UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)*

Rennova Health, Inc.

(Name of Issuer)

Common Stock, $.01 par value

(Title of Class of Securities)

759757 70 1

(CUSIP Number)

Seamus Lagan

400 South Australian Avenue, 8^th Floor

West Palm Beach, FL 33401

(561) 855-1626

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

March 6, 2018

(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 §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-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 §240.13d-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 disclosure 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. 759757 70 1

13D

Page 2 of 9

1.	Names of Reporting Persons Seamus Lagan
2.	Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ]
3.	SEC Use Only
4.	Source of Funds (See Instructions) 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 Ireland

Number Of

Beneficially

Owned By

Each

Reporting

Person

With

Sole Voting Power

26,689,543

Shared Voting Power

4,282

Sole Dispositive Power

26,689,543

10.

Shared Dispositive Power

4,282

11.	Aggregate Amount Beneficially Owned by Each Reporting Person 26,693,825
12.	Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]
13.	Percent of Class Represented by Amount in Row (11) 6.4%
14.	Type of Reporting Person IN

CUSIP No. 759757 70 1

13D

Page 3 of 9

1.	Names of Reporting Persons Alcimede LLC
2.	Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ]
3.	SEC Use Only
4.	Source of Funds (See Instructions) 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

Sole Voting Power

-0-

Shared Voting Power

4,282

Sole Dispositive Power

-0-

10.

Shared Dispositive Power

4,282

11.	Aggregate Amount Beneficially Owned by Each Reporting Person 4,282
12.	Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]
13.	Percent of Class Represented by Amount in Row (11) 0.0%
14.	Type of Reporting Person OO

CUSIP No. 759757 70 1

13D

Page 4 of 9

1.	Names of Reporting Persons Epizon Ltd.
2.	Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ]
3.	SEC Use Only
4.	Source of Funds (See Instructions) 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 Commonwealth of the Bahamas

Number Of
Shares
Beneficially
Owned By
Each
Reporting
Person

With

Sole Voting Power

-0-

Shared Voting Power

8,638

Sole Dispositive Power

-0-

10.

Shared Dispositive Power

8,638

11.	Aggregate Amount Beneficially Owned by Each Reporting Person 8,638
12.	Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]
13.	Percent of Class Represented by Amount in Row (11) 0.0%
14.	Type of Reporting Person OO

CUSIP No. 759757 70 1

13D

Page 5 of 9

1.	Names of Reporting Persons P. Wilhelm F. Toothe, Trustee of The Shanoven Trust
2.	Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ]
3.	SEC Use Only
4.	Source of Funds (See Instructions) 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 Commonwealth of the Bahamas

Number Of Shares Beneficially Owned By Each Reporting Person With	7.	Sole Voting Power -0-
	8.	Shared Voting Power 8,638
	9.	Sole Dispositive Power -0-
	10.	Shared Dispositive Power 8,638

11.	Aggregate Amount Beneficially Owned by Each Reporting Person 8,638
12.	Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]
13.	Percent of Class Represented by Amount in Row (11) 0.0%
14.	Type of Reporting Person OO

CUSIP No. 759757 70 1

13D

Page 6 of 9

1.	Names of Reporting Persons The Shanoven Trust
2.	Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ]
3.	SEC Use Only
4.	Source of Funds (See Instructions) 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 Commonwealth of the Bahamas

Number Of Shares Beneficially Owned
By Each Reporting
Person

With

Sole Voting Power

-0-

Shared Voting Power

8,638

Sole Dispositive Power

-0-

10.

