As filed with the Securities and Exchange Commission on August 1, 2019

Registration No. 033-18775

Registration No. 033-14203

Registration No. 033-22375

Registration No. 033-40403

Registration No. 033-43030

Registration No. 033-53986

Registration No. 033-57633

Registration No. 033-63767

Registration No. 333-29915

Registration No. 333-62792

Registration No. 333-72394

Registration No. 333-113748

Registration No. 333-146741

Registration No. 333-154929

Registration No. 333-160237

Registration No. 333-168893

Registration No. 333-184675

Registration No. 333-184676

Registration No. 333-205796

Registration No. 333-208142

Registration No. 333-216598

Registration No. 333-226436

Registration No. 333-226437

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

POST-EFFECTIVE AMENDMENT NO. 1 to:

Form S-8 Registration Statement No. 033-18775

Form S-8 Registration Statement No. 033-14203

Form S-8 Registration Statement No. 033-22375

Form S-8 Registration Statement No. 033-40403

Form S-8 Registration Statement No. 033-43030

Form S-8 Registration Statement No. 033-53986

Form S-8 Registration Statement No. 033-57633

Form S-8 Registration Statement No. 033-63767

Form S-8 Registration Statement No. 333-29915

Form S-8 Registration Statement No. 333-62792

Form S-8 Registration Statement No. 333-72394

Form S-8 Registration Statement No. 333-113748

Form S-8 Registration Statement No. 333-146741

Form S-8 Registration Statement No. 333-154929

Form S-8 Registration Statement No. 333-160237

Form S-8 Registration Statement No. 333-168893

Form S-8 Registration Statement No. 333-184675

Form S-8 Registration Statement No. 333-184676

Form S-8 Registration Statement No. 333-205796

Form S-8 Registration Statement No. 333-208142

Form S-8 Registration Statement No. 333-216598

Form S-8 Registration Statement No. 333-226436

Form S-8 Registration Statement No. 333-226437

UNDER

THE SECURITIES ACT OF 1933

TCF FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	41-1591444
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)

200 Lake Street East, Mail Code EX0-03-A, Wayzata, MN 55391-1693

(Address of Principal Executive Offices) (Zip Code)

TCF Employee Stock Bonus Plan - 401(K)

Stock Option and Incentive Plan of TCF Financial

TCF Employee Stock Ownership Plan - 401(K)

Supplemental Employee Retirement Plan

The Great Lakes Bancorp 401(K) Savings and Investment Plan

TCF Financial 1995 Incentive Stock Program

Winthrop Resources Corporation 1992 Stock Incentive Plan

TCF Employees Stock Purchase Plan (F/K/A TCF Employees Stock Ownership Plan - 401(K)) and Supplemental Employees Retirement Plan

TCF Employees Stock Purchase Plan - Supplemental Plan

TCF Financial Incentive Stock Program

TCF Financial 2015 Omnibus Incentive Plan

TCF 401k Supplemental Plan

TCF 401k Plan

Amended and Restated TCF Financial 2015 Omnibus Incentive Plan

(Full title of the plan)

Craig R. Dahl

Chief Executive Officer and President

TCF Financial Corporation

333 W. Fort Street, Suite 1800

Detroit, Michigan 48226

(Name and address of agent for service)

(800) 867-9757

(Telephone number, including area code, of agent for service)

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

Large accelerated filer	☑	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		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 7(a)(2)(B) of the Securities Act. ☐

EXPLANATORY NOTE

DEREGISTRATION OF SECURITIES

This Post-Effective Amendment No.1 relates to the following Registration Statements on Form S-8 (collectively, the "Registration Statements") of TCF Financial Corporation, a Delaware corporation (the "Registrant" or "Legacy TCF"):

• File No. 033-18775, filed with the Securities and Exchange Commission (the "Commission") on November 27, 1987, registering an indeterminable number of shares of the Registrant’s common stock, $0.01 par value (the "Common Stock"), that may be purchased from time to time under the TCF Employee Stock Bonus Plan - 401(K);

• File No. 033-14203, filed with the Commission on November 27, 1987, registering 643,321 shares of Common Stock under the Stock Option and Incentive Plan of TCF Financial;

• File No. 033-22375, filed with the Commission on June 8, 1988, registering 298,500 shares of Common Stock under the Stock Option and Incentive Plan of TCF Financial;

• File No. 033-40403, filed with the Commission on May 6, 1991, registering 300,000 shares of Common Stock under the Stock Option and Incentive Plan of TCF Financial;

• File No. 033-43030, filed with the Commission on September 30, 1991, registering 550,000 shares of common stock under the TCF Employee Stock Ownership Plan - 401(K) and Supplemental Employee Retirement Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plans described therein;

• File No. 033-53986, filed with the Commission on November 2, 1992, registering 300,000 shares of Common Stock under the Stock Option and Incentive Plan of TCF Financial;

• File No. 033-57633, filed with the Commission on February 8, 1995, registering 25,516 shares of Common Stock (and related preferred share purchase rights associated with the Common Stock) under The Great Lakes Bancorp 401(K) Savings and Investment Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plan described therein;

