Braunstein by the Issuer remain unvested and will convert into an equivalent number of Shares on March 9, 2021.

ITEM 5. INTEREST IN SECURITIES OF THE ISSUER

Item 5(a), (b) and (c) of the Schedule 13D is hereby amended and supplemented as follows:

(a) and (b) The Reporting Persons beneficially own an aggregate of 8,382,968 Shares (the “Subject Shares”), of which 8,374,880 are owned by the HEC Funds and the remaining 8,088 are owned by Mr. Braunstein. The Subject Shares represent approximately 18.9% of the issued and outstanding Shares based on an aggregate of 44,463,034 Shares outstanding as of May 6, 2020, as reported in the Issuer’s quarterly report on Form 10-Q for the quarter ended March 31, 2020.

(c) All transactions in the Shares effected during the past 60 days on behalf of a HEC Fund over which the Reporting Persons have investment discretion are set forth in and Exhibit 6 attached hereto and incorporated herein by reference.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS

Exhibit 1 Joint Filing Agreement of the Reporting Persons*

Exhibit 2 Schedule of transactions effected during the last 60 days*

Exhibit 3 Schedule of transactions effected during the last 60 days*
Exhibit 4 Schedule of transactions effected during the last 60 days*

Exhibit 5 Schedule of transactions effected during the last 60 days*

Exhibit 6 Schedule of transactions effected during the last 60 days

* Previously Filed

CUSIP No. G1991C105

SCHEDULE 13D

Page 6 of 6 Pages

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: June 23, 2020

	HUDSON EXECUTIVE CAPITAL LP By: HEC Management GP, LLC, its general partner

	By:	/s/ Douglas L. Braunstein
		Name: Douglas L. Braunstein
		Title: Managing Member

	HEC MANAGEMENT GP, LLC

	By:	/s/ Douglas L. Braunstein
		Name: Douglas L. Braunstein
		Title: Managing Member

	DOUGLAS L. BRAUNSTEIN

	By:	/s/ Douglas L. Braunstein
		Douglas L. Braunstein