Under the Securities Exchange Act of 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

(Date of Event Which Requires Filing of this Schedule)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box: o

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

(1) Consists of (i) 14,766,806 shares beneficially owned by Mr. Tuchman in his capacity as the controlling person of Mantucket Capital Management Corporation, the sole general partner of KDT Family, LLLP, (ii) 6,550,000 shares beneficially owned by Mr. Tuchman in his capacity as the sole trustee of KDT Stock Revocable Trust, and (iii) 10,000 shares beneficially owned by Mr. Tuchman’s spouse.  Mr. Tuchman disclaims beneficial ownership of all shares beneficially owned by his spouse.

(2) Based on 46,486,749 shares of Common Stock outstanding as of October 31, 2019, according to information provided by TTEC Holdings, Inc., a Delaware corporation (the “Company”).

2

(1) Power is shared with its sole trustee, Kenneth D. Tuchman.

(2) Based on 46,486,749 shares of Common Stock outstanding as of October 31, 2019, according to information provided by the Company.

3

(1) Power is shared with its sole general partner, Mantucket Capital Management Corporation, and Kenneth D. Tuchman, the controlling person of Mantucket Capital Management Corporation.

(2) Based on 46,486,749 shares of Common Stock outstanding as of October 31, 2019, according to information provided by the Company.

4

(1) Consists of 14,766,806 shares beneficially owned by Mantucket Capital Management Corporation in its capacity as the sole general partner of KDT Family, LLLP.

(2) Based on 46,486,749 shares of Common Stock outstanding as of October 31, 2019, according to information provided by the Company.

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EXPLANATORY NOTE

This Amended Statement on Schedule 13D, a second amendment to the April 10, 2019 Schedule 13D as amended on December 26, 2019 (the “13D”), as of the date hereof (this “Amendment”), is being jointly filed by Kenneth D. Tuchman, KDT Stock Revocable Trust (the “Trust”), KDT Family, LLLP (the “Limited Partnership”) and Mantucket Capital Management Corporation (the “General Partner,” and together with Mr. Tuchman, the Trust and the Limited Partnership, the “Reporting Persons”) and relates to the common stock, par value $0.01 per share (“Common Stock”), of the Company.

This Amendment is filed pursuant to Rule 13d-2(a) promulgated by the Securities and Exchange Commission (the “Commission”) under the Act.

Item 5. Interest in Securities of the Issuer.

(a) The information set forth on rows 11 and 13 of each of the cover pages of this 13D is incorporated herein by reference.  To the knowledge of each of the Reporting Persons, none of the Covered Persons (as defined and identified in the 13D) owns beneficially pursuant to Rule 13d-3 of the Act any shares of Common Stock.

(b) The information set forth in rows 7 through 10 of each of the cover pages of this 13D is incorporated herein by reference.

(c)  The Reporting Persons engaged in the following transactions with respect to the Common Stock within the last 60 days:

(i)                   The Trust sold 3,000,000 shares of Common Stock at a price per share of $36.50 on December 10, 2019 in an underwritten, public offering registered under the Securities Act of 1933, as amended (the “Securities Act”).

(ii)                The Trust sold an additional 450,000 shares of Common Stock at a price per share of $36.50 on January 7, 2020 upon exercise of an overallotment option that was part of an underwritten, public offering registered under the Securities Act.

(d) None.

(e) Not applicable.

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SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

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