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
                                                                                  
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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 * CHASE PETER R 2. Issuer Name and Ticker or Trading Symbol CHASE CORP [ CCF ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Executive Chairman
(Last)         (First)         (Middle)
295 UNIVERSITY AVE.
3. Date of Earliest Transaction (MM/DD/YYYY)
1/12/2021
(Street)
WESTWOOD, MA 02090
(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
Chase Corporation Common Stock                 14487  D   
Chase Corporation Common Stock  1/12/2021    S    500 (8) D $115.57 (9) 288913 (1) I  Peter R. Chase Insurance Trust 
Chase Corporation Common Stock                 43387 (2) I  Peter R. Chase 2019 Qualified Annuity Trust #1 
Chase Corporation Common Stock                 96840 (3) I  Peter R. Chase 2019 Qualified Annuity Trust #2 
Chase Corporation Common Stock                 278420 (6) I  Peter R. Chase 2020 Qualified Annuity Trust #1 
Chase Corporation Common Stock                 85000 (7) I  Peter R. Chase 2020 Qualified Annuity Trust #2 
Chase Corporation Common Stock                 30052 (4) I  Peter R. Chase Trust 
Chase Corporation Common Stock                 1470 (5) I  Chase 2015 Irrevocable Trust 

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:
(1)  Represents shares held by the Peter R. Chase Insurance Trust.
(2)  Reflects shares held by the Peter R. Chase 2019 Qualified Annuity Trust #1 subsequent to exempt transfer to Mr. Chase.
(3)  Reflects shares held by the Peter R. Chase 2019 Qualified Annuity Trust #2 subsequent to exempt transfer to Mr. Chase.
(4)  Represents shares held by the Peter R. Chase Trust.
(5)  Represents shares held by the Chase 2015 Irrevocable Trust.
(6)  Reflects shares held by the Peter R. Chase 2020 Qualified Annuity Trust #1 subsequent to exempt transfer from Mr. Chase.
(7)  Reflects shares held by the Peter R. Chase 2020 Qualified Annuity Trust #2 subsequent to exempt transfer from Mr. Chase.
(8)  Represents shares sold pursuant to a trading plan that was adopted on July 13, 2020, complying with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.
(9)  Represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.40 to $115.89 for all transactions reported on this date utilizing a weighted average price. The reporting person will provide to issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
CHASE PETER R
295 UNIVERSITY AVE.
WESTWOOD, MA 02090
X
Executive Chairman

Signatures
Marlene Torio by power of attorney 1/14/2021
**Signature of Reporting Person Date