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| Pennsylvania                                                  |   | 27-2290659 |
| (State or other jurisdiction ofincorporation or organization) |   | (I.R.S. EmployerIdentification Number) |

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| Title of Each Class                                                                                 |   | Name of Each Exchange on which Registered |
| Voting Common Stock, par value $1.00 per share                                                      |   | New York Stock Exchange |
| Fixed-to-Floating Rate Non-Cumulative PerpetualPreferred Stock, Series C, par value $1.00 per share |   | New York Stock Exchange |
| Fixed-to-Floating Rate Non-Cumulative PerpetualPreferred Stock, Series D, par value $1.00 per share |   | New York Stock Exchange |
| Fixed-to-Floating Rate Non-Cumulative PerpetualPreferred Stock, Series E, par value $1.00 per share |   | New York Stock Exchange |
| Fixed-to-Floating Rate Non-Cumulative PerpetualPreferred Stock, Series F, par value $1.00 per share |   | New York Stock Exchange |

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| Large accelerated filer                                                                                                                                                                                                                          |   | x | Accelerated filer |   |  ̈ |
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| Non-accelerated filer                                                                                                                                                                                                                                      |   |  ̈ | Smaller reporting company |   |  ̈ |
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|                                                                                                                                                                                                                                                       |   |   | Emerging growth company |   |  ̈ |
| If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. |   |  ̈ |

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|          |   | PAGE |
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| PART IV  |   |   |
| Item 15. | Exhibits and Financial Statement Schedules | 3 |
|          | SIGNATURES | 7 |

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|     |                                      |
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| (a) | 1. Consolidated Financial Statements |

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| (b) | 2. Financial Statement Schedules |

