SEC Filing | Salarius Pharmaceuticals, Inc.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. __)*

SALARIUS PHARMACEUTICALS, INC.

(Name of Issuer)

COMMON STOCK, PAR VALUE $0.0001 PER SHARE

(Title of Class of Securities)

79400X107

(CUSIP Number)

April 22, 2022

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

	¨	Rule 13d-1(b)
	x	Rule 13d-1(c)
	¨	Rule 13d-1(d)

* 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 the 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).

(Page 1 of 13 Pages)

SCHEDULE 13G

CUSIP NO. 79400X107			Page 2 of 13
1	NAMES OF REPORTING PERSONS Lincoln Park Capital Fund, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ¨ (b) ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Illinois
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 2,969,718
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 2,969,718
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,969,718
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.98%
12	TYPE OF REPORTING PERSON OO

SCHEDULE 13G

CUSIP NO. 79400X107			Page 3 of 13
1	NAMES OF REPORTING PERSONS Lincoln Park Capital, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ¨ (b) ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Illinois
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 2,969,718
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 2,969,718
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,969,718
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.98%
12	TYPE OF REPORTING PERSON OO

SCHEDULE 13G

CUSIP NO. 79400X107			Page 4 of 13
1	NAMES OF REPORTING PERSONS Rockledge Capital Corporation
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ¨ (b) ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Texas
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 2,969,718
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 2,969,718
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,969,718
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.98%
12	TYPE OF REPORTING PERSON CO

SCHEDULE 13G

CUSIP NO. 79400X107			Page 5 of 13
1	NAMES OF REPORTING PERSONS Joshua B. Scheinfeld
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ¨ (b) ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 2,969,718
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 2,969,718
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,969,718
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.98%
12	TYPE OF REPORTING PERSON IN

SCHEDULE 13G

CUSIP NO. 79400X107			Page 6 of 13
1	NAMES OF REPORTING PERSONS Alex Noah Investors, Inc.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ¨ (b) ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Illinois
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 2,969,718
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 2,969,718
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,969,718
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.98%
12	TYPE OF REPORTING PERSON CO

SCHEDULE 13G

CUSIP NO. 79400X107			Page 7 of 13
1	NAMES OF REPORTING PERSONS Jonathan I. Cope
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ¨ (b) ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 2,969,718
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 2,969,718
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,969,718
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.98%
12	TYPE OF REPORTING PERSON IN

SCHEDULE 13G

CUSIP NO. 79400X107			Page 8 of 13

Item 1.
	(a)	Name of Issuer:

		Salarius Pharmaceuticals, Inc., a Delaware corporation (“Issuer”)

	(b)	Address of Issuer’s Principal Executive Offices:

		2450 Holcombe Blvd., Suite X, Houston, Texas 77021
Item 2.
	(a)	Name of Person Filing:

		Lincoln Park Capital Fund, LLC (“LPC Fund”)
		Lincoln Park Capital, LLC (“LPC”)
		Rockledge Capital Corporation (“RCC”)
		Joshua B. Scheinfeld (“Mr. Scheinfeld”)
		Alex Noah Investors, Inc. (“Alex Noah”)
		Jonathan I. Cope (“Mr. Cope” and, collectively with LPC Fund, LPC, RCC, Mr. Scheinfeld and Alex Noah, the “Reporting Persons”)

	(b)	Address of Principal Business Office, or if None, Residence:

		The address of the principal business office of each of the Reporting Persons is:
		440 North Wells, Suite 410
		Chicago, Illinois 60654

	(c)	Citizenship:

		LPC Fund is an Illinois limited liability company
		LPC is an Illinois limited liability company
		RCC is a Texas corporation
		Mr. Scheinfeld is a United States citizen

SCHEDULE 13G

CUSIP NO. 79400X107			Page 9 of 13

		Alex Noah is an Illinois corporation
		Mr. Cope is a United States citizen

	(d)	Title of Class of Securities:

		Common Stock, Par Value $0.0001 Per Share (“Common Stock”)

	(e)	CUSIP Number:

		79400X107

Item 3.

