Musk has reached agreement to acquire Twitter

Billionaire Elon Musk has reached an agreement to acquire Twitter for approximately $44 billion, the company said.

The outspoken Tesla CEO, the world's wealthiest person, has said he wants to buy Twitter because he thinks it's not living up to its potential as a platform for "free speech." He says it needs to be transformed as a private company in order to build trust with users and do better at serving what he calls the "societal imperative" of free speech.

Twitter said it will become a privately held company after the sale is closed.

"Twitter has a purpose and relevance that impacts the entire world," its CEO Parag Agrawal said in a tweet. "Deeply proud of our teams and inspired by the work that has never been more important."

Musk describes himself as a "free-speech absolutist," although he hasn't been exactly clear what he means by that. In a recent TED interview, the billionaire said he'd like to see Twitter err on the side of allowing speech instead of moderating it. He said he'd be "very reluctant" to delete tweets and would generally be cautious about permanent bans. He also acknowledged that Twitter would have to abide by national laws governing speech in markets around the world.

Musk himself, though, regularly blocks social media users who have criticized him or his company and has used the platform to bully reporters who have written critical articles about him or his company.

Twitter's board at first enacted an anti-takeover measure known as a poison pill that could have made a takeover attempt prohibitively expensive. But when Musk outlined the financial commitments he'd lined up to back his offer of $46.5 billion – and no other bidders emerged – the board opened negotiations with him.

THIS IS A BREAKING NEWS UPDATE. AP's earlier story follows below.

Elon Musk's bid to buy Twitter is gaining steam and could be announced as early as Monday, according to media reports about the social media company's late-stage negotiations with the Tesla CEO, who has offered more than $40 billion to privatize the platform and pledged to be more lenient when it comes to policing users' speech.

Twitter and Musk spoke Sunday and into the early hours Monday, The New York Times reported, less than two weeks after the billionaire first revealed a 9 percent stake in the platform that he uses to promote his interests, attack critics and opine on social and economic issues to his more than 83 million followers.

Musk said last week that he had lined up $46.5 billion in financing to buy Twitter, putting pressure on the company's board to negotiate a deal. Musk hasn't commented on the negotiations but on Monday waded into the buzz about them on Twitter, where some users are promising to quit the platform if he takes over.

"I hope that even my worst critics remain on Twitter, because that is what free speech means," he tweeted.

Musk has described himself as a "free-speech absolutist" but is also known for blocking or disparaging other Twitter users who question or disagree with him.

In recent weeks, he has voiced a number of proposed changes for the company, from relaxing its content restrictions -- such as the rules that suspended former President Donald Trump's account -- to ridding the platform of fake and automated accounts, and shifting away from its advertising-based revenue model.

Twitter's board has flexibility in judging Musk's proposal not just on the finances but also the specifics of his business plan and how it could affect users, advertisers and employees -- some of whom might leave, said Kevin Kaiser, a finance professor at the Wharton School at the University of Pennsylvania.

"What's critical for the board is whether they think it's in the best interest of the company," Kaiser said. "That can come from many, many factors."

Kaiser said the board could decide that Musk's plan has "too many negative impacts," but that would be a hard case to make given how much Musk is offering to pay.

Asked during a recent TED talk if there are any limits to his notion of "free speech," Musk said Twitter or any forum is "obviously bound by the laws of the country that it operates in. So obviously there are some limitations on free speech in the US, and, of course, Twitter would have to abide by those rules."

Beyond that, though, he said he'd be "very reluctant" to delete things and in general be cautious about permanent bans.

It won't be perfect, Musk added, "but I think we want it to really have the perception and reality that speech is as free as reasonably possible."

Twitter had initially enacted an anti-takeover measure known as a poison pill that could make a takeover attempt prohibitively expensive. But the board decided to negotiate after Musk updated his proposal last week to show he had secured financing, according to The Wall Street Journal, which was first to report the negotiations were underway.

A rival bidder to Musk may not be stepping up any time soon, fearful of the byzantine task of moderating content on the platform, something that Musk has vowed to do less of.

"The Twitter Board could not find a white knight and with Musk's financing detailed the clock has essentially struck midnight for the board which is why negotiations have begun to get a deal done," said Dan Ives, who follows Twitter for Wedbush Securities.

The Times, citing people with knowledge of the situation who it did not identify, said the two sides were discussing details including a timeline and fees if an agreement was signed and then fell apart. The people said the situation was fluid and fast-moving.

While Twitter's user base of more than 200 million remains much smaller than those of rivals such as Facebook and TikTok, the service is popular with celebrities, world leaders, journalists and intellectuals. Musk himself is a prolific tweeter with a following that rivals several pop stars in the ranks of the most popular accounts.

Shares of Twitter Inc. rose 5% Monday to $51.50 per share. On April 14, Musk announced an offer to buy the social media platform for $54.20 per share, or about $43 billion, but did not say at the time how he would finance the acquisition.

Last week, he said in documents filed with U.S. securities regulators that the money would come from Morgan Stanley and other banks, some of it secured by his huge stake in Tesla.

Twitter has not commented.

Musk is the world's wealthiest person, according to Forbes, with a nearly $279 billion fortune. But much of his money is tied up in Tesla stock -- he owns about 17% of the electric car company, according to FactSet, which is valued at more than $1 trillion -- and SpaceX, his privately held space company. It's unclear how much cash Musk has.

Musk began making his fortune in 1999 when he sold Zip2, an online mapping and business directory, to Compaq for $307 million. He used his share to create what would become PayPal, an internet service that bypassed banks and allowed consumers to pay businesses directly. It was sold to eBay for $1.5 billion in 2002.

That same year, Musk founded Space Exploration Technologies, or SpaceX, after finding that cost constraints were limiting NASA's interplanetary travel. The company eventually developed cost-effective reusable rockets.

In 2004, Musk was courted to invest in Tesla, then a startup trying to build an electric car. Eventually he became CEO and led the company to astronomical success as the world's most valuable automaker and largest seller of electric vehicles.

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Krisher reported from Detroit. O'Brien reported from Providence, R.I. AP Business Writer Kelvin Chan reported from London.