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 UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

(Amendment No. 1)

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

For the quarterly period ended September 30, 2011

Commission file number 333-148302

1^st Century Bancshares, Inc.

(Exact name of registrant as specified in its charter)

1875 Century Park East, Suite 1400

Los Angeles, California  90067

(Address of principal executive offices)

(Zip Code)

(310) 270-9500

(Registrant’s telephone number, including area code)

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 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.  (Check one):

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

9,043,322 shares of common stock of the registrant were outstanding as of November 4, 2011.

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EXPLANATORY NOTE

This Form 10Q/A amends the Quarterly Report on Form 10-Q of 1^st Century Bancshares, Inc. for the quarterly period ended September 30, 2011 (the “Form 10-Q”), filed with the U.S. Securities and Exchange Commission on November 8, 2011, for the sole purpose of furnishing the Interactive Data Files as Exhibit 101 in accordance with Rule 405 of Regulation S-T.  Exhibit 101 provides the financial statements and related notes from the Form 10-Q formatted in eXtensible Business Reporting Language (XBRL).

No other changes are being made to the Form 10-Q other than furnishing the exhibit described above.  This Form 10-Q/A speaks as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update in any way disclosures made in the Form 10-Q.

The interactive data files on Exhibit 101 hereto are not deemed filed with the U.S. Securities and Exchange Commission and are not to be incorporated by reference into any filing of 1^st Century Bancorp, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

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Item 6.

Exhibits

31.1

Chief Executive Officer Certification required under Section 302 of the Sarbanes—Oxley Act of 2002^{. (1)}

31.2

Chief Operating Officer Certification required under Section 302 of the Sarbanes—Oxley Act of 2002. ⁽¹⁾

31.3

Principal Financial Officer Certification required under Section 302 of the Sarbanes—Oxley Act of 2002. ⁽¹⁾

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Chief Executive Officer, Chief Operating Officer and Principal Financial Officer Certification required under Section 906 of the Sarbanes—Oxley Act of 2002. ⁽¹⁾

101.INS

XBRL Instance Document ⁽²⁾

101.SCH

XBRL Taxonomy Extension Schema Document ⁽²⁾

101.CAL

XBRL Taxonomy Extension Calculation Linkbase Document ⁽²⁾

101.DEF

XBRL Taxonomy Extension Definition Linkbase Document ⁽²⁾

101.LAB

XBRL Taxonomy Extension Label Linkbase Document ⁽²⁾

101.PRE

XBRL Taxonomy Extension Presentation Linkbase Document ⁽²⁾

⁽¹⁾  These exhibits were previously included or incorporated by reference in 1^st Century Bancshares, Inc.’s Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2011, filed with the U.S. Securities and Exchange Commission on November 8, 2011.

⁽²⁾  Furnished herewith.

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SIGNATURES

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 thereunto duly authorized.

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