The largest insider buy on today's list is a Form 4 filing by Column Group, which reported the purchase of approximately $5.8 million in NGM Biopharmaceuticals $NGM.

Kevin Riley, the CEO and president of First Interstate BancSystem $FIBK, revealed a purchase of approximately 2,900 shares in the regional bank.

Director Meridee Moore of Rayonier $RYN reported a purchase of 12,000 shares of her company's stock in a Form 4 filing.

The CEOs of Solo Brands $DTC, American Assets Trust $AAT, OPKO Health $OPK, SoFi Technologies $SOFI, and Doximity $DOCS all filed Form 4s reporting small purchases of their own stocks.

The largest insider buy on today’s list comes in a Form 4 filing by ValueAct Capital.

It reveals an additional purchase of roughly $7.8 million in Insight Enterprises $NSIT, as ValueAct continues to increase its position in the tech stock.

Last week, George Soros filed a 13G revealing the purchase of 9,425,000 shares of the small-cap automotive semiconductor company indie Semiconductor $INDI.

This brings Soros Fund Management's total interest to 9.20%, making it the largest shareholder of the company.

Coinbase Global $COIN co-founder and director Fred Ehrsam is back on our list with another Form 4 filing for just under $2 million worth of shares.

He’s bought approximately $76 million worth of COIN in the last 10 days.

The largest insider buy on today’s list is a Form 4 filing by Jan Barta of Pale Fire Capital.

Barta revealed an additional purchase of roughly $5.3 million in Groupon $GRPN as he continues to increase his position in the stock.

Yesterday, Nelson Peltz’s Trian Fund Management filed a 13D revealing the purchase of an additional 16 million shares of the fast food chain, Wendy's $WEN.

This brings Trian’s total interest to just shy of 20%.

Buried in the footnotes of the filing, Trian also disclosed that it advised the board of directors it’s exploring a potential transaction.

The largest insider transaction on today’s list is a Form 4 filing by Winder Investment, which reported an additional $1.8 million purchase in Sensient Technologies $SXT.

The firm now owns more than 6 million shares, representing a 12.4% ownership interest in the specialty chemicals stock.

ValueAct Partners revealed an additional purchase of roughly $10 million in Insight Enterprises $NSIT, as the activist hedge fund continues to build a position in the enterprise cloud company.

The firm now owns more than 3.8 million shares for a total ownership interest of just under 11%.

The largest insider transaction on today's Hot List is a Form 4 filing by the co-founder and director of Coinbase Global $COIN, Fred Ehrsam, who reported an additional $25 million purchase of his own stock.

The largest insider transaction on today’s list is a Form 4 filing by the media holding company National Amusements, which reported a $20 million purchase of Paramount Global $PARA.

National Amusements now owns over 32 million shares of PARA, which represents an ownership stake of about 5%.

The most significant insider transaction on today’s Hot List is a Form 4 filing by Coinbase Global $COIN co-founder and director Fred Ehrsam.

His purchase is worth roughly $50 million.

There was also some insider activity reported in the crypto miner Marathon Digital Holdings $MARA, as a director purchased about $150,000 worth of stock.