On December 8, 2020, Trump was still announcing appointments.
There wasn't going to be an open position left. I don't believe that these appointments required confirmation by the Senate.
NOMINATIONS & APPOINTMENTS
President Donald J. Trump Announces Intent to Appoint Individuals to Key Administration Posts
Issued on: December 8, 2020
Today, President Donald J. Trump announced his intent to appoint the following individuals to key positions in his Administration:
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Elaine L. Chao, of Kentucky, to be a Member of the Board of Trustees of the John F. Kennedy Center for the Performing Arts.
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Kellyanne Elizabeth Conway, of the District of Columbia, to be a Member of the Board of Visitors to the United States Air Force Academy.
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Matthew A. Schlapp, of Virginia, to be a Member of the Library of Congress Trust Fund Board.
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Fri Dec 8, 2023:
On this day, December 8, 2020, Trump was still announcing appointments.
Tue Dec 8, 2020:
Trump Announces Intent to Appoint Individuals to Key Administration Posts; December 8, 2020