If this statement is filed pursuant to §§240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:

(a)	¨	Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o).
(b)	¨	Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).
(c)	¨	Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c).
(d)	¨	Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e)	¨	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
(f)	¨	An employee benefit plan or endowment fund in accordance with §240. 13d-1(b)(1)(ii)(F);
(g)	¨	A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
(h)	¨	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	¨	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	¨	A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);
(k)	¨	Group, in accordance with §240.13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution ______________________

SCHEDULE 13G

CUSIP NO. 79400X107

Page 10 of 13

Item 4. Ownership.

Reporting person	Amount beneficially owned¹:		Percent of class²:			Sole power to vote or direct the vote:		Shared power to vote or to direct the vote:		Sole power to dispose or to direct the disposition of:		Shared power to dispose or to direct the disposition of:
Lincoln Park Capital Fund, LLC		2,969,718		5.98	%		0		2,969,718		0		2,969,718
Lincoln Park Capital, LLC		2,969,718		5.98	%		0		2,969,718		0		2,969,718
Rockledge Capital Corporation		2,969,718		5.98	%		0		2,969,718		0		2,969,718
Joshua B. Scheinfeld		2,969,718		5.98	%		0		2,969,718		0		2,969,718
Alex Noah Investors, Inc.		2,969,718		5.98	%		0		2,969,718		0		2,969,718
Jonathan I. Cope		2,969,718		5.98	%		0		2,969,718		0		2,969,718

Represents 2,969,718 shares of Common Stock purchased by LPC Fund directly from the Issuer in a registered direct offering of Common Stock on April 22, 2022 (the “Registered Direct Offering”).

Based on the information contained in the Issuer’s preliminary proxy statement filed with the Securities and Exchange Commission on April 15, 2022, there was a total of 46,697,194 shares of common stock outstanding as of March 31, 2022, which number of outstanding shares excludes the 2,969,718 shares of Common Stock that were purchased by LPC Fund directly from the Issuer in the Registered Direct Offering. The percentage is calculated as of April 22, 2022, and includes the 2,969,718 shares of Common Stock which were purchased by LPC Fund directly from the Issuer in the Registered Direct Offering and are currently outstanding.

SCHEDULE 13G

CUSIP NO. 79400X107

Page 11 of 13

As of April 22, 2022, LPC Fund beneficially owned, directly, 2,969,718 shares of Common Stock that were purchased by LPC Fund directly from the Issuer in the Registered Direct Offering. This amount excludes 2,227,289 shares of Common Stock issuable upon exercise of Common Stock purchase warrants (the “Warrants”) purchased by LPC Fund in a private placement occurring concurrently with the Registered Direct Offering on April 22, 2022 (the “Private Placement”), which will become exercisable on October 26, 2022 at a price of $0.3399 per share, but which may not be exercised if, after such exercise, LPC Fund would beneficially own more than 4.99% of the number of shares of Common Stock issued and outstanding.

LPC is the Managing Member of LPC Fund. RCC and Alex Noah are the Managing Members of LPC. Mr. Scheinfeld is the president and sole shareholder of RCC, as well as a principal of LPC. Mr. Cope is the president and sole shareholder of Alex Noah, as well as a principal of LPC. As a result of the foregoing, Mr. Scheinfeld and Mr. Cope have shared voting and shared investment power over the shares of Common Stock of the Issuer held directly by LPC Fund.

Pursuant to Section 13(d) of the Act and the rules thereunder, each of LPC, RCC, Mr. Scheinfeld, Alex Noah, and Mr. Cope may be deemed to be a beneficial owner of the shares of Common Stock of the Issuer beneficially owned directly by LPC Fund.

The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of any shares of Common Stock owned by another Reporting Person. Pursuant to Rule 13d-4 of the Act, each of LPC, RCC, Mr. Scheinfeld, Alex Noah, and Mr. Cope disclaims beneficial ownership of the shares of Common Stock of the Issuer held directly by LPC Fund.

SCHEDULE 13G

CUSIP NO. 79400X107		Page 12 of 13

Item 5.	Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following ¨.

Item 6.	Ownership of More Than Five Percent on Behalf of Another Person.

	Not applicable.

