We have seen 145 open market insider transactions reported today, December 13, 2025. You can track them all on the Quiver Quantitative Insider Trading dashboard. Here are some of the largest open market insider stock purchases we have seen.
ALPHA METALLURGICAL RESOURCES, INC. ($AMR)
Courtis Kenneth S. bought 3,117 shares on 12/11 for an estimated $589,487.
Past $AMR Insider Trades
ALPHA METALLURGICAL RESOURCES, INC. insiders have traded $AMR stock on the open market 35 times in the past 6 months. Of those trades, 32 have been purchases and 3 have been sales.
Here’s a breakdown of recent trading of $AMR stock by insiders over the last 6 months:
- KENNETH S. COURTIS has made 32 purchases buying 159,000 shares for an estimated $25,072,630 and 0 sales.
- JASON E. WHITEHEAD (President & COO) has made 0 purchases and 2 sales selling 12,004 shares for an estimated $1,942,781.
- JOSHUA TODD MUNSEY (Chief Financial Officer) sold 2,135 shares for an estimated $335,195
AARDVARK THERAPEUTICS, INC. ($AARD)
Lee Tien-Li (Chief Executive Officer) bought 7,000 shares on 12/11 for an estimated $101,395.
Past $AARD Insider Trades
AARDVARK THERAPEUTICS, INC. insiders have traded $AARD stock on the open market 8 times in the past 6 months. Of those trades, 8 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $AARD stock by insiders over the last 6 months:
- TIEN-LI LEE (Chief Executive Officer) has made 6 purchases buying 37,000 shares for an estimated $358,672 and 0 sales.
- NELSON SUN (Chief Financial Officer) has made 2 purchases buying 9,000 shares for an estimated $91,639 and 0 sales.
AIRJOULE TECHNOLOGIES CORP. ($AIRJ)
Murphy Thomas Edward bought 17,500 shares on 12/10 for an estimated $50,113.
Past $AIRJ Insider Trades
AIRJOULE TECHNOLOGIES CORP. insiders have traded $AIRJ stock on the open market 9 times in the past 6 months. Of those trades, 9 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $AIRJ stock by insiders over the last 6 months:
- STUART D PORTER has made 3 purchases buying 342,645 shares for an estimated $999,949 and 0 sales.
- THOMAS EDWARD MURPHY has made 2 purchases buying 31,950 shares for an estimated $99,243 and 0 sales.
- MATTHEW B JORE (Chief Executive Officer) has made 3 purchases buying 10,500 shares for an estimated $29,769 and 0 sales.
- STEPHEN S. PANG (Chief Financial Officer) purchased 2,169 shares for an estimated $6,398
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
