We have an assortment of noteworthy buys from directors and investment firms as well as C-level executives and members of Congress to report today.

📌 TKO Group Holdings $TKO

Director Jonathan Kraft takes the spotlight with a $3.53 million buy. That’s a big-ticket commitment to an entertainment powerhouse – definitely one to watch if you’re keeping tabs on momentum turning in that stock.

📌 Janux Therapeutics $JANX

RA Capital isn’t done with biotech. The investment firm filed a fresh 13D reporting an increase in its $JANX stake from 17.55% to 19.90% in JANX. Large, concentrated bets like this in the Biotech space often hint at major conviction in a pipeline or upcoming catalyst.

📌 Blend Labs $BLND

Director Brian Sheth scooped up $1.96 million in shares, continuing a recent string of insider buys in the software/app space....

📌 The most significant insider transaction comes from RA Capital Healthcare Fund, which made a massive $25.3 million purchase of Janux Therapeutics $JANX shares. 

Given RA Capital’s expertise in biotech, this is a notable show of confidence in the company’s future.

📌 CFO Jonathan Halkyard of MGM Resorts International $MGM filed a Form 4, revealing the purchase of 10,000 shares.

This is a move worth watching, as CFOs typically only buy when they see strong upside potential.

Here’s The Hot Corner, with data from March 7, 2025:

Click the table to enlarge it.

📌 Cathie Wood's ARK Investment Management increased its stakes in both PagerDuty $PD and Twist Bioscience $TWST, raising its position in PD from 9.98% to 10.35% and in TWST from 9.39% to 10.70%.

📌 And Rep. Josh Gottheimer of New Jersey reported buying $1 million to $5 million...

The most significant insider transaction on today’s list comes from one of the most prominent hedge fund managers on Wall Street.

📌 Point72 Asset Management, led by Steve Cohen, disclosed a 5.00% stake in Mobileye $MBLY through an initial 13G filing. 

Cohen’s track record makes this a move worth watching closely.

And when a firm of Point72’s caliber takes a sizable stake, it often signals strong conviction in the company.

Here’s The Hot Corner, with data from March 6, 2025:

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📌 Director Kevin O’Byrne made a bold move, purchasing 6,500 shares of International Flavors & Fragrances $IFF.

📌 Last but not least, two U.S. Congress members, John Boozman and Greg Landsman, each purchased $15,000 worth of Amazon $AMZN.

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A wave of insider transactions rose up from the energy sector yesterday.

📌 Permian Resources $PR, Diamondback Energy $FANG, Murphy Oil $MUR, and Park Hotels & Resorts $PK all saw fresh buys. 

But the most significant move came from PR, where director William J. Quinn put down $9.6 million.

📌 Meanwhile, over in trucking, Old Dominion Freight Line $ODFL EVP and CFO Adam N. Satterfield just stepped up with a Form 4 filing revealing a purchase of $432,260.

When a CFO puts their own money in, it’s worth paying attention—they know the numbers better than anyone.

Here’s The Hot Corner, with data from March 5, 2025:

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📌 Skeena Resources $SKE saw a 13G filing, with Helikon Investments increasing its stake from 7.81% to 10.67%. 

📌 Last but not least,...

We have more insider activity by top executives to talk about today.

📌 Kevin Tang just made a $12.7 million bet on Aurinia Pharmaceuticals $AUPH, filing a Form 4 that shows strong conviction in the biotech space. 

📌 Moderna $MRNA CEO Stéphane Bancel stepped up to buy 160,314 shares, equivalent to $5 million.

When company presidents and CEOs personally buy millions of dollars worth of stock, it speaks to their high conviction in a business's long-term prospects.

Here’s The Hot Corner, with data from March 4, 2025:

Click the table to enlarge it.

📌 Meanwhile, director Martin Tuchman backed FTAI Aviation $FTAI with a $283,000 buy.

📌 Carl Icahn’s $6.7 million buy in CVR Energy $CVI is another one to watch. 

Icahn is one of the most legendary activist investors of all time, so this...

The big story today is the sheer number of CEOs putting their own money on the line to buy the dip.

📌 Taboola $TBLA: Founder and CEO Adam Singolda bought another 123,771 shares.

📌 Wolverine World Wide $WWW: CEO Christopher Hufnagle stepped in with $295,400.

📌 Kratos Defense $KTOS: CEO Eric M. DeMarco filed a Form 4 revealing an acquisition of 9,500 shares.

📌 Talkspace $TALK: CEO Jon R. Cohen backs his own company with a $214,000 share purchase.

📌 Geron Corp $GERN: CEO John A. Scarlet reported a $206,213 purchase.

📌 Federal Signal $FSS: CEO Jennifer L. Sherman doubles down on industrial growth with a $102,900 buy.

📌 Selective Insurance $SIGI: CEO John J. Marchioni bought 1,180 shares for $102,000.

