March 15, 2021: On Monday, Tesla officially gave CEO Elon Musk the title of “Technoking of Tesla” in a new regulatory filing.

Musk will come back as chief executive officer, Tesla said.

The company’s chief financial officer, Zach Kirkhorn, has also been given a new title, “Master of Coin.”

On Monday, In a filing with the Securities and Exchange Commission, the electric car company said, “the titles of Elon Musk and Zach Kirkhorn have changed to Technoking of Tesla and Master of Coin, respectively.”

It’s unknown what has prompted the new titles.

Last month, the company had bought $1.5 billion worth of bitcoin.

Tesla’s market cap climbed to more than $800 billion in January before dropping to $563 billion in March, leading some analysts to link its share price to the value of bitcoin, which was also volatile over the period.

The company’s shares were up more than 1% on Monday to trade around $704.

It comes after a report from The Washington Post suggested that Tesla’s plant in Fremont, California, had 450 cases of coronavirus after reopening last May. There was a fire at the same plant the previous week.