• File No. 033-63767, filed with the Commission on October 27, 1995, registering 873,254 shares of Common Stock on a post-split basis (and related preferred share purchase rights associated with the Common Stock) under the TCF Financial 1995 Incentive Stock Program;

• File No. 333-29915, filed with the Commission on June 24, 1997, registering 349,082 shares of Common Stock (and related preferred share purchase rights associated with the Common Stock) under the Winthrop Resources Corporation 1992 Stock Incentive Plan;

• File No. 333-62792, filed with the Commission on June 12, 2001, registering 2,500,000 shares of Common Stock (and related preferred share purchase rights associated with the Common Stock) under the TCF Financial 1995 Incentive Stock Program;

• File No. 333-72394, filed with the Commission on October 29, 2001, registering 750,000 shares of Common Stock (and related preferred share purchase rights associated with the Common Stock) under the TCF Employees Stock Purchase Plan (F/K/A TCF Employees Stock Ownership Plan - 401(K)) and Supplemental Employees Retirement Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plans described therein;

• File No. 333-113748, filed with the Commission on March 19, 2004, registering 1,000,000 shares of Common Stock (and related preferred share purchase rights associated with the Common Stock) under the TCF Employees Stock Purchase Plan and Supplemental Employees Retirement Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plans described therein;

• File No. 333-146741, filed with the Commission on October 16, 2007, registering 2,000,000 shares of Common Stock (and related preferred share purchase rights associated with the Common Stock) under the TCF Employees Stock Purchase Plan and TCF Employees Stock Purchase Plan - Supplemental Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plans described therein;

• File No. 333-154929, filed with the Commission on October 31, 2008, registering 3,000,000 shares of Common Stock (and related preferred share purchase rights associated with the Common Stock) under the TCF Employees Stock Purchase Plan and TCF Employees Stock Purchase Plan - Supplemental Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plans described therein;

• File No. 333-160237, filed with the Commission on June 25, 2009, registering 2,000,000 shares of Common Stock under the TCF Financial Incentive Stock Program;

• File No. 333-168893, filed with the Commission on August 17, 2010, registering 3,000,000 shares of Common Stock under the TCF Employees Stock Purchase Plan and TCF Employees Stock Purchase Plan - Supplemental Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plans described therein;

• File No. 333-184675, filed with the Commission on October 31, 2012, registering 2,000,000 shares of Common Stock under the TCF Financial Incentive Stock Program;

• File No. 333-184676, filed with the Commission on October 31, 2012, registering 4,000,000 shares of Common Stock under the TCF Employees Stock Purchase Plan and TCF Employees Stock Purchase Plan - Supplemental Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plans described therein;

• File No. 333-205796, filed with the Commission on July 22, 2015, registering 6,000,000 shares of Common Stock under the TCF Employees Stock Purchase Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plan described therein;

• File No. 333-208142, filed with the Commission on November 20, 2015, registering 2,561,692 shares of Common Stock under the TCF Financial 2015 Omnibus Incentive Plan;

• File No. 333-216598, filed with the Commission on March 10, 2017, registering 1,000,000 shares of Common Stock under the TCF 401K Supplemental Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plan described therein;

• File No. 333-226436, filed with the Commission on July 30, 2018, registering 10,000,000 shares of Common Stock under the TCF 401K Plan and an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plan described therein; and

• File No. 333-226437, filed with the Commission on July 30, 2018, registering 4,000,000 shares of Common Stock under the Amended and Restated TCF Financial 2015 Omnibus Incentive Plan.

On August 1, 2019, pursuant to the Agreement and Plan of Merger, dated as of January 27, 2019 (the "Merger Agreement"), by and between the Registrant and Chemical Financial Corporation, a Michigan corporation ("Chemical"), the Registrant merged with and into Chemical (the "Merger"), with Chemical continuing as the surviving corporation (the "Surviving Corporation"), and as successor in interest to the Registrant. In connection with the consummation of the Merger, the Surviving Corporation changed its name to "TCF Financial Corporation."

As a result of the Merger, the Registrant terminates any and all offerings of its securities pursuant to the Registration Statements and deregisters any and all securities registered but unsold under the Registration Statements, if any, in accordance with an undertaking made by the Registrant in the Registration Statements to remove from registration, by means of a post-effective amendment, any of the securities that had been registered for issuance that remain unsold at the termination of the offering. The Registration Statements are hereby amended, as appropriate, to reflect the deregistration of such securities. 

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment No.1 to the Registration Statements to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Detroit, State of Michigan, on August 1, 2019. No other person is required to sign this Post-Effective Amendment No. 1 to the Registration Statements in reliance upon Rule 478 under the Securities Act of 1933, as amended.

	TCF Financial Corporation, a Michigan corporation As successor by merger to TCF Financial Corporation, a Delaware corporation
By:	/s/ Craig R. Dahl
Name:	Craig R. Dahl
Title:	Chief Executive Officer and President