X0306 4 2020-01-02 0 0000701288 ATRION CORP ATRI 0001085535 STUPP JOHN P JR 120 SOUTH CENTRAL AVE STE 1650 ST LOUIS MO 63105 1 0 0 0 Stock Units 2020-01-02 4 A 0 3.55 A Common Shares 3.55 486.98 D Stock Units 2020-01-02 4 A 0 10.38 751.5 A Common Shares 10.38 497.36 D 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. 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, 2020, 25% on April 1, 2020, 25% on July 1, 2020 and 25% on October 1, 2020, 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. 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. Stock Units will not expire. s/Jeffery Strickland, Attorney-in-Fact 2020-01-02