UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

Amendment No. 1

(Mark One)

x                              QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2014

Or

o                                 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from              to

Commission File Number 001-36295

Egalet Corporation

(Exact Name of Registrant as Specified in Its Charter)

Registrant’s telephone number, including area code: (610) 833-4200

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x  No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x  No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.:

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o  No x

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practical date.

Common Stock, $0.001 par value                                 Shares outstanding as of May 15, 2014: 17,258,663

Explanatory Note

This Form 10-Q/A amends the Quarterly Report on Form 10-Q of Egalet Corporation for the quarter ended March 31, 2014 filed on May 15, 2014 for the sole purpose of furnishing Exhibit 101. Exhibit 101 to this report provides financial information formatted in Extensible Business Reporting Language (XBRL) in accordance with Rule 405 of Regulation S-T.

This Amendment No. 1 does not reflect any events occurring subsequent to the May 15, 2014 filing date of the original Form 10-Q for the quarter ended March 31, 2014 or in any way modify or update disclosures made in the original Form 10-Q filing for the quarter ended March 31, 2014.

Users of this data are advised that pursuant to Rule 406T of Regulation S-T, Exhibit 101 to this report is deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 and 12 of the Securities Act of 1933, as amended (the “Securities Act”), is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and is otherwise not subject to liability under these sections, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

ITEM 6.  EXHIBITS

The following is a list of exhibits filed as part of this Quarterly Report on Form 10-Q. Where so indicated by footnote, exhibits that were previously filed are incorporated by reference. For exhibits incorporated by reference, the location of the exhibit in the previous filing is indicated.

*                                         Previously filed with the Registrant’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2014 filed on May 15, 2014.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: June 11, 2014

EXHIBIT INDEX

*                                         Previously filed with the Registrant’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2014 filed on May 15, 2014.