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| (c) | Exhibits |

|             |
|-------------|
|             |  |  |
| Exhibit No. |   | Description |
|        |   |
| 2.1         |   | Purchase and Assumption Agreement, dated as of July 9, 2010, by and among Customers Bank, the FDIC as Receiver of USA Bank, and the FDIC acting in its corporate capacity, incorporated by reference to Exhibit 2.3 to the Customers Bancorp Form S-1/A filed with the SEC on January 13, 2011 |
|        |   |   |
| 2.2         |   | Purchase and Assumption Agreement, dated as of September 17, 2010, by and among Customers Bank, the FDIC as Receiver of ISN Bank, and the FDIC acting in its corporate capacity, incorporated by reference to Exhibit 2.4 to the Customers Bancorp Form S-1/A filed with the SEC on January 13, 2011 |
|        |   |   |
| 2.3         |   | Asset Purchase Agreement dated as of December 15, 2015 by and among Customers Bancorp, Customers Bank, Higher One, Inc. and Higher One Holdings, Inc., incorporated by reference to Exhibit 2.3 to the Customers Bancorp Form 10-K filed with the SEC on February 26, 2016 |
|        |   |   |
| 2.4         |    | Purchase and Assumption Agreement dated as of March 7, 2017 among Flagship Community Bank, Customers Bank and Customers Bancorp, Inc., incorporated by reference to Exhibit 2.1 to the Customers Bancorp 8-K filed with the SEC on March 8, 2017 |
|        |   |   |
| 2.5         |    | Amended and Restated Purchase and Assumption Agreement and Plan of Merger dated as of November 17, 2017 among Flagship Community Bank, BankMobile Technologies, Inc, Customers Bank and Customers Bancorp, Inc., incorporated by reference to Exhibit 2.1 to the Customers Bancorp 8-K filed with the SEC on November 20, 2017 |
|        |   |   |
| 2.6         |   | Letter Agreement, dated as of August 7, 2018, by and between Flagship Bank, BankMobile Technologies, Inc., Customers Bank, and Customers Bancorp, Inc., incorporated by reference to Exhibit 3.8 to Customers Bancorp Inc.'s Form 10-Q filed with the SEC on August 9, 2018 |
|        |   |   |
| 3.1         |    | Amended and Restated Articles of Incorporation of Customers Bancorp, incorporated by reference to Exhibit 3.1 to the Customers Bancorp’s Form 8-K filed with the SEC on April 30, 2012 |
|        |   |   |
| 3.2         |   | Amended and Restated Bylaws of Customers Bancorp, incorporated by reference to Exhibit 3.2 to the Customers Bancorp’s Form 8-K filed with the SEC on April 30, 2012 |
|        |   |   |
| 3.3         |   | Articles of Amendment to the Amended and Restated Articles of Incorporation of Customers Bancorp, Inc., incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on July 2, 2012 |
|        |   |   |
| 3.4         |   | Statement with Respect to Shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series C, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on May 18, 2015 |
|        |   |   |
| 3.5         |   | Statement with Respect to Shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on January 29, 2016 |
|        |   |   |
| 3.6         |   | Statement with Respect to Shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series E, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on April 28, 2016 |
|        |   |   |
| 3.7         |   | Statement with Respect to Shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series F, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on September 16, 2016 |
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| Exhibit No. |   | Description |
| 4.1         |   | Specimen stock certificate of Customers Bancorp, Inc. Voting Common Stock and Class B Non-Voting Common Stock, incorporated by reference to Exhibit 4.1 to the Customers Bancorp Form S-1/A filed with the SEC on May 1, 2012 |
|        |   |
| 4.2         |   | Form of Warrant issued to investors in New Century Bank’s March and February 2010 private offerings, 2009 private offering, and in partial exchange for New Century Bank’s shares of 10% Series A Non-Cumulative Perpetual Convertible Preferred Stock in June 2009, incorporated by reference to Exhibit 4.8 to the Customers Bancorp Form S-1 filed with the SEC on April 22, 2010 |
|        |   |
| 4.3         |   | Warrants issued to Jay S. Sidhu, June 30, 2009, incorporated by reference to Exhibit 4.9 to the Customers Bancorp Form S-1 filed with the SEC on April 22, 2010 |
|        |   |
| 4.4         |   | Indenture, dated as of July 30, 2013, by and between Customers Bancorp, Inc., as Issuer, and Wilmington Trust, National Association, as Trustee, incorporated by reference to Exhibit 4.1 to the Customers Bancorp Form 8-K filed with the SEC on July 31, 2013 |
|        |   |
| 4.5         |   | First Supplemental Indenture, dated as of July 30, 2013, by and between Customers Bancorp, Inc., as Issuer, and Wilmington Trust, National Association, as Trustee, incorporated by reference to Exhibit 4.2 to the Customers Bancorp Form 8-K filed with the SEC on July 31, 2013 |
|        |   |
| 4.6         |    | 6.375% Global Note in aggregate principal amount of $55,000,000, incorporated by reference to Exhibit 4.3 to the Customers Bancorp Form 8-K filed with the SEC on July 31, 2013 |
|        |   |   |
