Tesla’s shareholders will answer that question Wednesday, as the board seeks their approval to give Chief Executive Officer Musk an unprecedented 10-figure award of stock options.

The package—arguably the largest-ever of its kind—underscores the company’s outsize ambitions and how intimately connected its future success is to Musk. If the plan’s accepted and he turns Tesla into both a mass-market automaker and one of the world’s largest companies, he’ll become perhaps the richest man on the planet.

Votes on the compensation plan will be cast at a special shareholder meeting in Fremont, Calif., at 9 a.m. local time. The board needs support from investors holding a majority of the shares—not counting those owned by Musk and his brother Kimbal, who’s a Tesla director—to make the award. Proxy advisory firms Institutional Shareholder Services and Glass Lewis & Co. have urged investors to vote against the package, while large shareholders Baillie Gifford & Co. and T. Rowe Price Group have signaled they’re likely to support it.

Under the proposed terms, Musk would earn one-12th of the options every time Tesla hits a pair of goals: one tied to its market value and the other linked to either revenue or earnings excluding certain charges. For Musk to get all the options, Tesla would have to become worth $650 billion—more than Facebook—and produce more revenue than Procter & Gamble.

Here are some of the main pros and cons shareholders will be mulling as they cast their ballots:

Pro: Investors (and Musk) might reap massive gains

Tesla has said in regulatory filings that Musk’s award could yield him more than $50 billion if all goals are achieved. That’s an astronomical sum, compared to what other U.S. executives make. Still, Musk will reap gains only if shareholders do, too. Some large investors have said the package aligns with their interests, signaling they don’t mind if Musk gets wealthier, as long as they also see big returns.

Con: Musk already owns about 20% of Tesla. Does he really need more money?

More than half of Musk’s roughly $20 billion fortune is tied up in Tesla stock. That’s led some to question whether the largest award in corporate history is needed to make sure he remains focused on the business.

Pro: Musk got a similar award in 2012, and it was a success

About six years ago, Tesla gave the CEO a big bundle of stock options worth roughly $78 million at the time. He could realize gains from those only if Tesla met certain product development milestones and drastically increased its market value, and it has: Tesla celebrated delivery of its 250,000th car in the third quarter. Tesla’s market cap has grown about 16-fold, and Musk’s award has ballooned in value to more than $1 billion.

Con: The award could be hugely expensive and dilutive

Large stock awards can be costly for investors in two ways: They increase a company’s expenses and they dilute the stakes of existing shareholders. If Musk is successful, Tesla’s investors might feel the effects of both.

Pro: It signals big ambitions

It’s unlikely Tesla could hit the top market value threshold of $650 billion solely by selling electric cars. As a result, the award indicates that Musk has other ideas for the company, including transforming energy storage through utility-grade applications and the kinds of future-of-mobility plans outlined in his Master Plan, Part Deux.

Con: It doesn’t show how or when Tesla will be profitable

Musk’s 2012 award depended on the company successfully building and mass-producing electric cars while simultaneously growing its market value. The new grant outlines an aspiration of making Tesla one of the world’s biggest companies but without any clues about how the company will get there. The plan also doesn’t offer any indication as to when Tesla will have its first-ever profitable fiscal year.

Pro: It will keep Musk close to Tesla

Musk is also the CEO of Space Exploration Technologies Corp. and has embarked on several other projects of late, including tunnel digger Boring Co. and a brain-computer interface startup called Neuralink. That’s led to concerns he’s looking to lessen his involvement with Tesla. But the new award binds him to the company for a decade, requiring him to remain either CEO or executive chairman and chief product officer.

Con: It underscores Tesla’s reliance on Musk

If Musk were to leave, it would be a huge blow, the company has repeatedly told investors in regulatory filings. The big award further emphasizes how integral the board thinks the CEO is to Tesla’s future. Several top executives have left the company lately, calling into question what Tesla would do if Musk decided to do something else.

Pro: It’s the only pay he’s gonna get

The big award aside, Tesla’s board has said Musk won’t receive any other compensation to underscore that he’ll win only if shareholders do, too. The company is required by California state law to pay him a minimum-wage salary that adds up to roughly $37,000 per year, but Musk has never accepted it.