OTTR Otter Tail Corporation

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 * MACFARLANE CHARLES S	2. Issuer Name and Ticker or Trading Symbol Otter Tail Corp [ OTTR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) President & CEO
(Last)          (First)          (Middle) 215 S CASCADE ST	3. Date of Earliest Transaction (MM/DD/YYYY) 2/7/2022
(Street) FERGUS FALLS, MN 56537-2801 (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	2/7/2022		A		41400 (1)	A	$61.37	119868	D
Common Stock	2/7/2022		F		20436 (2)	D	$61.37	99432 (3)	D
Common Stock								54884	I	by GRAT
Common Stock								75459	I	by SLAT
Common Stock								2771	I	by ESOP

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
Restricted Stock Units	(4)	2/7/2022		A		8700		2/6/2023 (5)	(5)	Common Stock	8700	$0	8700	D
Restricted Stock Units	(4)							2/6/2020 (5)	(5)	Common Stock	1975		1975	D
Restricted Stock Units	(4)							2/6/2021 (5)	(5)	Common Stock	4000		4000	D
Restricted Stock Units	(4)							2/6/2022 (5)	(5)	Common Stock	8625		8625	D

Explanation of Responses:
(1)	Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award(granted in 2019).
(2)	These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).
(3)	Total direct holdings include shares acquired through the Dividend Reinvestment Plan, the Employee Stock Purchase Plan and shares acquired pursuant to Stock Options, Restricted Stock Awards, Restricted Stock Units and Performance Share Awards.
(4)	Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation common stock.
(5)	The restricted stock units vest in four equal annual installments beginning the date shown above.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MACFARLANE CHARLES S 215 S CASCADE ST FERGUS FALLS, MN 56537-2801			President & CEO

Signatures
/s/ Charles S MacFarlane by Ella Leapaldt, Attorney-in-Fact		2/9/2022
**Signature of Reporting Person		Date