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 * Langevin Eric T 2. Issuer Name and Ticker or Trading Symbol KADANT INC [ KAI ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Executive Vice President & COO
(Last)         (First)         (Middle)
KADANT INC., ONE TECHNOLOGY PARK DRIVE
3. Date of Earliest Transaction (MM/DD/YYYY)
12/11/2020
(Street)
WESTFORD, MA 01886
(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
Common Stock  12/11/2020    M(1)    800  A $25.98  53039  D   
Common Stock  12/11/2020    S(1)    800  D $134.3973 (2) 52239  D   
Common Stock  12/11/2020    M(1)    4284  A $25.98  56523  D   
Common Stock  12/11/2020    S(1)    4284  D $135.4387 (3) 52239  D   
Common Stock  12/11/2020    M(1)    326  A $25.98  52565  D   
Common Stock  12/11/2020    S(1)    326  D $136.4264 (4) 52239  D   
Common Stock  12/14/2020    M(1)    1900  A $25.98  54139  D   
Common Stock  12/14/2020    S(1)    1900  D $134.6559 (5) 52239  D   
Common Stock  12/14/2020    M(1)    2400  A $25.98  54639  D   
Common Stock  12/14/2020    S(1)    2400  D $135.5622 (6) 52239  D   
Common Stock  12/14/2020    M(1)    120  A $25.98  52359  D   
Common Stock  12/14/2020    S(1)    120  D $136.5083 (7) 52239  D   
Common Stock  12/15/2020    M(1)    200  A $25.98  52439  D   
Common Stock  12/15/2020    S(1)    200  D $131.115 (8) 52239  D   
Common Stock  12/15/2020    M(1)    100  A $25.98  52339  D   
Common Stock  12/15/2020    S(1)    100  D $133  52239  D   
Common Stock  12/15/2020    M(1)    2300  A $25.98  54539  D   
Common Stock  12/15/2020    S(1)    2300  D $135.4398 (9) 52239  D   
Common Stock  12/15/2020    M(1)    297  A $25.98  52536  D   
Common Stock  12/15/2020    S(1)    297  D $136.50  52239  D   
Common Stock  12/15/2020    S(1)    403  D $137.2345 (10) 51836  D   
Common Stock  12/15/2020    S(1)    2059  D $139.0159 (11) 49777  D   
Common Stock  12/15/2020    S(1)    11  D $139.6482 (12) 49766  D   

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
Stock Option (Right to Buy)  $25.98  12/11/2020    M (1)       800    (13) 3/6/2023  Common Stock  800.0  $0  11927  D   
Stock Option (Right to Buy)  $25.98  12/11/2020    M (1)       4284    (13) 3/6/2023  Common Stock  4284.0  $0  7643  D   
Stock Option (Right to Buy)  $25.98  12/11/2020    M (1)       326    (13) 3/6/2023  Common Stock  326.0  $0  7317  D   
Stock Option (Right to Buy)  $25.98  12/14/2020    M (1)       1900    (13) 3/6/2023  Common Stock  1900.0  $0  5417  D   
Stock Option (Right to Buy)  $25.98  12/14/2020    M (1)       2400    (13) 3/6/2023  Common Stock  2400.0  $0  3017  D   
Stock Option (Right to Buy)  $25.98  12/14/2020    M (1)       120    (13) 3/6/2023  Common Stock  120.0  $0  2897  D   
Stock Option (Right to Buy)  $25.98  12/15/2020    M (1)       200    (13) 3/6/2023  Common Stock  200.0  $0  2697  D   
Stock Option (Right to Buy)  $25.98  12/15/2020    M (1)       100    (13) 3/6/2023  Common Stock  100.0  $0  2597  D   
Stock Option (Right to Buy)  $25.98  12/15/2020    M (1)       2300    (13) 3/6/2023  Common Stock  2300.0  $0  297  D   
Stock Option (Right to Buy)  $25.98  12/15/2020    M (1)       297    (13) 3/6/2023  Common Stock  297.0  $0  0  D   

Explanation of Responses:
(1)  The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted November 11, 2020.
(2)  Represents the weighted average sale price. The actual sales prices range from $133.98 to $134.89 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(3)  Represents the weighted average sale price. The actual sales prices range from $135.00 to $136.00 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(4)  Represents the weighted average sale price. The actual sales prices range from $136.10 to $136.58 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(5)  Represents the weighted average sale price. The actual sales prices range from $134.10 to $135.10 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(6)  Represents the weighted average sale price. The actual sales prices range from $135.24 to $136.00 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(7)  Represents the weighted average sale price. The actual sales prices range from $136.45 to $136.80 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(8)  Represents the weighted average sale price. The actual sales prices range from $131.02 to $131.21 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(9)  Represents the weighted average sale price. The actual sales prices range from $134.72 to $135.65 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(10)  Represents the weighted average sale price. The actual sales prices range from $136.50 to $137.48 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(11)  Represents the weighted average sale price. The actual sales prices range from $138.40 to $139.20 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(12)  Represents the weighted average sale price. The actual sales prices range from $139.64 to $139.73 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
(13)  This stock option is fully vested.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Langevin Eric T
KADANT INC.
ONE TECHNOLOGY PARK DRIVE
WESTFORD, MA 01886


Executive Vice President & COO

Signatures
/s/ Stacy D. Krause, by power of attorney 12/15/2020
**Signature of Reporting Person Date