UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 1)¹

Donnelley Financial Solutions, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

25787G100

(CUSIP Number)

JEFFREY Jacobowitz

SIMCOE CAPITAL MANAGEMENT, LLC

509 Madison Avenue, Suite 2200

New York, New York 10022

(212) 448-7400

STEVE WOLOSKY, ESQ.

OLSHAN FROME WOLOSKY LLP

1325 Avenue of the Americas

New York, New York 10019

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

December 27, 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 that 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.

1              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. 25787G100

	1	NAME OF REPORTING PERSON
			SIMCOE CAPITAL MANAGEMENT, LLC
	2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP				(a) ☐
						(b) ☐
	3	SEC USE ONLY
	4	SOURCE OF FUNDS
			AF
	5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)				☐
	6	CITIZENSHIP OR PLACE OF ORGANIZATION
			DELAWARE
NUMBER OF			7	SOLE VOTING POWER
SHARES
BENEFICIALLY					2,467,725
OWNED BY			8	SHARED VOTING POWER
EACH
REPORTING					- 0 -
PERSON WITH			9	SOLE DISPOSITIVE POWER
					2,467,725
			10	SHARED DISPOSITIVE POWER
					- 0 -
	11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
			2,467,725
	12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES				☐
	13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
			7.2%
	14	TYPE OF REPORTING PERSON
			OO

2

CUSIP No. 25787G100

	1	NAME OF REPORTING PERSON
			SIMCOE PARTNERS, L.P.
	2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP				(a) ☐
						(b) ☐
	3	SEC USE ONLY
	4	SOURCE OF FUNDS
			WC
	5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)				☐
	6	CITIZENSHIP OR PLACE OF ORGANIZATION
			DELAWARE
NUMBER OF			7	SOLE VOTING POWER
SHARES
BENEFICIALLY					2,335,604
OWNED BY			8	SHARED VOTING POWER
EACH
REPORTING					- 0 -
PERSON WITH			9	SOLE DISPOSITIVE POWER
					2,335,604
			10	SHARED DISPOSITIVE POWER
					- 0 -
	11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
			2,335,604
	12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES				☐
	13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
			6.8%
	14	TYPE OF REPORTING PERSON
			PN

3

CUSIP No. 25787G100

	1	NAME OF REPORTING PERSON
			SIMCOE MANAGEMENT COMPANY, LLC
	2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP				(a) ☐
						(b) ☐
	3	SEC USE ONLY
	4	SOURCE OF FUNDS
			AF
	5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)				☐
	6	CITIZENSHIP OR PLACE OF ORGANIZATION
			DELAWARE
NUMBER OF			7	SOLE VOTING POWER
SHARES
BENEFICIALLY					2,335,604
OWNED BY			8	SHARED VOTING POWER
EACH
REPORTING					- 0 -
PERSON WITH			9	SOLE DISPOSITIVE POWER
					2,335,604
			10	SHARED DISPOSITIVE POWER
					- 0 -
	11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
			2,335,604
	12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES				☐
	13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
			6.8%
	14	TYPE OF REPORTING PERSON
			OO

4

CUSIP No. 25787G100

	1	NAME OF REPORTING PERSON
			SDR PARTNERS, LLC
	2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP				(a) ☐
						(b) ☐
	3	SEC USE ONLY
	4	SOURCE OF FUNDS
			WC
	5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)				☐
	6	CITIZENSHIP OR PLACE OF ORGANIZATION
			DELAWARE
NUMBER OF			7	SOLE VOTING POWER
SHARES
BENEFICIALLY					132,121
OWNED BY			8	SHARED VOTING POWER
EACH
REPORTING					- 0 -
PERSON WITH			9	SOLE DISPOSITIVE POWER
					132,121
			10	SHARED DISPOSITIVE POWER
					- 0 -
	11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
			132,121
	12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES				☐
	13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
			Less than 1%
	14	TYPE OF REPORTING PERSON
			OO

5

CUSIP No. 25787G100

	1	NAME OF REPORTING PERSON
			JEFFREY JACOBOWITZ
	2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP				(a) ☐
						(b) ☐
	3	SEC USE ONLY
	4	SOURCE OF FUNDS
			AF
	5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)				☐
	6	CITIZENSHIP OR PLACE OF ORGANIZATION
			USA
NUMBER OF			7	SOLE VOTING POWER
SHARES
BENEFICIALLY					2,467,725
OWNED BY			8	SHARED VOTING POWER
EACH
REPORTING					- 0 -
PERSON WITH			9	SOLE DISPOSITIVE POWER
					2,467,725
			10	SHARED DISPOSITIVE POWER
					- 0 -
	11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
			2,467,725
	12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES				☐
	13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
			7.2%
	14	TYPE OF REPORTING PERSON
			IN

6

CUSIP No. 25787G100

The following constitutes Amendment No. 1 to the Schedule 13D filed by the undersigned (“Amendment No. 1”). This Amendment No. 1 amends the Schedule 13D as specifically set forth herein.