Item 7.	Identification and Classification of Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

	Not applicable.

Item 8.	Identification and Classification of Members of the Group.

	Not applicable.

Item 9.	Notice of Dissolution of Group.

	Not applicable.

Item 10.	Certifications.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SCHEDULE 13G

CUSIP NO. 79400X107

Page 13 of 13

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.

Dated: April 27, 2022

LINCOLN PARK CAPITAL FUND, LLC			LINCOLN PARK CAPITAL, LLC

BY:	LINCOLN PARK CAPITAL, LLC		BY:	ROCKLEDGE CAPITAL CORPORATION

BY:	ROCKLEDGE CAPITAL CORPORATION


By:	/s/ Joshua B. Scheinfeld		By:	/s/ Joshua B. Scheinfeld
	Name:	Joshua B. Scheinfeld		Name:	Joshua B. Scheinfeld
	Title:	President		Title:	President

LINCOLN PARK CAPITAL FUND, LLC			LINCOLN PARK CAPITAL, LLC

BY:	LINCOLN PARK CAPITAL, LLC		BY:	ALEX NOAH INVESTORS, INC.

BY:	ALEX NOAH INVESTORS, INC.


By:	/s/ Jonathan I. Cope		By:	/s/ Jonathan I. Cope
	Name:	Jonathan I. Cope		Name:	Jonathan I. Cope
	Title:	President		Title:	President

ROCKLEDGE CAPITAL CORPORATION			ALEX NOAH INVESTORS, INC.


By:	/s/ Joshua B. Scheinfeld		By:	/s/ Jonathan I. Cope
	Name:	Joshua B. Scheinfeld		Name:	Jonathan I. Cope
	Title:	President		Title:	President

JOSHUA B. SCHEINFELD			JONATHAN I. COPE


By:	/s/ Joshua B. Scheinfeld		By:	/s/ Jonathan I. Cope
	Name:	Joshua B. Scheinfeld		Name:	Jonathan I. Cope
	Title:	President		Title:	President

LIST OF EXHIBITS

Exhibit No.	Description

1	Joint Filing Agreement

EXHIBIT 1

Joint Filing Agreement

The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13G, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

In accordance with Rule 13d-1(k)(1) promulgated under the Securities and Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with each other on behalf of each of them of such Schedule 13G with respect to the Ordinary Shares of the Issuer, beneficially owned by each of them. This Joint Filing Agreement shall be included as an exhibit to such Schedule 13G.

[Signature Page Follows]

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of April 27, 2022.

LINCOLN PARK CAPITAL FUND, LLC			LINCOLN PARK CAPITAL, LLC

BY:	LINCOLN PARK CAPITAL, LLC		BY:	ROCKLEDGE CAPITAL CORPORATION

BY:	ROCKLEDGE CAPITAL CORPORATION


By:	/s/ Joshua B. Scheinfeld		By:	/s/ Joshua B. Scheinfeld
	Name:	Joshua B. Scheinfeld		Name:	Joshua B. Scheinfeld
	Title:	President		Title:	President

LINCOLN PARK CAPITAL FUND, LLC			LINCOLN PARK CAPITAL, LLC

BY:	LINCOLN PARK CAPITAL, LLC		BY:	ALEX NOAH INVESTORS, INC.

BY:	ALEX NOAH INVESTORS, INC.


By:	/s/ Jonathan I. Cope		By:	/s/ Jonathan I. Cope
	Name:	Jonathan I. Cope		Name:	Jonathan I. Cope
	Title:	President		Title:	President

ROCKLEDGE CAPITAL CORPORATION			ALEX NOAH INVESTORS, INC.


By:	/s/ Joshua B. Scheinfeld		By:	/s/ Jonathan I. Cope
	Name:	Joshua B. Scheinfeld		Name:	Jonathan I. Cope
	Title:	President		Title:	President

JOSHUA B. SCHEINFELD			JONATHAN I. COPE


By:	/s/ Joshua B. Scheinfeld		By:	/s/ Jonathan I. Cope
	Name:	Joshua B. Scheinfeld		Name:	Jonathan I. Cope
	Title:	President		Title:	President