Founder and CEO of Masimo, Joe Kiani addresses a press conference in Bangalore on January 2, 2017.
Manjunath Kiran | Afp | Getty Images
Billionaire Masimo founder Joe Kiani, best known for his successful legal fight against Apple and his friendship with President Joe Biden, has borrowed against half of his $660 million stake in the health-technology company rather than sell his stock, according to corporate filings from earlier this week.
Borrowing against that much of a stake is unusual for executives, but may be helpful as the company prepares for a fight with an activist aiming to take control of the board. The move allows Kiani, the company’s CEO and chairman, to maintain his stake and voting power while also getting money he says he needs for family reasons.
Many medical-tech peers bar such moves, and it could leave Kiani susceptible to margin calls if Masimo’s stock falls below a certain threshold. Kiani has just under 4 million Masimo shares, or around 7.5% of the company, according to FactSet data.
Masimo, which makes wearables and health monitoring products, is preparing to fend off a second proxy fight waged by Quentin Koffey’s Politan Capital Management. Kiani described Koffey as “destructive” in a March CNBC interview.
Masimo shares are up 15% this year, lifting the company’s market cap past $7 billion. The stock had a volatile run in the back half of 2023, falling 47% in the third quarter before gaining 34% in the fourth.
Politan controls 8.9% of Masimo shares. While that’s bigger than Kiani’s stake, even before pledged shares are weighed, regulatory filings show that the CEO has options that could boost his holdings to 9.2% if exercised.
Politan already won two seats on Masimo’s six-person board in a contentious 2023 proxy fight, but announced last month that it would seek two more seats, including Kiani’s, to cement control.
Kiani, 59, pledged 2.97 million Masimo shares as of April, valued at $397 million, as collateral against “personal loans.” The company said in its annual filing Kiani had family “financial planning objectives” that would require him to sell his stock, but that he “did not want to diminish his shareholdings.” His objectives weren’t spelled out in the filings.
“The pledge of shares was pre-approved by the Board and reflects Mr. Kiani’s conviction in the value of Masimo stock despite the short-term decline in the stock price during the second half of 2023,” a Masimo spokesman said in an emailed statement. “Rather than sell his pledged shares, Mr. Kiani increased his pledge to maintain his stock ownership.”
The spokesperson added that Kiani purchased about $7 million worth of Masimo stock in the second half of 2022 and the first half of 2023.
The Masimo logo is displayed at Masimo headquarters on December 27, 2023 in Irvine, California.
Mario Tama | Getty Images
Kiani is a major Democratic donor who is reportedly close with President Biden. He also has an 8,000-acre winery in Santa Ynez, California, near Santa Barbara. The lending is an increase from the year before, when Kiani only pledged 400,000 shares as collateral.
Masimo’s board also includes Bob Chapek, who joined in January, almost exactly a year after was he ousted as Disney’s CEO.
Several of Masimo’s peers, like Agilent, Stryker and Medtronic, don’t allow executives to pledge their shares. Companies generally frown upon stock pledging, though some, including Masimo, permit it with board approval. Stock-backed lending, or “Lombard loans,” generally requires a borrower to sell their shares if they fall below a certain value, which in the case of large shareholders can drive a stock price down even further.
Masimo’s earlier proxy fight was marked by litigation between the two sides that led to Politan winning $18 million in legal fees after forcing the company to abandon an effort to thwart the investment firm. There were also personal attacks. In regulatory filings, the company described Koffey as someone with “hubris” that was “no different than his more prominent peer Bill Ackman.”
Major shareholders, including Vanguard, sided with the activist, which said that Masimo had been marred by poor governance practices and the acquisition of Sound United, a consumer audio company. Masimo shares plummeted 37% the day the deal was announced in February 2022.
Last month, Masimo said it would spin off its consumer business, an announcement that boosted the stock. When Politan announced its second campaign days later, shares rose even higher. Politan has said news of the spinoff, made after the bell on a Friday and shortly before the activist announced its second campaign, was “rushed” when the company learned of the activist’s plans.
Masimo has denied that claim. The company has yet to file a proxy statement or schedule an annual meeting.
Masimo has had some success in recent months. The company pursued high-profile patent litigation against Apple, alleging that the company infringed on its pulse oximeter technology for the Apple Watch. After some initial setbacks, Masimo won a ruling that restricted the sale of some watches. The two companies remain in negotiations on the matter.
The moon vacuum, which was unveiled on Wednesday by Blue Origin at Amazon‘s re:Invent 2025 conference in Las Vegas, was built using critical technology from startup Istari Digital.
“So what it does is sucks up moon dust and it extracts the heat from it so it can be used as an energy source, like turning moon dust into a battery,” Istari CEO Will Roper told CNBC’s Morgan Brennan.
Spacecraft carrying out missions on the lunar surface are typically constrained by lunar night, the two-week period every 28 days during which the moon is cast in darkness and temperatures experience extreme drops, crippling hardware and rendering it useless unless a strong, long-lasting power source is present.
“Kind of like vacuuming at home, but creating your own electricity while you do it,” he added.
The battery was completely designed by AI, said Roper, who was assistant secretary of the Air Force under President Donald Trump‘s first term and is known for transforming the acquisition process at both the Air Force and, at the time, the newly created Space Force.
