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 *

STUPP JOHN P JR
2. Issuer Name and Ticker or Trading Symbol

ATRION CORP [ ATRI ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle)

STUPP JOHN P JR, 120 SOUTH CENTRAL AVE STE 1650
3. Date of Earliest Transaction (MM/DD/YYYY)

1/3/2022
(Street)

ST LOUIS, MO 63105
(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

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 Security3. Trans. Date3A. Deemed Execution Date, if any4. 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 Date7. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
stock units (1) (1)1/3/2022  A   5.66     (1) (2)Common shares 5.66  (1)508.37 D  

Explanation of Responses:
(1) These Stock Units accrued as dividend equivalents on previously awarded Stock Units. Each Stock Unit is the economic equivalent of one share of Atrion Corporation common stock. These Stock Units are fully vested and will each convert into one share of Atrion Corporation common stock to be delivered to the reporting person as elected pursuant to the Deferred Compensation Plan.
(2) These Stock Units will not expire.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
STUPP JOHN P JR
STUPP JOHN P JR
120 SOUTH CENTRAL AVE STE 1650
ST LOUIS, MO 63105
X



Signatures
s/Jeffery Strickland, Attorney-in-fact1/4/2022
**Signature of Reporting PersonDate

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