| 4.7         |    | Amendment to First Supplemental Indenture, dated August 27, 2013, by and between Customers Bancorp, Inc. and Wilmington Trust Company, National Association, as trustee, incorporated by reference to Exhibit 4.1 to the Customers Bancorp Form 8-K filed with the SEC on August 29, 2013 |
|        |   |   |
| 4.8         |    | 6.375% Global Note in aggregate principal amount of $8,250,000, incorporated by reference to Exhibit 4.2 to the Customers Bancorp Form 8-K filed with the SEC on August 29, 2013 |
|        |   |   |
| 4.9         |    | Form of Note Subscription Agreement (including form of Subordinated Note Certificate and Senior Note Certificate), incorporated by reference to Exhibit 10.1 to the Customers Bancorp Form 8-K filed with the SEC on June 26, 2014 |
|        |   |
| 4.10        |   | Second Supplemental Indenture, dated as of June 30, 2017, by and between Customers Bancorp, Inc, as Issuer, and Wilmington Trust, National Association, as Trustee, incorporated by reference to Exhibit 4.1 to the Customers Bancorp Form 8-K filed with the SEC on June 30, 2017 |
|        |   |   |
| 10.1+       |   | Customers Bancorp, Inc. 2010 Stock Option Plan, incorporated by reference to Exhibit 10.2 to the Customers Bancorp Form 10-K filed with the SEC on March 21, 2012 |
|        |   |   |
| 10.2+       |   | Amended and Restated Employment Agreement, dated as of March 26, 2012, by and between Customers Bancorp, Inc. and Jay S. Sidhu, incorporated by reference to Exhibit 10.3 to the Customers Bancorp Form S-1 filed with the SEC on March 28, 2012 |
|        |   |
| 10.3+       |   | Amended and Restated Employment Agreement, dated as of March 26, 2012, by and between Customers Bancorp, Inc. and Richard Ehst, incorporated by reference to Exhibit 10.4 to the Customers Bancorp Form S-1 filed with the SEC on March 28, 2012 |
|        |   |
| 10.4+       |   | Amended and Restated Customers Bancorp, Inc. 2004 Incentive Equity and Deferred Compensation Plan, incorporated by reference to Exhibit 10.7 to the Customers Bancorp Form 10-K filed with the SEC on March 21, 2012 |
|        |   |
| 10.5+       |   | Form of Restricted Stock Unit Award Agreement for Employees relating to the 2012 Special Stock Reward Program, incorporated by reference to Exhibit 10.25 to the Customers Bancorp Form S-1/A filed with the SEC on May 1, 2012 |
|        |   |
| 10.6+       |   | Bonus Recognition and Retention Plan, incorporated by reference to Exhibit 10.15 to the Customers Bancorp Form 10-K filed with the SEC on March 21, 2012 |
|        |   |   |
| 10.7+       |   | Supplemental Executive Retirement Plan of Jay S. Sidhu, incorporated by reference to Exhibit 10.15 to the Customers Bancorp Form S-1/A filed with the SEC on April 18, 2011 |
|        |   |
| 10.8+       |   | Form of Restricted Stock Unit Award Agreement for Directors relating to the 2012 Special Stock Reward Program, incorporated by reference to Exhibit 10.26 to the Customers Bancorp Form S-1/A filed with the SEC on May 1, 2012 |
|        |   |
| 10.9+       |   | Form of Stock Option Agreement, incorporated by reference to Exhibit 10.18 to the Customers Bancorp Form 10-K filed with the SEC on March 21, 2012 |
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| Exhibit No. |   | Description |
| 10.10+      |   | Form of Restricted Stock Unit Award Agreement, incorporated by reference to Exhibit 10.17 to the Customers Bancorp Form 10-K filed with the SEC on March 21, 2012 |
|        |   |
| 10.11+      |   | Change of Control Agreement, dated as of January 30, 2013, by and between Customers Bancorp, Inc. and Glenn Hedde, incorporated by reference to Exhibit 10.29 to Customers Bancorp’s Form 10-K filed with the SEC on March 18, 2013 |
|        |   |   |
| 10.12+      |   | Change of Control Agreement, dated as of January 30, 2013, by and between Customers Bancorp, Inc. and Warren Taylor, incorporated by reference to Exhibit 10.30 to Customers Bancorp’s Form 10-K filed with the SEC on March 18, 2013 |
|        |   |
| 10.13+      |   | Change of Control Agreement, dated as of December 22, 2012, by and between Customers Bancorp, Inc. and Ken Keiser, incorporated by reference to Exhibit 10.14 to the Customers Bancorp Form 10-K filed with the SEC on February 26, 2016 |
|        |   |   |
| 10.14+      |   | Employment Agreement, dated as of August 5, 2013, by and between Customers Bancorp, Inc. and Robert Wahlman, incorporated by reference to Exhibit 10.15 to the Customers Bancorp Form 10-K filed with the SEC on February 26, 2016 |
|        |   |   |
| 10.15+      |   | Employment Agreement, dated as of March 1, 2014, by and between Customers Bancorp, Inc. and Steven Issa, incorporated by reference to Exhibit 10.16 to the Customers Bancorp Form 10-K filed with the SEC on February 26, 2016 |
|        |   |   |
| 10.16+      |   | Amendment to Employment Agreement, dated as of February 26, 2016, by and between Customers Bancorp, Inc. and Steven Issa, incorporated by reference to Exhibit 10.17 to the Customers Bancorp Form 10-K filed with the SEC on February 26, 2016 |
|        |   |   |
| 10.17       |   | Transition Services Agreement dated as of June 15, 2016 by and among Customers Bancorp, Customers Bank, Higher One, Inc. and Higher One Holdings, Inc.,  incorporated by reference to Exhibit 10.1 to the Customers Bancorp’s Form 8-K filed with the SEC on June 16, 2016 |
