Wire reporting: (Reuters, via CNA)

SpaceX said Friday that Google executive Donald Harrison has resigned from the company's board of directors, according to CNBC and CNA^1,2.

Harrison notified SpaceX of his resignation on Nov. 4, and it took effect immediately, CNA reported¹. SpaceX said in a regulatory filing that the decision was not due to any disagreement with the company on operations, policies or practices, both outlets reported^1,2.

Harrison is president of Global Partnerships and Corporate Development at Google and has worked at the company since 2005, CNBC reported². SpaceX thanked him for years of service, CNBC said².

Alphabet is SpaceX's largest single institutional holder, CNA said, citing LSEG data¹. CNBC put Alphabet's stake at $74 billion as of Friday's close and said SpaceX's market cap was about $1.8 trillion². CNA said Google on Friday reported a small increase in its SpaceX position, to about 555 million shares from 551.2 million¹.

CNBC said Alphabet invested in SpaceX in 2015, when the company was valued at about $12 billion, and that the resignation disclosure came roughly five months after SpaceX went public². Google is a SpaceX customer and has agreed to pay the company's AI division up to $920 million a month for compute capacity near Memphis, Tennessee, CNBC reported². The companies also recently worked together to launch Google AI chips into orbit via Project Suncatcher, according to CNBC².

Google said in an emailed statement to CNBC that it remains supportive of SpaceX's mission and its partnership even as Harrison leaves the board². Neither outlet reported a successor on the SpaceX board^1,2.