UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 30, 2007

Rex Energy Corporation

(Exact name of registrant as specified in its charter)

Delaware	001-33610	20-8814402
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

1975 Waddle Road

State College, Pennsylvania 16803

(Address, including zip code, of principal executive offices)

Registrant’s telephone number, including area code: (814) 278-7267

Not applicable

(Former name or former address, if changed since last report)

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events.

On July 30, 2007 Rex Energy Corporation issued a press release announcing the closing of its initial public offering of 9,600,000 shares of common stock.

The foregoing is qualified by reference to Exhibit 99.1 to this Current Report on Form 8-K, which is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

(a) Financial Statements of Business Acquired.

Not applicable.

(b) Pro Forma Financial Information.

Not applicable.

(c) Shell Company Transactions.

Not applicable.

(d) Exhibits.

Exhibit Number	Exhibit Title
99.1	Press Release of Rex Energy Corporation dated July 30, 2007 announcing the closing of its initial public offering of 9,600,000 shares of common stock.

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 hereunto duly authorized.

REX ENERGY CORPORATION
By:	/s/ Christopher K. Hulburt
	Christopher K. Hulburt,
	Executive Vice President, Secretary and General Counsel

Date: July 30, 2007

EXHIBIT INDEX

Exhibit Number	Exhibit Title
99.1	Press Release of Rex Energy Corporation dated July 30, 2007 announcing the closing of its initial public offering of 9,600,000 shares of common stock.