|        |   |   |
| 10.18       |   | Order to Cease and Desist and Order of Assessment of Civil Money Penalty Issued Upon Consent Dated December 2, 2016, incorporated by reference to Exhibit 10.1 to the Customers Bancorp Form 8-K filed with the SEC on December 7, 2016 |
|        |   |   |
| 10.19+      |   | Amended and Restated Employment Agreement, dated as of December 30, 2016, by and between Customers Bancorp, Inc. and Richard Ehst, incorporated by reference to Exhibit 10.2 to the Customers Bancorp Form 8-K filed with the SEC on December 30, 2016 |
|        |   |   |
| 10.20+      |   | Amended and Restated Employment Agreement, dated as of December 30, 2016, by and between Customers Bancorp, Inc. and Jay S. Sidhu. incorporated by reference to Exhibit 10.1 to the Customers Bancorp Form 8-K filed with the SEC on December 30, 2016 |
|        |   |   |
| 10.21+      |   | Letter Agreement, dated as of December 30, 2016, by and between Customers Bancorp, Inc. and Jay S. Sidhu. incorporated by reference to Exhibit 10.3 to the Customers Bancorp Form 8-K filed with the SEC on December 30, 2016 |
|        |   |   |
| 10.22*      |   | Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of February 24, 2017 |
|        |   |   |
| 10.23*      |   | First Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of September 30, 2017 |
|        |   |   |
| 10.24*      |   | Second Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of October 24, 2017 |
|        |   |   |
| 10.25*      |   | Third Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of December 21, 2017 |
|        |   |   |
| 10.26*      |   | Fourth Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of December 1, 2018 |
|        |   |   |
| 10.27*      |   | Fifth Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of August 16, 2018 |
|        |   |   |
| 10.28*      |   | Sixth Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of September 28, 2018 |
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| Exhibit No. |   | Description |
| 10.29*      |   | Seventh Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of September 28, 2018 |
|        |   |   |
| 10.30*      |   | Eighth Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of December 9, 2018 |
|        |   |   |
| 10.31*      |   | Ninth Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of September 28, 2018 |
|        |   |   |
| 10.32*      |   | Tenth Amendment to Private Label Banking Program Agreement by and between Customers Bank and T-Mobile USA, Inc. dated as of December 27, 2018 |
|        |   |   |
| 10.33+      |   | Separation of Employment dated as of December 7, 2018 by and between Customers Bancorp, Inc. and Robert Wahlman, incorporated by reference to Exhibit 10.1 to the Customers Bancorp, Inc. Form 8-K filed with the SEC on December 11, 2018 |
|        |   |   |
| 10.34**     |   | Change of Control Agreement, dated as of August 14, 2017 by and between Customers Bancorp, Inc. and Carla A. Leibold |
|        |   |   |
| 21.1        |   | List of Subsidiaries of Customers Bancorp, Inc. |
|        |   |
| 23.1**      |   | Consent of BDO USA, LLP |
|        |   |
| 31.1        |   | Certification of the Chief Executive Officer Pursuant to Exchange Act Rule 13a-14(a) or Rule 15d-14(a) |
|        |   |
| 31.2        |   | Certification of the Chief Financial Officer Pursuant to Exchange Act Rule 13a-14(a) or Rule 15d-14(a) |
|        |   |
| 32.1***     |   | Certification of the Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 |
|        |   |
| 32.2***     |   | Certification of the Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 |
|        |   |
| 101**       |   | Interactive Data Files regarding (a) Balance Sheets as of December 31, 2018 and 2017, (b) Statements of Income for the years ended December 31, 2018, 2017 and 2016, (c) Statements of Comprehensive Income for the years ended December 31, 2018, 2017 and 2016, (d) Statements of Cash Flows for the years ended December 31, 2018, 2017 and 2016, (e) Statements of Changes in Shareholders’ Equity for the years ended December 31, 2018, 2017 and 2016 and (f) Notes to Financial Statements for the years ended December 31, 2018, 2017 and 2016. |
|        |   |   |
| +           |   | Management Contract or compensatory plan or arrangement |
|        |   |   |
| *           |   | Certain identified information has been excluded from this Exhibit because it is both (i) not material and (ii) would be competitively harmful if publicly disclosed. |
|        |   |   |
| **          |   | Filed as an exhibit to the Original 2018 Form 10-K |
|        |   |   |
| ***         |   | Furnished as an exhibit to the Original 2018 Form 10-K |

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|                | Customers Bancorp, Inc. |
|                |   |   |
| April 24, 2019 | By: |   | /s/ Jay S. Sidhu |
|                | Name: |   | Jay S. Sidhu |
|                | Title: |   | Chairman and Chief Executive Officer |
|                |   |
|                | Customers Bancorp, Inc. |
|                |   |   |
| April 24, 2019 | By: |   | /s/ Carla A. Leibold |
|                | Name: |   | Carla A. Leibold |
|                | Title: |   | Chief Financial Officer and Treasurer |