Here’s The Hot Corner, with data from March 3, 2025:

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Today's standout moves come from key executives making significant purchases in their own companies.

📌 Taboola $TBLA: Founder and CEO Adam Singolda invested $657,545, a strong statement from someone who built the company from the ground up. 

As the leader behind Taboola’s aggressive expansion in the digital advertising space, Singolda’s purchase suggests he sees upside ahead.

Here’s The Hot Corner, with data from February 28, 2025:

Click the table to enlarge it.

📌 CRISPR Therapeutics $CRSP: Director John Greene bought 7,000 shares. 

Greene is the former CFO of Bioverativ and played a key role in its $11.6 billion acquisition by Sanofi. His experience in high-stakes biotech M&A makes his buy worth noting.

📌 International Business Machines $IBM: Director David Farr, who previously served as the longtime CEO of Emerson...

The most significant insight from today’s list is the sheer number of CEOs buying their own stock.

📌 Akamai Technologies $AKAM: CEO Frank Thomson Leighton purchased $3 million worth of stock.

📌 Skyworks Solutions $SWKS: CEO and President Liam Griffin bought 10,000 shares.

📌 Arcus Biosciences $RCUS: CEO Terry J. Rosen stepped in with $402,000.

📌 Alliance Entertainment $AENT: The CEO and the Executive Chairman purchased $269,000.

When these top executives, who know the business better than anyone, start putting their own money on the line, it’s worth paying attention.

Here’s The Hot Corner, with data from February 27, 2025:

Click the table to enlarge it.

The CFOs of Selective Insurance Group $SIGI and Grocery Outlet Holding Corp $GO didn’t stay on the sidelines—they stepped up and put their...

The biggest insider move today came from Amkor Technology $AMKR, where  director Susan Kim filed a Form 4 revealing a massive $19 million buy.

When an executive puts this kind of money on the line, it’s worth noting—this isn’t just a routine purchase, it’s a strong statement of confidence in the company’s future.

Meanwhile, Pinetree Capital Ltd filed a Form 4 stepping in with a $2.45 million purchase of TruBridge $TBRG.

Here’s The Hot Corner, with data from February 26, 2025:

Click the table to enlarge it.

Over in oil and gas, Horizon Kinetics Asset Management LLC grabbed $350,000 worth of Texas Pacific Land Corp $TPL.

Lastly, Pertento Partners LLP took a 5% stake in Netgear $NTGR via a 13G filing, signaling a strategic position in communication equipment.

The most notable insider activity today came from MSCI Inc $MSCI, where the Chairman and CEO Henry Fernandez stepped in with a massive $4,913,698 buy.

The CFO and a director of Wolverine World Wide $WWW just filed two Form 4s, revealing a combined $1 million of insider purchases.

When the CFO steps in, it’s especially notable. After all, CFOs have the clearest insight into company financials, growth prospects, and internal forecasts. If they’re buying, it’s worth paying attention.

Here’s The Hot Corner, with data from February 25, 2025:

Click the table to enlarge it.

Millennium Management LLC disclosed a 5.10% stake in TransAlta Corp $TAC via a 13G filing.

And President and CEO James Grech bought 6,684 shares  of Peabody Energy $BTU for a total purchase price of $104,010.

The most significant insider activity on today’s list comes from Vimeo $VMEO, where the CEO, the CFO, the Chief Product & Technology Officer, and a Director stepped in with a collective $353,000 buy.

It's rare to see four executives step in at the same time, but when it happens in clusters, it signals a strong bet from the top leadership.

Then the President & CEO of Sonoco Products $SON made a bold move, purchasing $929,500 worth of stock. When the CEO makes a buy worth nearly $1 million, it’s worth paying attention.

Here’s The Hot Corner, with data from February 24, 2025:

Over in biotech, Decheng Capital Global Life Sciences Fund took an 18.30% stake in Aardvark Therapeutics $AARD.

And in software, the CEO of Mitek Systems $MITK just purchased $506,000 in stock.

The most significant insider activity on today’s list comes from Perceptive Advisors LLC, which just filed a Form 4 revealing a $20 million buy in Solid Biosciences $SLDB.

Here’s The Hot Corner, with data from February 21, 2025:

Click the table to enlarge it.

Bristol-Myers Squibb $BMY CEO Chris Boerner stepped up to purchase $110,000 worth of stock.

It’s always important to watch CEO buys, as a chief executive knows their company better than anyone.

And, finally, over in Washington, Rep. Rick Allen of Georgia reported a $15.000 to $50,000 purchase of AutoZone $AZO.

Senator Ashley Moody of Florida made even bigger moves, disclosing purchases of:

• $50,000 to $100,000 in Micron Technology $MU;

• $100,000 to $250,000 in Applied Materials $AMAT; and 

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