Ownership Submission
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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
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 (Month/Day/Year)
01/02/2019
(Street)

ST LOUIS, MO 63105
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(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 Units (1) (1) 01/02/2019   A   3.63     (3)   (4) Common Shares 3.63 (1) 478.17 D  
Stock Units (2) 01/02/2019   A   5.26     (2)   (4) Common Shares 5.26 $ 741.06 483.43 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
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-Fact   01/02/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Dividend Equivalents credited as Stock Units under the Atrion Corporation Deferred Compensation Plan for Non-Employee Directors, as amended and restated (the Deferred Compensation Plan)
(2) In accordance with the Deferred Compensation Plan, the reported Stock Units were credited to the reporting persons Stock Unit Account in connection with the reporting persons election to defer a portion of the reporting persons compensation as a member of the Board of Directors. These Stock Units vest 25% on January 2, 2019, 25% on April 1, 2019, 25% on July 1, 2019 and 25% on October 1, 2019, provided the reporting person is serving on such date as a member of the Board of Directors. In January of the year following the year in which service as a director ceases for any reason, vested Stock Units will convert to shares of common stock, without further consideration, on a one for one basis.
(3) In January of the year following the year in which service as a director ceases for any reason, these Stock Units will convert to shares of common stock, without further consideration, on a one for one basis.
(4) Stock Units will not expire.

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