FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * SLOANE BARRY R 2. Issuer Name and Ticker or Trading Symbol CENTURY BANCORP INC [ CNBKA ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chairman, CEO and President
(Last)         (First)         (Middle)
400 MYSTIC AVENUE
3. Date of Earliest Transaction (MM/DD/YYYY)
2/19/2021
(Street)
MEDFORD, MA 02155
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
401(k) Company Stock Fund  2/19/2021    P    5.1758  A $144.66  1738.4663  D   
Class A Common                 3111.1457  D   
Class A Common                 3104.679  I  As trustee of MMS & BJS Private Foundation 
Class A Common                 350  I  As trustee of MMS & BJS TR for MMS II 
Class A Common                 224  I  As trustee of MMS & BJS Trust FBO Charles S. M. Sloane 
Class A Common                 304  I  As trustee of MMS & BJS Trust FBO Jacob George Sloane 
Class A Common                 40.2913  I  FBO Marshall M. Sloane II 
Class A Common                 72.282  I  Owned By Spouse Candace Lapidus Sloane 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:

Remarks:
The 401k Stock Fund consists of units having a share and a cash component. The price shown is that of a unit.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
SLOANE BARRY R
400 MYSTIC AVENUE
MEDFORD, MA 02155
X
Chairman, CEO and President

Signatures
/s/ William P. Hornby, Attorney-in-Fact 2/22/2021
**Signature of Reporting Person Date