Item 3. Source and Amount of Funds or Other Consideration.

Item 3 is hereby amended and restated to read as follows:

The Shares purchased by each of Simcoe Partners and SDR Partners were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases. The aggregate purchase price of the 2,335,604 Shares directly owned by Simcoe Partners is approximately $39,952,593, including brokerage commissions. The aggregate purchase price of the 132,121 Shares directly owned by SDR Partners is approximately $2,222,354, including brokerage commissions.

Item 5. Interest in Securities of the Issuer.

Items 5(a) - (c) are hereby amended and restated to read as follows:

The aggregate percentage of Shares reported owned by each person named herein is based upon 34,100,000 Shares outstanding, as of November 2, 2018, which is the total number of Shares outstanding as reported in the Issuer’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 7, 2018.

A. Simcoe Partners

(a) As of the date hereof, Simcoe Partners directly owned 2,335,604 Shares.

Percentage: Approximately 6.8%

(b) 1. Sole power to vote or direct vote: 2,335,604
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 2,335,604
4. Shared power to dispose or direct the disposition: 0

(c) The transactions in the Shares by Simcoe Partners since the filing of the Schedule 13D are set for in Schedule A and are incorporated herein by reference.

B. Simcoe Management

(a) Simcoe Management, as the general partner of Simcoe Partners, may be deemed the beneficial owner of the 2,335,604 Shares owned by Simcoe Partners.

Percentage: Approximately 6.8%

(b) 1. Sole power to vote or direct vote: 2,335,604
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 2,335,604 4. Shared power to dispose or direct the disposition: 0

7

CUSIP No. 25787G100

(c) Simcoe Management has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of Simcoe Partners since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.

C. SDR Partners

(a) As of the date hereof, SDR Partners directly owned 132,121 Shares.

Percentage: Less than 1%

(b) 1. Sole power to vote or direct vote: 132,121
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 132,121
4. Shared power to dispose or direct the disposition: 0

(c) The transactions in the Shares by SDR Partners since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.

D. Simcoe Capital

(a) Simcoe Capital, as the investment manager to each of Simcoe Partners and SDR Partners, may be deemed the beneficial owner of the (i) 2,335,604 Shares owned by Simcoe Partners and (ii) 132,121 Shares owned by SDR Partners.

Percentage: Approximately 7.2%

(b) 1. Sole power to vote or direct vote: 2,467,725
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 2,467,725 4. Shared power to dispose or direct the disposition: 0

(c) Simcoe Capital has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of each of Simcoe Partners and SDR Partners since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.

E. Mr. Jacobowitz

(a) Mr. Jacobowitz, as Managing Member of each of Simcoe Management and Simcoe Capital, may be deemed the beneficial owner of the (i) 2,335,604 Shares owned by Simcoe Partners and (ii) 132,121 Shares owned by SDR Partners.

Percentage: Approximately 7.2%

(b) 1. Sole power to vote or direct vote: 2,467,725
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 2,467,725 4. Shared power to dispose or direct the disposition: 0

8

CUSIP No. 25787G100

(c) Mr. Jacobowitz has not entered into any transactions in the Shares since the filing of the Schedule 13D. The transactions in the Shares on behalf of each of Simcoe Partners and SDR Partners since the filing of the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.

The filing of this Schedule 13D shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer he or it does not directly own. Each of the Reporting Persons specifically disclaims beneficial ownership of the securities reported herein that he or it does not directly own.

9

CUSIP No. 25787G100

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: December 31, 2018

Simcoe Partners, L.P.
By:	Simcoe Management Company, LLC General Partner
By:	/s/ Jeffrey Jacobowitz
	Name:	Jeffrey Jacobowitz
	Title:	Managing Member

Simcoe Management Company, LLC
By:	/s/ Jeffrey Jacobowitz
	Name:	Jeffrey Jacobowitz
	Title:	Managing Member

SDR Partners, LLC
By:	Simcoe Capital Management, LLC Investment Manager
By:	/s/ Jeffrey Jacobowitz
	Name:	Jeffrey Jacobowitz
	Title:	Managing Member

Simcoe Capital Management, LLC
By:	/s/ Jeffrey Jacobowitz
	Name:	Jeffrey Jacobowitz
	Title:	Managing Member

/s/ Jeffrey Jacobowitz

Jeffrey Jacobowitz

10

CUSIP No. 25787G100

SCHEDULE A

Transactions in the Shares Since the Filing of the Schedule 13D

Shares of Common Stock Purchased Price Per Share($) Date of Purchase 

Simcoe Partners, L.P.

228,920	14.5300	12/19/2018
74,512	13.7006	12/21/2018
3,651	13.4991	12/26/2018
36,509	13.6293	12/27/2018
94,628	13.6891	12/28/2018
11,362	13.8041	12/31/2018

SDR PArtners, LLC

11,080	14.5300	12/19/2018
488	13.7006	12/21/2018
149	13.4991	12/26/2018
1,577	13.6293	12/27/2018
4,087	13.6891	12/28/2018
762	13.8041	12/31/2018