Shared Dispositive Power

8,638

11.	Aggregate Amount Beneficially Owned by Each Reporting Person 8,638
12.	Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]
13.	Percent of Class Represented by Amount in Row (11) 0.0%
14.	Type of Reporting Person OO

CUSIP No. 759757 70 1

13D

Page 7 of 9

Item 1. Security and Issuer

This Amendment No. 4 to Schedule 13D amends the Statement on Schedule 13D, dated November 2, 2015, as previously amended by Amendments No. 1, No. 2 and No. 3 to Schedule 13D, with respect to the Common Stock, $0.01 par value per share (the “Shares”), of Rennova Health, Inc., a Delaware corporation (the “Issuer”), filed by: Seamus Lagan; Alcimede LLC, a Delaware limited liability company (“Alcimede”); Epizon Ltd. (“Epizon”), a Bahamian international business corporation, which is wholly-owned by The Shanoven Trust, of which P. Wilhelm F. Toothe serves as the trustee; P. Wilhelm F. Toothe, as trustee of The Shanoven Trust; and The Shanoven Trust. Except as expressly amended below, Schedule 13D, dated November 2, 2015, as previously amended, remains in effect.

Item 3. Source and Amount of Funds or Other Consideration

Item 3 is hereby amended to include the following:

This Amendment No. 4 to Schedule 13D is being filed to report the grant to Seamus Lagan of 26,666,667 Shares by the Company on March 6, 2018. In addition, on August 15, 2017, Seamus Lagan was granted 6,666 Shares of restricted stock by the Company pursuant to the Company’s 2007 Incentive Award Plan. These Shares vest in full on August 15, 2018, subject to Mr. Lagan continuing to be a director of the Company.

Item 5. Interest in Securities of the Issuer

Item 5 is hereby amended to include the following:

As of March 6, 2018, Mr. Lagan may be deemed to beneficially own 26,693,825 Shares (or approximately 6.4% of the total number of Shares then currently deemed outstanding), which consists of 26,680,098 Shares owned of record by Mr. Lagan and 9,445 stock options owned of record by Mr. Lagan, and as to which Mr. Lagan may be deemed to have sole dispositive and voting power; and 4,282 Shares owned of record by Alcimede. Mr. Lagan may be deemed to have shared dispositive and voting power with Alcimede over the 4,282 Shares owned of record by Alcimede. Such Shares do not include 8,638 Shares owned of record by Epizon and with respect to such Shares, The Shanoven Trust, P. Wilhelm F. Toothe, as trustee of The Shanoven Trust, and Epizon share dispositive and voting power. Such Shares also do not include Shares owned by a third party entity, and which third party entity is owned by a trust of which P. Wilhelm F. Toothe serves as trustee.

Item 7. Materials to be Filed as Exhibits

Item 7 is hereby amended to include the following:

Exhibit D – Joint Filing Agreement pursuant to Rule 13d-1(k).

CUSIP No. 759757 70 1

13D

Page 8 of 9

SIGNATURES

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.

August 14, 2018	/s/ Seamus Lagan
	Seamus Lagan, individually

August 14, 2018	Alcimede LLC

	By:	/s/ Seamus Lagan
		Seamus Lagan, Sole Manager

August 14, 2018	Epizon Ltd.

	By:	The Shanoven Trust

	By:	/s/ P. Wilhelm F. Toothe
		P. Wilhelm F. Toothe, Trustee

August 14, 2018	The Shanoven Trust

	By:	/s/ P. Wilhelm F. Toothe
		P. Wilhelm F. Toothe, Trustee

CUSIP No. 759757 70 1

13D

Page 9 of 9

Exhibit D

JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)

The undersigned acknowledge and agree that the foregoing statement on Amendment No. 4 to Schedule 13D is filed on behalf of each of the undersigned. The undersigned acknowledge that each shall be responsible for the completeness and accuracy of the information concerning it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent it knows or has reason to believe that such information is inaccurate. This Joint Filing Agreement may be executed in any number of counterparts and all of such counterparts taken together shall constitute one and the same instrument.

Dated: August 14, 2018

	/s/ Seamus Lagan
	Seamus Lagan, individually

	Alcimede LLC

	By:	/s/ Seamus Lagan
		Seamus Lagan, Sole Manager

	Epizon Ltd.

	By:	The Shanoven Trust

	By:	/s/ P. Wilhelm F. Toothe
		P. Wilhelm F. Toothe, Trustee

	The Shanoven Trust

	By:	/s/ P. Wilhelm F. Toothe
		P. Wilhelm F. Toothe, Trustee