UNITED STATES ~~SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549~~

~~_____________~~SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

~~_____________~~CURRENT REPORT

~~Current~~PURSUANT ~~Report Pursuant~~TO ~~to Section~~SECTION 13 orOR 15(dD) ~~of The Securities Exchange Act of 1934~~

~~Date~~OF ofTHE ~~Report~~SECURITIES ~~(Date~~EXCHANGE ofACT ~~earliest~~OF ~~event reported): May 6, 2016~~1934

~~Calamos~~Date ~~Dynamic~~of ~~Convertible~~report ~~and Income Fund~~ (~~Exact~~Date ~~name~~ of ~~registrant~~earliest asevent ~~specified~~reported) inJanuary 12, ~~its charter)~~2021

~~_____________~~Calamos Dynamic Convertible and Income Fund

Delaware (State or other jurisdiction of incorporation or organization)	811-22949 (Commission File Number)	47-1549409 (IRS Employer Identification No.)
2020 Calamos Court Naperville, Illinois (Address of principal executive offices)		60563 (Zip Code)

(Exact Name of Registrant as Specified in Its Charter)

~~Registrant’s telephone number, including area code: (630) 245-7200~~Delaware

~~N/A~~ (~~Former~~State ~~name~~ or ~~former~~Other ~~address,~~Jurisdiction ifof ~~changed since last report~~Incorporation)

_____________

811-22949		47-1549409
(Commission File Number)		(IRS Employer Identification No.)

2020 Calamos Court Naperville, Illinois		60563
(Address of Principal Executive Offices)		(Zip Code)

(630) 245-7200

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~Item~~o ~~7.01~~Soliciting ~~Regulation~~material FDpursuant ~~Disclosure~~to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

~~Concurrent~~o ~~with~~Pre-commencement ~~this~~communications ~~filing,~~pursuant ~~the~~to ~~Calamos~~Rule ~~Dynamic Convertible and Income Fund~~ 14d-2(~~the “Fund”~~b) isunder ~~issuing a Press Release announcing that~~ the ~~share~~Exchange ~~purchase~~Act ~~program~~(17 ~~described~~CFR ~~in the Fund’s press release dated May 15, 2015 was completed in accordance with its terms~~240.14d-2(b))

Ao ~~copy~~Pre-commencement ofcommunications ~~the~~pursuant ~~Fund’s Press Release dated May 6, 2016 is attached as Exhibit 99.1~~ to ~~this~~Rule ~~report.~~13e-4(c) ~~The~~under ~~information~~the ~~included~~Exchange inAct ~~Exhibit 99.1~~(17 isCFR ~~incorporated by reference in this Item 7~~240.~~01, and is deemed to be furnished, not filed, pursuant to Item 7.01 of Form 8~~13e-K.4(c))

~~Item~~Securities ~~9.01~~registered ~~Financial~~pursuant ~~Statements~~to ~~and~~Section 12(b) of ~~Exhibits~~the Act: Title of each class Trading Name of each exchange on which registered Symbol(s)

Title of Each Class Trading Symbol(ds) Name of Each Exchange on Which Registered Common Shares CCD NASDAQ Global Select Market

Exhibit Number		Description of Exhibit
99.1		Press Release, dated May 6, 2016

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

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. o

Item 5.03. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On January 11, 2021, the Board of Trustees of Calamos Dynamic Convertible and Income Fund (the “Trust”) amended and restated in the entirety the Trust’s Declaration of Trust (the “Amended and Restated Declaration of Trust”) and the Trust’s By-Laws (the “Amended and Restated Bylaws”). The amendments provide for, among other things: (i) the election of Trustees by a majority of the Fund’s outstanding voting securities entitled to vote; (ii) certain Trustee qualifications; and (iii) certain advance notice requirements for a shareholder to properly bring a matter before a shareholder meeting.

The foregoing description of the Amended and Restated Declaration of Trust and the Amended and Restated Bylaws does not purport to be complete and is qualified in its entirety by reference to the full text of the Amended and Restated Declaration of Trust and the Amended and Restated Bylaws, which are attached hereto as Exhibit 3.1 and Exhibit 3.2, respectively, and are incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

3.1	Amended and Restated Declaration of Trust of Calamos Dynamic Convertible and Income Fund dated January 12, 2021.
3.2	Amended and Restated Bylaws of Calamos Dynamic Convertible and Income Fund dated January 12, 2021.

~~Signatures~~SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the ~~registrant~~Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

~~CALAMOS~~Calamos ~~DYNAMIC~~Dynamic ~~CONVERTIBLE~~Convertible ~~AND~~and ~~INCOME~~Income ~~FUND~~Fund ~~Date~~By: ~~May 6, 2016~~ /s/ J. Christopher Jackson ByName: J. Christopher Jackson Title: Vice President and Secretary

Date: January 12, 2021

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