Director Jason Rebrook Is Buying $AROC Shares

Every day, we sift through the filings to spot where the real conviction lies – cutting through the noise to highlight the most meaningful insider moves.

Here's what stood out today:

📌 Archrock $AROC – Director Jason C. Rebrook filed a Form 4 for $241,580.

A clean insider buy in gas compression. Another day of accumulation in midstream services.

📌 Vermilion Energy $VET – Millennium Management raised its 13G from 5.09% to 5.50%.

Multi-strategy heavyweight nudging higher in E&P,  now a more meaningful holder in this name as it’s tumbled for three straight years. 

Here’s The Hot Corner, with data from September 22, 2025:

Click the table to enlarge it.

📌 Mach Natural Resources $MNR – Kayne Anderson Capital Advisors filed an initial 13G at 11.41%.
 
Energy specialist showing up with double-digit ownership. This is serious conviction right out of the gate for a name that’s flirting with all-time lows. 

📌 Asset Entities $ASST – Graham Capital Management filed an initial 13G at 9.60%.
 
Macro/quant titan planting a sizable passive flag in a crypto treasury strategy name.