Read more CNBC tech news
A major part of the breakthrough in Istari’s technology is the way in which it handles and limits AI hallucinations.
Roper said the platform takes all the requirements a part needs and creates guardrails or a “fence around the playground” that the AI can’t leave while coming up with designs.
“Within that playground, AI can generate to its heart’s content,” he said.
“In the case of Blue Origin’s moon battery, [it] doesn’t tell you the design was a good one, but it tells us that all of the requirements were met, the standards were met, things like that that you got to check before you go operational,” he added.
Istari is backed by former Google CEO Eric Schmidt and already works with the U.S. government, including as a prime contractor with Lockheed Martin on the experimental x-56A unmanned aircraft.
Watch the full interview above and go deeper into the business of the stars with the Manifest Space podcast.
Nvidia CEO Jensen Huang said he met with President Donald Trump on Wednesday and that the two men discussed chip export restrictions, as lawmakers consider a proposal to limit exports of advanced artificial intelligence chips to nations like China.
“I’ve said it repeatedly that we support export controls, and that we should ensure that American companies have the best and the most and first,” Huang told reporters on Capitol Hill.
Lawmakers were considering including the Guaranteeing Access and Innovation for National Artificial Intelligence Act in a major defense package, known as the National Defense Authorization Act. The GAIN AI Act would require chipmakers like Nvidia and Advanced Micro Devices to give U.S. companies first pick on their AI chips before selling them in countries like China.
The proposal isn’t expected to be part of the NDAA, Bloomberg reported, citing a person familiar with the matter.
Huang said it was “wise” that the proposal is being left out of the annual defense policy bill.
“The GAIN AI Act is even more detrimental to the United States than the AI Diffusion Act,” Huang said.
Nvidia’s CEO also criticized the idea of establishing a patchwork of state laws regulating AI. The notion of state-by-state regulation has generated pushback from tech companies and spurred the creation of a super PAC called “Leading the Future,” which is backed by the AI industry.
“State-by-state AI regulation would drag this industry into a halt and it would create a national security concern, as we need to make sure that the United States advances AI technology as quickly as possible,” Huang said. “A federal AI regulation is the wisest.”
Trump last month urged legislators to include a provision in the NDAA that would preempt state AI laws in favor of “one federal standard.”
But House Majority Leader Steve Scalise (R-LA) told CNBC’s Emily Wilkins on Tuesday the provision won’t make it into the bill, citing a lack of sufficient support. He and other lawmakers will continue to look for ways to establish a national standard on AI, Scalise added.
File: Then Apple Creative Director Alan Dye celebrates the launch of the July Issue at the new WIRED office on June 24, 2015 in San Francisco, California.
Kimberly White | Getty Images
Apple‘s head of user interface design, Alan Dye, will join Meta, in a notable shift of executive talent in Silicon Valley.
The iPhone maker confirmed Dye’s departure on Wednesday and Apple CEO Tim Cook said in a statement that the company prioritizes design and has a strong team. The statement said that veteran designer Stephen Lemay will succeed Dye.
“Steve Lemay has played a key role in the design of every major Apple interface since 1999,” Cook said in a statement.
Meta CEO Mark Zuckerberg in a Wednesday social media post said that Dye would lead up a new creative studio that brings together design, fashion and technology.
“We plan to elevate design within Meta,” wrote Zuckerberg, who did not say what specific products Dye will work on.
Compared to other Silicon Valley companies, Apple has always emphasized design to customers and investors as one of its strengths. Apple prominently features its design executives to discuss interface changes at the company’s launch events.
In June, Dye revealed a redesign of Apple’s software interface for iPhones, Macs and the Apple Watch called Liquid Glass. The company described it as an “elegant” new design with translucent buttons, updated app icons and fluid animations.
Dye said it was the “next chapter” of the company’s software and said it “sets the stage” for the next era of Apple products.
“Our new design blurs the lines between hardware and software to create an experience that’s more delightful than ever while still familiar and easy to use,” Dye said at the launch.
Apple announces liquid glass during the Apple Worldwide Developers Conference (WWDC) on June 9, 2025 in Cupertino, California.
Justin Sullivan | Getty Images
For years, Apple design was embodied by executive Jony Ive, who left Apple in 2019 and is now working with OpenAI on artificial intelligence hardware alongside Sam Altman.
Dye took over user interface design and became one of the design studio’s leads in 2015 when Ive stepped back from a day-to-day role. Dye started at Apple in 2006 and worked on software for the iPhone, iPad, Mac, Apple Watch, Apple TV and Vision Pro, according to his LinkedIn profile.
He was also partly responsible for the first iPhone in 2017 that did away with the home screen button at the bottom of the device and replaced it with a software-based swipe-up motion.
Meta has said in recent years that it wants to be a major developer of hardware and Zuckerberg has said Apple is one of his company’s biggest competitors.
The social media company currently makes several virtual reality headsets under its Quest brand, and recently scored its first hardware hit with Ray-Ban Meta smart glasses, which are stylish sunglasses equipped with cameras and the ability to run an AI model that can answer questions. Sales of the device tripled over the past year, Ray-Ban parent company EssilorLuxottica said in July.
“We’re entering a new era where AI glasses and other devices will change how we connect with technology and each other,” Zuckerberg wrote.