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

The hedge fund revealed an additional purchase of roughly $4.2 million in Frontier Communications Parent $FYBR.

The largest insider buy on today’s list comes in a Form 4 filing by Cormorant Asset Management.

Cormorant revealed a purchase of roughly $25 million in Ambrx Biopharma $AMAM.

Today’s Hot List is a short one.

The CEO, the CFO, the general counsel and the chief people officer of WD-40 Company $WDFC all filed Form 4s reporting purchases of their own stock for a combined amount of $267,366.

The most significant insider transaction on today's list comes in a Form 4 filed by FedEx Corporation $FDX director Stephen E. Gorman.

Gorman reported a purchase of FDX stock worth $249,204.

The most significant insider transaction on today's list comes in a Form 4 filed by Christopher M. Hilger, director at Donaldson Company $DCI.

Hilger reported a purchase of DCI stock worth $199,953.

Cathie Wood’s ARK Investment Management is on our list today, as it filed a 13G for Roku Inc $ROKU.

The asset manager reported a small increase of 0.06% in its ownership.

Today's most significant insider transaction is a 13G filing by Jennison Associates LLC. 

The asset manager revealed an initial stake of 16.80% in Mobileye Global Inc $MBLY.

Today's most significant insider transaction is a Form 4 filing by Edgar Smith, director at Business First Bancshares $BFST. 

Smith  reported a purchase of BFST shares worth $400,219.

Today's most significant insider transaction is a Form 4 filing by the president of Planet Labs PBC $PL, who reported a purchase of $997,113.

Millennium Management filed a 13G for AMC Entertainment $APE revealing an original stake of 5.30%.

Today’s most significant insider transaction is a Form 4 filing by Global Infrastructure Investors III LLC.

The fund reported a purchase of $2.2 million in Clearway Energy $CWEN.

Today’s most significant insider transaction report is a Form 4 filing by Cormorant Asset Management.

The firm revealed a purchase of $12 million in Biomea Fusion $BMEA.

Today’s most significant insider transaction report is a Form 4 filing by Ares Management.

Ares revealed an additional purchase of roughly $2.9 million in Frontier Communications Parent $FYBR.