Statement of Changes in Beneficial Ownership (4)

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) 12/10/2020
(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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Chase Corporation Common Stock								74487	D
Chase Corporation Common Stock	12/10/2020		S		1500 ⁽⁹⁾	D	$114.25 ⁽⁸⁾	291913 ⁽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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)

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 a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.48 to $114.00 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.
(9)	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.

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